| Date | Race |
| 15/05/2025, 18:00 | Duathlon - Hillingdon Triathletes Duathlon Sprint - Race 1 |
| 03/07/2025, 18:00 | Duathlon - Hillingdon Triathletes Duathlon Sprint - Event 2 |
| 31/07/2025, 18:00 | Duathlon - Hillingdon Triathletes Duathlon Sprint - Event 3 |
| 12/10/2025, 08:30 | Duathlon - Hillingdon Triathletes Duathlon Sprint - Event 4 |
About This Race Series
Our Duathlons are cheaper when entered as a series! Plus you get entered into the series competition for prizes at the end of the year at our glamorous awards evening!