In 175 days · Sun, Apr 25, 2027
Don't let race day sneak up
One email during race week. That's it.
Sunday, April 25th, 2027
22555 Olympiad Rd, Mission Viejo CA
Ultra · 1 Mile · 5K
53–71°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
52–62°F
rain
2025
51–60°F
dry
2024
51–62°F
dry
2023
54–70°F
dry
2022
59–84°F
dry
2021
51–65°F
dry
2020
67–84°F
dry
2019
56–76°F
dry
2018
53–74°F
dry
2017
54–68°F
dry
Best months to race in California →
About this race
Come Enjoy the Beauty of Orange County California
Olympic Distance Triathlon - Relay - Aquabike - Duathlon
Sprint Triathlon - Relay - Aquabike - Duathlon - Aquathlon
Mini Sprint and Kids Triathlon
1500 Meter Swim
5K Run/Walk
Athletes begin their race with a calm swim in Lake Mission Viejo, Bike on paved roads, and run on streets, bike paths, and trails back to Lake Mission Viejo.
Each participant receives a premium souvenir shirt, a finisher medal, and post race refreshments.
Treat yourself to a VIP experience and upgrade your registration with premier parking, premier bike rack location and more!
Course map
Train with a club
Run clubs near Mission Viejo to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.