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Trail Running Calendar near Oslo 2026-2027

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Explore the top trail runs near Oslo for 2026-2027! We've gathered 48 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
Aug
6
Th

Oslos Bratteste Prøveløp

Trail Run
Oslos Bratteste Prøveløp
Aug
9
Su

Grønliåsen rundt

Trail Run 5 km 10 km
Grønliåsen rundt
Aug
14-23
Fr - Su

Korketrekker'n

Trail Run 4 km
Aug-Sep
20-10
Th

Østmarka orienteringskarusell

Trail Run
Aug
22
Sa

Lier Backyard Ultra

Backyard Ultra 4 km 7 km
Aug
22
Sa

Drøbakløpet

Trail Run 5 km 10 km
Drøbakløpet
Aug
22
Sa

Østmarka Trail Challenge

Trail Run 37 km
Aug
22
Sa

Janteloppet

Trail Run 7 km
Aug
22
Sa

Y3t Backyard

Backyard Ultra 3 km 7 km
Aug
25
Tu

Semsvannsrunden

Trail Run 5 km
Aug
25
Tu

Sørkedalsløpet

Trail Run 3 km 11 km
Sørkedalsløpet
Aug
25
Tu

Gjerdrumsløpet

Trail Run 4 km 7 km 11 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
Aug
29
Sa

Backyard Ultra RASK

Backyard Ultra 80 km
Aug
29
Sa

Backyard Ås

Backyard Ultra 7 km
September 2026
Sep
5
Sa

Toughest — Oslo

Obstacle Run 4 km 8 km 16 km
Sep
5
Sa

Nordmarkstravern

Trail Run 6 km 8 km 15 km 30 km
Sep
11
Fr

TrailMonKey

Trail Run 6 km 7 km 12 km Half Marathon
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