Race day is here! · Sat, Aug 15, 2026
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Saturday, August 15th, 2026
7800 Grays Drive, Grosse Ile MI
5K · 1 Mile
67–80°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
67–84°F
dry
2024
64–79°F
dry
2023
65–76°F
rain
2022
66–79°F
dry
2021
60–77°F
dry
2020
69–85°F
rain
2019
64–76°F
rain
2018
69–84°F
dry
2017
68–81°F
dry
2016
72–79°F
rain
Best months to race in Michigan →
Race-day forecast · Saturday, Aug 15
Rain likely · 67–77°F
Saturday, Aug 15starts near 67°F · 62% chance of rain · wind up to 14 mph
About this race
Race Overview
The 24th Annual Simsonian 5K Kick-Off Classic is scheduled for Saturday morning, August 15, 2026. This year's race will be even more exciting as the Sims Run will be celebrating 250 years of independence for the USA and Grosse Ile.
Race Details
- Fun Run/Walk Start Time: 8:30 a.m.
- 5K Race Start Time: 9:00 a.m.
- Dress Code: All runners, walkers, or strollers are encouraged to dress in your best patriotic gear to show your American pride.
Legacy
The Simsonian 5K carries on the legacy of beloved GIHS teacher and coach, Steve Sims, who died unexpectedly in 2003 of a dissecting aortic aneurysm. Sims was the winningest coach in Grosse Ile women’s track & field and women’s basketball. As a teacher, he was instrumental in developing strong, independent young women and men.
Purpose
All proceeds from the run go to the Grosse Ile Educational Foundation Steve Sims Leadership Scholarship, given to outstanding male and female scholar/athletes.
Event Activities
- Commemorative Items: Coveted commemorative T-shirts and a special 250 remembrance.
- Post-Race Celebration: D.J. after race party.
- Competitions: Raffles and medals for age categories three deep.
- Costume Contest: There will be a special prize for best costume!
Join Us!
You won’t want to miss this historic event! 'Cause "that's the Spirit that Made America!"
Location & More Information
Location: 7800 Grays Drive, Grosse Ile, MI
For more details, visit the race website.
Course map
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