Triathlon’s fastest couple Jodie Swallow and James Cunnama are kicking off their 2016 triathlon season at Ironman 70.3 South Africa this Sunday, seeking to repeat their double victory in 2014. The Brit-turned-local Swallow stands undefeated at this race, having won five out of five starts by leading from gunstart to finish. She seeks to extend the streak even further, especially since her 2015 season had been interrupted mid-year by chronic fatigue