South Bay 24

San Diego, United States • 24-25 Jul 2026

Event Overview

The South Bay 24 is an endurance running event held at Montgomery Waller Community Park in San Diego, California. The 2026 event marks its fifth annual edition.

Course and Distances

The event features a flat, 1.22-mile loop course to be run counter-clockwise. The terrain is a combination of trail (50%), grass (25%), and bike path (25%). Each loop has an elevation gain of 46 feet. Participants can choose from several timed events:

  • 24 Hour
  • 12 Hour Night
  • 12 Hour Day
  • 6 Hour Day
  • Heffty Half Marathon Night (18.3 miles / 15 laps)

Event Features

The event includes a runner campsite area. Registered participants receive a trucker hat and a finisher medal. Runners who complete 100 miles receive a belt buckle. A pancake breakfast is provided on Saturday morning, and a happy hour with beer and seltzers is held on Saturday afternoon. A $1500 purse prize is available for the first runner to reach 125 miles; the current course record is 117 miles.

Logistics

Packet pickup occurs one hour before a runner's scheduled start time at the event. Parking is available in park lots and along Palm Avenue. An on-course aid station operates for the full 24 hours, providing water, electrolyte drinks, and snacks during scheduled windows. Pacers are permitted from 10 AM to 7 PM on Saturday. Visit the organization's website for the most recent information.

Race information

100 mi
24 Hour
12 hr
12 Hour Day
12 hr
12 Hour Night
6 hr
6 Hour Day
18 mi
Heffty Half Marathon Night
Visit the organization's website for the most recent information.
Trail runs nearby

Experience an all terrain 5K trail race at BackCountry Gardens featuring hills, streams, and mud. Enjoy a competitive or fun run followed by a beer mile and wine tasting at San Diego’s only certified sustainable winery.

Trails n Vines Wine Run takes runners through the scenic vineyards of Orfila Winery in Escondido. Choose from 3, 6, or 9-mile trail distances and enjoy wine tastings after the race. Participation is limited to 400 runners.

A memorial marathon in San Diego on May 3, 2026. The event is not a race and offers no official support; participants navigate and support themselves and may register to record a result.

Trail races on Black Mountain in San Diego with 50K, 25K and half marathon distances on rocky, steep single-track and jeep trails, featuring up to about 5,500 feet of elevation gain in the 50K.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.