Trail runs in Suffolk
Find trail 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 11 Jan 2026
- £33-£38
WTF Where's The Finish?
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.
- Beginner-friendly
- Dogs allowed at venue
- Event village
- Park
- Age 18 & over
- Multi-terrain run 2
- 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!
- Beginner-friendly
- Enter online
- Undulating
- Traffic free
- Event village
- Rural
- Age 18 & over
- 6 hrs trail running
- Sun 22 Feb 2026
- £27-£38
Thetford Festival of Running
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over the distance of your choice with fantastic support each lap and a medal at the finish!
- Beginner-friendly
- Event village
- Age 18 & over
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race
- Sun 29 Mar 2026
- £33-£38
Zig Zag Challenge
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.
- Beginner-friendly
- Dogs allowed at venue
- Event village
- Park
- Age 18 & over
- Multi-terrain run 2
- Sun 12 Apr 2026
- £27-£38
Haughley Festival of Running
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.
- Beginner-friendly
- Dogs allowed at venue
- Event village
- Park
- Age 14 & over
- 5K run
- 10K run
- Half marathon 2
- Marathon
- Ultra run
- + 1 more race
- Sat 6 Jun 2026
- £80-£130
Suffolk Back Yard Ultra Festival
Push your limits at the highly competitive Summer Suffolk Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
- Families
- Beginner-friendly
- Event village
- Age 12 & over
- Fixed time runs 2
- Ultra run
- 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 12 Sep 2026
- £80-£120
Thetford Back Yard Ultra Festival
Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
- Families
- Beginner-friendly
- Event village
- Age 12 & over
- Fixed time runs 2
- Ultra run
- Sat 19 Sep 2026
- £27-£38
The Lucky Horseshoe
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!
- Beginner-friendly
- Event village
- Age 18 & over
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- Sun 25 Jan 2026
High Lodge CaniCross Winter 5K Series - Race Three
- 5 km multi terrain running
- Sun 1 Mar 2026
High Lodge Half Marathon - Spring
- 13.1 miles multi terrain running