Jungfrau Marathon 2026: Complete Runner’s Guide for International Runners

There are marathons that are beautiful. There are marathons that are brutal. The Jungfrau Marathon is both, and it makes no apologies for either. The 33rd edition on 5 September 2026 runs 42.195 kilometres from the flat heart of Interlaken to Eigergletscher station at 2,320 metres, gaining 1,953 vertical metres along the way. The Eiger, Mönch and Jungfrau peaks — three of the most iconic faces in the entire Swiss Alps — are visible for most of that journey. No other marathon in the world offers that view across that kind of terrain.

What separates this race from every other mountain marathon is the range of what it puts you through in a single morning. The first ten kilometres run flat and east along the shore of Lake Brienz, lulling you. Then the terrain turns savage at Wilderswil, the course climbing through river valleys, past the Staubbach waterfall at Lauterbrunnen, up a punishing wall to the car-free village of Wengen, across open alpine pastures on the Wengernalp and finally along glacial moraine to the finish. A bagpipe player traditionally waits near the moraine to greet runners. Your medal is handed to you at the foot of the Eiger’s North Face.

The 2026 edition sold out within days of registration opening on 14 February 2026. That is not unusual for this race. If you are registered, this guide is your preparation base. If you missed it, the 34th Jungfrau-Marathon takes place on 10-11 September 2027 and registration opens on 14 February 2027 at 8:00 AM Swiss time. Set the reminder now. And if you are coming as a supporter, there is arguably no better way to spend a September weekend in Switzerland — the mountain railway system puts you within reach of four spectacular viewing points, none of which require a car.

This is not a race to attempt without serious hill work behind you. The 1,953 metres of gain is real, the altitude at the finish is real and early September weather on a Swiss mountain is predictably unpredictable. The inaugural 1993 edition was run in snow. What you get in return is proportional to the effort: a course so striking that runners who blow up on the Wengen wall tend to say they would come back and do it again. That says something.

Race at a Glance

What Makes the Jungfrau Marathon Worth Running?

A Course That Actually Earns the Superlatives

The phrase “most beautiful marathon in the world” gets applied to a lot of races. At Jungfrau it holds up. In a single morning, the course runs through five genuinely distinct landscapes: a lakeside flat, narrowing river valleys, a waterfall-backed village, an alpine ski resort and a high-altitude glacier approach. The race takes place entirely within the UNESCO World Heritage Jungfrau-Aletsch region. At Lauterbrunnen, the Staubbach waterfall drops 300 metres off the valley wall to your left — one of the most photographed spots in Switzerland. What comes after Lauterbrunnen is more dramatic still. The course narrows to gravel across the Wengernalp with the Jungfrau and Mönch peaks dead ahead. By the final kilometres, the Eiger’s North Face fills the sky directly above the finish.

The Eigergletscher Finish Line

Since the course was rerouted in 2022, the finish has been at Eigergletscher station, 2,320 metres above sea level and directly at the foot of the Eiger. You cross the timing mat on a red carpet. A volunteer hands you a medal and a long-sleeved finisher shirt. If you have enough left in you to look up, a vertical kilometre of the Eiger’s North Wall is staring back. The old finish at Kleine Scheidegg was already spectacular. The current one is something else. Finishing at 2,320 metres under one of the great mountain faces in the Alps is a singular experience in the entire world of marathon running.

The Atmosphere Is Built Into the Mountain

Urban marathon crowds line roads and hand out oranges. Jungfrau crowds bring alphorns, cowbells and flag throwers. The start on the Höheweg in Interlaken is a full-scale production. Through the villages, local Swiss families line the road. In the car-free village of Wengen at around km 27, the narrow streets amplify the noise into something close to a tunnel of sound. Near the moraine section at around km 40, a bagpipe player traditionally stations themselves by the trail. None of this is manufactured. It is a community that has built a race culture across 33 editions, and it shows.

Race Weekend Is Much More Than One Race

The event builds across the full weekend. On Friday, 4 September, the programme includes the Jungfrau-Harder Run Race (4.5 km to Harder Kulm with 750 m of climbing), the Jungfrau-Minimarathon (4.2195 km around the Höhematte), the Jungfrau-Minirun for children up to 16 and the Jungfrau-Pararace under the event’s “never walk alone” inclusion programme. All Friday participants also receive free Swiss public transport to Interlaken. A Runners Party runs at the Casino Kursaal on both Friday and Saturday evenings. The whole region turns into a celebration of alpine running culture.

The UNESCO World Heritage Trophy Connection

In 2026, the Jungfrau-Marathon is one of four events in the UNESCO World Heritage Trophy alongside the Engadin Skimarathon, the Xtratrail Lavaux and the Aletsch Half Marathon. A combined entry for all four races costs CHF 349 and includes a separate overall ranking with prizes. For runners who want to build a Swiss mountain racing season around a single theme, it is a compelling package.

What Your Entry Fee Covers

The entry fee looks steep until you see what is included. Registered runners get free Swiss public transport from any Swiss station to and from the event, all mountain railway return transport from Eigergletscher back to Interlaken on race day, DS Mobile Tracking via the race app, the finisher shirt and medal, a pasta ticket redeemable at 11 partner restaurants in Interlaken and across the Jungfrau region, warm showers at the finish, organised baggage transport to Grindelwald Terminal and a personal Finisher Clip video. For international runners already in Switzerland, the free train travel alone covers a meaningful portion of the entry cost.

The Course — Kilometre by Kilometre

Km 0-10: The Flat Deception — Interlaken to Bönigen

The mass start fires on the Höheweg at 8:30 AM, between the Grand Hotel Victoria-Jungfrau and the Höhematte park. From here you can already see the Jungfrau on a clear morning. The first ten kilometres are flat and there is always a temptation to go out fast. Resist it completely. The course loops around central Interlaken before heading east to Bönigen, where it runs briefly along the shore of Lake Brienz. The turquoise water is on your right. The mountains are rising ahead. Enjoy the flat. It does not last.

Km 10-20: The Climb Begins — Wilderswil to Lauterbrunnen

At Wilderswil the road tips upward and does not really stop. Through Zweilütschinen at km 15, where the valley narrows and the Lütschine river runs alongside you, the gradient is moderate but continuous. By Lauterbrunnen at km 20, you have climbed around 700 metres from the start. The valley walls on both sides rise 300 metres straight above. The Staubbach waterfall drops off the cliff face to your left — one of the tallest free-falling waterfalls in Europe. Take a moment to look at it. Drink something. The section that follows is where the race is decided.

Km 20-25: The Valley Floor Loop — Lauterbrunnen

The course loops south through the lower Lauterbrunnen valley before turning back through the village. This is your last flat ground before the finish, and it is not very long. Eat here if you can, because between km 20 and Eigergletscher there are still 1,043 vertical metres to go. The cowbells through Lauterbrunnen are loud, which helps. Use the crowd and the relative respite to reset your effort before the next section.

Km 25-30: The Wall — Lauterbrunnen to Wengen

This is the section that defines the race. Out of Lauterbrunnen the course immediately turns east and begins zigzagging up the mountainside toward Wengen. In five kilometres you climb 450 vertical metres. The average gradient runs around 9%. In January, ski racers descend these same slopes at 140 km/h in the Lauberhorn downhill. In September you are going the other direction and it takes considerably longer. Most runners who try to run every step of this section blow up before Wengen. Walk the steepest pitches without shame. The crowd in Wengen, the car-free alpine village at around km 27, is extraordinary and close. Narrow streets, cowbells, cheering. Use it.

Km 30-38.9: The Wengernalp Grind

After Wengen, the road narrows to gravel and the course heads southeast across the Wengernalp. The gradient eases from the Wengen wall to something around 4-6%, but you are at altitude now and deep into the race. The Jungfrau and Mönch are directly ahead. The Eiger is coming around the ridge to your right. The terrain is open and exposed — wind at this point can be a real factor. The views are the best on the course, which is saying something. Run what you can, walk what you need to.

Km 38.9-42.195: The Final Reckoning — Moraine to Eigergletscher

The last section crosses glacial moraine: loose, rocky and uneven underfoot, nothing like the gravel road of the previous eight kilometres. Just before the moraine begins, a bagpipe player traditionally stands at the side of the trail. It is a strange and memorable moment at the end of a very long morning. The Eiger fills the sky above you. The Eigergletscher station finish at 2,320 metres is marked with a red carpet and a timing arch. Volunteers hand out medals and finisher shirts. Most runners do not arrive here looking elegant. That is fine. It is one of the greatest finish lines in the sport.

Registration

For context and planning reference, the 2026 entry fee structure was as follows:

Race Weekend Schedule

Exact expo and bib pickup hours are communicated to registered runners by email in early August. Check the official Jungfrau-Marathon app for live timing and updates on race day.

Weather at the Jungfrau Marathon

Early September gives you better odds than later autumn but no guarantees. The temperature gap between Interlaken at the start and Eigergletscher at the finish can be 15°C or more on the same morning. Dress for a cool start, carry a light windproof or shell from Wengen onward, and check the mountain weather forecast — not just the Interlaken forecast — in the days before the race. The race app and official website carry course-specific weather updates from race week.

Prize Money and Elite Information

Past Results — Defending Champions

2025 Men’s Podium (32nd Edition, 6 September 2025)

2025 Women’s Podium (32nd Edition, 6 September 2025)

2024 Men’s Podium (31st Edition, 7 September 2024)

Full results archive for all editions from 2001 to 2025 at jungfrau-marathon.ch/en/results.html. 2024 women’s podium results were not independently verified for this guide.

Spectator Guide

The Jungfrau Marathon may be as good a spectator event as it is a race. The Swiss mountain railway system puts you at four world-class viewing points without a car, and each one is spectacular in its own right. Start early — trains fill quickly on race morning — and factor in time to move between locations.

Where to Stay

Book accommodation early. The race sells out in days and hotels across the Jungfrau region fill almost as fast. The official Interlaken Tourism hotel-race package is already gone for 2026. For independent bookings, the practical advice from runners who have been here before is this: do not stay only in Interlaken if you want to experience the mountains. Grindelwald, Wengen and Lauterbrunnen put you closer to the race atmosphere, the scenery and the daily rhythm of the Jungfrau region.

International Runners — Visa and Travel

Getting to Interlaken

Visa Requirements for Switzerland

Switzerland is part of the Schengen Area but is not a European Union member. Entry rules vary by passport nationality. The table below gives a general overview — always verify the current requirements with the Swiss Federal Department of Foreign Affairs or your local Swiss embassy or consulate before booking.

A Short History of the Jungfrau-Marathon

The race exists because of a train. In 1993, the director of the Jungfrau Railway commissioned Heinz Schild — the man behind the Grand Prix de Berne — to create a marathon marking the railway’s 100th anniversary. Schild built a course starting in Interlaken and following the mountain railways upward through the Bernese Oberland. That September, 1,500 runners set off in heavy snowfall. They kept going. The race was born, and it was partnered from its very first edition with Japan’s Mount Fuji race as a sister event.

Growth came quickly and never really stopped. In 2007, the Jungfrau-Marathon hosted the World Long Distance Mountain Running Challenge, attracting 4,200 runners from 50 countries. By 2019, the annual field had reached 3,716 finishers from 60 nations, roughly half Swiss and half international. The pandemic cancelled the 2020 edition, but the race returned at full capacity in 2021 and has stayed there. In 2022, for the 29th edition, the course was rerouted and the finish moved from Kleine Scheidegg to Eigergletscher station, adding approximately 260 metres of additional elevation and considerably raising the stakes at the end of the course. From 2023, the event became part of the UNESCO World Heritage Trophy series alongside three other events in protected Swiss landscapes.

Across 32 editions, the race has produced performances that stand as landmarks in mountain running. Jonathan Wyatt of New Zealand ran 2:49:01 in 2003 on the old course. That record has not been broken in 23 years. Maude Mathys of Switzerland ran 3:12:56 on the same course configuration in 2017. On the current and harder course, Morocco’s Elhousine Elazzaoui set the men’s mark at 3:00:50 in 2022 and Germany’s Laura Hottenrott lowered the women’s benchmark to 3:17:35 in 2025. The race regularly describes itself as the world’s largest mountain marathon. With 4,000 finishers from 60 countries and a waiting list that forms within hours of registration opening, the claim is hard to dispute.

Frequently Asked Questions

How hard is the Jungfrau Marathon?

The Jungfrau Marathon is classified as a mountain marathon and sits at the harder end of the mountain running spectrum. The total elevation gain of 1,953 metres over 42.195 kilometres is the defining challenge — roughly equivalent to climbing continuously from sea level to 2,000 metres without a significant descent at any point. The first 10 kilometres are flat, but from km 10 onward the course climbs almost continuously. The steepest section runs between Lauterbrunnen and Wengen, at km 25-30, where the gradient averages around 9% across five kilometres. The race ends at 2,320 metres above sea level. Runners should have previous marathon experience, a solid block of hill and mountain training behind them, and ideally some exposure to running above 1,500 metres before race day.

What are the course records for the Jungfrau Marathon?

There are two sets of records because the course was rerouted in 2022, moving the finish from Kleine Scheidegg to Eigergletscher and adding roughly 260 metres of additional climbing. On the current course (Eigergletscher finish), the men’s record is 3:00:50 set by Elhousine Elazzaoui of Morocco in 2022, and the women’s record is 3:17:35 set by Laura Hottenrott of Germany in 2025. The all-time records set on the old course are 2:49:01 by Jonathan Wyatt of New Zealand in 2003 (men) and 3:12:56 by Maude Mathys of Switzerland in 2017 (women). Both Wyatt’s and Mathys’ records remain unbeaten more than 20 years on, which tells you something about the quality of those performances.

Is the Jungfrau Marathon sold out for 2026?

Yes. All 4,000 places in the 2026 Jungfrau-Marathon are taken. Registration opened on 14 February 2026 and sold out within days. The official hotel-race package through Interlaken Tourism is also sold out. Entry can be transferred to another runner if you are unable to start. For 2027, registration for the 34th Jungfrau-Marathon opens on 14 February 2027 at 8:00 AM Swiss local time. Set a reminder well in advance — the race consistently fills within hours of opening.

How do spectators reach the Jungfrau Marathon finish line?

The finish at Eigergletscher (2,320 metres) is accessible only by mountain railway. There are no public roads. From Interlaken, the practical route is by train to Lauterbrunnen and then the Wengernalpbahn up to Wengen, with connections onward to the Eigergletscher area. A Supporter Ticket (approximately CHF 95) is available through the race organisation and includes discounted mountain railway travel plus a meal at the finish area. Supporters should dress warmly — temperatures at the finish can be 0-5°C with wind even on a warm September day in Interlaken. Book mountain railway tickets in advance, as the trains run at high capacity on race day.

What gear should I wear for the Jungfrau Marathon?

Dress for a 15°C temperature range across the course. At the start in Interlaken the conditions in early September are typically 10-14°C — road running kit is appropriate. By Wengen at 1,274 metres, the temperature drops and wind exposure increases. Most experienced runners carry a lightweight windproof shell in a race vest from Wengen onward and pull it on for the final 12 kilometres. Trail shoes with moderate grip are recommended, particularly for the moraine section in the final two to three kilometres. Running poles are not permitted on the course. Carry enough water or a hydration vest for segments between aid stations — the dry alpine air dehydrates faster than lower-altitude races.

When does Jungfrau Marathon 2027 registration open?

Registration for the 34th Jungfrau-Marathon on 10-11 September 2027 opens on 14 February 2027 at 8:00 AM local Swiss time. Based on how quickly 2026 sold out, the early bird rate — available for the first 24 hours only — is the best entry point. After the first 24 hours, the price increases. Have your payment details ready before the window opens and register immediately when it does. The race organisation will send reminders through their mailing list and social channels, but do not rely on those — set your own reminder and treat the registration opening as a hard appointment.