Marlow close

Trail Running Calendar near Marlow 2026-2027

Header image

Explore the top trail runs near Marlow for 2026-2027! We've gathered 233 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

April 2027
Windsor 50 offers supported looped trail routes of 50 km, 25 km and 10 km from Windsor Racecourse through the Great Park, Thames Path and Runnymede.
Guided 42.2 km trail marathon through the Chiltern Hills with run leaders, checkpoints, and a wooden finisher’s medal.
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.
Trail 10 km and a two-lap half marathon from Dummer Down Farm with brewery finish, medal, pint cup and a free drink; canicross and camping options available.
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 event in St Albans on a 2.5 km lap with distances from 2.5K to 15K, medals, music zones, and on-site facilities.
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.
May 2027
A 100 mile continuous trail race from Richmond to Oxford along the Thames Path, marked course with 13 aid stations and a 30 hour time limit.
Guided 30-mile trail run near Guildford using parts of the North Downs Way and Greensand Way, group-paced with summit climbs and a recommended 22-mile training background.
Rapid Relays at Culden Faw Estate on 2 May 2027 offers 4 km loop relay racing for solo runners, pairs and teams amid woodland and Chilterns views.
Two-day self-supported navigation challenge in the Surrey Hills for teams of two, with camping at Newlands Corner and a points-based course across both days.
An inflatable obstacle course event in Guildford on 8 May 2027 offering 2.5k to 15k lap distances, music zones, finisher medals and family friendly entries.
A one-day 30 km trail run in the Chiltern Hills from Tring with guided technique instruction, checkpoint support, bag storage and a finisher's medal.
A chip timed 5 km and 10 km road and trail race at Haddenham Community Junior School on 9 May 2027 with early bird entries and optional event T shirts.
Two days of obstacle racing in Henley-on-Thames with Sprint 5 km, Super 10 km, Beast 21 km and kids races along the riverside.
A 50 mile point-to-point trail race on the North Downs Way from Farnham to Knockholt Pound with 5,600 ft of climb, six aid stations and a 13 hour cut-off.
Experience London's energetic Hackney Moves Festival featuring a half marathon on closed roads, a sunset 10K, and a community festival at Hackney Marshes.
A weekend of waymarked trail runs and walks at Mapledurham House near Reading, featuring ultras, a half marathon and supported marathon-length walks.
A 50 km multi terrain ultra in Maidenhead along the Thames Path, Jubilee River and Green Way with chip timing, four aid stations, live tracking and a cut off of 8 hours 57 minutes.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.