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13Dec2026
Honolulu Marathon
One of the largest marathons in the US
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21Feb2027
Gasparilla Distance Classic Race Weekend
Tampa signature race weekend spanning four distinct distances
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7Mar2027
Life Time 305 Half Marathon & 5K
A fast, coastal half through the heart of Miami
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21Mar2027
Shamrock Shuffle
A Chicago tradition runners return to year after year
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3Apr2027
Chi Town Half Marathon & 10K
A flat fast lakefront course along Lake Michigan in Chicago
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3Apr2027
Cooper River Bridge Run
A world class 10K crossing Charlestons iconic Ravenel Bridge
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4Apr2027
Credit Union Cherry Blossom Ten Mile Run
Loops DC's Tidal Basin under the famous cherry blossoms
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Apr2027
Boston 5K
Finishes on the Boston Marathon finish line
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2May2027
Bloomsday
Spokanes iconic 12K tradition drawing thousands each May
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May2027
Broad Street Run
Americas largest 10-mile race, point-to-point through Philadelphia
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May2027
Brooklyn Half Marathon
Run from Prospect Park to the Coney Island boardwalk in Brooklyn
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16May2027
Bay to Breakers
Running since 1912, from the Bay to the Pacific
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Jun2027
Boston 10K
Finishes over the Boston Marathon finish line
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Jul2027
Peachtree Road Race
World's largest 10K, Atlanta's Buckhead to Piedmont Park
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Aug2027
Crim Festival of Races
Historic Flint race festival marking its 50th anniversary
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.