Santa Cruz Triathlon at the Beach Boardwalk

Formerly named the Santa Cruz Sentinel Triathlon, the Santa Cruz Triathlon is a non-profit event. The race was established in 1982 as the Tin Man Triathlon and is one of the longest-running triathlons in the world. The race was renamed the Sentinel Triathlon — a name people still refer to — and became the Santa Cruz Triathlon when the Santa Cruz Triathlon Association took over the event in 2009. 

The mission of our race has remained the same over the years. The non-profit event raises funds that help support sports programs at a dozen local high schools, UC Santa Cruz, Cabrillo College, the Santa Cruz Track Club and our club. These organizations receive donations from the race and provide volunteers on the course. Everyone’s participation is greatly appreciated!


SWIM (1.5K) A brisk ocean swim around the Santa Cruz Municipal Wharf. Water temperature is usually in the mid 50’s, so wetsuits are strongly recommended.

BIKE (40K) A challenging out-and-back ride via scenic West Cliff Drive and coastal Highway 1. The turnaround is located in the historic coastal town of Davenport.

RUN (10K) A flat and fast out-and-back course along the ocean on beautiful West Cliff Drive.


  • Open Wave/Top 50
  • Age groups male & female:19 and under, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80+
  • Female Athena (over 165 lbs)
  • Male Clydesdale (over 220 lbs)
  • Aquabike (1.5K swim and 40K bike)
  • Relay (men, women & co-ed)


All entrants will receive a racer-exclusive technical fabric T-shirt (men’s and women’s sizes available) and a Santa Cruz Triathlon-branded swim cap (one per relay team). 

Water, sports drinks and energy supplements will be available in transition, and on the bike and run courses.

All finishers will receive an 2016 Santa Cruz Triathlon finisher’s medal, as well as post-race snacks and drinks.