Triathlon Calendar near Castaic 2025-2026

Oct

26

Sunday

Finish The Run Santa Clarita

Valencia | 6 mi from Castaic

Multisport

Finish The Ride and Finish The Run Santa Clarita is a multi-event athletic festival in Valencia, California. The lineup includes a 1K Kids and Puppy Run, 5K Run/Walk, 10K Run/Walk, a 12‑mile Family Ri..

Jun

20

Saturday

Cal Tri Castaic Lake

Castaic

Triathlon

Cal Tri Castaic Lake is a multisport festival held at Castaic Lagoon in northern Los Angeles County, California. The event offers 18 options: 6 Olympic-distance events, 6 sprint-distance events, and 6..