Trail Running calendar near Hertfordshire 2025-2026

Join the ATW St Albans Summer 10K on 19 July for a chip timed, single lap route along the flat, tree lined Alban Way. Family fun run, kids zone, live music and food in the event village create a festival finish.

Tackle scenic trails through Ashdown Forest on 19 July 2026 with 5 or 10 mile options from Pippingford Park Manor. Expect rolling climbs, sweeping Downs views and a friendly race day vibe with medals, parking and downloadable GPX files.

Take on Day 1 of the Great Barrow Challenge on the flat to undulating Denham Flats trails, with distances from 5k to ultra to suit every runner. Parking is included, the event is cupless so bring your own bottle, and finishers get a bespoke..

Take on a scenic 7 hour timed challenge along the River Thames at Wraysbury, choosing how many laps to run from a 3 km minimum up to 50 km or ultra distances. Finishers from 3 km earn a medal and everyone gets goody bags with vegan options.

Scenic flat trail around Maidenhead Commons and Summerleaze Lake on 26 July with 5K to half marathon options. Event base at the Sports Bar with marshals, chip timing, unique medal and free race photos for a friendly community day.

Run or walk the North Downs 50 Ultra around Guildford, a scenic 50 km loop through the Surrey hills. Shorter routes, staffed aid stations, GPS tracking and camping or en suite finishes make this a supported trail day for all paces.

Tackle a full or half marathon along the scenic Vanguard Way, weaving through woodlands, parkland and Greensand Ridge views near Croydon. Finishers receive a medal, mug, buff and post race treats for a memorable day.

Take on the MTC Thames Challenge, a four day 184 mile ultra along the Thames Path from the Cotswolds to Greenwich. Choose solo or relay and enjoy shared accommodation, evening meals and daily kit transfers.

Tackle the 57 mile point to point MTC Cotswold Ultra along the scenic Thames Path through Cotswold countryside. Finishers receive a bespoke medal, every runner gets an MTC visor and checkpoints plus GPX keep you supported.

Tackle the MTC Oxford Ultra, a scenic 49 mile point to point ultramarathon along the Thames Path finishing in Henley on Thames. With three staffed checkpoints, mandatory GPS navigation and a finisher medal, it is a true test of endurance an..

Take on a 7 hour timed challenge along the scenic River Thames at Wraysbury Skiff and Punting Club, with distances from 3 km up to ultra. Tarmac paths, an aid table, cafe and finisher medals make it perfect for pacing or chasing distance go..

Run 47 miles along the River Thames from Henley to Kingston in the scenic MTC Windsor Ultra. Enjoy riverside views, three aid checkpoints and a bespoke finisher medal plus a choice of technical shirt, mug or hat.

Tackle ATW Odyssey12 at Riverside Park, St Neots, a multi terrain lap event where solo runners, pairs or teams rack up 5.3 km laps against the clock. Enjoy festival vibes with live music, food, kids activities and an Odyssey medal for finis..

Run the North Downs Way in about 100 miles from Farnham to Ashford, tackling rolling chalk downland and roughly 11,000 ft of ascent. This 30 hour Western States qualifier offers stocked aid stations and a memorable test of endurance.

Run the scenic Stour Valley Path in either a 100 km or 50 km trail race from Newmarket to Manningtree on 8 August 2026. Mostly off road through Suffolk and Essex countryside, the event awards UTMB points and finisher medals.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

Join Ramsbury Gold 10km at Ramsbury Brewery for a scenic mostly trail run through woodland and footpaths with about 180 m of climbing. Canicross option, chip timing, medals and finish drinks included while supporting Brighter Futures.

Enjoy an undulating 10k through peaceful country lanes and rolling Kent countryside at Mount Ephraim Gardens on 9 August 2026. Support Oasis Domestic Abuse Services while grabbing a bespoke medal, free photos and entry into the gardens.

Thames Meander follows the scenic Thames Path for 10K, half marathon or marathon out and back routes between Barnes and Petersham. Expect towpath and trail underfoot, friendly marshals, checkpoints with fuel and professional medical cover.

SATURN TOO Midweek Medal Madness on 14 Aug 2026 at Wraysbury: a relaxed 7 hour timed challenge along the River Thames with distances from 3 km to ultra. Finishers earn medals and goody bags and enjoy aid stations on a scenic loop.