BestRacesroad · Olympic triathlon · Sprint triathlon · Super sprint triathlon formerly mini sprint · and 7 more
Epic Races' Island Lake Triathlon, Duathlon, Aquabike
| Distances | Olympic triathlon, Sprint triathlon, Super sprint triathlon formerly mini sprint, Olympic aquabike, Sprint duathlon, Olympic relay triathlon, Sprint relay triathlon, Open water timed practice swim 1500M, and 2 more |
| Surface | road |
| USATF certified | No |
| Boston qualifier | No |
From the race's RunSignup listing, last updated August 3, 2026.
Running Epic Races' Island Lake Triathlon, Duathlon, Aquabike for a cause? Set up a free team page — rally your people, point donations straight to your charity.
Giveaways in MI
Win a free entry to 44th Annual Reeds Lake Resolution RunGrand Rapids, MI · free to enter · closes November 29, 2026 at 11:59 PM ESTRace-day weather
What the weather did on June 5 in each of the last 5 years, measured at Whitmore Lake 1nw, 8.2 miles from Brighton.
| Year | High | Low | Rain |
|---|---|---|---|
| 2026 | 86°F | 50°F | none |
| 2025 | 81°F | 55°F | 1.14 in |
| 2024 | 84°F | 64°F | none |
| 2023 | 79°F | 49°F | none |
| 2022 | 71°F | 55°F | none |
Daily highs and lows, not start-line temperatures: most races start in the cool of the morning, closer to the low. Source: NOAA National Centers for Environmental Information, GHCN-Daily.
Stay near Brighton
Hotels and rentals in and around Brighton, MI.
Preset to race weekend, Jun 4 – 6.
Bookings made through this map may earn BestRaces a commission. It has no effect on rankings (how ranking works).
Run this one?
Tell other runners it's worth the entry fee. One tap, no email, no account.
Votes don't affect the ranking. Here's what does →