TRAILBoston qualifier
Jungfrau-Marathon
Interlaken, Switzerland34th editionMountainCompetitive42.2kmMarathon
In 325 days
At a glance
Jungfrau-Marathon 2027 takes place on 10 September 2027 – 11 September 2027 in Interlaken, Switzerland. Distances: 42.195 km. Start: Interlaken.
- Date
- Friday, 10 September 2027 – Saturday, 11 September 2027
- Location
- Interlaken, Switzerland
- Start
- Interlaken
- Distances
- Marathon · 42.195 km · Competitive
- Registration
- Registration opens 14 February 2027
- Organiser
- OK Jungfrau-Marathon ↗
- Official website
- jungfrau-marathon.ch ↗
- Edition
- 34th edition
- Series
- Boston qualifier
Last updated: 19 October 2026
The race
The Jungfrau-Marathon in Interlaken, billed as "the most beautiful marathon in the world", reaches its 34th edition on 10 and 11 September 2027.
The mountain marathon is run on Saturday 11 September, starting in Interlaken and heading into the mountains of the Jungfrau region; Friday 10 September hosts the Friday races. Online registration opens on 14 February 2027 at 8:00 local time.
Where it is
Interlaken · SwitzerlandNearby airportsMXPMilano Malpensa · 135 km as the crow fliesTRNTorino · 166 km as the crow flies
© OpenStreetMap · OpenFreeMapRace-day weather
10 SEPT 2027 · average of the last 10 years (2017–2026)Rain is common
Temperature on race day
15°22°
Low / high15° / 22°
Rain4.5 mmRain on 46% of days
Wind7 km/h
Sunrise06:59