Trail
Oslo Trail Challenge 21K
21 km
550.00 EUR
Oslo Trail Challenge
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Trail in Norway, Oslo
Distances
About
Langt og Lenge organizes the Oslo Trail Challenge, a long-distance trail running event in nature featuring routes of 200 km, 100 km, 55 km and 21 km with start and finish at Lillomarka arena in Oslo. The event offers marked and unmarked routes, digital maps and GPS tracks, with registration open from April to September.
Catering & aid stations
Not specified; competitors are responsible for their own nutrition and route support.
Pacers
Pacemakers are announced for select events; check the 'Race for runners' page on race day for target times per start wave and flag information.
Results
View official resultsTypical weather in Oslo
Monthly averages based on historical data (2000–present).
Jan-1°-6°
↑ 09:06
↓ 15:48
Feb0°-5°
↑ 07:58
↓ 17:06
Mar5°-3°
↑ 06:34
↓ 18:20
Apr11°2°
↑ 06:00
↓ 20:35
May16°7°
↑ 04:40
↓ 21:48
Jun20°11°
↑ 03:55
↓ 22:42
Jul22°14°
↑ 04:23
↓ 22:24
Aug20°13°
↑ 05:33
↓ 21:12
Sep16°10°
↑ 06:46
↓ 19:40
Oct10°5°
↑ 07:57
↓ 18:10
Nov5°1°
↑ 08:16
↓ 15:49
Dec0°-4°
↑ 09:14
↓ 15:12
What's included in entry
- Digital maps and GPS tracks
- Athlete responsibility for own nutrition and support
- Unmarked routes — navigate with map or GPS
Prices & signup
- Oslo Trail Challenge 21K550.00 EUR
FAQ
Is the course marked?
No, the routes are not marked. You are responsible to navigate so to follow the route, either using a GPS track or a paper map.
Where is the start and finish?
Start and finish for all distances is at Lillomarka arena in Oslo.
What are the distance options?
200 km, 100 km, 55 km and 21 km.
When can I register?
Registration is open from 1 April to 1 September 2026.
Is there a transfer fee?
Yes, transferring a spot to another participant costs 150 NOK.
Last updated: Jun 6, 2026, 12:29:00 AM
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