raceindex.org
Explore
Explore RaceIndex

Find your race. Make your plan.

Find a race

Choose your distance and destination.

Compare courses

See what changes from race to race.

Enter and prepare

Turn your choice into a race plan.

Race weekend

Plan travel, support and the finish.

Your next goal

Find a race that fits your experience.

Find a race
Compare courses
Enter and prepare
Race weekend
Your next goal
My Season Save races, keep preparation tasks and plan what comes next.
About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Marathon
  • 42.2 km
  • Interlaken
  • Event weekend starts
  • Past event

Jungfrau-Marathon Interlaken Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 30.0% versus flat · net elevation 1,761 m

View verified GPS mapOfficial event website ↗
Plan my trainingPlan my paceData current as of

Decision summary

Jungfrau-Marathon Interlaken Marathon at a glance

Route ascent
1,960 m

Lower than 7% of comparable mapped races

Cut-off average pace
8:18/km

5:50:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
63/100

Historical race-date favourability, not a forecast

Evidence depth
49 verified facts

Stored GPS route

Quick answers

What runners ask first

Jungfrau-Marathon Interlaken route map

raceindex.org has a GPS course file for Jungfrau-Marathon Interlaken, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Jungfrau-Marathon Interlaken?

The Jungfrau-Marathon Interlaken route has 1,960 m of ascent, 200 m of descent and an estimated 30.0% grade-adjusted pace penalty versus a flat route.

Where does the Jungfrau-Marathon Interlaken route go?

The Jungfrau-Marathon Interlaken route starts at Interlaken (Hoheweg), approximately 567 m above sea level and finishes at Eigergletscher at 2,320 m above sea level, at the foot of the Eiger north face. Underfoot, expect mixed: flat asphalt roads through the valley for the first ~10 km, then mountain roads and alpine nature/gravel paths on the climb to Eigergletscher. It passes Eigergletscher, Lake Brienz, Wilderswil, Zweilutschinen and Lauterbrunnen. first ~10 km flat alongside the turquoise Lake Brienz, then a sustained alpine ascent including steep switchbacks of ~450 m over 5 km up to Wengen, finishing high in the Alps in full view of the Eiger, Monch and Jungfrau.

What should runners know on race day for the Jungfrau-Marathon Interlaken?

Baggage transport provided from start to finish; showers and massage services available.

Race character

Scenery

  • Mountain
  • Forest
  • Lakeside
  • Countryside

Atmosphere

  • Scenic Tour
  • Destination
  • Wilderness

Terrain

  • Road
  • Trail
Elevation character
Mountainous
Technicality
Moderate
Net elevation
1,953 m

Entry, logistics and records

Records and field

Men's course record
2:49:01 (Jonathan Wyatt)
Women's course record
3:12:56 (Maude Mathys)
Field size
Registration opens mid-February and consistently sells out within hours; approximately 3,500-4,000 runners from around 35 nations take part each year

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
Checkpoint cut-offs: Wengen station (km 30.7) at 4h25 running time; Wengernalp/Wixi (km 38.5) at 5h50 running time
Sold out
Yes
Qualification status
No qualifying time required; entry is open/first Come until the field sells out

Race day logistics

Bag drop
Baggage transport provided from start to finish; showers and massage services available
Medal
All finishers who complete within the time allowed receive a medal at the finish
Finisher tee
All finishers within the time limit receive a finisher t-shirt

Access and course status

Start
Interlaken (Hoheweg), approximately 567 m above sea level
Finish
Eigergletscher at 2,320 m above sea level, at the foot of the Eiger north face
Nearest station
Interlaken Ost / Interlaken West (start); finish at Eigergletscher station, with return train transport to Interlaken on race day

Course facts

Course type
Point To Point
Surface
Mixed: flat asphalt roads through the valley for the first ~10 km, then mountain roads and alpine nature/gravel paths on the climb to Eigergletscher
Landmarks
Eigergletscher, Lake Brienz, Wilderswil, Zweilutschinen, Lauterbrunnen, Wengen, Wengernalp, Eiger north face, Monch, Jungfrau
Notable features
  • Mountain marathon with ~1,953 m of climbing
  • first ~10 km flat alongside the turquoise Lake Brienz, then a sustained alpine ascent including steep switchbacks of ~450 m over 5 km up to Wengen, finishing high in the Alps in full view of the Eiger, Monch and Jungfrau

How hilly is the Jungfrau-Marathon Interlaken Marathon?

48%17%29%
  • Steep descent 2%
  • Descent 5%
  • Flat 48%
  • Climb 17%
  • Steep climb 29%
Total ascent
1,960 m
Net elevation
+1,761 m
GAP factor
30.0%
Longest climb
2,270 m at 16.7%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 18°CTypical temperature
  • 7 kphTypical wind
  • 4 mmTypical rainfall
  • 63Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Jungfrau-Marathon Interlaken flat?

Its normalised GAP factor is 30.0% slower than a flat course, with about 1960 m of total ascent.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (3)

Read the full methodology →