Hundreds of people raced through Mission Viejo on Sunday, April 26, in a festival of athleticism.
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The annual Orange County Multi-Sport Festival featured several events for beginner and advanced competitors, including an Olympic-length triathlon, a sprint triathlon, a duathlon relay, a 5K and even a triathlon for kids, among others.
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Swimming through Lake Mission Viejo and riding and running through the city’s streets, the athletes covered miles with supporters and curious bystanders cheering them on.
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Two swimmers are neck and neck as they finish off the swimming portion of the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Arielle Cunanan looks back at her family with a smile as she hits the water for the swimming portion of the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Emmanuel Geniz takes off on his bike after completing the swimming segment of the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Six-year-old Hannah Haydon checks out her dad Scott Haydon’s medal he received for completing the OC Tri Series triathlon in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
First aid volunteers take shelter in a tent during a short but heavy downpour at the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Ivan Tkach, an OC Tri Series Olympic distance swimmer, hits the water during the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. Tkach ended up taking first in his division. (Photo by Mindy Schauer, Orange County Register/SCNG)
Jihee Kwag celebrates finishing the OC Tri Series triathlon with Suhee Oh, right, in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Swimmers hit the water during the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Scott Haydon is greeted at the finish line by his wife, Jessica, and children Hannah, 6, and Trevor, 8, after he finishes the OC Tri Series triathlon in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Athletes make a quick change from their swimming clothes to their biking clothes during the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Sam Edman is congratulated at the finish line of the OC Tri Series by his father Dave, and brother Charlie in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Medals await athletes at the finish line of the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Two swimmers end their swim with a kiss during the OC Tri Series triathlon in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Male athletes hit the water during the OC Tri Series event in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
Two swimmers are neck and neck as they finish off the swimming portion of the OC Tri Series in Mission Viejo on Sunday, April 26, 2026. (Photo by Mindy Schauer, Orange County Register/SCNG)
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