Trail Running calendar near Southampton 2025-2026

We have found 294 Trailruns within 80 miles of Southampton. See below where and when you can find the races.

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..

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 50, a 50 mile trail race on 11 April 2026 from Worthing to Eastbourne. Expect 85 percent trail, 5700 ft of climbing, sweeping chalk ridge views and a finishing lap on the Eastbourne Sports Club track.

UTMB Index

Run the Henley River Half Marathon, 10K or Junior Race at Temple Island Meadows and enjoy scenic, mixed terrain trails along the River Thames. Expect themed medals, free photos and a lively event village with food, drink and family fun.

Take on four iconic Centurion 50 mile challenges across 2026 with the 50 Mile Grand Slam package, starting with South Downs Way on 11 April. Secure your spot when entries open 26 April 2025 for a season of epic trails and camaraderie.

Tackle The Big Cheese, a 15 mile off road fell race across the Mendip Hills with over 2,000 feet of climbing. Enjoy a fully marked course, finishers medal and tea and cake to celebrate at the finish.

Take on the Wild Horse 200 series and run 200 miles across unforgettable Welsh trails and mountains. Pick the South Wales route finishing at Worms Head in April 2026 or the Mid Wales loop starting and ending in Machynlleth in June 2026.

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.

UTMB Index

Explore scenic Windsor Great Park and the Thames Path with looped 10 km, 25 km or 50 km options, passing Eton and offering views of Windsor Castle. Covered rest stops, GPS navigation and on course support make this a welcoming challenge for..

Tackle the Chiltern Ridge Classic 50K on 18 April 2026 along a scenic 51K Ridgeway route via Ashridge, Ivinghoe Beacon and Whiteleaf Hill. Limited to 400 runners, this UTMB race delivers big views, full support and a true trail challenge.

UTMB Index

Take in Seaford seafront and rolling South Downs on the Martello Half Marathon, an undulating trail course that blends coastal views with countryside. Enjoy water stations, a bespoke medal and free event photos as you race.

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.

Enjoy a scenic run or walk from Bath's southeast edge into Cotswold woods, hills and river valleys, choosing from four distances up to 26.5 miles. Finishers get a medal, food and drinks and recovery transport if needed.

Run the Butcombe Trail Ultra through the Mendip Hills AONB on self navigated 50 km or 50 mile courses that circle six pubs. Volunteer run, UTMB qualifying and perfect for adventurous trail runners seeking a scenic challenge.

UTMB Index

Blindfolded and dropped at an unknown location, The Drop in Winchester challenges solo runners and teams to find their way back over 10 or 15 miles as the crow flies. No maps or GPS allowed, just navigation, grit and a taste for adventure.

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..

Event overview The Chase Trail Run 2026 is part of the Garmin UK Trail Running Festival on 26th April 2026. The event takes place at St Giles House, Wimborne St Giles, BH21 5NA and is organised by ORA Events Limited. Entries close on 22nd A..

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.