Sunday, July 18, 2027Indianapolis, IN
Heatwave Half Marathon/5K/10K - Indianapolis
4 events
- 1 Mile1 miRoadStarts 7:00 AM
- 5K5KRoadStarts 7:00 AM
- 10K10KRoadStarts 7:00 AM
- Half-MarathonHalfRoadStarts 7:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherHarsh weather · 33/100
- High / low
- 83° / 65°F
- 29° / 19°C
- Humidity
- 77%
- Dew point 67°F
- Chance of rain
- 47%
- Wind
- 7 mph
- Average
- Usually warm for a half marathon: about 72°F while racing.
- Muggy: dew point around 67°F.
- Rain on about 47% 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
- 4% slowerFinish times are typically 4% slower than at other 5Ks.1 year, 97 finishers; men and women compared separately.
- Typical timesFinish times are typical for half marathons.1 year, 77 finishers; men and women compared separately.
- 7% slowerFinish times are typically 7% slower than at other 10Ks.1 year, 74 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half-Marathon · Half | 77 | 2:17:36 | 2:09:10 | 2:21:01 |
| 2026 | Running Buddy Half Marathon · Half | 5 | 1:59:09 | — | — |
| 2026 | 10 K · 10K | 74 | 1:08:48 | 59:26 | 1:14:09 |
| 2026 | 5 K · 5K | 97 | 39:10 | 32:33 | 40:16 |
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.