SAN DIEGO, CALIFORNIA: Celebrities and Olympians alike were out in full force this morning for the 15th annual San Diego Rock 'n' Roll marathon and half marathon. U.S. Olympian Meb Keflezighi ended up winning the half marathon in the men's division in 1 hour, 3 minutes and 11 seconds (SI.com); and for the women, Russian runner Alevtina Ivanova took it all in 2 hours, 27 minutes and 44 seconds.  (Running.competitor.com) Congrats to Meb, Alevtina and everyone who participated!

SAN DIEGO, CA – JUNE 03: The start of the 15th annual Rock 'n' Roll Marathon to benefit the Leukemia & Lymphoma Society on Sunday, June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: U.S. Olympian Meb Keflezighi prepares to run before the start of the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

Kate Gosselin poses before the start of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: "Running Elvi" at the 15th annual Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: Kate Gosselin poses before the start of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

  SAN DIEGO, CA – JUNE 03: U.S. Olympian Meb Keflezighi runs in the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: U.S. Olympian Meb Keflezighi wins the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: U.S. Olympian Meb Keflezighi wins the Rock 'n' Roll Half Marathon with a time of 1:03:11 on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: U.S. Olympian Meb Keflezighi celebrates after winning the Rock 'n' Roll Half Marathon with a time of 1:03:11 on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: U.S. Olympian Ryan Hall finishes the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

  U.S. Olympian Ryan Hall speaks with the media after the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

New Zealand Olympian Kim Smith runs in the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

Russian runner Alevtina Ivanova finishes first in the women's division of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

Russian runner Alevtina Ivanova finishes first in the women's division of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: Russian runner Alevtina Ivanova finishes first in the women's division of the Rock 'n' Roll Marathon on Sunday, June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

  SAN DIEGO, CA – JUNE 03: San Diego Mayoral candidate Nathan Fletcher, left, and Dr. Andy Baldwin from ABC's "The Bachelor Season 10" poses with their completion medals at the finish line of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: Congressman Duncan D. Hunter poses with his wife Margaret at the finish line of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: Kate Gosselin celebrates at the finish line her completion of the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: Kate Gosselin celebrates at the finish line her completion of the Rock 'n' Roll Half Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)

SAN DIEGO, CA – JUNE 03: Kate Gosselin and Dr. Andy Baldwin from ABC's "The Bachelor Season 10" at the finish line of the Rock 'n' Roll Marathon on June 3, 2012 in San Diego, California. (Photo by Kent C. Horner/Getty Images)