• Kymin Winter Race

    Monmouth Prep School Monmouth, South Wales, United Kingdom

    A four mile trail race and the only event we’ve found that includes sausage and chips in the £8 entry fee! It may be a short distance, but it’s a fell race so prepare for some hills. Organised by the MonRoss Trailblazers, all the details are on the Fell Race website.

  • Linda Franks 5 Mile

    The Reddings Cheltenham, Gloucestershire, United Kingdom

    A 5-mile road race on quiet, residential roads. Currently sold out, but full details available at the Almost Athletes website.

  • Chepstow Running Festival

    Chepstow Race Course , United Kingdom

    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.

  • Lliswerry 8

    Newport Stadium Newport, South Wales, United Kingdom

    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.

  • The Boddington 10

    Gloucester Old Spot Cheltenham, Gloucestershire, United Kingdom

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

  • Longleat 10k

    Longleat Wiltshire, United Kingdom

    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.

  • Dry Run 2026

    Lost Horizon Bristol, United Kingdom

    A team event which involves self-navigating to different venues in Bristol to try low/non-alcoholic drinks. Head back to the start HQ for a mini-rave to celebrate. Visit the Ravers to Runners website for all the details.

  • Mayhill Massacre

    Leaf Creative Huntley, Gloucestershire, United Kingdom

    7-8 mile tough cross country run featuring muddy trails and tough climbs up Mayhill. The YPB Events website has all the details and entry.

  • Brian J Gough Reverse 10

    Penallta House Hengoed, South Wales, United Kingdom

    A 10-mile mixed terrain course through Parc Penallta, starting and finishing at Penallta House, Tredomen Park. The course is undulating with one uphill/downhill section. Visit the Pontypridd Roadents website for full details.

  • Mayhill Mayhem

    Leaf Creative Huntley, Gloucestershire, United Kingdom

    Run the same route at the Mayhill Massacre (the day before), except do the loop twice. Totalling 14-15 miles of muddy trails and tough climbs. Visit the YPB Events website for full details.

  • The Cardiff Winter Warmer

    Bute Park Cardiff, South Wales, United Kingdom

    5k, 10k & half marathon options on a flat course mainly run on paths. Full details available at the Fix Events website. The event supports the charity Shelter.

  • The Slaughterford 9

    Leafy Lane Playing Fields Corsham, Wiltshire, United Kingdom

    A 9-mile road and trail race through the Slaughterford Valley. There are hills! Full info at the Chippenham Harriers website.