The Andrew Boy Charlton Biathlon Series is on Thursday nights in the summer at Sydney's Domain & Royal Botanic Gardens, with this week's event on Thursday, 13 December 2018.
The event consists of a 4km run in and around Sydney's Domain & Royal Botanic Gardens, followed by a 300m swim in the Andrew Boy Charlton Pool.
With approximately 1,500 people that participate in the race each year, the series has become a favourite on the Sydney multi sports calendar each year. There are all levels of fitness that participate, from your average Joe (and Jill) Sunday Jogger to your elite athlete.
4km Run + 300m Pool Swim