Trail Running calendar near Semington 2026-2027

We have found 524 Trailruns within 80 miles of Semington. See below where and when you can find the races.

A timed Friday event on a flat 5.3 km out-and-back course along the river Thames, with lap-based distances from 5 km to ultra and a £10 Run for a Tenner entry benefiting Rays of Sunshine.

Test your endurance at this 50km multi terrain ultramarathon in Maidenhead. Complete the signed course before the official end of daylight to earn your finishers medal and mementoes.

A point to point 86 mile trail race on The Ridgeway National Trail from Ivinghoe Beacon to Avebury with open GPS tracking, eight checkpoints and a 28 hour cutoff. The event is licensed by the Trail Running Association and limited to 150 run..

UTMB Index

An inflatable obstacle-course run in Bristol on Saturday 30 May 2026 spanning a 5 km route. The organisers describe the 2026 edition as larger and more bouncy, with 42 recent bookings reported.

Celebrate 50 years of Rocky with a flexible time challenge at Dare Valley Country Park. Run anything from 3km to an ultra marathon on scenic paths and earn a themed medal and goody bag.

A 60 km point to point ultramarathon from Ivinghoe Beacon to Ridgeway View Campsite on 30 May 2026. The route covers about 1000 m of ascent, includes four checkpoints with supplies and has a 10 hour time limit.

Join the Manta Ray Run at Parc Taf Bargoed for a timed, multi lap event with flexible rock up and run starts and distances from 5 km to ultra. Enjoy scenic trails, cake at the finish and digital results.

Experience an interval style racing event in Twickenham featuring repeat segments of 400m or 800m. Available for individual runners doubles or relay teams this May 2026 competition tests endurance through ten measured laps.

The Southampton Running Festival will take place in Bishop's Waltham on Sunday 31 May 2026. You can run between 5 and 21 kilometers.

Race along the Somerset shoreline in this scenic 7 mile coastal event. Run across sandy beaches and coastal paths while chasing the West Somerset steam train on a flat multi surface course.

June 2026

A guided trail half marathon from Guildford through the Surrey Hills, visiting St Martha's Church, Shere, Newlands Corner and Hackhurst Downs. Routes vary by date and include sections of the North Downs Way.

Join this two lap 10km trail race at Kinver Edge featuring local tracks with plenty of elevation changes. This event supports canicross runners and offers a no frills racing experience in a scenic outdoor setting.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

Experience a 40 mile ultra marathon along the stunning Wales Coast Path from Porthcawl to Penarth. This supported journey features dramatic cliffs, ancient castles, and scenic coastal trails with no strict time limits.

Trail races in the Brecon Beacons on June 6 2026, offering marathon and half marathon options plus weighted bergen editions. Runners move from daylight into night and may need a torch.

Test your limits at this 24 hour trail relay in Wasing Park. Run as a solo athlete or in teams of up to 12 people on a scenic 8km loop through historic woodland.

A backyard ultra on private trails at Chilton Manor Farm near Chilton Candover. Runners repeat a 6706 m loop each hour until one person remains; weekend camping, on route water, medical support and race timing are provided.

Experience a premier 85 mile ultra endurance event along the coastline. This June 2026 race offers a significant physical challenge for long distance runners looking to test their limits on a point to point course.

Run laps through Denbies Wine Estate in the Fire Horse Run, a timed off road challenge on an undulating 5.3 km loop with distances from 5 km to ultra. Pick as many laps as you like within a seven hour window for a flexible, scenic race day.

Explore the Mendip Hills through trail running or rucking with weighted backpacks. Choose between 8km and 14km distances in competitive Pro or relaxed Open categories with provided equipment and finisher medals.