06.30.13 Pasadena Marathon Pasadena, CA
On Sunday, June 30, 2013, we will proudly welcome thousands...More Info »

07.04.13 Rosemead 5K Rosemead, CA
The Rosemead 5K is a lovely way to kick off...More Info »

10.13.13 Long Beach International City Bank Marathon Long Beach, CA
Run Southern California's fall marathon & half marathon. Run Long...More Info »

06.23.13 Mammoth Half Marathon & 5K Mammoth Lakes, CA
The Inaugural Mammoth Half Marathon & 5K on June 23,...More Info »

08.17.13 5K Foam Fest- Los Angeles Pomona, CA
Ever run a 5k through a carwash? How about a...More Info »

10.20.13 Spooktacular Half Marathon Los Angeles, CA
Join us for a Spooktacular good time. A Great event...More Info »

09.22.13 Girls on the Go 13.1- 10K/5K Los Angeles, CA
Ladies, start your engines! Put your pedals to the metal...More Info »

09.08.13 Ventura Marathon Ventura, CA
Join Us for the Ventura Marathon, Half Marathon, 5K, and...More Info »

Distance Swim Challenge
(This event already happened)

Sun, Aug 19, 2012 - Venice Beach, CA

The Third Annual OptimisSport Distance Swim Challenge is a unique open-water endurance event on August 19, 2012 bringing together individuals, friends and teams of all ages and skill levels. This year participants swim to raise funds for local charities that promote a healthy and active lifestyle for both children and adults.