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Quicksilver Running Club

Running with mountain lions since 1983

Quicksilver Endurance Runs - 100k & 50k

The 2019 Quicksilver Endurance Runs 100k and 50k will take place on Saturday, May 11, 2019

The QSER Runner's Guide is now officially available! Click HERE or browse through the site menus.

Or, if you prefer to get the whole Runner's Guide in one big PDF, click HERE.

Registrations opened on Thursday, November 8. The 100K filled up in a bit over an hour this year! We have a waitlist and it's likely we'll accept a lot of people from the wait list as we did last year. The 50K is not full (yet).

The two courses will be the same that we've used for the previous two years, and only slightly different than we used for the three years prior to that. However, at this time the fate of the infamous Quicksilver post-race BBQ is up in the air and may not be a feasible option for this year's race. Rest assured though, that we will still have some great food and drinks for you after you finish, and the awesome celebratory atmosphere that you've come to expect from the Quicksilver Running Club. Some of you may not care, and for some of you this may be a deal breaker. We just wanted to be up front about it, as we work through this culinary setback. :-)

The Quicksilver 100K race is a Western States 100 Mile Endurance Run qualifier as well as a UTMB qualifier (4 pts)!

The 100K:

  • 12,000+ Feet of Elevation Gain

  • Western States 100 qualifying race

  • 17-Hour Time Limit (16-Hour Time Limit for Western States qualification)

  • 4 points towards qualifying for the UTMB

  • PA/USATF Ultra Grand Prix Event

The 50K:

  • 6,000+  Feet of Elevation Gain

  • 14-Hour Time Limit

  • PA/USATF Ultra Grand Prix Event 

Plus, great swag and post-race party!

Please, check out this fantastic video about the 2015 Quicksilver 100k that was created by The Ginger Runner:

Quicksilver Running Club of San Jose is a 501(c) (4) nonĀ­profit tax exempt organization

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