The Optima Children’s Aquathlon is now open for entry. Estimated start time 18:15, first wave will be Tristart. The event is being held at Pools on the Park, Richmond. To enter the race please click HERE, race entry is £18.69 for BTF members and £19.69 for non members. Any questions please follow the email link on the entry page Please note * : The distances for Tristar and Tristar 1 are slightly longer than the swim distance for the age category as set by Triathlon England, this is due to the length of the pool. Maximum swim distance as per the Triathlon England rule book: Tristart - 50 metres, Tristar 1- 150 metres.