When: Noon, Sept. 20

Where: Pacific Beach

Info: Like a one-day “Amazing Race.”

More info: E-mail Kevin Keefe at kkeefe@urbandare.com

Web site: urbandare.com

The San Diego Start 5K Heart Walk

When: 7:45 a.m., Sept. 20

Where: War Memorial Building, Balboa Park

Web site: heartwalk.kintera.org

Everyday Heroes 5K Fun Run/Walk

When: 7:30 a.m., Sept. 20

Where: NTC Park, Liberty Station

Info: Benefits San Diego Board of Realtors Ambassadors Foundation

More info: E-mail kathy@kathyloperevents.com

Web site: kathyloperevents.com

Get Moving Encinitas

When: 7 to 9 a.m. (staggered starts), Sept. 21

Where: Magdalena Ecke Family YMCA track, 200 Saxony Road, Encinitas

Info: This event allows participants to pick their own distance. Check-in starts at 6:45 a.m. Run/walk goes until 8:45 a.m. Breakfast, more offered.

More info: Send e-mail to: Shannon Hughes at shughes@ymca.org

Web site: www.ecke.ymca.org/english/pdfs/getmovingencinitas.pdf

12th Running of the Fall Classic 5 Miler

When: 8 a.m., Sept. 21

Where: Sweetwater Summit Park, Bonita

Info: Scenic course on trails.

More info: Write to Steve Taggart at taggrunningevents@yahoo.com or call (520) 820-6447.

Web site: taggrun.com

San Diego Walk 5K for PKD

When: 9 a.m., Sept. 21

Where: Spanish Landing on Harbor Drive

Info: Fundraiser for local Polycystic Kidney Disease chapter. Registration begins at 8 a.m.

More info: Write to sandiegowalk@pkdcure.org

Web site: pkdcure.org