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The John Lawson Tamalpa Challenge

Santa Venetia, United States • 12 Oct 2025

The John Lawson Tamalpa Challenge is a cross-country running event held annually at China Camp State Park in San Rafael, California. The 2025 edition features three races, each approximately 4.2 miles long, on a course of mostly rolling single-track trails with a short stretch of asphalt. The event honors John Lawson, a Tamalpa Runner who passed away in 2000. Races are divided by age and gender categories, including separate starts for women under 60, men under 60, and a combined race for men and women aged 60 and above. The race atmosphere is community-focused, with limited parking and a cap on participants to preserve the park's environment. Visit the organization's website for the most recent information.

United States California Santa Venetia

Race information

Registration
4 mi
Combined Women and Men 60+, 70+, And 80+ Race, 4.20 M
4 mi
Men Under 60 Years Old, 4.20 M
4 mi
Women Under 60 Years Old, 4.20 M
Visit the organization's website for the most recent information.
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