Triathlons in Michigan
Michigan has 26 upcoming triathlons scheduled for 2026. Most of the calendar falls in the warmer months: 23 of 26 races (88%) take place between May and September, with July (8 events) the busiest month. No single city dominates the calendar. Grand Rapids leads with 4 races, followed by Middleville (2), Brighton (2), and Detroit (2). The remaining 62% of the calendar is spread across smaller cities.
Triathlons by month in Michigan
Jul (8) · Aug (7) · Sep (5) · Jun (2) · Mar (1) · May (1) · Oct (1) · Nov (1)
Showing 24 of 26
Triathlon
Tri Del Sol YMCA
Middleville, MI
Triathlon
Tri Del Sol YMCA
July 22, 2026
Middleville, MI
Triathlon
Pterodactyl Triathlon
Brighton, MI
Triathlon
Pterodactyl Triathlon
July 22, 2026
Brighton, MI
Triathlon
myTEAM TRIUMPH West MI - Tri Millennium Sprint -- Captain & Angel Registration
July 25, 2026
Grand Rapids, MI
Triathlon
TriMillennium Kids Triathlon
Grand Rapids, MI
Triathlon
TriMillennium Kids Triathlon
July 25, 2026
Grand Rapids, MI
Triathlon
2026 Tri Millennium Triathlon - Saturday
Grand Rapids, MI
Triathlon
2026 Tri Millennium Triathlon - Saturday
July 25, 2026
Grand Rapids, MI
Triathlon
myTEAM TRIUMPH West MI - MiTi Tri -- Captain & Angel Registration
August 16, 2026
Grand Rapids, MI
Frequently asked questions
What are the standard triathlon distances?▾
The main distances are Sprint (750m swim, 20K bike, 5K run), Olympic (1.5K swim, 40K bike, 10K run), Half-Ironman/70.3 (1.2mi swim, 56mi bike, 13.1mi run), and full Ironman (2.4mi swim, 112mi bike, 26.2mi run). Browse all distances on RACE.
What do I need for my first triathlon?▾
At minimum you need a swimsuit, goggles, a road or tri bike, helmet, running shoes, and a race belt for your number. Many beginners start with a sprint triathlon, which can be completed in 1-2 hours.
What is the difference between sprint and Olympic triathlon?▾
A sprint triathlon is roughly half the distance of an Olympic triathlon. Sprints typically take 1-1.5 hours while Olympic distance races take 2-3.5 hours. Sprints are ideal for beginners.
How do I qualify for the IRONMAN World Championship?▾
Athletes qualify by earning a slot at an IRONMAN-branded qualifying race. Each full IRONMAN event allocates slots to age group winners. The World Championship is held annually in Kailua-Kona, Hawaii.
What are the biggest triathlons in the US?▾
The SuperTri Chicago Triathlon is the largest single triathlon event with 8,000+ athletes. IRONMAN events in Texas, Florida, Lake Placid, and Arizona draw thousands. Escape From Alcatraz is a bucket-list race. Find them all on RACE.