Chalfont Saint Giles
Trail Running Calendar near Chalfont Saint Giles 2026-2027
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.
September 2027
Looped trail options from 10K to approx 100 km around the Chilterns with covered rest stops, GPS tracking and on-site camping at Henley Basecamp.
A technical off road trail race in Marlow on 26 September 2027 through Chiltern woodlands and chalk ridges, with sustainable race practices and chip timing.
October 2027
A guided 30-mile trail run from St Martha's Hill along the North Downs Way to Box Hill, offering group pacing, coaching, and route support for first-time ultra runners.
Run 10K, a half marathon or a junior race through Hampton Court Palace grounds and along the Thames Path with chip timing and free race photos.
A 10 km road race in Wolverton, Milton Keynes on 28 October 2027 with tiered entry fees and registration opening 29 October 2026.
A fully marked single loop 50K trail from Berkhamsted through the Chilterns with three aid stations, required navigation and a nine hour time limit.
Half Marathon and 10K through Richmond Park, with four laps for the half, chip timed results, free photos and on-course support in an autumn woodland setting.
November 2027
Fireworks-themed marathon and half marathon on a lapped lakeside course at Caldecotte Lake with basic support and a finisher's medal.
Point to point Half Marathon along the Grand Union Canal from Cowley to Cassiobury Park, Watford, on towpaths, trails and woodland. Entry from £35.
A four-lap half marathon and 10K through Richmond Park’s woodland and open spaces, with chip timing, free photos and an event village.
A Remembrance Day Time Challenge along the River Thames offering distances from 3 km to ultra with medals, distance pins and on course aid.
Scenic runs across Wimbledon Common offering chip timed Half Marathon and 10k with free photos, finish line goodies and on course water stations.
Trail races through Alexandra Gardens with 10K and half marathon options, chip timing, free photos and support for Brain Research UK.
A November event in Richmond Park offering scenic 10K and Half Marathon routes through traffic free Royal Park with chip timing and sustainability measures.
December 2027
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.
A fully signed 50k trail ultra in the Surrey Hills from Dorking Sports Centre on 5 December 2027, with checkpoints, SportIdent timing and a 10 hour limit.