US track and field star Allyson Felix brought home her 12th gold medal at a world championship, breaking her tie with Usain Bolt for the most gold medals at worlds, and securing her first gold medal as a mom.

Felix was part of the winning team, which featured Wilbert London, Courtney Okolo, and Michael Cherry in the first-ever world 4Γ400 mixed relay on Sunday.
βSo special, to have my daughter here watching means the world to me. Itβs been a crazy year for meβ Felix told newsmen.
The quartet finished their race at 3:09.34, setting a world record for the new event.
Just ten months ago, Felix prematurely gave birth to her daughter, Camryn, after enduring a difficult pregnancy where she suffered from severe preeclampsia.