Trail 5K runs in Suffolk
Find trail 5k runs in Suffolk in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 14 Dec
- £31-£33
Twas The Run Before Christmas | 4 Hour
Run as far as you can during the 4-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, head out for more and enjoy some festive fun!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs multi terrain running + 299 ft ascent
- Sun 11 Jan 2026
- £32-£38
WTF Where's The Finish? | 4 Hour
Run as far as you can during the 4-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running + 299 ft ascent
- 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 29 Mar 2026
- £32-£38
Zig Zag Challenge | 4 Hour
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running + 299 ft ascent
- Sun 12 Apr 2026
- £27-£29
Haughley Festival of Running | 5K
Join in at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling a variety of distances on the day within the 4 or 6-hour time limit.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 5 km trail running + 230 ft ascent
- Thu 23 Jul - Sat 1 Aug 2026
- £300-£350
Great Barrow Challenge | 10 events in 10 days
10 running events in 10 days in the beautiful Suffolk countryside. Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!
- Enter online
- Undulating
- Rural
- Age 18 & over
- 10 days trail running
- Sat 19 Sep 2026
- £27-£29
The Lucky Horseshoe | 5K
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 5 km trail running
- Sun 25 Jan 2026
High Lodge CaniCross Winter 5K Series - Race Three
- 5 km multi terrain running