Trail Running calendar near Slindon 2025-2026

We have found 287 Trailruns within 80 miles of Slindon. See below where and when you can find the races.

Elephant Challenge takes place at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). This 6-hour, multi-lap event centers on a 3.5-mile off-road loop through the forest, allowing participants to choose distance—from 3 laps f..

Event Fortitude Ultra - Pippingford is a timed ultra event at Pippingford Park, Uckfield, TN22 3HW. The next race is on 28/03/2026. The event format is described as "10 Hrs : 10 Laps : You-vs-You." Participants aim to complete ten..

Run the Wild Half Marathon brings a guided 13 mile trail through the Chiltern Hills with rolling chalk climbs and wooded trails. English Athletics run leaders group you by ability, offer coaching, and a midcourse refreshment stop and finish..

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced run..

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April 2026

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a short..

The Testway Ultra is a challenging ultra marathon held in Hampshire, England, featuring 40 and 50-mile distances along the scenic Testway footpath. The route stretches from the chalky downs near the Northern Hampshire/Berkshire border to th..

Join the Mortimer 10 km on Monday 6 April 2026 for a scenic two lap off road route through local woodlands, with a dog friendly canicross option. Enjoy chip timing, medals and a lively event village while supporting Ollie Young Foundation.

Challenge yourself on an 8 mile undulating trail around Freshwater, climbing about 900 feet and passing iconic spots like Tennyson Down and Alum Bay. Limited to 175 entries on 6 April 2026, this rugged multi terrain route offers stunning co..

Event details The Henley River Half Marathon, 10K & Junior Race takes place on Saturday 11 April 2026 in Remenham Lane, Henley-on-Thames RG9 3DB. The event is organised by RunThrough UK and is based at Temple Island Meadows, the launch..

Take on the 50 Mile Grand Slam in 2026, a bold series of four Centurion Running 50 Mile races across iconic UK trails from the South Downs to Wendover Woods. Entries open April 26 2025 so register via SiEntries to secure your place.

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

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.

Take on the iconic South Downs Way in this 50 mile trail challenge across chalk ridges and coastal scenery. Start in Worthing and finish with a lap at Eastbourne track on 11 April 2026 for a true test of endurance.

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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.

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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.

The Chiltern Ridge Classic 50K is a scenic trail ultra on 18 April 2026, from Berkhamsted Castle to Hampden Meadow in Wendover. Follow the Ridgeway past Ivinghoe Beacon and Ashridge for an off road challenge with on course support.

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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..

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 Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a choice between 10-mile and 15-mile distances, either solo or in teams. Inspired by military-style navigation, the event requires runners..

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..