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Half Marathon Challenge

Our three half marathon races take place over a four-week period this summer, and we’re challenging you to complete them all!

With a total distance of 64km with 1,500m of elevation, you’ll experience some of the best trail running and views in the Chiltern Hills — plus, you’ll earn a special t-shirt!

The races are: Dunstable Downs Half (22nd June), Chiltern Ridge Half (6th July), Hughenden Valley Half (19th July) — Enter all three for just £86 (£80 affiliated)!

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Showing all half marathons in date order

Dunstable Downs Half Marathon

Chiltern Hills Half Marathon

A rugged half marathon along the chalk ridge trails at National Trust's Dunstable Downs Estate.

Date & Time
22nd June 2025, 09:00
Distance
21.2km (450m+)
Location
Bedfordshire
Price
£32
Status

More info

Chiltern Ridge Half Marathon

Half Marathon Chiltern Hills

An epic half marathon along The Ridgeway National Trail between Wendover & Princes Risborough in Buckinghamshire.

Date & Time
6th July 2025, 10:00
Distance
21.2km (526m+)
Location
Wendover
Price
£32
Status

More info

Hughenden Valley Half Marathon

Half Marathon Chiltern Hills

Our half marathon distance is back in 2025! Take on our amazing route around the National Trust's Hughenden Manor and surrounding woodlands.

Date & Time
19th July 2025, 09:00
Distance
Half Marathon (450m+)
Location
High Wycombe
Price
£32
Status

More info

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