She skipped sailing aboard the Extreme 40 Alinghi in last weekend's Extreme Sailing Series in St Petersburg, Russia. But she will be back aboard as tactician for the next regatta in Wales
Born in England, Tunnicliffe moved to USA at the age of 12, and pursued a promising track career before giving that away in favour of sailing, where she won a Gold Medal in the Womens Singlehander in 2008 and won the Womens Match Racing event at the 2011 ISAF World Championships in Perth. She represented USA in that event at the 2012 Olympics but did not make the medal podium.
CrossFit is becoming increasingly popular amongst sailors as a way of physically preparing for the sport, as it is less monotonous than other physical training processes and better replicates the physical sailing activities on board a racing boat.
This video shows Tunnicliffe competing in the Mid-Atlantic regional competition, and gives some idea of why top sailors are switching to CrossFit to complement their training