The course runs on the Rock Island and Katy Trails, two rail trails that cross right in Windsor. Tree cover keeps the route shaded, and the packed-trail surface is forgiving underfoot. It is a short race by any measure, the kind of morning where you are done before the heat arrives and the town is still quiet.
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Going by the 2025 results, this is a small, friendly field, and the spread of finish times is wide, so this is a mostly recreational race rather than one for club runners.
5K · 2025 results
Top 3: Levi Wilhelm (17:41) · Josh Pritt (19:28) · Colton Robbins (20:26)
The Windsor Septemberfest - Rock Island Run has been held every year since at least 2023. That is as far back as RunSignup's records for this race go, so it may well be older.
Enter a finish time to see where it lands against the most recent 5K results.
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
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Almost certainly not. Half the 5K field finished slower than 38:44, and the last recorded finisher came in around 1:09:41, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.
It is a small race (119 finishers), which is friendlier and less intimidating than a big-city event, though the field thins out. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 5K, that spread matters more than the winner's time.
The 5K winner ran 17:41 while the median finisher took 38:44. That spread points to a broad, mostly recreational field rather than a race dominated by club runners.