Thousand Oaks
Triathlon Calendar near Thousand Oaks 2026-2027
Monthly updates for Thousand Oaks
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Thousand Oaks for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.
May 2027
A multi-option triathlon event in Ventura on May 2, 2027, offering twelve sprint and Olympic format races at Harbor Cove Beach.
June 2027
Multi-event triathlon day at Castaic Lake on June 19, 2027 offering 12 options, from 400-yard swims and 5K runs to Olympic distance triathlons.
August 2027
Beachside event in Playa Del Rey offering 13K, 5K, kids runs, virtual races, a 14 Mile bike ride and duathlon options while fundraising for Evelyn’s BFF.
Monthly updates for Thousand Oaks
Get new running races (and updates) in your inbox every month.