Goose pimples and slippery conditions at the BallBuster
Veteran age-grouper Mark Kleanthous returns to the famously tough duathlon on Box Hill
![Goose pimples and slippery conditions at the BallBuster](https://www.220triathlon.com/wp-content/uploads/sites/4/2020/05/13069-feb0141.jpg?w=825)
Mark Kleanthous
Veteran age-grouper Mark Kleanthous returns to the famously tough duathlon on Box Hill
From entry by self-addressed envelopes to duathletes riding fixies, we compare how this tough duathlon has changed since 1990
Veteran coach Mark Kleanthous remembers the 1990 edition of this fearsome duathlon, and shares his advice for this weekend
Triathlon coach Mark Kleanthous goes in search of a big challenge for his 37th Ironman race – and gets some massive waves