Trail Running calendar near Oxford 2025-2026

The Phoenix Denbies Marathon & Half Marathon, held at Denbies Wine Estate in Dorking, Surrey, offers a unique off-road trail running experience on a flat-ish 1-mile loop with slight inclines. Scheduled for June 2026, the event features flex..

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

Run the Martian Race at Horsell Common on 21 June 2026 and follow routes through the sandpits immortalised in H.G. Wells The War of the Worlds. Volunteer organised and charity focused, with distances for all ages.

Take on the Dunstable Downs Half Marathon, a scenic 21.2 km trail with steep climbs and panoramic countryside views. Limited to 300 runners, this rugged UTMB World Series qualifier promises a memorable off road challenge.

Tackle a full marathon over three days at the Colworth Marathon Challenge on the scenic Colworth Estate. Choose one, two or all three races and enjoy free camping, family entertainment and children's races for a festival feel.

Join the Summer Run the Seasons at Cowdray Estate on 26 June 2026 for scenic 5km, 10km and dog friendly canicross routes past the polo lawns, ruins and the South Downs. Celebrate at the finish with an interlocking medal, free photos and a B..

Take on farm trail laps at Hyde Hall Farm with distances from 5k to ultra, including a Heavy Half option. On site parking and a bespoke finisher medal make for a friendly, flexible event.

Take on multi lap 5K loops at the Snickerthon in scenic Chasewater Country Park with distances from 5K to full marathon. Enjoy a relatively flat course, finisher medal and maybe a Snickers plus refreshment stops.

Choose from 10K, half marathon, marathon or 50 km on scenic, well marked trails through Salcey Forest. A friendly community day with generous time limits, forest underfoot and a medal plus drink for every finisher.

Enjoy scenic Thames Valley trails at Marlow Rugby Club with 5K, 10K and Half Marathon options on well marked off road courses. Chip timing, free race photos and a themed finisher medal make this a fun, sustainable event for all abilities.

Join a guided 10km trail run around the Devil's Punchbowl in Hindhead, enjoying rolling hills and a scenic pause with great views. This friendly group paced run is led by an experienced guide and runs at sunset or by headtorch in winter.

Take on the Full Essex Way Ultra, an 82 mile journey from Epping tube station to Harwich lighthouse across varied trails, tracks and roads. With just 65 places and a 24 hour cut off, this iconic challenge supports Essex Wildlife Trust.

Event overview The SATURN Midweek Chasing Numbers event takes place on Friday, 3 July 2026 at Wraysbury Skiff & Punting Club, Egham (TW20 0AE). It is a 7 hour Time Challenge with flexible start times available throughout the day. The ev..

Run a scenic Half Marathon from Wolverhampton to Brindley Place along canal towpaths and through a 360 m tunnel on a flat route. Chip timed waves, early entrants may get personalised bibs, finishers receive a medal, T shirt and goody bag.

Follow the Serpent Trail from Petersfield through the South Downs, heath and woodland with distances from 10 km to 100 km. Camping, coach transfer, a kids race, food and a licensed bar make it a weekend festival for runners and walkers.

Join the PIGUM on July 4, 2026 in Abergavenny for a 30 mile mountain trail ultra with about 5,000 feet of climbing, taking in Sugar Loaf and ridge country. Expect fully stocked checkpoints, friendly crew support and no time limit.

Join the Bishop's Stortford Mitre on 5 July 2026 for community 10k, 5k and a fun 1K kids race on traffic free country lanes at Jobbers Wood. Support the Mitre Fund and enjoy chip timing, a finisher T shirt or a tree planted in your name.

Cannock Chase Forest HM & 10k is a summer running event set in Cannock Chase Forest, Staffordshire, offering a Half Marathon (Half Forest) and a 10k on forest trails that are described as hilly. The course provides a challenging yet accessi..

On 5 July 2026 the Chiltern Ridge Half Marathon offers a scenic off road challenge along The Ridgeway near Wendover, with rolling climbs and woodland views. Entries are limited to 350 runners so book early for this memorable trail experienc..

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both..