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20Sep2026
Philadelphia Distance Run
One of the US's oldest half marathons, on the Schuylkill
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27Sep2026
Chicago Half Marathon
Along Lake Michigan's flat downtown lakefront
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4Oct2026
Crawlin' Crab Half Marathon
Named a 'must run' half by Runner's World
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11Oct2026
Chicago Marathon
A pancake-flat Major through 29 Chicago neighbourhoods
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11Oct2026
Empire State Half Marathon & 5k
Flat lakeside loops billed as the fastest half on the East Coast
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Oct2026
Mohawk Hudson River Marathon
Flat, fast, point-to-point along the Mohawk-Hudson trail
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11Oct2026
The Original Las Vegas Marathon
Boston Qualifier along a flat Las Vegas bike path course
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18Oct2026
Baystate Marathon
18th-highest Boston-qualifying rate nationally
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18Oct2026
Columbus Marathon
Every mile dedicated to a children's hospital patient
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18Oct2026
Des Moines Marathon
Loops past Drake University and Gray's Lake
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8Nov2026
Silver Strand Half Marathon
Along Coronado's Silver Strand between bay and ocean
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6Dec2026
California International Marathon
Net downhill Sacramento classic built for fast times
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12Dec2026
Rocket City Marathon
A fast, flat Boston Qualifier through Huntsville
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17Jan2027
Houston Marathon
Fast flat January classic through the Bayou City
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21Feb2027
Galveston Marathon
Boston-qualifying miles along Galveston Gulf Coast waterfront
More collections in the United States
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This list is edited by RunCalendar and updated as the calendar moves. Last updated 20 September 2026.