Mt. Umunhum Ultras
San Jose, CA
- 52 Miler, 50K, Marathon, 30K, Half Marathon, 9 Miler, 10K, 5K
- Trail (Unpaved)
- Official race website
- 52 Miler, 50K, Marathon, 30K, Half Marathon, 9 Miler, 10K, 5K
- Trail (Unpaved)
- Official race website
It is with great excitement that we present the trail running community with an exclusive trail racing event – the Mt. Umunhum Ultras! It’s a trail runner’s dream come true. Join for over 15,000 feet of elevation gain on a 100K, 50 mile, or 50K adventure that will take you …
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Local Historical Weather (Jun 07):
| 2024 | 2023 | 2022 | 2021 | 2020 | |
| H (°F) | 74 | 70 | 74 | 70 | 71 |
| L (°F) | 56 | 58 | 53 | 52 | 51 |
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the Mt. Umunhum Ultras