Trail Running calendar near Eynesbury 2026-2027

A lap-based running challenge at Abberton Reservoir on 20 December 2026. Runners complete repeated 5 km loops on off-road paths, with a free feed station, a medal for all and proceeds supporting Essex Wildlife Trust.

A lakeside Christmas event in Milton Keynes offering marathon and half marathon options with 7½ and 3½ clockwise laps of Caldecotte Lake. Finishers receive a bespoke medal and the event is held under 100 Marathon Club rules.

A 10 km trail run and canicross at Renegade Brewery on the Yattendon Estate. The course is mostly off road with one water refill station and finishers receive a medal, a pint cup with a free drink and a mince pie.

A 7 hour Time Challenge along the River Thames in Staines offering distances from 3 km up to 50 km, medal and goody bag, plus an optional Christmas dinner at The Last Hop.

A traditional 3.5 mile Boxing Day run around Hindhead commons and the Devils Punch Bowl, with Mens, Ladies and a Drinking Run category. All profits support Holy Cross Hospital.

Enjoy a flexible timed event at Grafham Water where you can run any distance from 5km to an ultra marathon. Complete as many laps as you like on a flat course and earn a themed Christmas Gonk medal.

Final round of the four-event Trifarm Winter series: a mainly off-road 10 km on public footpaths and bridleways at Trifarm in Boreham on 27 December 2026.

A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.

A guided 10 km trail run through High Lodge in Thetford Forest with conversational group pacing, varied woodland terrain and basic parking and kit guidance.

A low key multi-lap half and full marathon along the River Thames in Walton on Thames on 28 December 2026. The UKA certified flat towpath course awards medals to all finishers and has limited places.

A winter cross-country event at Butlers Lands Farm featuring water crossings, Roman Walls, fields and footpaths. Distances are 10K and 10 Mile with entry fees from £32 to £35; finish-line refreshments include mulled wine and mince pies.

A challenging 10K trail race on Box Hill with steep climbs, rough trails, a water station at 6 km and a separate children s fun run.

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

An annual New Year five mile cross country in Penshurst village over rolling hills and woodland trails. Open to ages 10 and above with entry fees supporting Hospice in the Weald and awards across junior, local and canicross categories.

Lap-based medal run in St Neots offering distances from 5 km to ultra, a one hour flexible start window and a six hour time limit.

A flexible seven hour time challenge on a signed Thames riverside loop with distances from 3km to 50km, medals, pins and goody bags.

Lap the Thames towpath in Walton-on-Thames with distances from a 5.3 km lap up to ultra plus flexible starts and medal or no medal entry options.

A 43-mile point-to-point ultra from Wendover to Little Venice, combining countryside trails, roads and the Grand Union Canal towpath, with GPS tracking, five checkpoints and mandatory kit requirements.

Trail running at Newlands Corner near Guildford on 9 January 2027 with 10 km and 15 km options and published entry fees.

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.