Rattlesnake Lake Triathlon 2025

Event Information

The Rattlesnake Lake Triathlon features a challenging course with a rich natural landscape. The race includes:

• Swim: 1/4 mile in brisk mountain snowmelt
• Bike: 10 miles of off-road biking
• Run: 4 miles of scenic trail running

All entrants receive a custom-designed Rattlesnake Lake Triathlon T-Shirt, coaster, and gel pack. All finishers will get an authentic Rattlesnake Lake Triathlon Medallion. The event is sanctioned by USAT.

Important Dates:

• Pre-Race Safety Briefing: Thursday, August 28, 2025, 5 PM (Live Stream)
• Packet Pickup: Saturday, August 30, 2024, from 4 PM to 5:30 PM at Race Site

Please sign up at least two weeks before the race to guarantee your T-shirt size.

Parking at the Rattlesnake Lake parking lot is free, while parking at the State Parking lot requires a Discovery Pass.

Kid's Splash 'n Dash starts at 10 AM.

For further questions, please contact Race Director Mic Brisbois at 708-668-5488 or [email protected].