

Mary Lou Triathlon 2027
- Date
- Sunday, June 13, 2027
- Start time
- 8:00 AM start (Los Angeles)
- Location
- Weippe, Idaho
- Entry fee
- From $25
- 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 |
|---|---|---|---|---|
| Mary Lou Team Triathlon | TriathlonRelay or teamOpen water swim | Jun 13, 20278:00 AM | $25 | – |
| Mary Lou Triathlon | TriathlonOpen water swim | Jun 13, 20278:00 AM | $25 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- $25 until Jun 12.
Online registration closes Jun 12, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 4:50 AM, and the Mary Lou Team Triathlon starts at 8:00 AM.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
4137 Schmidt Mill Road, Weippe, ID 83553
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All results (2 years)Mary Lou Triathlon
Mary Lou Team Triathlon
Aggregated from official results (Competitive Timing) for Mary Lou Triathlon. Individual finisher names are not stored here.
How fast do you need to be at Mary Lou Triathlon?
At the 2026 Mary Lou Triathlon, the fastest tenth finished in 1:29:52 or better, the top quarter in 1:37:42, and half the field in 1:48:33; the last tenth came in after 1:57:17.
At the 2026 Mary Lou Team Triathlon, the fastest tenth finished in 1:37:44 or better, the top quarter in 1:45:02, and half the field in 1:57:12; the last tenth came in after 1:59:45.
What would my time get me?
Where a finish time would have placed in 2026.
Finishers by year
Up 33 percent since 2025.
All events combined, from official results.
Mary Lou Triathlon Triathlon year by year
From 2025 to 2026, the field went from 11 to 17 finishers, and the median time rose from 1:30:28 to 1:48:33.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 17 (+55%) | 1:48:33 | under 1:29:52 | 1:24:55 |
| 2025 | 11 | 1:30:28 | under 1:22:31 | 1:20:47 |
From each year's official results for the Triathlon; virtual options are left out.
Race details
- Where
- 4137 Schmidt Mill Road, Weippe, ID 83553Map
- Course
- Road
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- Triathlon
- Editions
- 2027 (Jun 13, 2027), 2026 (Jun 14, 2026), 2025 (Jun 22, 2025)
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Plan your race
Quick answers
- When is Mary Lou Triathlon?
- Sunday, June 13, 2027, starting at 8:00 AM.
- How much does it cost?
- Entry starts at $25 before processing fees.
- When does registration close?
- Online registration closes Jun 12, 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?
- Triathlon.
- How big is it, and how fast?
- In 2026, 17 athletes finished the Mary Lou Triathlon; the median finish was 1:48:33 and the winner finished in 1:24:55.
- Where does it start?
- 4137 Schmidt Mill Road, Weippe, ID 83553.
From the organizers
June 13, 2027
This race was previously named the Bald Mountain Triathlon, and was held at Bald Mountain Ski Area in 2020, but moved to Deyo Reservoir for 2021 and 2022 and was renamed in honor of the Deyo Family matriarch in 2023.