Trail Half marathons in Suffolk in Winter
Find trail half marathons in Suffolk in Winter - 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-£36
Twas The Run Before Christmas
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, head out for more and enjoy some festive fun!
- Newcomers
- Dogs allowed
- Fancy dress
- Event village
- Park
- Age 18 & over
- Multi-terrain run 2

- Sat 20 Dec
- £27-£32
Christmas Canter | Half Marathon
It's December, so what better way to finish the year than with a Christmas event? Follow the Windmill Way route over half marathon distance.
- Chip timing
- Enter online
- Hilly
- Age 18 & over
- 13.1 miles road running + 764 ft ascent

- Sun 11 Jan 2026
- £32-£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.
- Newcomers
- Dogs allowed
- Event village
- Park
- Age 18 & over
- Multi-terrain run 2

- 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!
- Newcomers
- Event village
- Age 18 & over
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race