Trail Running calendar near Slindon 2025-2026

Take on the Compton Downland Challenge on 16 May 2026, choosing a scenic 26.8 mile marathon or a 16 mile route around the Berkshire Downs and ancient Ridgeway. Expect varied, sometimes muddy trails, great aid stations and a hand thrown mug..

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.

Join the Reigate Priory Park 10K on 17 May 2026 for a scenic cross country four lap route in Surrey. Enjoy a friendly race atmosphere, bespoke medals and the chance to support the charity Sport In Mind.

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.

Run spring trails across Hertfordshire farmland at the Stort10 in Hatfield Broad Oak on Sunday 17 May 2026. Choose 10 mile or 5 mile, earn a finisher medal and t shirt or have a tree planted, with prizes and live timing.

The South Downs 50 km runs along the South Downs Way from Falmer to Eastbourne, finishing on the white cliffs at Beachy Head. Mostly runnable trails and 3,500 feet of climb make this a scenic coastal challenge for trail runners.

Run from Richmond to Brighton on a scenic 100 km route through Surrey and the North and South Downs. Choose single day or two day options with Trailblazerz and Ultra March categories plus staffed aid stations and midway camping.

The Fox invites trail runners to Surrey on 23 May 2026 with 20K, 41K and 62K routes starting from local villages. Courses are well marked with regular aid stations and a shared finish in Godalming.

Tackle the stunning Seven Sisters Half Marathon on the South Downs, a 13.5 mile single loop that crests the iconic cliffs, crosses Beachy Head and winds through Friston Forest. Expect rolling hills, mostly runnable trail and unforgettable c..

Tackle a scenic 26.2 mile marathon across three laps of Richmond Park, with rolling hills and beautiful parkland views. Chip timing, aid stations, medical cover and a lively finish make this a rewarding London park marathon for seasoned and..

Discover Ealing on foot at the Queen of the Suburbs Ultra, a single borough trail event offering a scenic 50k ultra and a friendly 25k loop. Wind through parks, canal paths and Horsenden Hill for leafy views across west London.

Join the Rebellion 10km on Monday 25 May at Riverwoods, Marlow, for a scenic trail along the Thames including a crossing of Marlow Bridge. Finishers receive a medal, a Rebellion beer or non alcoholic alternative and a branded pint cup.

Run the Beat the Sunset 50 km ultra in Maidenhead, a scenic single lap mostly off road along the Thames Path and Jubilee River. Expect checkpoints, live timing and a finisher medal as you chase the sunset.

Run the full 86 mile Ridgeway from Ivinghoe Beacon to Avebury Stones across sweeping chalk downland with a 28 hour time limit. Aid stations and navigation support make this a classic long distance trail challenge.

Enjoy a supported 50 km from Rochester to Tonbridge along the scenic Medway Valley Walk on mostly flat towpaths and trails. Aid stations, GPS tracking and the Tonbridge athletics track finish add a polished riverside vibe.

Castle Trails 30km, part of the Three Castles weekend, follows the River Medway from East Farleigh to Tonbridge. Mostly flat towpaths lead to a finale on an athletics track and a finisher medal within the 8 hour cut off.

Run 60 km along the ancient Ridgeway from Ivinghoe Beacon to near Wallingford across chalk ridgelines and rolling downs. With 1000 m ascent, a 10 hour limit and UTMB World Series status, this scenic ultramarathon tests endurance and pace.

Run through Southampton Common on 31 May 2026 amid woodland, lakes and wetlands. Choose half, 10K, 5K or junior distances and enjoy a lively event village with food, freebies and a sustainable focus.

Explore the Surrey Hills on a guided 13 mile trail run from Guildford, passing St Martha's Hill, Shere and the North Downs Way. Run as a friendly group at about 10 minutes per mile with gear trials and evening torch runs.