According to Josh's blog, over 3,000 people attended Saturday's event in Santa Monica, California. Participants were encouraged to donate $10 to run the race and the money went directly to the relief efforts in Haiti.
Dianna is one of many celebs that are using their celebrity for good in the wake of the Haiti Earthquake. Click here to see photos from Friday night's Help For Haiti Now telethon.
Get to know Dianna better with our live photo gallery below.