Mission Viejo close

Triathlon Calendar near Mission Viejo 2026-2027

Header image

Explore the top triathlons near Mission Viejo for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.

November 2026
Nov
1
Su

Cal Tri Newport Dunes

Triathlon Duathlon Aquathlon Multisport Sprint 400 m 5 km Olympic 0.93 mi 10 km Sprint 400 m 9 mi Sprint 5 13 5 km
A multisport race day at Newport Dunes offering twelve sprint and Olympic events, held at the same site since 1978 and serving as the Cal Tri Events National Championship.
April 2027
Apr
11
Su

Cal Tri Lake Perris

Triathlon Sprint 5 15 5 km Olympic 5 39 10 km
A multi format triathlon event at Lake Perris offering six Olympic and six Sprint race options plus standalone 5K and 10K runs.
Apr
25
Su

Orange County Multi-Sport Festival

Multisport MINI SPRINT TRIATHLON 300 m 5 2.5 km Sprint 750 m 20 km Sprint 750 m 20 5 km Olympic 1500 m 40 km
A multisport festival at Lake Mission Viejo on April 25, 2027 offering triathlon, duathlon, aquabike, a 5K, mini sprint and kids races with USAT sanctioning.
Monthly updates for Mission Viejo

Get new running races (and updates) in your inbox every month.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.