Stone Bridge Half Marathon and 5k
Next date not announced · last held Sat, Sep 26 Roscoe, IL
Marathon5K
Race website & registration Your chances
Where would you finish?
Enter your race pace or connect Strava, and raceIQ compares you with this race's past finishers in your age group and gender.
See your predicted place7th
of ~140
Age group
Finish times
From the 2026 results.
Field strength
5KLocal
Faster up front than 49% of the 5K races we track, based on 473 finishers over 3 editions.
MarathonCompetitive
Faster up front than 80% of the marathon races we track, based on 372 finishers over 3 editions.
Race-morning weather
58°F
Typical 7–9am temperature on race day over the past five years, with a dew point of 50°F. Expect paces about 0.5% slower than in ideal conditions.
Finishers by year
| Year | 5K | Marathon |
|---|---|---|
| 2026 | 196 | 142 |
| 2025 | 159 | 125 |
| 2024 | 118 | 105 |
| 2023 | 88 | 86 |
| 2022 | 59 | 63 |
| 2021 | 68 | 67 |
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