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Marathons in USA

52 upcoming 42 km marathons in USA for 2026 — curated on Run Atlas.

Top marathons in USA
NMTC Fall Series
Mon, Aug 3, 26
🇺🇸 US Duluth
50k, 42.2k, 11k, 10k, 8k, 6k, 5k282m50,000
Hawaii Bird Conservation Marathon
Sun, Dec 20, 26
🇺🇸 US Keauhou
42.2k50,000
Black Hills Veterans March and Marathon
Wed, Sep 16, 26
🇺🇸 US Deadwood
42.2k50,000

Planning a marathon in USA for 2026? Run Atlas lists 52 upcoming 42 km races — from big city events to scenic regional courses.

Whether you are chasing a personal best or your first finish line, comparing dates early helps you secure a start slot and build your training block around the right peak.

Use the calendar below to browse marathons month by month. September 2026 is a busy month in our listings when several races cluster on weekends.

Rain or shine — plan your race day

Calendar of marathons in USA

All upcoming 42 km marathons in USA, grouped by month.

Many runners look for a flagship race in the capital. Washington often hosts the most iconic marathon in USA, but smaller towns offer quieter starts and fast, flat profiles.

Check registration windows as soon as you pick a date — popular spring and autumn weekends fill up months ahead.

World Marathon Majors in USA are highlighted separately — bookmark your favourites on Run Atlas and set a RaceAlert when registration opens.

World Marathon Majors in USA
TCS London Marathon
Sun, Apr 25, 27
🇬🇧 GB London
42.2k50,000
TCS Sydney Marathon
Sun, Aug 30, 26
🇦🇺 AU Sydney
42.2k, 21.1k, 10k, 5k283m32,963–50,000
TCS New York City Marathon
Sun, Nov 1, 26
🇺🇸 US New York
—50,000
BMW Berlin Marathon
Sun, Sep 27, 26
🇩🇪 DE Berlin
42.2k, 5k30m50,000
Bank of America Chicago Marathon
Sun, Oct 11, 26
🇺🇸 US Chicago
42.2k