Oslo Trail Challenge 100 km trail running route — Norway · Oslo

Norway · Oslo

Oslo Trail Challenge

Distance

100 km

Date

September 26, 2026

Entry fee

1,250 NOK

€ / km

€1.11

200K city-edge epic: forests, lakes, and endless night miles close to Oslo’s urban comforts.

Elevation and Terrain

Total Meters

3831m

D+/KM

38.31m/km

For context, the Tor des Géants 330 loop has 73 D+/km.

Avg Uphill Gradient

9.1%

Avg Downhill Gradient

-8.9%

Uphill gradient distribution

2–5%
10.7 km
5–10%
13.1 km
10–15%
7.7 km
15–20%
3.4 km
20%+
2.1 km

Route Profile

Analysed 2026-05-02

Terrain breakdown

37%Uphill23%Flat41%Downhill

Terrain

Urban

Climbs

Oslo Trail Challenge climbs and descents profile

Top climbs

1

4.3 km · 241 m gain

starts km 88 · avg 5.6% · max 22.7%

2

5.4 km · 193 m gain

starts km 30 · avg 3.6% · max 26.7%

3

3.7 km · 178 m gain

starts km 5 · avg 4.8% · max 31.6%

Top descents

1

7.6 km · 310 m drop

starts km 81 · avg -4.1% · max -17.2%

2

4.9 km · 258 m drop

starts km 63 · avg -5.3% · max -29.0%

3

5.8 km · 230 m drop

starts km 33 · avg -4.0% · max -39.2%

Race files

Logistics

Nearest airport

Oslo (OSL)

Notes

Start: ~30–45 min / Public transport: Very good / Accommodation: Easy (Oslo)

Last checked: February 16, 2026Official Website →