Trail Running calendar near Grafham Water 2025-2026

We have found 363 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.

Choose 10 miles or 20 miles through rolling Northamptonshire countryside at the Nene Valley Trail Run on 13 June 2026, with fully marked routes, friendly marshals and well stocked aid stations. Camping available at Castle Farm Campsite.

Tackle scenic, hilly forest trails at Wendover Woods with half marathon, 10k and junior options on 14 June 2026. Enjoy multi lap routes, on site cafe and family friendly facilities plus medals and free photos.

The Hampshire Hoppit is a scenic trail event on Watership Down with marathon, half marathon and 10K options on 14 June 2026. Enjoy rolling chalk downland, sweeping county views, marshalled trails, feed stations and a finishers medal.

Take on the Trevor Milner Riber Run on 16 June 2026 in Lea Green near Matlock for a scenic yet testing 6.8 km course in the Peak District with 305 m of climb. On the day entries available and juniors can join free in the main race.

Discover Beyond London on 20 June 2026, a trail event finishing in Richmond upon Thames with 25 km and 55 km options along the Capital Ring footpath. Fully waymarked and supported, it offers feed stations, chip timing and a finisher medal.

Take on the Three Shires Way on 20 June 2026, a point to point trail through ancient woodlands and countryside across Buckinghamshire, Bedfordshire and Northamptonshire. Choose a 50 mile ultra or a marathon, finish at Grafham Water with aid..

Take on the Phoenix Centaur 100 Mile Ultra at Denbies Wine Estate, a flatish 1 mile off road loop with multiple distance options across the weekend. Enjoy central aid, chip timing and a Centaur medal and buckle for 100 mile finishers.

Run a marathon or half marathon at Denbies Wine Estate on 20 June 2026, tackling a scenic off road loop through the vineyards. Choose attended or virtual entry, enjoy chip timing and a collectible community medal while places remain limited..

Join the Phoenix Hydra 75 Mile Ultra at Denbies Wine Estate in Dorking for a scenic 1 mile off road loop with chip timing and a staffed aid station. Distances run from 12 hour to 100 miles and all entrants receive a free memento.

Run the Maldon Ultras on 20 and 21 June 2026 in Maldon, with 100 mile, 50 mile and 30 mile lapped races across fields, woodland and vineyards with estuary views. Small fields and scenic off road laps make for a friendly yet fierce ultra.

Run the Dunstable Downs Half Marathon, a scenic 21.2 km trail across chalk downland with over 450 m of climbing. Limited to 300 runners, the technical course features aid stations, a finishers medal and a National Trust backdrop.

UTMB Index

The Midsummer Munro will take place in Walton on the Hill on Sunday 21 June 2026. You can run 13 miles.

UTMB Index

Join the Martian Race at Horsell Common, running through the historic sandpits tied to H.G. Wells' The War of the Worlds. Distances range from a 2 km kids dash to a 21 km half marathon on scenic mixed terrain, run by volunteers for local ch..

Run a scenic multi terrain 10 km starting and finishing at Twisted Tree Brewery on the Tusmore Estate near Bicester. Enjoy a finisher medal and a beer or non alcoholic alternative, with a canicross option for dog lovers.

Take on the Colworth Marathon Challenge over a three day weekend in North Bedfordshire, where three multi terrain races add up to a full marathon. Enjoy free camping, family entertainment and children's races while choosing one, two or all..

Join Cock a doodle Dawdle on 27 June 2026 at Hyde Hall Farm for undulating trails across grassland and paths, with distances from 5k to ultra for all levels. Limited to 300 entries, friendly aid station and bespoke medals add to the charm.

Scenic trail runs around Carsington Water offer a half marathon or 10K on undulating reservoir paths with kilometre markers and cheering marshals. Chip timed results, free photos and a bespoke medal await at the lively event village.

Run scenic off road trails through the Thames Valley at the RunThrough Marlow Trail Run, with 5K, 10K and half marathon options. Enjoy chip timing, a themed medal, free race photos and a lively event village with food and drinks.

TrailFest at Salcey Forest on 28 June 2026 offers 10K, half, marathon and 50 km routes through scenic summer woodland trails. Light trail shoes are recommended. Enjoy well kept paths, a finisher's medal and drink.

Join the Snickerthon at Chasewater Country Park on 28 Jun 2026 for multi distance running on flat 5K laps around the reservoir. Entrants can choose 5K, 10K, half or marathon and enjoy aid stations, park facilities and a finisher medal.