All Day

The Boddington 10

Gloucester Old Spot Cheltenham

A four-lap road race on quiet country roads. Visit the CLC Striders website for the details.

Lliswerry 8

Newport Stadium Newport

This 8 miler is described as the ‘flattest race on the planet’. It’s run on country roads around villages outside Newport in South Wales. Find out more at the Lliswerry Runners website. And it’s an extra special even in 2026 as it’s the 40th edition of the race.

Chepstow Running Festival

Chepstow Race Course

You’ll find 5km, 10km, Half Marathon options at this well organised event, running laps around the racecourse (which isn’t as flat as you might expect). Find out more at the Run Through website.

Longleat 10k

Longleat Wiltshire

Traffic-free race with a 2-mile fun run at the same time. Definitely not flat. Organised by 2:09 Events, you can sign up at the official website. Read our race review.