Sat 6 Jun 2026
Portland, Dorset
The Oner
The mother of all trail runs. 84 miles in 24 hours on the Dorset Coast Path.
Sign up for £210
Enter now- Sat 6 Jun 2026
Portland Masonic Hall, Portland
The Oner
12:00
Age 20 & over
£210
- 84 miles trail running
Event overview
The ONER is a challenging 85-mile ultramarathon along Dorset's Jurassic Coast Path, with a 24-hour time limit. It involves varied terrain, from coastal paths to beaches, and is supported by checkpoints roughly every 10km with refreshments and medical assistance. Participants must carry specific essential gear, including navigation tools and weather-appropriate clothing. The event provides transport, tracking, and an event kit for entrants.
Event details
- Average fitness
- Beginner-friendly
- Event village
Route
- Check points
- Cut off time
- First aid
- Food stations
- Hilly
- Marshals
- Navigation required
- Point to point
- Return transport
- Undulating
Location
- Accommodation
- Bar
- Coast
- Free parking
- Toilets
What's included
- Eco medal
- Event app
- GPS tracking
- T-shirt