Trail Running calendar near Henley-on-Thames 2025-2026

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced run..

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a short..

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..

Enjoy a scenic off road 10 km through woodlands around Mortimer Fairground, Berkshire. Runners and dog owners can take part in a canicross option for a fun spring challenge.

Event overview The Rosebud Marathon is a 26.2-mile section of the Rose of the Shires Ultra Marathon through Northamptonshire. The event takes place on Saturday 11 April 2026, with registration and the finish hosted at Brixworth Country Park..

Event details The Henley River Half Marathon, 10K & Junior Race takes place on Saturday 11 April 2026 in Remenham Lane, Henley-on-Thames RG9 3DB. The event is organised by RunThrough UK and is based at Temple Island Meadows, the launch..

Take on the 50 Mile Grand Slam in 2026, a bold series of four Centurion Running 50 Mile races across iconic UK trails from the South Downs to Wendover Woods. Entries open April 26 2025 so register via SiEntries to secure your place.

Tackle 54 miles of Northamptonshire charm in the Rose of the Shires Ultra, looping through forests, canal towpath and rolling farmland with about 2,300 ft of climb. Solo or relay entries mean this is great for big personal goals or a team c..

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.

Tackle the scenic South Downs Way 50, a 50 mile race from Worthing to Eastbourne with chalk paths, trails and coastal views and 5,700 ft of climb. Stocked aid stations and a 13 hour time limit make this a memorable long distance challenge.

Join the Nene Valley Races Kings Cliffe 10k on Sunday 12 April 2026 for a scenic circular trail through Northamptonshire fields, farm tracks and old railway lines. Fully marked with a stocked aid station and eco friendly cup use.

Event overview The Battle of the Brampton Valley Way is an out-and-back ultramarathon along the traffic-free Brampton Valley Way in Northamptonshire. Distances offered: 14 miles / 22.5 km one way 28 miles / 45 km round trip (classified as..

Wild Horse 200 South Wales is the home of 200-mile racing in Wales and a life-changing ultra marathon traversing the wilds of South Wales. The route threads iconic Welsh trails, starting in Chepstow and finishing at Worm’s Head, and links O..

Ultra X’s Spring Trail Series is staged on the Serpent Trail in the South Downs National Park, with all races starting and finishing at Cowdray Farm Shop near Midhurst—a spectator-friendly hub featuring an on-site expo and camping options...

Join a guided 18 mile trail run across the Malvern Hills, topping ridge summits and returning through woodland with over 1300 m of climb. Led by an experienced mountain leader and coach, this social group run suits fit runners at a steady p..

The Chiltern Ridge Classic 50K is a scenic Ridgeway ultra through the Chiltern Hills, taking in iconic climbs, beech woodlands and wide views. Limited to 400 runners with a 9 hour cut off, it runs from Berkhamsted Castle to Wendover.

Windsor 50 Ultra Challenge The Windsor 50 Ultra Challenge takes place on Saturday 18 April 2026 from a basecamp at Windsor Racecourse. Routes use the Great Park, Runnymede and the Thames Path and return to the racecourse. The 50 km course i..

Martello Half Marathon : Seaford, East Sussex The event is a Half Marathon held in Seaford, East Sussex, with the next scheduled race on 19/04/2026. The route combines the Seaford seafront with sections on the South Downs and is described a..

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.

The Bath Beat is a walking and running event held on the southeastern edge of Bath, England, offering distances of 12.5, 17, 21, and 26.5 miles. The course traverses the scenic countryside of the southern Cotswolds, including woods, hills,..