Trail Running calendar near Chignall Smealy 2025-2026

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 Roman Ramble at Billingford Lakes on 19 April 2026 on trails with distances from 5k to ultra. Entries capped at 300, no cups provided so bring your own bottle, and finishers receive a bespoke medal.

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.

The Thames Ring Series is a multi distance trail event from Streatley on Thames, featuring the roughly 250 mile Thames Ring 250 counterclockwise loop along canals and towpaths. Scenic and largely flat, it takes place 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.

Run Silchester invites runners to scenic trail routes around Roman walls, past a 12th century church and through ancient woodland. Choose 2.5, 5 or 7 miles, collect a new medal and enjoy a community event supporting the local food pantry.

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..