The 2025 event has concluded.






















Clear conditions throughout the day.
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Mount Diablo provides spectacular views of the San Francisco Bay Area and surrounding valleys. The 4 mile course is relatively flat and fast within Mitchell Canyon. The longer events are mountainous and very scenic. Source
Historical Weather & Results
RunScore

Temp
85°F
Min/Max
61°/85°F
Dew
47°F
Days of Rain
2/12
Wind
11mph
Tap a row for details.
Year | Conditions | Low / High | Rain | Dew | RunScore |
---|---|---|---|---|---|
2024 | ![]() | 60°/ 94° | - | 50° | ![]() |
2023 | ![]() | 58°/ 87° | - | 53° | ![]() |
2022 | ![]() | 63°/ 72° | Light | 55° | ![]() |
2021 | ![]() | 60°/ 81° | - | 54° | ![]() |
2019 | ![]() | 67°/ 92° | - | 57° | ![]() |
2018 | ![]() | 58°/ 79° | - | 51° | ![]() |
2017 | ![]() | 68°/ 103° | - | 54° | ![]() |
2016 | ![]() | 61°/ 82° | - | 52° | ![]() |
2015 | ![]() | 65°/ 83° | Light | 53° | ![]() |
2014 | ![]() | 58°/ 82° | - | 52° | ![]() |
2013 | ![]() | 56°/ 81° | - | 25° | ![]() |
2012 | ![]() | 54°/ 82° | - | 50° | ![]() |