| Event Locations: |
|---|
| San Rafael, California |
| Bolinas, California |
| San Francisco, California |
| Sponsor | Name | Date | Runners | Category | Distance | Comment |
| John Lawson Tamalpa Challenge | 01/10/2016 | 107 | Other | 5 km | ||
| John Lawson Tamalpa Challenge | 01/11/2015 | 158 | Other | 4.25 miles | ||
| John Lawson Tamalpa Challenge | 12/10/2014 | 117 | Other | 4.25 miles | ||
| John Lawson Tamalpa Challenge | 29/10/2011 | 339 | Other | 4.25 miles |