Medical Lake- Trailblazer Triathlon/Duathlon/5K 2027
- Date
- Saturday, June 19, 2027
- Start time
- 1:00 PM start (Los Angeles)
- Location
- Medical Lake, Washington
- Entry fee
- From $55
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Trailblazer 5K | 5K | Jun 19, 20271:00 PM | $25 | – |
| Trailblazer Duathlon | DuathlonRun 1 mi · Bike 10.2 mi · Run 2.9 mi | Jun 19, 20271:00 PM | $55 | – |
| Trailblazer Duathlon Team Relay | DuathlonRun 1 mi · Bike 10.2 mi · Run 2.9 miRelay or team | Jun 19, 20271:00 PM | $75 | – |
| Trailblazer Triathlon | Sprint TriathlonSwim 350 m · Bike 10.2 mi · Run 2.9 miOpen water swim | Jun 19, 20271:00 PM | $55 | – |
| Trailblazer Triathlon Team Relay | Sprint TriathlonSwim 350 m · Bike 10.2 mi · Run 2.9 miRelay or teamOpen water swim | Jun 19, 20271:00 PM | $75 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The swim at Medical Lake- Trailblazer Triathlon/Duathlon/5K
This is an open water swim at Medical Lake (Waterfront Park).
From the organizer's own race information. Venues and rules can change from year to year; the race's current athlete guide decides.
Water temperature and wetsuits at Medical Lake- Trailblazer Triathlon/Duathlon/5K
Around June 19, West Medical Lake typically runs about 64°F at the surface (60 to 71°F across 2011 to 2020). Wetsuits were legal every year at this date.
A model estimate from the USGS lake temperature model (daily surface temperatures for US lakes), not a measurement. Wetsuit cutoffs are USA Triathlon age-group rules. The race's own water temperature reading on race morning decides.
Race day planning
Entry fee schedule
- Trailblazer 5K: $25 until Jun 19.
- Trailblazer Duathlon and Trailblazer Triathlon: $55 until Jun 19.
- Trailblazer Duathlon Team Relay and Trailblazer Triathlon Team Relay: $75 until Jun 19.
Online registration closes Jun 19, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 4:52 AM, and the Trailblazer Duathlon starts at 1:00 PM. The start sits about 2,380 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
1300 S. Lefevre St., Medical Lake, WA 99022
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Where Medical Lake- Trailblazer Triathlon/Duathlon/5K ranks
- No. 11 of 50 on Coldest triathlon swims
- No. 36 of 50 on Cheapest duathlons in the US
National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.
2026 results
All resultsTrailblazer Triathlon
Trailblazer Duathlon
Trailblazer 5K
Aggregated from official results for Medical Lake- Trailblazer Triathlon/Duathlon/5K. Individual finisher names are not stored here.
How fast do you need to be at Medical Lake- Trailblazer Triathlon/Duathlon/5K?
At the 2026 Trailblazer Triathlon, the fastest tenth finished in 1:01:57 or better, the top quarter in 1:07:26, and half the field in 1:16:13; the last tenth came in after 1:37:40.
At the 2026 Trailblazer Duathlon, the fastest tenth finished in 1:18 or better, the top quarter in 1:19, and half the field in 1:22; the last tenth came in after 1:53.
At the 2026 Trailblazer 5K, the fastest tenth finished in 17:46 or better, the top quarter in 19:31, and half the field in 24:57; the last tenth came in after 53:03.
| Age | Women | Men |
|---|---|---|
| Under 20 | n/a | 1:04:22 |
| 20-29 | 1:12:37 | 1:04:11 |
| 30-39 | 1:27:40 | 1:05:18 |
| 40-49 | 1:23:20 | 1:09:35 |
| 50-59 | n/a | 1:09:15 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2026.
How fast is it?
Faster than most US sprint triathlons
The fastest quarter of the 2026 sprint triathlon field finished under 1:07:26, against 1:24:09 in a typical US sprint triathlon, so times here run 20 percent faster.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Typical race-day weather
Around June 19 the day usually runs from 53°F at dawn to 76°F in the afternoon, with measurable rain on about 5% of days. Cold snaps dip to 45°F and hot years reach 84°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 1300 S. Lefevre St., Medical Lake, WA 99022Map
- Course
- Road
- Start elevation
- About 2,380 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- Sprint Triathlon, Duathlon, 5K
- Editions
- 2027 (Jun 19, 2027), 2026 (Jun 20, 2026)
Organize this race? Add details or a correction
Quick answers
- When is Medical Lake- Trailblazer Triathlon/Duathlon/5K?
- Saturday, June 19, 2027, starting at 1:00 PM.
- How much does it cost?
- Entry starts at $55 before processing fees.
- When does registration close?
- Online registration closes Jun 19, 2027, unless the race fills first.
- Do athletes get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances are offered?
- Sprint Triathlon, Duathlon, 5K.
- How big is it, and how fast?
- In 2026, 73 athletes finished the Trailblazer Triathlon; the median finish was 1:16:13 and the winner finished in 56:18.
- Is it a fast course?
- The fastest quarter of the 2026 sprint triathlon field finished under 1:07:26, against 1:24:09 in a typical US sprint triathlon, so times here run 20 percent faster.
- Where does it start?
- 1300 S. Lefevre St., Medical Lake, WA 99022.
From the organizers
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.