They invented marathons as a challenge, but some thought one sport was not hard enough. So, they added swimming and cycling.

For those who Tri harder, we suggest the Freya Active Sonic Sports Bra or Shock Absorber’s Ultimate Run Bra to keep you moving no matter the terrain.

Our Top Triathlon Sports Bras

Discover More

New Fitness Trend: Aquathlon

Looking for a new challenge?

Meet Sophie Neal | Triathlon Pro

Sophie's Triathlon top tips.

WomenOnly Triathlon: Cycling Prep

Preparing for your first Triathlon!

Best Sports Bras For Triathlon

Our Top Triathlon Sports Bras!