mt. shasta tinman triathlon and duathlon
LAST DAY TO REGISTER AUGUST 27
LABOR DAY WEEKEND | august 31 2025 | LAKE SISKIYOU, CA
Triathlon
SWIM
SWIM
SWIM
750 Yards
BIKE
SWIM
SWIM
16.6 Miles
RUn
SWIM
RUn
5K
Duathlon
RUN
BIKE
BIKE
5K
BIKE
BIKE
BIKE
16.6 Miles
RUn
BIKE
RUn
5K
lOCATION AND INFORMATION
Lake Siskiyou Camp Resort
4239 W. A. Barr Road | Mt. Shasta City, CA 96067
REgister for the triathlon or duathlon
-Early Bird-
Until December 31
Individual $116
Relay $156
-Regular Entry-
January 1 to July 15
Individual $141
Relay $211
-Late Entry-
July 16 - August 27 at 2 pm PST
Individual $168
Relay $237
*Duathlon and Triathlon are the same prices
Athlete information
First-timers and Experienced Athletes welcome!
We are also a Collegiate Cup Race.
Collegiate Teams will Race in a separate wave. Times will not compete with regular age divisions.
We are excited to have you back to support a long-time fundraiser for the Dunsmuir Rotary.
We have a beautiful Course and we hope you enjoy it!
We have put together this Guide to help answer any questions.
College athletes
The Mt. Shasta Tinman Triathlon is Designated as a Collegiate Cup Race
Collegiate Teams will Race in a separate wave. Times will not compete with regular age divisions.
An NCAA Emerging Triathlon
Contact us to get your Team registered!
Sponsorship Levels
Show off your Company and products at one of the longest-running and successful Triathlon Events in Northern California. We have a great selection of Sponsorship Levels. You will be seen and you will be supporting your Town.
Volunteer
Sign up to Volunteer to meet friends, camp, have a family reunion weekend, or just show some love to the Athletes.
Jobs from handing out waters, setting up the Course, giving directions and cheering on the Athletes are all available.
First-timers welcome!
Register before august 10: free T-shirt
Our Partners
Events
Saturday AUG 31
Packet pick up and happy hour
4:00 pm - 6:00 pm
Snack Shack at the Beach
Event Details
Saturday AUG 31
Packet pick up and happy hour
Pick up your Race Bibs, check out the Maps and get your Swag, then eat! Food for sale at The Sis Grille and Brew at Lake Siskiyou Camp Resor...
4:00 pm - 6:00 pm
Snack Shack at the Beach
Sunday Race Day
Check-in and body marking
6:00 am - 7:00 am
Transition Area: Beach Parking Lot
Event Details
Sunday Race Day
Check-in and body marking
Note: The parking lot will close at 7 am and you will not be able to leave until after Noon. So plan to stay or drop your gear, then park in...
6:00 am - 7:00 am
Transition Area: Beach Parking Lot
Sunday Race Day
Mandatory Athlete's Meeting
7:30 am
The Beach
Event Details
Sunday Race Day
Mandatory Athlete's Meeting
We will discuss the Course, the Waves, Rules and Safety. Come with any questions you have.
7:30 am
The Beach
Sunday Race Day
race time!
8:00 am
The Beach
Event Details
Sunday Race Day
race time!
The Triathlon and Duathlon begin at the same time, in Waves.
8:00 am
The Beach
Mt. Shatsa Tinman Video
Check out this video that shows you just how much fun you will have!
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Contact us
Contact the Race Director if you have any questions.
USA Triathlon Certified Race Director