Seaside
Triathlon Calendar near Seaside 2026-2027
Monthly updates for Seaside
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Explore the top triathlons near Seaside for 2026-2027! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
A coastal triathlon in Santa Cruz featuring a 1.2 mile ocean swim, a 56 mile bike along Highway 1 and a flat 13.1 mile run to a beach finish.
The Olympic course combines a 1500m rolling swim from Main Beach to Cowell Beach, a 40K bike along West Cliff Drive and Highway 1 to Davenport, and a 10K run that returns along West Cliff Drive and Swanton Boulevard. Transition rules are strict.
Monthly updates for Seaside
Get new running races (and updates) in your inbox every month.