HAGG Lake Triathlon

JUN
20-21
2026
Experience one of the oldest and most scenic multisport festivals in the nation featuring triathlons, trail runs, and off road events at beautiful Hagg Lake.
20-21 Jun 2026
Trail 5k Trail Half Marathon Olympic Triathlon Sprint Triathlon off-Road Trail Triathlon

Always double-check with the organizer's website! This page may contain affiliate links.

HAGG Lake Triathlon & Multi-Sports Festival

The HAGG Lake Triathlon & Multi-Sports Festival is a long-standing endurance event held in Gaston, Oregon. Historically established shortly after the birth of modern triathlon, this event takes place at Scoggins Valley Park. The venue is characterized by its scenic environment and a course that features rolling hills on both the cycling and running segments. The festival attracts upwards of 700 athletes and offers a variety of multisport and trail running options.

The event features a wide range of distances and formats:

  • Olympic Triathlon, Duathlon, AquaBike, and Paddle Tri
  • Sprint Triathlon, Duathlon, AquaBike, and Paddle Tri
  • Off-Road Trail Triathlon, Duathlon, AquaBike, and Paddle Tri
  • Trail Half Marathon
  • Trail 5K
  • Virtual MultiSport and Trail options

Most events are available for both individual participants and relay teams. The trail running events and off-road multisport options are held on the second day of the festival. In addition to the competitive events, the festival provides a camping option for participants staying at the venue. Visit the organization's website for the most recent information.

Half Marathon
Trail Half Marathon
5 km
Trail 5k
Olympic Triathlon
Sprint Triathlon
off-Road Trail Triathlon