Chelsea Valach at Whiskeytown Lake at dawn on Sunday, August 16 Chelsea Valach spoke with Shasta Unfiltered about the strong community support on display at the inaugural IRONMAN 70.3 Northern California triathlon, held Sunday, August 16, 2026. She was one of approximately 84 volunteers stationed on the water and on an island at Whiskeytown Lake as spotters for the swim leg, which began in the early morning hours. Valach and many fellow volunteers helped rescue swimmers in di