Marathons in Suffolk
Find marathons 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 17 Jan 2026
- £33-£35
Windmill Way Wander | Full Marathon
It's New Year! So what better way to start the year than with an event? Come to the Suffolk Running Centre and follow the Windmill Way route over marathon distance.
- Chip timing
- Enter online
- Hilly
- Traffic free
- Age 18 & over
- 26.2 miles road running + 1528 ft ascent
- 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 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
- £33-£38
Haughley Festival of Running | Full Marathon
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
- 26.2 miles trail running
- Sun 26 Apr 2026
- £33-£38
The Other Run | Full Marathon
On the same day as the famous marathon in London, why not come along to The "Other" Run? Complete a marathon and earn a Zig Zag medal too. It can count as your Virtual London Marathon miles too!
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 26.2 miles road running + 1247 ft ascent
- Sun 10 May 2026
- £33-£38
Zig Zag Marathon and Half | Full Marathon
Ideal for runners who want to get a marathon 'Good For Age' place as it is over an officially measured course on the Kirtling Road Route which is mildly undulating and very scenic.
- Enter online
- Undulating
- PB
- Age 18 & over
- 26.2 miles road running + 1247 ft ascent
- Sun 7 Jun 2026
- £33-£38
Valley of the Owls Run | Full Marathon
This route takes in the Valley of the Owls in Suffolk, with some of the oldest roads in England and very beautiful countryside.
- Enter online
- Age 18 & over
- 26.2 miles road running + 1450 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 22 Aug 2026
- £33-£38
The Lucky Clover | Full Marathon
Your race, your pace, your distance! Marathon runners will explore The Clover Route which is on road and receive a special bespoke medal too.
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 26.2 miles road running + 1266 ft ascent
- Sun 6 Sep 2026
- £33-£38
FEAR (Forget Everything And Run) | Full Marathon
Run a full marathon 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
- 26.2 miles multi terrain running
- Sat 19 Sep 2026
- £33-£38
The Lucky Horseshoe | Full Marathon
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
- 26.2 miles trail running + 1260 ft ascent