Trail Running calendar near Chiltern Hills 2025-2026

Take on 18 miles of scenic Suffolk countryside from Nowton Park to Clare Castle Country Park, running or walking at your own pace. With a friendly atmosphere, medal for all finishers and support for St Nicholas Hospice, this is a challenge..

Run from Richmond to Brighton on a scenic 100 km route through Surrey and the North and South Downs. Choose single day or two day options with Trailblazerz and Ultra March categories plus staffed aid stations and midway camping.

Explore Grimsthorpe Castle Estate on a 10 mile loop through ancient woodland, limestone tracks and by the lake, with day and night 10 mile races plus 40, 70 and 100 mile ultras. Solo or team relay entries, medals for all and onsite camping.

The Fox invites trail runners to Surrey on 23 May 2026 with 20K, 41K and 62K routes starting from local villages. Courses are well marked with regular aid stations and a shared finish in Godalming.

Run 145 miles non stop along the Grand Union Canal from Birmingham to Little Venice on a fully waymarked towpath. Limited to 100 starters with supported or unsupported entries and a 45 hour cutoff, it is a classic long distance challenge.

Tackle a scenic 26.2 mile marathon across three laps of Richmond Park, with rolling hills and beautiful parkland views. Chip timing, aid stations, medical cover and a lively finish make this a rewarding London park marathon for seasoned and..

Discover Ealing on foot at the Queen of the Suburbs Ultra, a single borough trail event offering a scenic 50k ultra and a friendly 25k loop. Wind through parks, canal paths and Horsenden Hill for leafy views across west London.

Join the Rebellion 10km on Monday 25 May at Riverwoods, Marlow, for a scenic trail along the Thames including a crossing of Marlow Bridge. Finishers receive a medal, a Rebellion beer or non alcoholic alternative and a branded pint cup.

Run the Beat the Sunset 50 km ultra in Maidenhead, a scenic single lap mostly off road along the Thames Path and Jubilee River. Expect checkpoints, live timing and a finisher medal as you chase the sunset.

Run the full 86 mile Ridgeway from Ivinghoe Beacon to Avebury Stones across sweeping chalk downland with a 28 hour time limit. Aid stations and navigation support make this a classic long distance trail challenge.

Enjoy a supported 50 km from Rochester to Tonbridge along the scenic Medway Valley Walk on mostly flat towpaths and trails. Aid stations, GPS tracking and the Tonbridge athletics track finish add a polished riverside vibe.

Take on the Castle Trails 30 km on 30 May 2026 and follow the River Medway from East Farleigh to Tonbridge in a scenic point to point trail run. Riverside towpaths, country park views and a finishing lap on the Tonbridge athletics track mak..

Run 60 km along the ancient Ridgeway from Ivinghoe Beacon to near Wallingford across chalk ridgelines and rolling downs. With 1000 m ascent, a 10 hour limit and UTMB World Series status, this scenic ultramarathon tests endurance and pace.

Run through Southampton Common on 31 May 2026 amid woodland, lakes and wetlands. Choose half, 10K, 5K or junior distances and enjoy a lively event village with food, freebies and a sustainable focus.

Explore the Surrey Hills on a guided 13 mile trail run from Guildford, passing St Martha's Hill, Shere and the North Downs Way. Run as a friendly group at about 10 minutes per mile with gear trials and evening torch runs.

Tackle the Griffin Challenge, a six hour out and back run along the Griffin Trail from Braybrooke Taproom in Market Harborough. Choose your distance on a mostly flat 3.3 mile loop, then unwind with food and drinks at the Taproom.

Event overview The event takes place on Friday, 05 June 2026 as a 7 hour timed challenge. Participants may run any distance they choose within the time limit. The minimum distance to be an official finisher is 3 km. The normal lap length is..

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Join Blended Trails Backyard Ultra at Chilton Manor Farm for a test of endurance: run a one hour loop each hour until only one runner completes a lap. Enjoy private trails, camping, great fuel stations and a winner takes all prize.

Run through two lit railway tunnels beneath Bath on routes from short fun runs to ultra distances. Starts and finishes at family friendly Brickfields Park and each entry supports Sustrans, making it a memorable community day out.