Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.

- Sat 14 Feb 2026
- £33-£38
- Sat 14 Feb 2026
- £33-£38
Valentines Challenge
In 2026 Valentines Day falls on a Saturday, so why not come along and earn some Valentine-themed bling! Run as far as you can during six hours, whether 5K or 50K, you'll love it!
- Newcomers
- Enter online
- Undulating
- Traffic free
- Event village
- Rural
- Age 18 & over
- 6 hrs trail running + 558 ft ascent

- Sun 22 Feb 2026
- £27-£29
- Sun 22 Feb 2026
- £27-£29
Thetford Festival of Running | 5K
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over 5K distance with fantastic support, community feel, and a medal at the finish!
- Enter online
- Age 18 & over
- 5 km trail running

- Sun 22 Feb 2026
- £27-£29
- Sun 22 Feb 2026
- £27-£29
Thetford Festival of Running | 10K
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over 10K distance with fantastic support each lap and a medal at the finish!
- Enter online
- Age 18 & over
- 10 km trail running

- Sun 22 Feb 2026
- £34-£36
- Sun 22 Feb 2026
- £34-£36
Thetford Festival of Running | 15K
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over 15K with fantastic support each lap and a medal at the finish!
- Enter online
- Undulating
- Age 18 & over
- 15 km trail running

- Sun 22 Feb 2026
- £29-£36
- Sun 22 Feb 2026
- £29-£36
Thetford Festival of Running | Half Marathon
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over half marathon distance with fantastic support each lap and a medal at the finish!
- Enter online
- Undulating
- Age 18 & over
- 13.1 miles trail running

- Sun 22 Feb 2026
- £33-£38
- Sun 22 Feb 2026
- £33-£38
Thetford Festival of Running | Heavy Half Marathon
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over half marathon+ distance with fantastic support each lap and a medal at the finish!
- Enter online
- Undulating
- Age 18 & over
- 13.1 miles trail running

- Sun 22 Feb 2026
- £33-£38
- Sun 22 Feb 2026
- £33-£38
Thetford Festival of Running | Full Marathon
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over marathon distance with fantastic support each lap and a medal at the finish!
- Enter online
- Undulating
- Age 18 & over
- 26.2 miles trail running

- Sun 22 Feb 2026
- £33-£38
- Sun 22 Feb 2026
- £33-£38
Thetford Festival of Running | Ultra Marathon
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest in a looped-route ultra with fantastic support each lap and a medal at the finish!
- Enter online
- Undulating
- Age 18 & over
- 6 hrs trail running