Berkeley Lab
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Berkeley Lab Annual Runaround

Bringing together the Lab community since 1978

Plan Your 2025 Runaround

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This year’s course begins at Building 55 (green star) and ends in the parking lot of Building 90 (red star).

It is designed to be 2 miles long.

See larger course map here

Lab hill site roads will be closed from 11:00 a.m. to approximately 1:30 p.m. 

  • This includes Lab shuttles, which will turn around at B65 during this time.
  • Parking lots along the race course will begin to be closed for entry and exit at approximately 10:45 a.m.
  • If you plan to be on the hill site on October 17, make note of these closures and plan accordingly.

Starting Line @ Building 55

  • 11:30 a.m.: Stretching with the Lab Ergo team
  • 11:40 a.m.: Cyclists, runners, and walkers are encouraged to begin congregating on Alvarez Road in front of B55 
  • 11:45 a.m.: Bike-Around riders will be released to ride the course
  • 11:55 a.m.: Runaround volunteers give instructions, and Director Witherell provides opening remarks
  • 12:00 p.m.: Director sends off all runners and walkers

Finish Line @ Building 90

  • The finish line will be on the west side of B90 close to Flexlab.
  • This is a great spot to cheer on participants as they cross the finish line.
  • Water, snacks, and 2025 Runaround t-shirts will be available to participants.

Finish Line Festival @ Building 90

  • B90 will also be home to the Finish Line Festival from 11:00 a.m. to 2:00 p.m. 
  • The Festival is open to the entire Lab community and is a great place to cheer on participants as they cross the finish line.
  • Check out all the details here.

Potter Street Yoga class

  • Come to the 717 Potter Street atrium for yoga from 11:30 a.m. to 12:15 p.m.
  • Participants will be able to collect their Runaround shirts after class

How do I get one of those cool Runaround t-shirts?

Register for the Runaround by Thursday, October 16, and then participate in person or virtually in a Runaround activity on Friday, October 17.