Stanford Treeathlon
Registration is now open!
Welcome! The Stanford University Triathlon Team looks forward to hosting this year’s Treeathlon, one of the best collegiate triathlons in Northern California. The race consists of a 750m open-water swim, a 20km bike, and a 5k run.
Our 2026 race will take place on February 14, 2026 and we are excited to welcome you back at Treeathlon. Registration is now open!
