calendar_today 11 Sep, 2026 – 12 Sep, 2026
directions_run Running
language Official Website
sell €26.88 – €98.57
Sep 11, 2026
Distance — Backyard Ultra Duo/Team
Type — Running
51 days remaining
€98.57
Sep 11, 2026
Distance — Backyard Ultra Single
Type — Running
51 days remaining
€62.73
Sep 12, 2026
Distance — 12K
Type — Running
51 days remaining
€35.84
Sep 12, 2026
Distance — 21K
Type — Running
51 days remaining
€44.80
Sep 12, 2026
Distance — 6K
Type — Running
51 days remaining
€26.88
These values represent the 3-year monthly averages for September in Gjerdrum.
Learn more about the host city, Gjerdrum.
Gjerdrum is a municipality in Akershus county, Norway. It is part of the traditional region of Romerike.
Read more launchRead what other athletes have to say about their experience at the TrailMonKey 2026.
Be the first to share your experience with the community!
Explore other exciting events happening in this same region.
Hand-picked events we think you’ll love.
Sep 09, 2026
The oldest long distance race in Europe, the second oldest in the World. Be part of history and race this Classic Long …
Read more
Sep 06, 2026
Welcome to the Glencoe Marathon Gathering 2026, featuring the full 26.2 mile Glencoe Marathon, and the Glencoe Half Mar…
Read more
Sep 10, 2026
The Anglian Water WaterAid Cycle Ride is back! Join us in supporting WaterAid’s vision of making clean water, decent to…
Read more
Sep 03, 2026
The Anglian Water WaterAid Cycle Ride is back! Join us in supporting WaterAid’s vision of making clean water, decent to…
Read more
