Trail Running calendar near Basildon 2025-2026

The The Maverick East Sussex Trail will take place in Lewes on Saturday 11 April 2026.

Tackle the Rose of the Shires at Brixworth Country Park with a 54 mile ultra, a 26.2 mile Rosebud Marathon or relays. Enjoy varied trails, roads and canal towpath, checkpoint support and live tracking for a rewarding challenge.

Spring Run the Seasons at Cowdray Estate on 11 April 2026 offers scenic trails across the South Downs, with 5k, 10k and 10 mile races plus canicross. The 10k scores in the series and routes showcase heathland and big views.

Tackle 50 miles along the iconic South Downs Way on 11 April 2026, from Worthing to a dramatic lap finish at Eastbourne athletics track. Expect rolling chalk trails, big views and a seriously rewarding ultra for experienced runners.

Take on the Haughley Festival of Running at Haughley Park Suffolk, with distances from 5k to ultra and a cap of 300 entrants. Enjoy undulating park and woodland laps, secure on site parking and a bespoke finishers medal.

Discover the Spring Trail Series on the Serpent Trail in the South Downs at Cowdray estate on 18 April 2026. Choose from 12 km to 110 km and enjoy a fully marked, supported route through greensand hills, rivers, woodland and heath.

The Chiltern Ridge Classic 50K is a scenic Ridgeway ultra through the Chiltern Hills, taking in iconic climbs, beech woodlands and wide views. Limited to 400 runners with a 9 hour cut off, it runs from Berkhamsted Castle to Wendover.

The Windsor 50 Ultra Challenge invites participants on scenic loops through Windsor Great Park, along the Thames and past Windsor Castle. Choose 10 km, 25 km or 50 km courses with app tracking, support stops and a lively finish celebration.

Martello Half Marathon : Seaford, East Sussex The event is a Half Marathon held in Seaford, East Sussex, with the next scheduled race on 19/04/2026. The route combines the Seaford seafront with sections on the South Downs and is described a..

Roman Ramble at Billingford Lakes offers rugged trail running with four hour and six hour options across heavy half and ultra laps. Parking is included and all finishers receive bespoke medals, so bring your own cup or bottle for refills.

Run the Thames Ring Series, a multi day trail loop based in Streatley on Thames that follows the river and canal towpaths on mostly flat, scenic terrain. Pick 100, 150 or 250 mile routes from 22 to 26 April 2026 for a true endurance fix.

The Other Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, coinciding with the London Marathon day. It offers multiple distance options: 5k, 10k, half marathon, and full marathon. The marathon..

The Ale Trail 15 mile run is a pub-led trail race in Alfriston, East Sussex, starting from the Ye Olde Smugglers Inne beer garden. The 15-mile course has a 4hr30min cut-off and pub checkpoints at The Hampden Arms and The Ram Inn, where runn..

Run a flat, fast 5K or 10K along the River Adur and Downs Link at Adur Recreation Ground in Shoreham by Sea, passing the airfield and Toll Bridge. Chip timing and finishers medals add to this well supported riverside race.

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..

The Heritage Coast Run will take place in Thorpeness on Friday 1 May 2026. You can run between 10 and 21 kilometers.

Run 100 miles along the scenic Thames Path from Richmond to central Oxford, finishing on the grounds of Oxford University. Mostly trail with a 30 hour limit and regular aid stations, plus pacers and a Centurion buckle for finishers.

Enjoy a three day running festival over the May Bank Holiday across three Mid Sussex towns. Run single town races or combine stages into the Mid Sussex Marathon, with undulating multi terrain routes, medals, family fun and fancy dress.

Discover the Greensand Way Ultra Run, a guided 30 mile trail group run near Guildford led by an expert coach. Enjoy Surrey views from Box Hill to Leith Hill while running with a supportive group.

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.