EcoTrail Oslo 31 Finish Time Predictor
EcoTrail Oslo 31 race stats pre-loaded (31.3 km, 618 m D+). Enter a known race result to get an elevation-adjusted finish time estimate.
Full EcoTrail Oslo - Trail 31 km course data: aid stations, cutoffs, course profile
1. Your race
2. How should we estimate you?
Same as gain. Edit if different.
Hours, or h:mm
3. Your predicted finish
Choose a race or enter its distance and elevation, then add a past result or your index.
EcoTrail Oslo 31 course in numbers
- Climbing per km
- 20 m
- ITRA km-effort
- 37 (20K)
- Highest point
- 356 m
- Biggest climb
- +194 m over 2.8 km at 6.9% (from Start - Sørkedalen)
- Longest descent
- -119 m over 4.0 km at 2.6% (through Fossum)
- Track climbing above 3%
- 21%
- Winning time / cutoff
- 1h58 / 9h00 (4.6x the winner's time)
Section-by-section climbs, descents and grades are on the EcoTrail Oslo 31 course page.
Predict your EcoTrail Oslo 31 finish time from a reference race result, adjusted for the course's 31.3 km and roughly 618 m of elevation gain. The overall cutoff is 9h.
About EcoTrail Oslo - Trail 31 km
EcoTrail Oslo - Trail 31 km covers 31.3 km with around 618 m of elevation gain, starting in Sørkedalen, Oslo, Norway. The overall cutoff is 9 hours.
Crew access is allowed at Fossum (10.3 km) and Thaugland (22.5 km).
Checkpoint data approximate - verify against the current official race guide at ecotrailoslo.com before your race.
How the prediction works
Your result becomes a UTMB Index, mapped onto EcoTrail Oslo 31 by the calibrated model behind the ITRA / UTMB Index Estimator. Full methodology.
Build a training plan targeted at your EcoTrail Oslo 31 goal time
TrailMath uses these models to build periodized plans adjusted to your goals and terrain.
Build my plan