Autumn Time Trial Series
Series details
Dates — 23 Sept, 21 Oct, 25 Nov
Three friendly evening time trials through the Chilterns during autumn 2026.
The Autumn Time Trial Series is a relaxed, low-key way to keep racing through the darker months. Three midweek evenings, three short trail courses to test yourself on.
Each race has a 1-hour rolling start window, routes are marked and chip timed.
£2 discount for affiliated runners applied during registration
Enter Multiple Races
If you want to enter more than one race in the series. Choose any race below to enter, then add the others to your order at checkout - You'll save an extra £2 per race you add.
Key Information
One Wednesday a month, Sep–Nov
Rolling start
8.3km · 148m climb
8km · 118m climb
8km · 200m climb
How it works
Turn up and start any time between 18:30 and 19:30
Run our marked ~8km trail route – go all out or just enjoy it
See how you rank against everyone else
The three races
One evening a month, each on an awesome ~8km trail route.
Race 1 of 3
Race 1 - Hastoe Ridge
Race 1 - Hastoe Ridge
The series opener from Hastoe, just south of Tring. A rolling 8.3km loop on woodland trails, with one honest climb back up to the village.
Route downloads
Route map
Race 2 of 3
Race 2 - The Lee Loop
Race 2 - The Lee Loop
The flattest and fastest of the three, starting from the The Lee Parish Hall. A quick 8km through farmland and woodland trails.
Route downloads
Route map
Race 3 of 3
Race 3 - Ridge Rollercoaster
Race 3 - Ridge Rollercoaster
The series finale and the toughest course – 8km and 200m of climbing out of Bledlow Ridge Village Hall.
Route downloads
Route map
Entry details
Enter the full series with a Series Pass, or enter any of the three races on their own. Runners must be 16 or over on race day.
- Entry to your chosen race(s)
- Chip timing with live results at every round
- Marked course
- Parking, toilets and a warm village hall at every race
- Post-race pizza and refreshments included
