Mainly Marathons Northwest Series Days 3 & 4 (WA)
Clarkston, WA
Sep 25–26, 2023 (2024 TBD)
- 50K, Marathon, Half Marathon, 10K, 5K
- Road (Paved)
- Official race website

Mainly Marathons Northwest Series – Days 3 & 4 (WA) takes place at the Conference Center in Clarkston with an out and back (2.2 miles total) on the Greenbelt Walkway. The course is paved, with some hills. Number of Laps: 6 for half marathon, 12 for marathon (subject to change).
Local Historical Weather (Sep 25):
2023 | 2022 | 2021 | 2020 | 2019 | |
H (°F) | 87 | 83 | 88 | 68 | 72 |
L (°F) | 55 | 52 | 55 | 49 | 56 |
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