Running Races Calendar 2026-2027: USA & Worldwide
Find your next race: marathon, half marathon, 10K, trail and ultra, all across the US and worldwide
View race calendarLooking for your next race? RunRun lists over 5,000 running events across the US and worldwide: marathons, half marathons, 10Ks, trails and ultras. Filter by distance, date, and state — California, New York, Texas and beyond — to find the race that matches your goal. Once you've picked your race, build your personalized training plan right on RunRun.
Why choose RunRun?
Over 5,000 races listed
Marathons, half marathons, 10Ks, trails, ultras: every major US race plus international majors, updated regularly.
Search by goal
Filter by distance (5K, 10K, half, marathon, trail, ultra), by date, or by state — California, New York, Texas and more. Find the race suited to your level.
From registration to training
Pick your race, set your time goal, and RunRun automatically builds an adapted training plan.
Marquee races for 2026
Boston Marathon (April), Chicago Marathon (October), New York City Marathon (November), Berlin Marathon (September) and many more.
Every distance covered
From a casual 5K to a 100-mile ultra, plus 10K, half marathon, marathon and short trail races. There's a race for every runner.
Practical details
Date, location, distance, elevation, registration link: everything you need to choose your race and sign up in a few clicks.
Must-run races for 2026-2027
Spring 2026 (April - June)
Peak marathon season kicks off nationwide, with the year's first majors and marquee point-to-point courses.
- •Boston Marathon — April 20, 2026
- •Big Sur International Marathon — April 26, 2026
- •Cooper River Bridge Run 10K — April 4, 2026
- •Bolder Boulder 10K — May 25, 2026
- •Grandma's Marathon — June 20, 2026
Summer 2026 (July - August)
Trail and ultra season peaks in the mountains, alongside classic summer road races.
- •Western States 100 — June 27, 2026
- •Peachtree Road Race 10K — July 4, 2026
- •Falmouth Road Race — August 16, 2026
- •Leadville Trail 100 — August 22, 2026
- •Pikes Peak Marathon — August 16, 2026
Autumn 2026 (September - November)
The marquee marathon stretch, headlined by the World Marathon Majors and record fall fields.
- •Berlin Marathon — September 27, 2026
- •Chicago Marathon — October 11, 2026
- •Marine Corps Marathon — October 25, 2026
- •New York City Marathon — November 1, 2026
- •Philadelphia Marathon — November 22, 2026
Winter 2026-2027 (December - March)
Fast winter marathons and early tune-ups for the next racing season.
- •California International Marathon (CIM) — December 6, 2026
- •Walt Disney World Marathon — January 11, 2027
- •Houston Marathon — January 18, 2027
- •Tokyo Marathon — March 7, 2027
- •Boston Marathon — April 19, 2027 (registration opens in fall)
How to choose your running race
Choose based on your level
Beginner? Start with a 5K or 10K. Regular runner? A half marathon is a great goal. Experienced? Marathon or trail, depending on your preference.
Allow enough training time
10K: 6-8 weeks. Half marathon: 10-12 weeks. Marathon: 14-16 weeks. Long trail: 16-20 weeks. Don't sign up too late.
Check the course profile
A flat course is faster but monotonous. A hilly course is harder but more scenic. Choose based on your goal (time vs. enjoyment).
Plan around the weather
Avoid summer marathons if you don't handle heat well. Spring and fall races offer the best conditions.
Register early
Major races (Boston, Chicago, NYC, Berlin) sell out months in advance or require a lottery or a qualifying time — Boston's April 19, 2027 race, for instance. Plan ahead.
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Find your next race
Browse the RunRun calendar, pick your race and start training with a free personalized plan.
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