Friday, June 4, 2027 – Saturday, June 5Martinsville, IN
MoMoFo 100k and 20 mile Fun Run
2 events
- MoMoFo100 km100KUltraStarts 7:00 PM
- MoMoFo 20 mile Fun Run20 miTrailStarts 8:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherTough weather · 46/100
- High / low
- 79° / 60°F
- 26° / 15°C
- Humidity
- 78%
- Dew point 62°F
- Chance of rain
- 45%
- Wind
- 7 mph
- Average
- Usually warm for an ultra: about 71°F while racing.
- Humid: dew point around 62°F.
- Rain on about 45% 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 100Ks.3 years, 66 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | MoMoFo 20 mile Fun Run · 20 mi | 59 | 5:01:37 | 4:57:58 | 5:27:53 |
| 2026 | MoMoFo100 km · 100K | 25 | 15:54:36 | 15:54:10 | — |
| 2025 | MoMoFo 20 mile Fun Run · 20 mi | 57 | 5:03:38 | 5:03:34 | 5:12:23 |
| 2025 | MoMoFo100 km · 100K | 21 | 17:42:43 | 18:22:47 | — |
| 2024 | MoMoFo 20 mile Fun Run · 20 mi | 28 | 4:50:42 | 4:35:49 | 4:50:52 |
| 2024 | MoMoFo100 km · 100K | 20 | 15:19:40 | 15:06:08 | 15:47:55 |
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.