Trail 5K runs in Suffolk

Find trail 5k runs in Suffolk in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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!

Sun 22 Feb
£27-£29

Brandon, Suffolk, UK

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!

5 km trail running

Enter online
Age 18 & over

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.

Sun 29 Mar
£33-£38

Brandon, Suffolk, UK

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.

4 hrs trail running

Chip timing
Enter online
Undulating
Traffic free
Age 18 & over

Run as far as you can during the 6-hour event at Suffolk Running Centre on a multi-terrain loop. Run, rest, then head out for more.

Fri 3 Apr
£33-£38

Bury Saint Edmunds, Suffolk, UK

Easter Challenge

Run as far as you can during the 6-hour event at Suffolk Running Centre on a multi-terrain loop. Run, rest, then head out for more.

6 hrs multi terrain running

Chip timing
Enter online
Undulating
Traffic free
Age 18 & over

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.

Sun 12 Apr
£27-£29

Stowmarket, Suffolk, UK

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.

5 km trail running + 230 ft ascent

Chip timing
Enter online
Undulating
Traffic free
Age 14 & over

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!

Thu 23 Jul - Sat 1 Aug
£300-£350

Bury Saint Edmunds, Suffolk, UK

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!

10 days trail running

Enter online
Undulating
Rural
Age 18 & over

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!

Sat 19 Sep
£27-£29

Bury Saint Edmunds, Suffolk, UK

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!