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Mont-Blanc Marathon 23K 2026 Calculate your finish.

23 km from Mont Blanc. Founded in 1979, the Mont Blanc Cross Country Race will celebrate its 47th edition in 2026.

Distance
23 km
Elevation
1,680 m+
Date
27 Jun 2026
Checkpoints
2
Cutoff
6:00
1 Runner data
2 Predictions

STEP 1 OF 2 · RUNNER PROFILE

Tell us how you have been training

Use your weekly averages from the last eight weeks. Approximate values are fine—you can edit them later.

Used only to label your prediction profile.
km / week
:
Minutes Seconds
m+ / week
1 - Beginner 5 - Very experienced

Selected course

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S F
Runner Checkpoint Route slope Downhill Uphill
Distance -
Elevation -
Estimated finish -
Race time 00:00:00
Current position 0 km · 0 m+
Race cutoff -

Live timeline

Predicted checkpoint passes

100%
Elevation profile unavailable

SPLITS

This table shows how long it takes to cover each kilometer.

KM Grade Gain Pace Total
Select a GPX course to calculate kilometer splits.

Preparing your prediction

Your runner profile is being analysed.