racecast.ioPartly cloudy throughout the day.
Details
Light Rain
25%
Light Rain
25%
Light Rain
25%
Light Rain
30%
Light Rain
30%
Light Rain
30%
Light Rain
30%
Light Rain
30%
Pre-Race
Race
Post-Race
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Race Overview
The Mt. Umunhum Trail Conquest Winter marathon starts at the Hacienda entrance to Almaden Quicksilver County Park in San Jose, California, and climbs into the Sierra Azul Open Space Preserve to the summit of Mt. Umunhum. Troy's California Trail Runs holds the race each February, with a companion Fall edition on the same course network held in October. The event also offers 50K, 30K, half marathon, 7-mile, 5K, and 1-mile distances on the same day, with the 30K route instead summiting Bald Mountain.
WikipediaFAQ
When is the 2027 Mt. Umunhum Trail Marathon?
The 2027 Mt. Umunhum Trail Marathon will be held on Saturday February 6, 2027.
Is the Mt. Umunhum Trail Marathon a Boston Marathon Qualfier?
No, the Mt. Umunhum Trail Marathon is NOT a Boston Marathon qualifier.
Mt. Umunhum Trail Marathon Course Map
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Mt. Umunhum Trail Marathon Weather History
Mt. Umunhum Trail Marathon Weather Averages
Average Temp: 53°, Average Low: 46°, Average High: 62°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 47° | 50° | 52° | 56° | 58° | 59° | 61° | 60° |
| Feel | 46° | 50° | 52° | 56° | 58° | 59° | 61° | 60° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 4mph | 2mph | 3mph | 5mph | 7mph | 4mph | 6mph | 7mph |
| Dew | 44° | 45° | 46° | 46° | 46° | 47° | 47° | 47° |
| RunScore |  | | |  | | | | |
Mt. Umunhum Trail Marathon 2026
Feb 7, 2026
Clearing in the afternoon.
Low: 48°, High: 65°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  49° | 50° | 53° | 58° | 61° | 62° | 65° | 62° |
| Feel | 49° | 50° | 53° | 58° | 61° | 62° | 65° | 62° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 2mph | 4mph | 4mph | 6mph | 2mph | 5mph | 9mph |
| Dew | 48° | 48° | 50° | 51° | 52° | 51° | 50° | 51° |
| RunScore | | | | | | | | |
Mt. Umunhum Trail Marathon 2025
Feb 1, 2025
Cloudy skies throughout the day with afternoon rain.
Low: 52°, High: 59°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 54° | 54° | 55° | 56° | 56° | 56° |  58° | 58° |
| Feel | 54° | 54° | 55° | 56° | 56° | 56° | 58° | 58° |
| Rain | - | - | - | - | - | light | light | light |
| Wind | 6mph | 3mph | 7mph | 8mph | 9mph | 5mph | 5mph | 5mph |
| Dew | 49° | 49° | 49° | 50° | 50° | 52° | 53° | 54° |
| RunScore | | | | | | |  | |
Mt. Umunhum Trail Marathon 2024
Feb 3, 2024
Partly cloudy throughout the day with rain.
Low: 45°, High: 56°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 46° | 48° | 50° | 53° | 55° | 55° | 56° | 56° |
| Feel | 46° | 48° | 50° | 53° | 55° | 55° | 56° | 56° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 2mph | 3mph | 4mph | 4mph | 5mph | 6mph | 7mph | 8mph |
| Dew | 43° | 44° | 44° | 44° | 43° | 41° | 40° | 41° |
| RunScore | | | | | | | | |
Mt. Umunhum Trail Marathon 2023
Feb 4, 2023
Partly cloudy throughout the day with rain.
Low: 45°, High: 63°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 48° | 51° | 53° | 58° | 62° | 63° | 60° | 58° |
| Feel | 46° | 51° | 53° | 58° | 62° | 63° | 60° | 58° |
| Rain | - | - | - | - | - | - | light | light |
| Wind | 5mph | 4mph | 2mph | 8mph | 13mph | 7mph | 11mph | 7mph |
| Dew | 45° | 47° | 48° | 47° | 48° | 51° | 52° | 54° |
| RunScore | | | | |  | | | |
Mt. Umunhum Trail Marathon 2022
Feb 5, 2022
Partly cloudy throughout the day.
Low: 38°, High: 65°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 40° | 47° | 50° | 55° | 59° | 61° | 64° | 65° |
| Feel | 37° | 47° | 50° | 55° | 59° | 61° | 64° | 65° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 5mph | 0mph | 0mph | 2mph | 2mph | 2mph | 1mph | 4mph |
| Dew | 34° | 36° | 37° | 38° | 39° | 39° | 38° | 39° |
| RunScore | | | | | | | | |