Centurion Hundred Hills 50km

MAR
14
2026
Experience a 50km trail ultra through the Chiltern countryside starting at the historic Stonor Park. This event features two 25km loops with 4000ft of elevation gain and a 9 hour cut off time.
Sat 14 Mar 2026
50 kilometers

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Hundred Hills 50km

The Hundred Hills 50km is a trail ultramarathon held in the Chiltern countryside. Serving as the season opener for Centurion Running, the event is now in its fourth year. The race follows a course consisting of two distinct 25km loops that begin and end at the historic 850 year old Stonor Park.

The route covers a total distance of 50km and includes approximately 4,000 feet of elevation gain. Participants traverse ancient woodland and pass through local villages while running on regional trails. The event has a 9 hour cut-off time.

The available distances for this event are:

  • 50 km

The start and finish area at Stonor Park provides facilities for spectators, including on-site food and drink vendors. The event is open to runners aged 20 and older. Registration typically opens in April of the preceding year and closes in mid-February. Standard entry fees are set at £80.00, with a reduced rate of £78.00 for UKA affiliated runners. The event location is accessible via the address Stonor Park or the what3words locator dwell.sprinkler.corded. Visit the organization's website for the most recent information.

50 km
Hundred Hills 50km