Trail Running calendar near Guildford 2025-2026

Run the iconic Jurassic Coast from Corfe Castle to Bridport, passing Durdle Door, Lulworth Cove and Weymouth. Choose distances from 10 km to 100 km and tackle a one or two day challenge with full support and a finishers medal.

Take on the Compton Downland Challenge on 16 May 2026, choosing the marathon or a scenic 16 mile route across the Berkshire Downs and Ridgeway. Expect rolling trails, countryside views, on course aid and a hand thrown mug at the finish.

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.

Run from Tudor Sudeley Castle through the rolling Cotswold Hills on scenic trails and historic paths. Distances from 7 km to 50k welcome all abilities and the event is dog friendly.

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.

Join the Deddington Four Farms Challenge on Sunday 17 May 2026 for 5k and 10k routes around the picturesque parish of Deddington. Open to experienced runners, fun runners and families, it is a friendly event supporting local charities.

Stort10 '26 at Cammas Hall Farm on 17 May 2026 offers scenic 10 mile and 5 mile trail routes through woodland, farm tracks and quiet lanes. All finishers get a premium t shirt or a tree planted in their name plus a medal.

Race through historic Canterbury, weaving past the cathedral, cobbled streets and ancient city walls from 22 to 24 May 2026. A Friday prologue, a city centre race and sprints on the University of Kent campus include courses for newcomers.

Explore Canterbury's historic centre in a time trial orienteering, with 5 mile and 5k courses past King's School, Westgate Gardens and St Augustine's Abbey. Fastest time wins and finish is at Canterbury Christ Church University.

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.

Take on the London to Brighton Ultra, a 100 km route from Richmond to Brighton with about 1500 m of ascent and a two day daylight option with an overnight midpoint. Fully supported with covered rest stops, medical teams, transfers and a fin..

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.

Experience a scenic 13.5 mile single loop along the South Downs Way, through Friston Forest and past the iconic Seven Sisters cliffs and Beachy Head. Mostly trail with about 1,900 feet of climbing, full race support and a finisher medal.

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..

Queen of the Suburbs Ultra invites runners to explore Ealing's greenways, towpaths and parks with 50k and 25k single loop options. Expect a Horsenden Hill climb with city views to Wembley and a friendly local race atmosphere.

Run across Dorset from just south of Salisbury to the Jurassic Coast on mostly trail with minimal road running and support along the route. Choose from 100 km, 50 km or a 20 mile Purbeck Traverse for a rewarding coastal challenge.

Join the Rebellion 10km at Riverwoods, Marlow on 25 May 2026 for a scenic trail run along the Thames including a crossing of Marlow Bridge. Finishers get a medal, a Rebellion beer or non alcoholic alternative and a 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.