Trail Running calendar near Amersham 2025-2026

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..

Run, jog or walk the stunning Isle of Wight coastal path in distances from 10 miles to 106 km, passing the Needles, Cowes and Ventnor. Fully signed route with food, medical support, camping and medals for finishers.

Take on the Thames Path 100, a scenic 100 mile point to point from Richmond to Oxford with a finish on Oxford University grounds. Riverside trails, aid stations and a 30 hour time limit make for a classic endurance challenge.

Join a guided, non competitive 30 mile ultra around Surrey's North Downs and Greensand Way, tackling iconic climbs like Leith Hill and Box Hill. Ideal for first time ultra runners seeking scenic trails with experienced group support.

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.

Discover the Cotswolds with Tempo Trail Races on 3 May 2026, offering scenic trail distances from 10K up to a new 50K and a 100 km ultra. Choose your challenge and soak up friendly club vibes and beautiful countryside.

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 Bat Challenge at Beacon Hill Country Park: a six hour off road loop where you choose your pace and complete as many 3.3 mile laps as you can. Expect a steady climb to scenic high points and a fun, supportive atmosphere.

Take on the Chiltern Hills 100K, a scenic trail ultra across iconic Chiltern ridges and estates on 9 May 2026. Limited field and UTMB Index status mean a competitive, well supported race with challenging climbs, full marking and live tracki..

Run to the Sea Brighton on Saturday 9 May 2026 is a scenic point to point 50k from Horsham to Hove Lawns, crossing trails, rolling downs and the coastal promenade. Enter by 25 April; solo and 2 runner relay options with on course support.

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.

Run Rabbit Trail Festival at Deene Park near Corby on 9 and 10 May 2026 is a weekend of trail running and lively festival fun. Choose from short evening runs to a 56.1 km triple challenge, with music, activities and medals for finishers.

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..

Tackle a scenic 40 mile Ridgeway walk or run from Avebury to Streatley, crossing the rolling chalk downlands of Wiltshire, Oxfordshire and Berkshire. Limited to 250 entrants, this classic May event blends challenge with stunning countryside..

Run along the scenic Thames Path at Magna Carta Summer, choosing from marathon, half marathon or 10 km routes that pass historic landmarks like the Magna Carta site. Enjoy a well marked course, friendly marshals and a bespoke finisher medal..