These events are swim / run format. There are 2 distances available at each of the 3 events - Main Sprint event - 750m swim & approx 5k run, or the shorter option - Super Sprint consisting of a 400m swim & approx 2.5k run.
Currently Events 1 & 3 are at Hillingdon Sports & Leisure Complex and are 750m/400m swim in the outdoor pool followed by an approx 5k/2.5k run on grass.
At Hillingdon Sports & Leisure complex, the swim is a 'Snake Swim', all swimmers going off at 20" intervals depending on their predicted swim speed to complete 15 lengths for the Sprint and 8 lengths of the pool for the Super Sprint.
The run is an out and back course, giving competitors plenty of opportunity to see the position of their opponents. This also gives your families plenty of opportunities to cheer you on!
Event 2 is at Merchant Taylors School lake & the swim is 750m/400m Open Water, following their established course & the run is an approx 4.6k and 2.3k run, approximately twice around the lake for 4.6km, once for the 2.3k Super Sprint event, again with plenty of opportunities for supporters to cheer you on!.
Entries will close one week before the date of the race (or beforehand if sold out). No late entries allowed.
Why not enter the Series and get yourself a discount and you'll see how much you improve during the season. If entering the races individually then the prices will be £20 for BTF members and £25 for non BTF members.
Please see the website for our refunds policy - https://www.
Also, please check that after 29th August 2023 that you are ULEZ compliant, as events are in the ULEZ expansion zone - ULEZ check
12/06/2025, 19:15
Aquathlon Event 1 - Sprint
12/06/2025, 19:15
Aquathlon Event 1 - Super Sprint
17/07/2025, 19:30
Aquathlon Event 2 - Sprint
The 2nd Aquathlon race for the 2025 Season is at Merchant Taylor School lake, running on the trail/grass around the perimeter of the lake.
17/07/2025, 19:30
Aquathlon Event 2 - Super Sprint
The 2nd Aquathlon race for the 2025 Season is at Merchant Taylor School lake, running on the trail/grass around the perimeter of the lake.
14/08/2025, 19:30
Aquathlon Race 3 - Sprint
14/08/2025, 19:30
Aquathlon Race 3 - Super Sprint