Trail Running calendar near Tadworth 2025-2026

Join NOT the London Marathon Run 2026 on Sunday 26 April in Walton on Thames for a flat, certified lap course along the riverside towpath. Choose marathon, half or a 7 hour timed challenge, enjoy flexible starts and a commemorative medal.

Run through woods carpeted in bluebells in the Chiltern Hills at the Bluebell 10km, a roughly 10 km guided spring trail on Sunday 26 April 2026. Grouped by ability with a Run Leader, it is ideal for runners who can manage 5 km non stop.

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Partici..

Explore the Isle of Wight Ultra Challenge from Chale on 2 to 3 May 2026, a scenic multi distance trail around the southern coast past The Needles, Cowes and Ventnor. Walk, jog or run solo or split the route over two days with full support.

Run the iconic Thames Path 100, a 100 mi point to point trail from Richmond to Oxford finishing on Oxford University grounds. Largely flat and scenic, the race features aid stations and a 30 hour time limit.

Join a guided 30 miles group run along the North Downs and Greensand Way from West Hanger near Guildford, taking in Box Hill, Leith Hill and Holmbury Hill. Intended for experienced trail runners able to sustain about 10 minutes per mile, wi..

Join the Mid Sussex Marathon Weekend, a three day running series through East Grinstead, Haywards Heath and Burgess Hill with undulating multi terrain routes combining into a full marathon. Family friendly races welcome all abilities.

Join Run Silchester on 2 May 2026 for 2.5, 5 and 7 mile trail runs around the Roman wall, ancient woodland and a 12th century church. Family friendly festival atmosphere with stalls, music and proceeds supporting local community causes.

Join the Rapid Relays at Culden Faw Estate for solo or team relays, 5K and 10K sunrise runs, plus downhill time trial challenges. Chip timed with live splits, scenic woodland trails and free parking make it perfect for teams and supporters.

Run the Three Forts Challenge on the scenic South Downs on 3 May 2026, following rolling chalk and flint trails with some technical sections and fantastic views. Choose marathon, half or 5 mile routes with strong marshal support and proceed..

Join a guided trail run at Box Hill, Dorking covering 12.5 miles with about 1000 m of ascent through steep, technical woodland and open fields. This noncompetitive group run suits fit trail runners and finishes with an alcohol free beer.

BigWayRound Winchester is a scenic trail run around the Itchen, St Catherine's Hill and the South Downs, offering 14 mile to 50K distances. Timed chip results, fully marked course and a bespoke medal or choose a tree planting instead.

Run through the rolling trails of Harewood Forest in the Muddy Runners spring trail race near Andover. Choose a 5k or 10k for a scenic, undulating course and mark 4 May 2026 in your calendar.

Tackle the Chiltern Hills 100K on 9 May 2026, a scenic but demanding trail ultramarathon around Chesham with 1800m of climbing. Limited to 250 runners, the marked course features checkpoints, live tracking and a finisher medal.

Run to the Sea Brighton is a scenic 50km point to point ultramarathon from Horsham to Hove Lawns on the Brighton seafront. Enjoy trails, rolling downs and a coastal finish with feed stations and support for solo runners or two person relays..

Run scenic off road trails through Collingbourne woods at the Collingbourne Races, with half marathon and 10 km options. Chip timed event with medals and prizes for a memorable trail day.

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

Take on a 40 mile Ridgeway walk across chalk downlands past hill forts, barrows and the White Horse. Limited to 250 places with checkpoints, support and a cloth badge for finishers.

Join the 30th Halstead & Essex Marathon on scenic low traffic roads through rolling hills, woods and farmland. Limited to 500 runners, this club organised race offers a classic country marathon and a prize for course records.

Run the Zig Zag Marathon or Half Marathon on 10 May 2026 from Suffolk Running Centre in Bury St Edmunds along scenic, mildly undulating roads. Limited to 300 runners, with aid stations, a seven hour cut off and memorable finisher medals.