There are a few things Marques Brownlee can't live without. From a RED digital camera and a frisbee to his custom backpack ...

It's 2016, and Jonny Brownlee is exhausted. Metres from the finish line in Triathlon World Series in Mexico, the 26-year-old is in the lead, but the heat and humidity is beginning to take its toll.

It's the sport that fans describe as a mix between netball, AFL and American football, with a frisbee. Ultimate Frisbee, now just called 'Ultimate', started in American colleges in the 1960s. Now it's ...