With the London Olympics fast approaching, we bring you a daily countdown filled with a little nugget of information that corresponds with the daily number. Today’s number? 13!

14 Is The Golden Number For Michael Phelps!

13- The number of women on the U.S. Olympic team that are mothers.

To be an Olympic athlete is a huge feat in itself, but to be an Olympian and a mom is pretty much incredible. Most people have trouble shedding post-baby pounds, but these athletes not only shed the weight, they got back into tip-top shape at a world class level.

Swimmer Katie Ledecky Is The Youngest U.S. Olympian At Age 15

Since her 2008 victory in Beijing, two time volleyball gold medalist Kerri Walsh has given birth to not one, but two children. The proud mama of Joey, 3, and Sundance, 2, had both boys within one year–Irish twins, as she likes to call them. Walsh said that the closeness in age was entirely deliberate, fitting perfectly into the time frame between Olympic years, allowing her plenty of time to get back in shape.

The little tykes will be in the stands in London, as Walsh and her doubles partner Misty May Treanor attempt to win a third consecutive gold medal.

Gold Medal Nail Designs – Send Us Your Photos!

Walsh is part of the P&G “Thank You, Mom” campaign. In the video below, she explains just how much of an impact her own mother has made on her journey, and how she aspires to raise her own children in a similar fashion.