Trail Running calendar near Mill End 2025-2026

Take on a year of ultra adventure with the 50 Mile Grand Slam 2026, covering all four Centurion Running 50 mile races. Sign ups run April 26 2025 to March 14 2026 so grab your place and chase iconic trails and camaraderie.

Take on the South Downs Way 50, a 50 mile trail across iconic chalk ridges from Worthing to Eastbourne. Expect 5700 ft of climbing, sweeping coastal views and a memorable finish with a lap on the Eastbourne Sports Club track.

Run along the banks of the River Thames in Henley with half marathon, 10K and junior races, chip timing, unique medals and free race photos. Event village serves food and drinks and the event supports the Royal Berks Charity.

Tackle the Rosebud Marathon, a scenic 26.2 mile section of the Rose of the Shires Ultra around Northampton. Expect mixed trail and road terrain, live GPS tracking, manned checkpoints and a finisher medal.

Run the spring trails at Cowdray Estate with 5 km, 10 km, 10 mile, junior races and canicross options. Scenic sandy heathland and mixed trail sections through wildlife rich commons deliver a rewarding, characterful day out.

Tackle the rolling hills and chalky trails of the South Downs at the Maverick East Sussex Trail Run in Stanmer Park, with routes from 5 km to 21 km and a climb past Ditchling Beacon. Scenic, timed and medal for finishers.

Join a guided trail marathon through the Chilterns and Ridgeway into Wendover Woods, tackling rolling hills and technical single track while qualified run leaders steer small ability groups. Midway refreshments and a wooden Run the Wild fin..

Flat, traffic free out and back ultramarathon on the scenic Brampton Valley Way with 14 mile one way or 28 mile round trip options. Bring a head torch for the tunnels and your own cup as the race is cupless.

Run a scenic 10k through the Nene Valley and rolling Northamptonshire countryside on 12 April 2026. Fully marked and marshalled, the trail winds along green fields, farm tracks and old railway lines, so bring a reusable bottle for aid stati..

Tackle the Brighton Trail Marathon, a 42 km off road adventure from Stanmer Park across the South Downs to a Hove Lawns finish. Expect woodland and chalk tracks, a climb up Ditchling Beacon and spectacular coastal views.

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.

Set off from Windsor Racecourse on looped 10 km, 25 km and 50 km routes that sweep through Windsor Great Park, past Windsor Castle and along the Thames Path. Fully signed and supported with rest stops, catering and app tracking for walkers..

Run the Chiltern Ridge Classic 51K with 996m of climb across Ashridge, Ivinghoe Beacon and The Ridgeway from Berkhamsted Castle to Wendover. A UTMB Index event limited to 400 runners with a fully marked course and aid stations.

Join a guided 18 mile trail run along the Malvern Hills ridge, summiting the peaks and tackling 1300 m of ascent with a qualified coach. Not a race; expect steady trail pace, stunning views and friendly company.

Run the Spring Trail Series at Cowdray Estate where the Serpent Trail winds through greensand hills, rivers and woodland. Distances from 12 km to 110 km, with food, camping and relaxed cutoffs for a friendly, well supported day.

Tough but rewarding 10 km fell race around Chingford with 450 m of climbing, hosting the first ever Essex County Championships. Pre entry only and open to Essex eligible runners aged 16 and over, with teams welcome.

Run the Martello Half Marathon in Seaford along seafront and South Downs trails, a scenic but undulating course with marshal support. Enjoy great views, a bespoke medal and free photos while backing local charities.

Martley Madness is a scenic 10 miles trail race across Rodge Hill and woodland, with challenging climbs and quiet country lanes. Finishers get bespoke medals and proceeds benefit Cardiac Risk in the Young.

Join the Grand National 10km Trail Run in Findon on 19 April 2026 for scenic South Downs trails and a fun family atmosphere. Choose from canicross, 10k, 5 mile or a kids run while supporting St John the Baptist Primary School.

Run the scenic Thames Ring, a multi distance trail loop from Streatley on Thames that follows the river and canals. Choose 100, 150 or 250 mile challenges on riverside paths with GPS tracking and checkpoint support, 22 to 26 April 2026.