Hauger-Thackery runs Boston Marathon at 22 weeks pregnantHauger-Thackery runs Boston Marathon at 22 weeks pregnantClose10Great Britain’s Calli Hauger-Thackery finished the Boston Marathon in two hours, 43 minutes and 58 seconds while five months pregnant.The runner, who is a European bronze medallist, previously won the Honolulu Marathon when four weeks pregnant and also took the Houston Marathon title one month later.READ MORE: Boston Marathon report