About
For A Good Koss is a 501(c)(3) organization established to honor Sarah Koss and to ensure that all children have the opportunity to learn in their own unique way. We are excited to host our 4th Let Your Imagination Run 5k & Children's 1k on Sunday, August 30, 2026 at Golden Gate Park in San Francisco. Sarah Koss was an avid and joyful runner, so this fun run is a meaningful way to bring the community together as we celebrate her life on the 10th anniversary of her passing. This event benefits For A Good Koss, and all proceeds will go towards our music scholarships and community education events.
Event Timeline
8 - 8:30 am - Bib pick up
8:30 am - Children’s 1k start
8:45 am - All-ages 5k start
10 - 11 am - Post race celebration (refreshments, prizes, and raffle) at Pioneer Log Cabin Picnic Area
Fees
Before August 2nd:
Children's 1k - $25, All Ages 5k - $40
On or after August 2nd:
Children's 1k - $30, All Ages 5k - $45
15% discount for teams of 4 or more participants.
Awards & Raffle
Prizes will be awarded for the fastest finishers in the All Ages 5K. In addition, all participants will be automatically entered into a raffle for a chance to win a variety of exciting prizes.
The Course
Both the 5k and 1k start and finish at the Pioneer Log Cabin. 
Parking
The Sunday road closure extends up Blue Heron Lake Drive, so there will be no direct access to the start/finish line by vehicle.The closest vehicle access is at the Blue Heron Lake Boathouse. You can park in this area and walk to the Pioneer Log Cabin Picnic Area a few hundred meters away. We encourage San Francisco residents to take public transportation or Lyft/Uber.
A Big Thank You to Our Generous Sponsors
San Francisco Recreation & Parks