British Olympian Calli Hauger-Thackery turned heads by lining up at the Boston Marathon while 22 weeks pregnant — her third marathon during this pregnancy. Read on to discover the full story!
At 33, Hauger-Thackery says keeping training gave her purpose during pregnancy. She and husband Nick are expecting a baby boy in August, and she called the April race likely her "last proper race" for a while because her body will need extra recovery.