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34,045EventsUnited States2026
SEP 2026
12SUN
27
SEP
Oslo Trail Challenge
Veståsen skole, NO
SUN
27
SEP
Dølisjøen Rundt
Sør-Odal, NO
SUN
27
SEP
Lierløpet 10 km
Lier Stasjon, NO
SUN
27
SEP
Lierløpet 11
Lier, NO
SUN
27
SEP
Søndagsløpet, Sarpsborg - Gul løype
Sarpsborg, NO
SUN
27
SEP
Borredalsløpet
Fredrikstad, NO
SUN
27
SEP
Skoppums Råeste
Horten, NO
SUN
27
SEP
Borredalsløpet - Borredalen
Fredrikstad, NO
SUN
27
SEP
RE-MILA
Tønsberg, NO
SUN
27
SEP
RE-MILA 2026
Revetal, NO
TUE
29
SEP
Borredalen Rundt
Fredrikstad, NO
WED
30
SEP
GIF Joggen
Gressvik, NO
OCT 2026
8Oslo Trail Challenge
Sunday, September 27, 2026 · Veståsen skole, Norway
Distances
55km
100km
200km
Start location
About this race
The Oslo Trail Challenge is an ultra race through Nordmarka, Lillomarka, and Romeriksåsen. The courses are unmarked, requiring participants to navigate using a GPS track or paper map. This event demands respect for nature and its challenging terrain.