road · 100 solo 1 person · 100 relay 2 person team · 100 relay 4 person team · and 1 more
2027 Centennial 100
| Distances | 100 solo 1 person, 100 relay 2 person team, 100 relay 4 person team, 100 relay 6 person team |
| Surface | road |
| USATF certified | No |
| Boston qualifier | No |
From the race's RunSignup listing, last updated August 31, 2026.
Running 2027 Centennial 100 for a cause? Set up a free team page — rally your people, point donations straight to your charity.
Race-day weather
What the weather did on June 19 in each of the last 5 years, measured at Monroe, 4.6 miles from Snohomish.
| Year | High | Low | Rain |
|---|---|---|---|
| 2026 | 84°F | 54°F | none |
| 2025 | 69°F | 47°F | none |
| 2024 | 77°F | 46°F | none |
| 2023 | 62°F | 47°F | 0.09 in |
| 2022 | 60°F | 49°F | 0.44 in |
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 Snohomish
Hotels and rentals in and around Snohomish, WA.
Preset to race weekend, Jun 18 – 20.
Bookings made through this map may earn BestRaces a commission. It has no effect on rankings (how ranking works).
Run this one?
Tell other runners it's worth the entry fee. One tap, no email, no account.
Votes don't affect the ranking. Here's what does →