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Trail Running Calendar Oslo 2026-2027

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Monthly updates for Oslo

Get new running races (and updates) in your inbox every month.

Explore the best trail runs in Oslo for 2026-2027! Our updated list features 16 exciting races across the region. Find your next race in Oslo below and join the running community at these great events!

June 2026
Jun
4
Th

Torshov Trail Run

Trail Run 6 km 11 km
Jun
19-28
Fr - Su

Maridalsvannet Rundt

Trail Run 14 km
Jun
20
Sa

Nordmarka skogsmaraton

Trail Run Half Marathon Marathon
July 2026
Jul-Aug
31-9
Fr - Su

Østmarka halvmaraton

Trail Run Half Marathon
August 2026
Aug
14-23
Fr - Su

Korketrekker'n

Trail Run 4 km
Aug
22
Sa

Østmarka Trail Challenge

Trail Run 37 km
Aug
26
We

KM terrengløp Oslo

Trail Run 4 km 6 km 8 km
Aug
27
Th

Mærraskallen

Trail Run 4 km 15 km
Aug
29
Sa

Kjelsåsløpet

Trail Run 8 km
September 2026
Sep
19
Sa

Oslos Bratteste

Trail Run 3 km
Oslos Bratteste
October 2026
Oct
10
Sa

Ivar Formos minneløp

Trail Run 3 km 10 km 17 km
Ivar Formos minneløp
Oct
11
Su

Rosa sløyfe-løpet Oslo

Urban Trail 5 km
November 2026
Nov
5
Th

NightRun - Oslo

Trail Run 9 km
NightRun - Oslo
Nov
5
Th

NightRun - Frydenberg

Trail Run
NightRun - Frydenberg
May 2027
May
1
Sa

Råskinnet

Trail Run 3 km 9 km
July 2027
Jul
1-10
Th - Sa

Oslo Bergen Trail

Trail Run 37 km 125 km 300 km 500 km
Oslo Bergen Trail
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