racecast.io

Miwok 100K

Stinson Beach, CA, USA

Partly cloudy throughout the day.

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Details
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Wind
12mph
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Wind
14mph
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Wind
14mph
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Wind
15mph
Gusting to
28mph
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Wind
14mph
Gusting to
27mph
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8
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Pre-Race
Race
Post-Race
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Race Overview

The Miwok 100K Trail Race is a 62.2 miles (100.1 km) long ultramarathon that takes place annually in southern Marin County, California, typically on the first Saturday of May.

The race starts and ends in the town of Stinson Beach. Almost all of the course is on fire roads and single-track trails, first to the south of Stinson Beach and then to the north. Runners climb a total of approximately 11,800 feet (3,600 m).
Wikipedia

FAQ

When is the 2026 Miwok 100K?

The 2026 Miwok 100K will be held on Saturday May 2, 2026.

What is the time limit for the Miwok 100K?

The time limit for the Miwok 100K is 15.5 hours.

Miwok 100K Weather History

Miwok 100K Weather Averages

Average Temp: 55°, Average Low: 51°, Average High: 61°
Time5AM6AM7AM8AM9AM10AM11AM12PM1PM2PM3PM4PM5PM6PM7PM8PM
Temp
53°
53°
53°
55°
55°
55°
56°
57°
58°
59°
60°
60°
59°
58°
56°
54°
Feel53°53°53°55°55°55°54°55°57°59°60°60°59°58°56°54°
Rain----------------
Wind8mph
8mph
8mph
8mph
12mph
12mph
13mph
14mph
13mph
15mph
16mph
18mph
18mph
17mph
14mph
13mph
Dew51°51°52°52°51°50°50°49°49°48°47°46°46°45°44°44°
RunScoreRun Score: 8Run Score: 8Run Score: 7Run Score: 8Run Score: 7Run Score: 6Run Score: 7Run Score: 6Run Score: 7Run Score: 6Run Score: 7Run Score: 7Run Score: 6Run Score: 7Run Score: 7Run Score: 8

Miwok 100K 2025

May 3, 2025
Partly cloudy throughout the day.
Low: 51°, High: 64°
Time5AM6AM7AM8AM9AM10AM11AM12PM1PM2PM3PM4PM5PM6PM7PM8PM
Temp
partly-cloudy-night 52°
partly-cloudy-night 52°
partly-cloudy-day 52°
partly-cloudy-day 53°
partly-cloudy-day 56°
partly-cloudy-day 59°
cloudy 59°
partly-cloudy-day 61°
partly-cloudy-day 63°
partly-cloudy-day 64°
partly-cloudy-day 64°
partly-cloudy-day 64°
partly-cloudy-day 62°
partly-cloudy-day 60°
partly-cloudy-day 58°
partly-cloudy-day 55°
Feel52°52°52°53°56°59°59°61°63°64°64°64°62°60°58°55°
Rain----------------
Wind12mph
13mph
12mph
9mph
9mph
9mph
16mph
17mph
15mph
20mph
18mph
22mph
22mph
23mph
19mph
17mph
Dew51°51°50°51°50°49°49°49°49°48°47°47°46°46°45°45°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 7Run Score: 6Run Score: 7Run Score: 6Run Score: 7Run Score: 6Run Score: 6Run Score: 6Run Score: 6Run Score: 6

Miwok 100K 2024

May 4, 2024
Partly cloudy throughout the day with rain in the morning and afternoon.
Low: 49°, High: 56°, Heavy Rain
Time5AM6AM7AM8AM9AM10AM11AM12PM1PM2PM3PM4PM5PM6PM7PM8PM
Temp
cloudy 54°
rain 54°
rain 55°
rain 56°
rain 53°
rain 51°
rain 50°
rain 49°
rain 49°
rain 51°
rain 55°
partly-cloudy-day 56°
partly-cloudy-day 56°
partly-cloudy-day 54°
partly-cloudy-day 53°
partly-cloudy-day 51°
Feel54°54°55°56°53°51°45°44°45°51°55°56°56°54°53°51°
Rain-lightlightlightlightlightlightlightlightlightlight-----
Wind9mph
8mph
8mph
11mph
19mph
20mph
14mph
14mph
11mph
11mph
14mph
16mph
18mph
15mph
14mph
13mph
Dew52°53°54°54°51°49°48°47°48°48°46°45°43°42°42°43°
RunScoreRun Score: 9Run Score: 9Run Score: 7Run Score: 6Run Score: 4Run Score: 4Run Score: 5Run Score: 5Run Score: 5Run Score: 6Run Score: 7Run Score: 7Run Score: 6Run Score: 7Run Score: 7Run Score: 7

Miwok 100K 2023

May 6, 2023
Partly cloudy throughout the day with morning rain.
Low: 51°, High: 62°, Light Rain
Time5AM6AM7AM8AM9AM10AM11AM12PM1PM2PM3PM4PM5PM6PM7PM8PM
Temp
cloudy 53°
cloudy 53°
rain 53°
rain 54°
cloudy 56°
rain 56°
rain 59°
cloudy 60°
partly-cloudy-day 62°
partly-cloudy-day 62°
partly-cloudy-day 62°
partly-cloudy-day 61°
partly-cloudy-day 60°
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partly-cloudy-day 57°
partly-cloudy-day 55°
Feel53°53°53°54°56°56°59°60°62°62°62°61°60°59°57°55°
Rain--lightlight-lightlight---------
Wind4mph
5mph
6mph
5mph
8mph
7mph
10mph
11mph
12mph
15mph
16mph
15mph
13mph
12mph
10mph
7mph
Dew50°50°51°51°51°52°52°51°50°48°47°47°47°48°47°46°
RunScoreRun Score: 9Run Score: 9Run Score: 7Run Score: 9Run Score: 9Run Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 7Run Score: 7Run Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 9