Saturday, July 24, 2027Ann Arbor, MI
Heatwave Half Marathon/5K/10K - Ann Arbor
4 events
- 1 Mile1 miRoadStarts 8:00 AM
- 10K10KRoadStarts 8:00 AM
- 5K5KRoadStarts 8:00 AM
- Half-MarathonHalfRoadStarts 8:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherTough weather · 50/100
- High / low
- 83° / 62°F
- 28° / 17°C
- Humidity
- 72%
- Dew point 62°F
- Chance of rain
- 42%
- Wind
- 8 mph
- Average
- Usually warm for a half marathon: about 70°F while racing.
- Humid: dew point around 62°F.
- Rain on about 42% 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, 76 finishers; men and women compared separately.
- Typical timesFinish times are typical for 5Ks.1 year, 34 finishers; men and women compared separately.
- 6% slowerFinish times are typically 6% slower than at other 10Ks.1 year, 32 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half-Marathon · Half | 76 | 2:12:40 | 2:03:26 | 2:24:56 |
| 2026 | Half-Marathon Relay · Half | 1 | 1:57:38 | — | — |
| 2026 | Running Buddy Half Marathon · Half | 16 | 2:14:48 | 1:59:44 | 2:29:12 |
| 2026 | 10K · 10K | 32 | 1:05:49 | 1:06:12 | 1:05:26 |
| 2026 | 5K · 5K | 34 | 35:04 | 31:20 | 39:29 |
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.