Sunday, August 1, 2027Elk Grove Village, IL
Heatwave Half Marathon/5K/10K - Greater Chicago
4 events
- 5K5KRoadStarts 8:00 AM
- 10K10KRoadStarts 8:00 AM
- 1 Mile1 miRoadStarts 8:00 AM
- Half-MarathonHalfRoadStarts 8:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherTough weather · 46/100
- High / low
- 84° / 64°F
- 29° / 18°C
- Humidity
- 72%
- Dew point 64°F
- Chance of rain
- 39%
- Wind
- 8 mph
- Average
- Usually warm for a half marathon: about 71°F while racing.
- Humid: dew point around 64°F.
- Rain on about 39% of days around this date.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- Typical timesFinish times are typical for half marathons.1 year, 254 finishers; men and women compared separately.
- Typical timesFinish times are typical for 5Ks.1 year, 98 finishers; men and women compared separately.
- Typical timesFinish times are typical for 10Ks.1 year, 81 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half-Marathon · Half | 254 | 2:12:32 | 2:04:47 | 2:19:47 |
| 2026 | Half-Marathon Relay · Half | 9 | 2:24:59 | — | 2:25:00 |
| 2026 | Running Buddy Half Marathon · Half | 3 | 2:18:05 | — | — |
| 2026 | 10K · 10K | 81 | 1:02:15 | 59:32 | 1:10:22 |
| 2026 | 5K · 5K | 98 | 33:56 | 32:56 | 37:00 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.