Jacksonville, FL · Sun, December 13, 2026 · 07:00
Projected at race day for M 18-34, from your 4:00:00 marathon + training runway.
In-state drivable. Small flat race in December.
The Jacksonville Marathon is a marathon held in Jacksonville, FL on December 13, 2026. With a Green Score of 9.2/10, it's one of the easier, more beginner-friendly US races. The course is pancake-flat (~4 ft of gain per mile). Typical race-day weather is a cool 50°F, dew point ~40°F (10-year normal). It is a Boston-qualifying course. Entry is around $120. Marathon Compass rates every race across terrain, climate, logistics, travel, and field size so you can find the one that fits you — and build a training plan tuned to your fitness.