Bislett 24-Hour Indoor Challenge
A sold-out 24-hour ultra on Bislett Stadium's 546.5-meter indoor track, with 150 lottery places and distance accumulating through a full day and night.
Quick facts
- Timed format records total distance after 24 hours.
- Heated 546.5-meter indoor loop beneath Bislett Stadium's stands.
- Limited field allocated by lottery, with all public places taken.
- Official 100-mile split is recorded within the 24-hour competition.
What entry options are available for the 2026 Bislett 24-Hour Indoor Challenge?
Normal entry for the 2026 Bislett 24-Hour Indoor Challenge is unavailable, but limited entry options remain.
About the Bislett 24-Hour Indoor Challenge
Bislett turns one of Oslo's best-known stadiums into a compact indoor endurance race. A lottery allocates the limited field, and runners spend a full day on the track beneath the stands. The controlled setting removes wind and rain but concentrates every tactical choice into pace, nutrition, and lap management.
Course
The competition uses a flat 546.5-meter indoor loop at Bislett Stadium. Runners cover as many laps as possible in 24 hours, with official 100-mile splits recorded along the way. The short circuit makes support simple and passing frequent, and final distance varies with each runner's completed laps and remainder measurement.
Race-day weather
The race is held on a heated indoor track, so Oslo's cold and wet November conditions do not shape the running surface. Travel and recovery still happen in winter weather, but pacing inside is driven more by ventilation, crowding, and body heat.
Past Bislett 24-Hour Indoor Challenge dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, November 21, 2026 | Upcoming | — |
| 2025 | — | Completed | Open results |
Bislett 24-Hour Indoor Challenge FAQ
When is the Bislett 24-Hour Indoor Challenge?
The 2026 Bislett 24-Hour Indoor Challenge is on Saturday, November 21, 2026.
What entry options are available for the 2026 Bislett 24-Hour Indoor Challenge?
Normal entry for the 2026 Bislett 24-Hour Indoor Challenge is unavailable, but limited entry options remain. View the official registration details at secure.onreg.com.
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