Join us for an exhilarating Endurance Weekend in the stunning Chiltern Hills!  

Whether you seek a weekend of endurance, picturesque sights, or a chance to bond with fellow athletes, this is your opportunity! Unwind, challenge yourself, and create lasting memories in the heart of the Chilterns, with activities for the whole family, including bike and run races for the youngsters around the event village.

This event is delivered in partnership with Chiltern Velo cafe, the start and finish point for all the sportif bike rides.

Swim, Bike or Run - the choice is yours - do as little or as much as you like before retiring to the event campsite and enjoying the onsite entertainment with live music and the Worlds biggest mobile bar (alledgedly!)

Friday 21st June
6pm - 3.8km, 1.9km, 1500m, or 750m timed swim at Merchant Taylors Lake

Saturday 22nd June
7-10am - Open-water Swim at Merchant Taylors Lake
8:30am - 90km or 180km Cycle Sportif with a mixture of rolling roads and fast, flat sections, its a great opportunity for a fast ride
1pm - 5km Trail Race
2:30pm - Children's Run and Bike races - taking place at the event village
5pm - 10km Evening Trail race.

Sunday 23rd June
7-10am - Open-water Swim at Merchant Taylors Lake
8am - Chiltern100 Sportif - with three distances to choose from 160km, 100km and 60km, tackling the classic climbs that the Chilterns is famous for.
10am - Marathon/Half-Marathon Trail Race

Take part in our Half or Full Endurance weekend challenge (Friday night swim, Saturday Bike, Sunday Run) to earn a special Chiltern Endurance Weekend Medal and a Zone3 Transition bag.