Cannonball Marathon
Greensboro, NC, USA • October 17, 2026
Race Day Weather
50°
69° high
Breezy
Dry
Cool start, warming trend ahead
Runners will face a temperature increase from 50°F at the start to a peak of 69°F, with moderate humidity at 61%. Winds will be light, primarily from the SSW at 8 mph, with occasional gusts up to 22 mph. Runners should consider pacing conservatively in the warmer segments and stay hydrated throughout.
Race day forecast available in 204 days
Pre-raceRace windowPost-race
Pace Calculator
Distance: 26.2mi
0:00:00
HH:MM:SS
For over 20 years, The First Horizon Bank Cannonball Marathon is one of the longest running endurance events in North Carolina and a Boston Qualifier! The backdrop for the race is Country Park and the beautiful north Greensboro countryside. Country Park, with the Greensboro Science Center next door, is a great place for the family to hang out and enjoy the post-race celebration! Source
FAQ
When is the 2026 Cannonball Marathon?
The 2026 Cannonball Marathon will be held on Saturday October 17, 2026.
Is the Cannonball Marathon a Boston Marathon Qualifier?
Yes, the Cannonball Marathon is an official Boston Marathon qualifier.
What is the time limit for the Cannonball Marathon?
The time limit for the Cannonball Marathon is 6 hours.
