Interlaken, Switzerland

Jungfrau Marathon

Typically early September
Unknown

Course Profile

Difficulty
Unknown
Terrainmixed

Typical Weather

Registration

Entry Type
Typically HeldTypically early September
Official Website

When to start training

82 days until Jungfrau Marathon

12-week plan
Saturday, June 13, 2026
Not enough time for this plan
16-week plan
Saturday, May 16, 2026
Not enough time for this plan
20-week plan
Saturday, April 18, 2026
Not enough time for this plan

Plan start dates calculated from Jungfrau Marathon race day on Saturday, September 5, 2026.

Your 16-week training phases

From first base run to race day at Jungfrau Marathon

PhaseDatesWeeksFocus
baseMay 16, 2026 June 19, 20265Build aerobic capacity with easy mileage
buildJune 20, 2026 July 24, 20265Add tempo runs, hills, and mid-long runs
peakJuly 25, 2026 August 21, 20264Race-specific workouts at goal pace
taperAugust 22, 2026 September 4, 20262Reduce volume, sharpen, arrive fresh

Training for Jungfrau Marathon

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Train for Jungfrau Marathon

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