Orange County Triathlon & Duathlon

Mission Viejo
10% OFF
Sunday, April 26, 2026
Promo Code: racegrader
Register Now!
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Come enjoy the beauty of Orange County California.  Triathletes and Relays begin with a 1500 meter swim in the calm waters of Lake Mission Viejo.  After leaving transition, bike 40 kilometers up and down scenic Santiago Canyon, finish the bike ride just outside of Mission Viejo at transition 2.  From there, you’ll begin your 10K run back to your friends and family at the Lake.  The event also features a Duathlon, which subs out the 1500 meter swim for a 2K run, an aquabike, which skips the run, and a 5K run that starts and finishes at the Lake.

Don’t miss out on these race features:

  • Premium Shirt and Medal
  • Post Race Refreshments
  • Family Friendly Venue with lots of spectating
  • Energetic Finish Line
  • Premium Chip Timing
  • VIP Upgrades

Olympic Triathlon

1500m swim, 40K bike, 10K run

Sprint Triathlon

750m swim, 20K bike, 5K run

Olympic Duathlon

2K run, 40K bike, 10K run

Olympic Relay

1500m swim, 40K bike, 10K run

Sprint Relay

750m swim, 20K bike, 5K run

Olympic Aquabike

1500m swim, 40K bike

Sprint Aquabike

750m swim, 20K bike

5K

Family friendly run/walk

Mini Sprint Triathlon

300m swim, 5K bike, 2.5K run

Kids Triathlon

40m swim, 0.5K bike, 0.5K run