BestRacesroad · 2027 outdoor x12-hours endurance run
2027 Outdoor X12 Endurance Run
| Distances | 2027 outdoor x12-hours endurance run |
| Surface | road |
| USATF certified | No |
| Boston qualifier | No |
From the race's RunSignup listing, last updated October 12, 2026.
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Race-day weather
What the weather did on October 2 in each of the last 5 years, measured at Dayton Wright Brothers Airport, 10.8 miles from Dayton.
| Year | High | Low | Rain |
|---|---|---|---|
| 2026 | 74°F | 53°F | 0.22 in |
| 2025 | 81°F | 52°F | none |
| 2024 | 72°F | 51°F | none |
| 2023 | 86°F | 57°F | none |
| 2022 | 69°F | 51°F | none |
Daily highs and lows, not start-line temperatures: most races start in the cool of the morning, closer to the low. Source: NOAA National Centers for Environmental Information, GHCN-Daily.
Stay near Dayton
Hotels and rentals in and around Dayton, OH.
Preset to race weekend, Oct 1 – 3.
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