Introducing: The San Diego Mammoth Challenge**!
If you ran the San Diego Half Marathon on March 10, 2013, then there is still time to register for the Inaugural Mammoth Half Marathon on June 23, 2013! You will receive the first-ever San Diego Mammoth Challenge medal and more!
**Note: By registering separately for both races in the same calendar year, you will automatically be entered into the San Diego Mammoth Challenge.
Train Like An Olympian
Elite runners, including current and former Olympians, take advantage of training with Mammoth’s picturesque scenery and high altitude to prepare for their season. By running both half marathons, you will literally be following in the footsteps of world-class elite runners!
Discover Mammoth
The Town of Mammoth Lakes is located in the heart of California’s Eastern Sierra Nevada mountain range, located 325 miles north of Los Angeles, about the same distance east of San Francisco and only about 164 miles south of Reno, NV. The town is only 45 minutes from Yosemite National Park. Mammoth Lakes is home to one of the country’s top ski and snowboarding resorts in the winter, and serves as an equally beautiful summer vacation destination. Click here to learn more.
VISIT SAN DIEGO
Run in one of the most beautiful cities in the world! San Diego boasts over 70 miles of beaches, an average daily temperature of 70.5 degrees and world-class attractions such as SeaWorld, San Diego Zoo and Safari Park and Legoland California! Click here to learn more.



