Centaur 100 Mile Ultra

Dorking, United Kingdom • 19-20 Jun 2027

Centaur 100 Mile Ultra

The Centaur 100 Mile Ultra is an off‑road trail event at Denbies Wine Estate in Dorking, Surrey, held on Saturday 19 June 2027. The main distance is 100 miles on a single 1 mile loop around trails within the estate. The loop is described as flat-ish with slight inclines and cambers.

The event runs alongside several other events, so participants will see runners on course throughout. Available options include:

  • 100 mile
  • 12 and 24 hour events
  • 50 mile
  • 75 mile
  • marathons and half marathons

The race is fully chip timed and lap counting is automated, with an on-course aid station that is described as well stocked. Finishers of the 100 mile distance receive a Centaur medal and buckle. Organisers state participants have up to 30 hours to complete the ultra. Places are strictly limited.

The event is offered as an attended on-site run and as a virtual option. UK Athletics distance restrictions apply to participants aged 20 or under; participants should consult the organiser's terms and conditions for details. Entry fees are listed for affiliated and unaffiliated entrants. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile Ultra
75 mi
75 Mile
50 mi
50 Mile
Marathon
Marathon
Half Marathon
Half Marathon
12 Hour
24 Hour
Visit the organization's website for the most recent information.
Trail runs nearby

The Phoenix Running - Slough will take place in Slough on Thursday 9 July 2026. You can run 5 miles.

A 7-hour timed event on 10 July 2026 at Wraysbury Skiff & Punting Club, Egham, offering flexible self-paced laps along the River Thames with medals, goody bags and aid stations.

Phoenix Fridays offers a flexible Friday run with a "rock up and go" start. Choose your distance on a flat, timed 5.3km loop along the Thames towpath. All finishers can pick from a selection of signature medals.

Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.

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