
TriWalloon
TriWalloon offers a scenic triathlon experience on the pristine waters of Walloon Lake.
Race Date
Jul 18, 2026
Location
Walloon Lake, MI
Quick facts
- Date
- Saturday, July 18, 2026
- Location
- Walloon Lake, Michigan
- Distance
- Half marathon (13.1 mi) + 15.9 Miles, 16 Miles, 18.6 Miles
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
Set against the stunning backdrop of Walloon Lake in Michigan, TriWalloon transforms the picturesque village into a vibrant race venue. This event, which began in 2017 with 120 participants, now consistently sells out with over 350 athletes each year, drawing multisport enthusiasts from across the state.
The course features a 600-meter swim in the clear waters of Walloon Lake, followed by a 12.4-mile out-and-back bike ride along scenic country roads bordering the lake. The race concludes with a two-loop run through Walloon Lake Township, finishing in the park adjacent to Legacy Marina. This well-organized event is designed to welcome everyone, from first-time triathletes to seasoned competitors, making it an ideal destination race for a memorable weekend.
TriWalloon has cultivated a loyal following, becoming a favorite among athletes who appreciate its beautiful setting and inclusive atmosphere. The event offers a fantastic opportunity to combine athletic challenge with the charm of a Michigan lakeside community.
Race-provided description
Welcome to TriWalloon, a triathlon staged in the increasingly popular Walloon Village. The pristine waters of Walloon Lake are located between Petoskey and Boyne City, Michigan and offer a stunning setting for a triathlon. The event consists of a sprint distance triathlon, duathlon, and aquabike. Our races have proven to be a great event for all, from the beginner athlete who wants to attempt their first triathlon, to the seasoned and elite athletes who race every weekend. Relay teams are also encouraged for the triathlon. Male, female and co-ed are welcomed. This event will make for the ideal destination race for all. Come for the race, stay for the weekend! TriWalloon has become a favorite with many multi-sport athletes from around the state. We started in 2017 with 120 athletes. Now, just a few years later we sell out with over 350 athletes registering each year. COURSE DESCRIPTION: 600 Meter triangular swim course starting and finishing at the docks of Legacy Marina. Transition area is right out of the water in the park next to Barrel Back Restaurant. The bike course is a 12.4 mile out-and-back route that follows the country roads along the south side of Walloon Lake. The run is a two-loop course through Walloon Lake Township, with a finish back at the park next to Legacy Marina. Duathlon will start with one loop of the run course, then bike, then finishing with the full, two-loop run course. Aquabike will start with the 600m swim and finish after the bike course. Once again, 100% of the proceeds from this race will go toward the continued work of the inner-city ministry of Bridge Street Ministries. Please visit bsmgr.org for more information about this great mission.
Logistics
Race Day
Saturday, July 18, 2026
Start Time
7:30 AM
Giveaway
T-Shirt
Start Location
4069 M-75, Walloon Lake, MI, 49796
Course Info
Course Type
Point to Point
Terrain
road
Scenery
Lake River
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources
no finisher data yet
no winner time yet
typical high 77°F
Race Day Weather
5-year historical avgStart (Low)
61°
Afternoon (High)
77°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
10 mph
Wind
74%
Humidity
Frequently asked
When is the TriWalloon?
The TriWalloon is held on Saturday, July 18, 2026, starting at 7:30 AM.
Where does the TriWalloon take place?
It takes place in Walloon Lake, Michigan.
What distances does the TriWalloon offer?
The half marathon (13.1 miles), plus 15.9 Miles, 16 Miles, 18.6 Miles.
Is the TriWalloon course flat and good for a PR?
The TriWalloon is a ultra-flat, point to point course.
HalfRuns editorial — independent, no paid placement.
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