The 2025 event has concluded.

Jacksonville Marathon

Jacksonville, FL, USADecember 13, 2025
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Race Day Weather

clear-day
42°
73° high
Light
Dry

Cool start, warming quickly

Runners will face a starting temperature of 43°F, rising to 73°F by the finish. Light winds from the NE at 6 mph will provide a tailwind at the start, shifting to headwinds during tougher segments like Miles 3 and 8. With humidity at 65%, pacing should be conservative early on, especially through the exposed crosswind sections from Miles 9-22.

clear-night8
clear-night7
partly-cloudy-night7
partly-cloudy-day7
clear-day8
clear-day9
clear-day9
clear-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8

Pace Calculator

Distance: 26.2mi
0:00:00
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Pace
Weather Adj.
Common Goals:

The Ameris Bank Jacksonville Marathon & Half Marathon course is USA Track and Field certified (FL10117EBM), flat, fast and very scenic with 85% shade. There are no steep hills, bridges or overpasses. The course starts at Bolles School on San Jose Blvd. heads north, then south to Mandarin, does a loop and heads back along the St. Johns River to Bolles. Water & Electrolyte stations are located about every two miles. Clocks and mile markers at every mile. The 5K runs the first 5K of the marathon course and finishes on San Jose in front of The Bolles School. Source

FAQ

When is the 2025 Jacksonville Marathon?

The 2025 Jacksonville Marathon will be held on Saturday December 13, 2025.

Is the Jacksonville Marathon a Boston Marathon Qualifier?

Yes, the Jacksonville Marathon is an official Boston Marathon qualifier.

What is the time limit for the Jacksonville Marathon?

The time limit for the Jacksonville Marathon is 6 hours.

Historical Weather

Based on 13 years of data
Avg Temp
67°F
L:55° H:67°
RunScore
8
Conditions
Rain Freq
15%
2 of 13 yrs
Wind9mph
Dew51°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2024
cloudy
59°/72°-
7
2023
partly-cloudy-night
65°/76°-
8
2022
cloudy
57°/62°-
9
2021
cloudy
65°/67°-
8
2020
clear-night
44°/56°-
8
2018
clear-night
47°/65°-
8
2017
cloudy
50°/62°-
9
2016
cloudy
68°/80°-
7
2014
partly-cloudy-night
58°/79°-
8
2013
cloudy
70°/72°Light
7
2012
rain
56°/75°Light
8
2011
clear-night
39°/60°-
8
2010
cloudy
43°/44°-
8