Preston Biathlon
Bear River Hot Springs 3696 N 1600 E, Preston, ID, United StatesPreston Idaho Biathlon, Triathlon & Fun Run is for everyone from infants in a stroller to 60 plus! We have a 1 mile, 5K, Biathlon, and Triathlon. Register as an individual or as a team. Held at Bear River Hot Springs in Riverdale Idaho. See their Facebook Page for details.