Tri Goddess Triathlon
About this race
Tri Goddess Tri celebrates women of all abilities, inspiring them to reach new heights of health and set new fitness goals by training for and completing a triathlon. Held just 12 miles west of Chelsea at the Portage Lake Unit of Waterloo State Recreation Area, surrounding our participants in scenery as beautiful and inspiring as themselves.
Tri Goddess Tri features min-sprint, sprint, and Olympic distance events:
All bike distances are on paved roads, rolling hills.
All runs are a mix of road and trail.
See course maps under "Event Details"
Sprint Triathlon — 800-meter lake swim, 10.3-mile bike ride, 3-mile run
Super Sprint Triathlon (Formerly Mini Sprint) — 400-meter lake swim, 10.3-mile bike ride, 1.5-mile
Sprint Duathlon (run bike run) — 1.5-mile run, 10.3-mile bike ride, 3-mile run
Sprint Aquabike (swim-bike)— 800-meter lake swim, 10.3-mile bike ride
Sprint Relay — team up with one or two friends to complete the Sprint Triathlon together
Park Entry
A State Park permit or Recreation Passport is needed to enter Waterloo State Recreation Area. Visit the Michigan Department of Natural Resources' website here for pricing and more information.
Certification
This race is sanctioned by USA Triathlon (USAT) therefore all participants must have an annual membership or purchase a one-day membership. These options will be available during the registration process. The annual membership fee is $50 and the one-day fee is $15. To learn more about USAT visit https://www.teamusa.org/USA-Triathlon/.
To learn more about USAT, USAT membership, USAT rules, and USAT most violated rules, CLICK HERE.
The race director, Eva Solomon, is a USAT Level 2 Certified Race Director. This is the highest level available, she is the only Level 2 USAT Certified race director in Michigan and 1 of only 11 in the country.
Course
Please note that in the interest of safety, all courses are subject to change at any time at the discretion of the race director. You can view all courses here.
Post-Race Party
Goddesses, stick around for post-race food and festivities! Our Epic staff and volunteers will be cooking up pancakes, breakfast burritos, and more for all race participants.
Pick your distance
Triathlon
Sprint Triathlon
800m swim 10.3 mile bike 3 mile run
Super Sprint Triathlon (formerly Mini Sprint)
400m swim 10.3 mile bike 1.5 mile run
Sprint Triathlon Relay
2 or 3 person team covering: 800m swim 10.3 mile bike 3 mile run
Aquabike
Sprint Aquabike
800m swim 10.3 mile bike
Duathlon
Sprint Duathlon
RUN 1.5 MILES BIKE 10.3 MILES RUN 3 MILES
Swimming
Open Water Practice Swim - 800m
Swim open water in a race environment without the pressure of a race! Get the swag and stick around for post-event food and festivities!
Typical race-day weather
Based on 9 years of Open-Meteo archive data for this event's race dates in Grass Lake, plus the 3 days either side.
The sun rises at 6:01 AM and sets at 9:17 PM local time (EDT) in Grass Lake on June 26, 2027 — 15h 15m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Tri Goddess Triathlon
Other races near Grass Lake
Different organizers, within 40 miles, in the next three months
2026 HPWC Orphan Run 4 Hope
Stockbridge Cross Country Invitational
Big Miles for Little Smiles
Corre con Los Muertos - Run with the Dead
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Grass Lake events
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