Trail Running calendar near Hertfordshire 2025-2026

Tackle the stunning South Downs Way from Eastbourne to Arundel at the South Coast Ultra Challenge, with distances from 25 km up to 100 km and single or two day formats. Expect coastal views, supportive aid stations, camping and categories f..

Run along the River Thames at Temple Island Meadows with half marathon, 10K and junior races supporting Royal Berks Charity. Enjoy mixed undulating trails, finisher medals, chip timing, free photos and a lively event village.

Join a guided 10 km trail run from Silent Pool near Guildford along the North Downs Way and Netley Heath into Shere. This relaxed group outing is led by an experienced coach and suits runners keeping a steady trail pace.

Enjoy reservoir views and undulating wooded trails at Bewl Water Autumn, with distances from 10 km to a 50 km ultra to suit every runner. Detailed course guides, GPX routes and a route video help you prepare for this Runners World top 10 UK..

Run 4.167 mile loops each hour at High Lodge in Thetford Forest until one runner completes an extra lap. Chip timed main race has a £250 prize and free entry to the summer Back Yard Ultra.

Run along iconic Thames towpaths from Putney to Henley in the Thames Path Ultra Challenge, with distances from 10 km to 100 km across one or two days. Enjoy riverside scenery, generous support stations and a friendly festival atmosphere.

Run the Boudicca Way 50 km ultra from Diss to Trowse, a scenic point to point route through Norfolk villages and riverside trails. Limited to 250 runners, the friendly event offers checkpoints, GPS tracking, finish food and a unique medal.

A scenic 13.1 mile trail through Richmond Park, starting and finishing at Sheen Gate. Rolling trails, lakeside views and woodland wildlife make this a refreshingly classic half marathon for runners of all levels.

Run scenic trails in the Surrey Hills at Farnham Pilgrim on 13 September 2026, with hilly routes and great views. Pick a half or full marathon and enjoy friendly marshals, water stations and a lively finish at The Sands Recreation Ground.

Run scenic, hilly trails around medieval Rye, linking ancient tracks through the High Weald and passing Norman churches. Choose 30k or 15k with about 1,500 ft of climb in a lively community event that supports a local charity.

Join the Alf Shrubb Memorial 10k and 5k in Slinfold, a friendly trail race through West Sussex countryside finishing at Slinfold Cricket Club. Chip timing, medals, cakes and a licensed bar make it a lively community fundraiser supporting lo..

Chiltern Wonderland 50 on 19 September 2026 is a 50 mile loop from Goring Village Hall through the scenic Chiltern countryside. Expect tough climbs, great views and full support from Centurion Running.

The Lucky Horseshoe invites runners to tackle scenic out and back trails around Bury St Edmunds on 19 September 2026, with distances from 5k to ultra and friendly aid stations. Expect a bespoke finisher medal and a welcoming race village at..

Take on the Cotswold Half Way, a scenic 47 miles along the Cotswold Way from Chipping Campden to Painswick. Expect very hilly trail terrain, supportive aid stations and live tracking as you race to finish within 15 hours.

Take on the Cotswold Way Century, a stunning 102 mile non stop trail from Chipping Campden to Bath showcasing rolling hills, stone tracks and panoramic views. Test your endurance over varied terrain with a 32 hour time limit and full suppor..

Event overview The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which..

Run scenic countryside trails at the Clipston Trail Half Marathon and Country 5 Miler, starting from Clipston Recreation Ground. Enjoy rolling hills, a homemade cake at the finish and the feel good factor of supporting local playing fields.

Join the Chiltern 50 Ultra Challenge from Henley basecamp and run scenic looped trails through rolling hills and nature reserves. Pick 50, 25 or 10 km routes with aid stations, camping options and a finishers medal at a lively basecamp.

Join The Pumpkin Run in Colchester on Sunday 27 September 2026 for 10K, 5K or a fun 1K family dash through scenic fields and a festive pumpkin corn trail. Expect chip timing, an event village, exclusive medals and plenty of family friendly..

Run to the Sea Bournemouth is a scenic 50 km point to point ultra from Moors Valley to Hengistbury Head, blending forest trails and seafront paths. Expect a mostly flat course, feed stations, free photos and a bespoke finisher medal.