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Trail Running Calendar near Chalfont Saint Giles 2026-2027

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Explore the top trail runs near Chalfont Saint Giles for 2026-2027! We've gathered 284 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

April 2027
A 7 hour Time Challenge along the River Thames in Staines with distances from 3 km to ultra, themed medals, goody bags and aid stations.
Multi-terrain 5 km and 10 km races at Ibstone with routes through Wormsley Estate plus a 1 km or 2 km Run in Colour for ages 4 to 11.
A multi day trail series around the Thames offering 250, 150 and 100 mile options with GPX maps, checkpoint support and GPS tracking on mainly canal and riverside paths.
An untimed inflatable obstacle run at Hertfordshire County Showground on 24 April 2027 with 2.5k, 5k, 10k or 15k lap options, music zones and a finisher's medal.
A seven hour time challenge along the River Thames in Staines offering distances from 3 km to 50 km, themed medals, goody bags and on-course aid with vegan options.
An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.
A guided spring trail run of about 10 km through the bluebell woods around Tring, with grouped Run Leaders, trail running tips, bag drop and nearby cafe facilities.
May 2027
A marked 100 mile point to point trail race along the Thames from Richmond to Oxford with a 30 hour cutoff, aid stations, pacers from mile 51 and mandatory kit checks.
Guided 30 miles trail run from Newlands Corner, Guildford, linking the North Downs Way, Greensand Way and Downs Link with group pacing and coach support.
Community trail event in Silchester in May 2027 with 2.5, 5 and 7 mile routes, village stalls, chip timing and water stations.
Rapid Relays at Culden Faw Estate features 4 km multi terrain loops through bluebell woods with solo, pairs and team relay formats over a four hour window.
Guided trail run at Box Hill covering 12.5 miles with about 1000 m of ascent across woodland and technical climbs, led at a steady group pace by an experienced guide.
10 hour, 10 lap endurance event at Denbies Wine Estate on 2 May 2027 with roughly 3, 4 and 5 mile loops, finishers shirt, medal, feed, photos and live tracking.
A seven hour time challenge along the River Thames in Staines offering distances from 3 km up to 50 km, with medals, distance pins, goody bags and aid stations.
A 7 hour Time Challenge in Staines offering flexible distances from 3 km to ultra along the River Thames with medals, pins and on-course aid.
Two-day self supported navigation and endurance event for teams of two at Newlands Corner in the Surrey Hills, with basic camping, map based scoring and limited entries.
An inflatable obstacle-course fun run at Stoke Park, Guildford on 8 May 2027 with distances from 2.5k to 15k, music zones and finisher medals.
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