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Mary Lou Triathlon

Mary Lou Triathlon is a triathlon race on June 13, 2027 in Weippe, ID, with an entry fee of $25.

Date
June 13, 2027 (325 days to go)
Price
$25
Sport
Triathlon
Register →

From the Organizer

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.

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 12, 3:00 - 5:30pm at the Schmidt House across from Deyo Reservoir

Sunday, June 13, 6:30 - 7:00am at Deyo Reservoir

Athlete briefing: Saturday, June 12, 5:00pm at Schmidt House and Sunday, June 13, 7:30am at Deyo Reservoir

Start time: Sunday, June 13, 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.

 

Youth Triathlon Saturday, June 12 at 6:00 pm at Deyo Reservoir

*Youth Registration*  https://docs.google.com/document/d/1UFJPlsopJjKuylJULo235fi_rlLf866lqlYi8h0RVIE/edit?usp=sharing 

Events

Mary Lou Triathlon$25
Mary Lou Team Triathlon$25

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

78°

Typical Low

50°

Chance of Rain

31%

Based on US Climate Normals data from Kamiah, 10 mi from the venue.

Sunrise 4:51 AMSunset 8:37 PMDaylight 15h 46m

Host City

About Weippe, ID

City Elevation

3,048 ft

Nearest Airport

LWS

Lewiston Nez Perce County Airport · 51 mi

Major Hub

GEG

Spokane International Airport · 114 mi

Time Zone

Pacific Time

From Endurance Grid

Line up lodging and travel early to lock in your race weekend.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Mary Lou Triathlon, put it on the calendar, and turn “someday” into a start date.

325

Days to train

Race
Mary Lou Triathlon
Date
June 13, 2027

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From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.

Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.

Read the Guide

Triathlon

Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think. Three sports in one race means three movements to train and race day never gets monotonous.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to Weippe than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to Weippe
Lodging
Flights
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Activities

Frequently Asked Questions (FAQs)

What is the Mary Lou Triathlon?+
Mary Lou Triathlon is a triathlon race held in Weippe, Idaho on June 13, 2027. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more triathlon races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Mary Lou Triathlon?+
Sunday, June 13, 2027 in Weippe, Idaho at 4137 Schmidt Mill Road. Check the event page for exact start times and wave schedules.
How do I register for the Mary Lou Triathlon?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Mary Lou Triathlon

Jun 13, 2027

Register →