Swim Course
The Sprint swim course is .25 miles in Donner Lake with two left turns. Corners are marked by large buoys and kayakers and boats are along the course to ensure your safety. The average water temperature of Donner Lake in July is 64 to 69 degrees. Wetsuits are optional. The swim course maps are posted on our Course Maps page.

Bike Course
The bike course takes place on Donner Pass Road between South Shore Drive and Donner Memorial State Park. The entire course is paved. The bike course is open to vehicle traffic. The Sprint Bike Course is approximately 6 miles and is an out and back. Heads east on Donner Pass Road to a turnaround and back to the main venue.

The Sprint Bike Course is open to vehicle traffic.

Run Course
The Sprint run course features a 2 Mile out and back run on South Shore Drive. Triathletes leave the transition area on the South side of the parking lot. You will pass two aid stations while on the run, one as you leave the transition area and the other at the turn around point.

Mount and Dismount Area
At the Donner Lake Triathlon, you are not permitted to ride your bike in the transition area. There is a mount and dismount area outside of the bike start/bike finish tents.

• Race - Triathlon
• Date:
  July 25, 2026
• Add to Calendar:
  
  iCal®
• Frequency:
  1-time event (non-weekly)
• Start Time:
  06:00am
• Level:
  Beginner Intermediate Advanced
• Where:
  Other
• Discount Available:
  Discounts are available for LA Tri Club Members. Login or join here.
• 0 Attendees
• Everyone

• Who:
  Kristina
• Email:
  events@bigblueadventure.com
• Website:
  https://donnerlaketri.com/event-info/sprint-triathlon/