Stanford Treeathlon
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 registration will open December 1, 2025. We are excited to welcome you back and will be sharing more information here shortly - stay tuned!
