Mary Lou Triathlon
- Date Sun 14th June 2026
- Time 8:00AM PDT
- Location Weippe, Idaho
- Price $27.95
- Races 1 race
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Event summary
Get ready for an exhilarating experience at the Mary Lou Triathlon, set to take place on Sunday, June 14, 2026, at the stunning Deyo Reservoir just outside Weippe, Idaho! This vibrant event, previously known as the Bald Mountain Triathlon, has evolved over the years and honors the Deyo Family matriarch with its new name. Athletes will kick off the day with a refreshing 300-yard swim from the sandy beach before transitioning to a thrilling 13-mile mountain bike ride through picturesque forested trails. Runners will then tackle the scenic 2.2-mile trail encircling the reservoir.
Participants can look forward to a seamless race experience with a single transition area and plenty of support along the route. Don’t miss out on packet pickup on Saturday, June 13, from 3:00 PM to 5:30 PM at the Schmidt House, and get ready for an athlete briefing that evening at 5:00 PM. With a start time of 8:00 AM on race day, this event promises to deliver an unforgettable day of competition and camaraderie. Whether you're a seasoned triathlete or a first-timer, the Mary Lou Triathlon is the perfect opportunity to challenge yourself
Participants can look forward to a seamless race experience with a single transition area and plenty of support along the route. Don’t miss out on packet pickup on Saturday, June 13, from 3:00 PM to 5:30 PM at the Schmidt House, and get ready for an athlete briefing that evening at 5:00 PM. With a start time of 8:00 AM on race day, this event promises to deliver an unforgettable day of competition and camaraderie. Whether you're a seasoned triathlete or a first-timer, the Mary Lou Triathlon is the perfect opportunity to challenge yourself
Organiser's Description
June 14, 2026
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.
The race will be located at the Deyo Reservoir outside of Weippe, Idaho. The swim will take place from the sandy beach and traverse 300 yards before transitioning to mountain bike gear and leaving the reservoir along Schmidt Mill Road to 3-mile Road to Fidler Road and then along a forested trail back to 3-mile Road and the reservoir, approximately 13 miles. The run course will be the well-travelled 2.2 mile trail around the reservoir. There will be a single transition area.
Packet pick up:
Saturday, June 13, 3:00 - 5:30pm at the Schmidt House across from Deyo Reservoir
Sunday, June 14, 6:30 - 7:00am at Deyo Reservoir
Athlete briefing: Saturday, June 13, 5:00pm at Schmidt House and Sunday, June 14, 7:30am at Deyo Reservoir
Start time: Sunday, June 14, 8:00 am; Deyo Reservoir
Limited Parking Available
Camping available http://www.weippe.com/deyo/
Safety:
No roads are closed for this race, however there will be traffic control at major intersections. It is your responsibility to yield to traffic. The good news is most of this race is on lightly travelled gravel roads and trails and traffic is minimal in the areas where you will be sharing the road.
Rules:
This is not a USA Triathlon (USAT) sanctioned event and you do not need to have a USAT card to participate, however we will be abiding by USAT rules. https://www.teamusa.org/USA-Triathlon/About/Multisport/Competitive-Rules
We discourage the use of wetsuits for this short swim, however if water temperature is less than 84 degrees they are allowable.
No lifejackets allowed.
Helmets required for the duration of the bike ride.
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.
The race will be located at the Deyo Reservoir outside of Weippe, Idaho. The swim will take place from the sandy beach and traverse 300 yards before transitioning to mountain bike gear and leaving the reservoir along Schmidt Mill Road to 3-mile Road to Fidler Road and then along a forested trail back to 3-mile Road and the reservoir, approximately 13 miles. The run course will be the well-travelled 2.2 mile trail around the reservoir. There will be a single transition area.
Packet pick up:
Saturday, June 13, 3:00 - 5:30pm at the Schmidt House across from Deyo Reservoir
Sunday, June 14, 6:30 - 7:00am at Deyo Reservoir
Athlete briefing: Saturday, June 13, 5:00pm at Schmidt House and Sunday, June 14, 7:30am at Deyo Reservoir
Start time: Sunday, June 14, 8:00 am; Deyo Reservoir
Limited Parking Available
Camping available http://www.weippe.com/deyo/
Safety:
No roads are closed for this race, however there will be traffic control at major intersections. It is your responsibility to yield to traffic. The good news is most of this race is on lightly travelled gravel roads and trails and traffic is minimal in the areas where you will be sharing the road.
Rules:
This is not a USA Triathlon (USAT) sanctioned event and you do not need to have a USAT card to participate, however we will be abiding by USAT rules. https://www.teamusa.org/USA-Triathlon/About/Multisport/Competitive-Rules
We discourage the use of wetsuits for this short swim, however if water temperature is less than 84 degrees they are allowable.
No lifejackets allowed.
Helmets required for the duration of the bike ride.
Races
-
Mary Lou Triathlon
Incl. $2.95 Fee & T-Shirt
Sun 14th June 2026 (8:00AM PDT)
$27.95
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4137 Schmidt Mill Road, Weippe, 83553, ID, United States
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Mary Lou Triathlon
