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34,045EventsUnited States2026
SEP 2026
20FRI
4
SEP
Jungfrau-Minirun, -Minimarathon, -Harder Run Race und – Pararace, Interlaken 2026
Interlaken, CH
FRI
4
SEP
Harder Run
Interlaken, CH
SAT
5
SEP
Jungfrau-Marathon
Interlaken, CH
SAT
5
SEP
Burgdorfer Stadtlauf
Burgdorf, CH
SAT
5
SEP
Snowleader Trail du Besso
Ayer, CH
SAT
5
SEP
Trails du Besso
Anniviers, CH
SAT
5
SEP
Prealpes Trail du Mouret
Le Mouret, CH
SAT
5
SEP
Défi des Muverans
Ovronnaz, CH
SAT
5
SEP
Verbier Spartan Trifecta Weekend
Val de Bagnes, CH
SAT
5
SEP
Grand Chasseral Trail Series
Tramelan, CH
SAT
5
SEP
Course pédestre Villeret - Chasseral - Villeret (VCV)
Villeret, CH
SAT
5
SEP
Run for the Planet Regensberg
Regensberg, CH
SAT
5
SEP
Crono Vertical CDO
Cugnasco-Gerra, CH
SUN
6
SEP
Sarnersee Lauf
Sarnen, CH
SUN
6
SEP
Ovronnaz-Rambert
Saillon, CH
SUN
6
SEP
L'Altkirchoise 2026
Altkirch, FR
MON
7
SEP
CHA CHA CHA ULTRA
Bagnes, CH
MON
7
SEP
Altkirch trail urbain
Altkirch, FR
TUE
8
SEP
L^ StraBorgo di Notte
Borgomanero, IT
THU
10
SEP
Wildstrubel by Utmb
Crans-Montana, CH
Harder Run
Friday, September 4, 2026 · Interlaken, Switzerland
Distances
3.6km
4.3km
4.4km
5K
5K
Start location
About this race
The Harder Run is a 4.4km course with a 755m altitude gain. This intensive climb is a sub-race within the Jungfrau Marathon weekend, suitable for those seeking a tough ascent.