Trail Running calendar near Detling 2025-2026

Run the picturesque grounds of Haughley Park on 12 April 2026 with distances from 5k to ultra for all abilities. Limited to 300 runners, the event features lap formats, a bespoke finisher medal and a friendly community atmosphere.

Tackle the Brighton Trail Marathon, a 42 km off road adventure from Stanmer Park across the South Downs to a Hove Lawns finish. Expect woodland and chalk tracks, a climb up Ditchling Beacon and spectacular coastal views.

Set off from Windsor Racecourse on looped 10 km, 25 km and 50 km routes that sweep through Windsor Great Park, past Windsor Castle and along the Thames Path. Fully signed and supported with rest stops, catering and app tracking for walkers..

Run the Chiltern Ridge Classic 51K with 996m of climb across Ashridge, Ivinghoe Beacon and The Ridgeway from Berkhamsted Castle to Wendover. A UTMB Index event limited to 400 runners with a fully marked course and aid stations.

Run the Spring Trail Series at Cowdray Estate where the Serpent Trail winds through greensand hills, rivers and woodland. Distances from 12 km to 110 km, with food, camping and relaxed cutoffs for a friendly, well supported day.

Tough but rewarding 10 km fell race around Chingford with 450 m of climbing, hosting the first ever Essex County Championships. Pre entry only and open to Essex eligible runners aged 16 and over, with teams welcome.

Run the Martello Half Marathon in Seaford along seafront and South Downs trails, a scenic but undulating course with marshal support. Enjoy great views, a bespoke medal and free photos while backing local charities.

Run the South Downs at the Grand National 10 km Trail Run in Findon, a charity supporting local causes with bespoke medals for all. Choose 10 km, 5 mile, Canicross or kids 2 km fun run and enter the fancy dress Filly or Colt contest.

Run the scenic Thames Ring, a multi distance trail loop from Streatley on Thames that follows the river and canals. Choose 100, 150 or 250 mile challenges on riverside paths with GPS tracking and checkpoint support, 22 to 26 April 2026.

Join the Ale Trail, a 15 mile sponsored fun run through scenic countryside around Alfriston on 26 April 2026, with just 50 places for a sociable challenge. Start and finish at Ye Olde Smugglers Inne with checkpoints offering beer tokens and..

The Other Run offers 5k, 10k, half marathon, marathon and ultra on scenic, mildly undulating quiet roads near Bury St Edmunds, plus bespoke finisher medals and a lucky dip option. Capped at 300 runners with parking included, it promises a f..

Run through carpets of bluebells at Angmering Park Estate on a scenic 10 mile or 10 km route with stunning downland views. Canicross entries welcome and finishers get a warm pub welcome plus free photos.

Bolt Round the Holt at Alice Holt Forest on 26 April 2026 offers scenic undulating forest trail races from junior 1k to half marathon. The event raises funds for GUTS and features bespoke medals, prizes and a friendly community vibe.

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..

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.