Medical Lake- Trailblazer Triathlon/Duathlon/5K
Typically 53–74°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
57–82°F
dry
2025
49–72°F
dry
2024
44–70°F
dry
2023
42–62°F
dry
2022
46–61°F
rain
2021
58–82°F
dry
2020
52–77°F
dry
2019
55–68°F
dry
2018
55–76°F
dry
2017
54–80°F
dry
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About this race
The Medical Lake Trailblazer Tri/Du/5k is one of the many things to do in Medical Lake on Founders Day weekend. This is an athlete-friendly race with an out-and-back open water swim, bike, and run on paved roads & trails.
Trailblazer Triathlon
A 350m swim, 10.2mi bike ride, and 2.92 mi run starting and ending at Waterfront Park.
Trailblazer Duathlon
A 1mi run, 10.2mi bike ride, and 2.92 mi run starting and ending at Waterfront Park.
Trailblazer 5k
A traditional 2.92 mi run around Medical Lake Trail starting and ending at Waterfront Park.
Course map
Train with a club
Run clubs near Medical Lake to train with before race day.
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