Registration is NOW OPEN for all 2019 GMS Queen City Marathon race events! Race weekend is September 6th, 7th, and 8th in Regina, Saskatchewan, Canada. The GMS Queen City Marathon 42.2K race is a certified qualifying event for the Boston Marathon. Athletics Canada certification code SK-2015-018b-DRY. With 9 different events from which to choose, there is "a race for every pace" during…