Trail Running calendar near Chalfont Saint Peter 2026-2027

We have found 438 Trailruns within 80 miles of Chalfont Saint Peter. See below where and when you can find the races.

A lapped riverside race from Wraysbury Skiff & Punting Club along the Thames Path near Runnymede. Offers 10 km, half marathon and marathon distances with marked turnarounds, marshals, a bespoke finisher medal and prizes for top three men an..

Enjoy a scenic marathon through North Essex rolling hills, woods and farmland on low traffic roads this May. Celebrate the race's 30th year with just 500 places available for an intimate, well organised running experience.

Shires and Spires at Naseby Village Hall on 10 May 2026 offers five circular distances from 10K to a 35 mile ultra across scenic trails and country lanes. GPS files, checkpoints and live tracking provide support for casual runners and ultra..

Join Zig Zag Marathon and Half Marathon in Bury St Edmunds on 10 May 2026 for scenic, mildly undulating on road routes through Suffolk countryside. Small field, aid stations and included parking make for a friendly, focused race day.

Run the Oliver Fisher 10k or 5k at Milton Creek Country Park on 10 May 2026 and help fund the Special Care Baby Trust supporting Medway neonatal unit. Enjoy scenic off road trails and a friendly community atmosphere.

Run through the rolling vineyards of Rathfinny Wine Estate on 10 May 2026 with 10.7 km and 21.4 km half marathon options. Enjoy off road trails, recycled slate medals and a carbon neutral event that supports the WOLO Foundation.

Take on the Greenway Challenge on 10 May 2026 in Letchworth Garden City, a scenic self guided 13 mile loop around the Garden City Greenway. Enjoy a wooden finisher medal, post run treats and help raise funds for GRIT.

A hilly, well signposted trail event on the South Downs with 20 km and 10 km senior races plus 3 km and 5 km junior races. The races start from Cadence Cycle Club Café, entries are online and limited to 350.

Join the Dilton Dash at Dilton Marsh for a scenic multi terrain 10K, 3K and half kilometre fun run, with medals for all finishers and prizes for top runners. Friendly small field event with refreshments and water stations.

Run the Chilterns 30, a scenic 30 km trail around Tring with rolling hills and about 500 m of ascent through woods and ridgelines. Limited to 50 places, the well supported event includes guides, checkpoints and a finisher medal.

Join Black to the Trails at Dunstable Downs and Whipsnade for a welcoming day of trail running with 1K, 5K, 10K and Scotch Bonnet 10K options. Celebrate diversity with music, food, family fun and finishers medals on scenic chalk downland.

Enjoy a scenic one lap 10k through bluebell woods, undulating hills and open common in Surrey at Hampton Estate and Puttenham Common. Chip timed with bespoke 2026 medals, a friendly finish village and superb views.

Trail runs around Stroud use towpaths, disused railway lines and Cotswold Way climbs, including a long ascent onto Selsley Common with wide valley views. The route has checkpoints, water provision, marshals and first aid along the course.

A 50 mile point to point trail run along the North Downs Way from Farnham to Knockholt Pound, with about 1,700 m of climb and six aid stations. The course covers the first 50 miles of the NDW100 and is part of the 50 Mile Grand Slam.

UTMB Index

Take on the Compton Downland Challenge on 16 May 2026, choosing the marathon or a scenic 16 mile route across the Berkshire Downs and Ridgeway. Expect rolling trails, countryside views, on course aid and a hand thrown mug at the finish.

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.

Trail running from Sudeley Castle in the northern Cotswolds with routes from 7 km to 51 km, marked trails, outposts and mandatory kit for longer courses. The event uses reusable cup policy and provides parking, bag drop and timed results.

Take on the Reigate Priory Park 10K on 17 May 2026, a measured four lap cross country route through scenic Priory Park. Open to ages 15 and over, this England Athletics affiliated race supports Sport In Mind and offers medals and trophies.

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.