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10 Fast and Flat Marathons to Help You Nab a PR (and Maybe BQ)
Runner's World lists 10 fast, flat marathons—including the Houston Marathon, Rotterdam Marathon, and Mesa Marathon—suited to chasing a PR and a Boston qualifier (BQ). Houston has just 61 feet of elevation change, and in 2025 nearly 15 percent of finishers qualified for Boston; Rotterdam's 2026 men's winner ran 2:03:54 and the women's course record is 2:18:56. Most have tight time limits, such as Houston's 6 hours and Rotterdam's 5.5 hours.
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