racecast.ioPartly cloudy throughout the day.
Details
Wind
12mph
Gusting to
26mph
Pre-Race
Race
Post-Race
350 lumens of light to illuminate the trail ahead. Black Diamond Spot 350 Headlamp.
When you buy through our links, we may earn a commission.
Wanna to know when the weather changes? .
Race Overview
The Delaware Marathon Running Festival is an excellent assembly of races for all ages and skill sets. Runners enjoy the best of Wilmington, from the majestic views along the riverfront and through downtown (which could be considered the financial center of the United States). The marathon is challenging, yet BQ-enabling and includes the scenic Jack Markell Trail. The half covers first 13 miles of the full marathon and the 10K and 5K run on the same day amplifies the race day buzz. All include access to brilliant post-race festivities in a beautiful park setting.
WikipediaFAQ
When is the 2026 Delaware Marathon?
The 2026 Delaware Marathon will be held on Sunday April 19, 2026.
Is the Delaware Marathon a Boston Marathon Qualfier?
Yes, the Delaware Marathon is an official Boston Marathon qualifier.
What is the time limit for the Delaware Marathon?
The time limit for the Delaware Marathon is 6 hours.
Delaware Marathon Weather History
Delaware Marathon Weather Averages
Average Temp: 61°, Average Low: 53°, Average High: 70°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 55° | 57° | 60° | 62° | 64° | 66° | 67° |
| Feel | 54° | 57° | 60° | 62° | 64° | 66° | 67° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 6mph | 7mph | 8mph | 10mph | 11mph | 12mph |
| Dew | 49° | 50° | 50° | 50° | 49° | 49° | 48° |
| RunScore |  | | | | | | |
Delaware Marathon 2025
Apr 6, 2025
Cloudy skies throughout the day.
Low: 49°, High: 55°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  49° |  49° | 50° | 52° | 54° | 55° | 55° |
| Feel | 47° | 47° | 50° | 52° | 54° | 55° | 55° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 5mph | 0mph | 9mph | 7mph | 9mph | 10mph |
| Dew | 48° | 48° | 49° | 49° | 49° | 49° | 47° |
| RunScore |  | | | | | | |
Delaware Marathon 2024
Apr 21, 2024
Clear conditions throughout the day.
Low: 40°, High: 52°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  40° | 45° | 46° | 47° | 47° | 48° | 50° |
| Feel | 37° | 42° | 42° | 46° | 46° | 45° | 46° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 6mph | 8mph | 4mph | 3mph | 6mph | 9mph |
| Dew | 29° | 29° | 26° | 25° | 25° | 26° | 26° |
| RunScore | | | | | | | |
Delaware Marathon 2023
Apr 23, 2023
Partly cloudy throughout the day with early morning rain.
Low: 52°, High: 69°, Moderate Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 54° | 57° | 59° | 62° | 65° | 66° | 66° |
| Feel | 54° | 57° | 59° | 62° | 65° | 66° | 66° |
| Rain | - | - | - | - | - | - | - |
| Wind | 9mph | 11mph | 13mph | 10mph | 10mph | 15mph | 17mph |
| Dew | 49° | 50° | 49° | 46° | 42° | 40° | 39° |
| RunScore | | | | | |  | |
Delaware Marathon 2022
Apr 24, 2022
Clear conditions throughout the day.
Low: 51°, High: 72°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 54° | 55° | 59° | 61° | 64° | 69° | 72° |
| Feel | 54° | 55° | 59° | 61° | 64° | 69° | 72° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 7mph | 10mph | 7mph | 8mph | 11mph | 6mph |
| Dew | 46° | 47° | 48° | 49° | 51° | 53° | 53° |
| RunScore | | | | | | | |
Delaware Marathon 2021
Apr 24, 2021
Partly cloudy throughout the day.
Low: 41°, High: 66°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 42° | 49° | 55° | 60° | 63° | 65° | 65° |
| Feel | 42° | 47° | 55° | 60° | 63° | 65° | 65° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 5mph | 4mph | 1mph | 4mph | 10mph | 11mph |
| Dew | 32° | 35° | 34° | 35° | 35° | 35° | 34° |
| RunScore | | | | | | | |
Delaware Marathon 2019
Apr 28, 2019
Partly cloudy throughout the day with morning rain.
Low: 48°, High: 70°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 56° | 56° | 57° | 58° |  58° | 59° | 63° |
| Feel | 56° | 56° | 57° | 58° | 58° | 59° | 63° |
| Rain | - | - | - | - | light | - | - |
| Wind | 8mph | 4mph | 3mph | 0mph | 7mph | 10mph | 6mph |
| Dew | 43° | 40° | 43° | 42° | 48° | 47° | 46° |
| RunScore | | | | | | | |
Delaware Marathon 2018
Apr 28, 2018
Clearing in the afternoon with late afternoon rain.
Low: 47°, High: 70°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 49° | 51° | 53° | 59° | 62° | 65° | 67° |
| Feel | 47° | 51° | 53° | 59° | 62° | 65° | 67° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 6mph | 3mph | 7mph | 13mph | 13mph | 15mph |
| Dew | 49° | 51° | 53° | 55° | 56° | 56° | 56° |
| RunScore | | | | | | | |
Delaware Marathon 2017
May 14, 2017
Partly cloudy throughout the day.
Low: 45°, High: 73°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 50° | 53° | 56° | 60° | 65° | 69° |
| Feel | 45° | 47° | 53° | 56° | 60° | 65° | 69° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 8mph | 6mph | 5mph | 7mph | 8mph | 10mph |
| Dew | 47° | 49° | 50° | 51° | 52° | 52° | 52° |
| RunScore | | | | | | | |
Delaware Marathon 2016
May 8, 2016
Clearing in the afternoon with morning rain.
Low: 52°, High: 69°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 55° | 60° | 64° | 67° | 69° | 68° |
| Feel | 53° | 55° | 60° | 64° | 67° | 69° | 68° |
| Rain | light | light | - | - | - | - | - |
| Wind | 4mph | 5mph | 10mph | 15mph | 22mph | 20mph | 25mph |
| Dew | 50° | 51° | 53° | 53° | 50° | 42° | 33° |
| RunScore | | | | |  | | |
Delaware Marathon 2015
May 10, 2015
Partly cloudy throughout the day with afternoon rain.
Low: 63°, High: 80°, Heavy Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 64° | 65° | 66° | 67° | 69° | 71° | 76° |
| Feel | 64° | 65° | 66° | 67° | 69° | 71° | 76° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 3mph | 3mph | 5mph | 7mph | 7mph | 8mph |
| Dew | 64° | 65° | 66° | 66° | 67° | 68° | 69° |
| RunScore | | | | | | | |
Delaware Marathon 2014
May 11, 2014
Clear conditions throughout the day with early morning rain.
Low: 59°, High: 79°, Heavy Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 61° | 65° | 68° | 71° | 73° | 75° | 75° |
| Feel | 61° | 65° | 68° | 71° | 73° | 75° | 75° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 9mph | 10mph | 8mph | 6mph | 8mph | 11mph |
| Dew | 57° | 57° | 55° | 51° | 47° | 46° | 46° |
| RunScore | | | | | | | |
Delaware Marathon 2013
May 12, 2013
Clearing in the afternoon with early morning rain.
Low: 53°, High: 64°, Moderate Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 57° | 59° | 62° | 64° | 64° | 64° | 64° |
| Feel | 57° | 59° | 62° | 64° | 64° | 64° | 64° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 5mph | 10mph | 13mph | 21mph | 14mph | 15mph |
| Dew | 51° | 51° | 50° | 50° | 39° | 39° | 39° |
| RunScore | | | | | | | |
Delaware Marathon 2012
May 13, 2012
Clear conditions throughout the day.
Low: 57°, High: 80°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 58° | 63° | 67° | 71° | 73° | 76° | 77° |
| Feel | 58° | 63° | 67° | 71° | 73° | 76° | 77° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 4mph | 8mph | 10mph | 8mph | 8mph | 13mph |
| Dew | 52° | 53° | 55° | 55° | 55° | 56° | 56° |
| RunScore | | | | | | | |
Delaware Marathon 2011
May 15, 2011
Partly cloudy throughout the day with rain.
Low: 61°, High: 73°, Heavy Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 63° | 64° | 64° | 65° | 66° | 70° | 70° |
| Feel | 63° | 64° | 64° | 65° | 66° | 70° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 3mph | 6mph | 9mph | 8mph | 8mph | 10mph |
| Dew | 63° | 64° | 64° | 65° | 66° | 68° | 66° |
| RunScore | | | | | | | |
Delaware Marathon 2010
May 16, 2010
Partly cloudy throughout the day.
Low: 56°, High: 71°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 57° | 59° | 61° | 63° | 66° | 68° | 70° |
| Feel | 57° | 59° | 61° | 63° | 66° | 68° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 8mph | 7mph | 7mph | 11mph | 11mph | 11mph | 7mph |
| Dew | 44° | 45° | 45° | 43° | 43° | 43° | 44° |
| RunScore | | | | | | | |
Delaware Marathon 2009
May 17, 2009
Partly cloudy throughout the day with rain clearing later.
Low: 53°, High: 71°, Moderate Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 62° | 59° | 55° | 55° | 55° | 55° | 57° |
| Feel | 62° | 59° | 55° | 55° | 55° | 55° | 57° |
| Rain | light | light | light | light | light | - | - |
| Wind | 14mph | 18mph | 13mph | 15mph | 18mph | 11mph | 17mph |
| Dew | 59° | 55° | 53° | 48° | 44° | 44° | 43° |
| RunScore | |  | | | | | |
Delaware Marathon 2008
May 18, 2008
Becoming cloudy in the afternoon with rain.
Low: 55°, High: 66°, Heavy Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 55° | 57° | 62° | 64° | 64° | 66° | 64° |
| Feel | 55° | 57° | 62° | 64° | 64° | 66° | 64° |
| Rain | - | - | - | - | - | - | light |
| Wind | 7mph | 3mph | 0mph | 5mph | 11mph | 18mph | 13mph |
| Dew | 52° | 52° | 52° | 52° | 49° | 52° | 53° |
| RunScore | | | | | | | |
Delaware Marathon 2007
May 20, 2007
Partly cloudy throughout the day.
Low: 54°, High: 75°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 57° | 57° | 61° | 61° | 66° | 70° | 71° |
| Feel | 57° | 57° | 61° | 61° | 66° | 70° | 71° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 9mph | 14mph | 13mph | 10mph | 9mph | 9mph |
| Dew | 45° | 47° | 48° | 48° | 52° | 52° | 52° |
| RunScore | | | | | | | |
Delaware Marathon 2006
May 21, 2006
Clear conditions throughout the day.
Low: 43°, High: 70°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 47° | 56° | 61° | 64° | 66° | 68° | 70° |
| Feel | 46° | 56° | 61° | 64° | 66° | 68° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 8mph | 13mph | 13mph | 15mph | 14mph | 16mph |
| Dew | 39° | 43° | 44° | 43° | 45° | 43° | 43° |
| RunScore | | | | | | | |
Delaware Marathon 2005
May 15, 2005
Partly cloudy throughout the day with early morning rain.
Low: 63°, High: 74°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 63° | 65° | 68° | 72° | 72° | 74° | 72° |
| Feel | 63° | 65° | 68° | 72° | 72° | 74° | 72° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 5mph | 8mph | 11mph | 14mph | 13mph | 13mph |
| Dew | 61° | 63° | 63° | 61° | 61° | 54° | 50° |
| RunScore | | | | | | | |
Delaware Marathon 2004
May 16, 2004
Partly cloudy throughout the day with early morning rain.
Low: 65°, High: 80°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 66° | 67° | 68° | 70° | 72° | 74° | 76° |
| Feel | 66° | 67° | 68° | 70° | 72° | 74° | 76° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 4mph | 5mph | 7mph | 8mph | 6mph | 5mph |
| Dew | 59° | 57° | 57° | 58° | 57° | 56° | 55° |
| RunScore | | | | | | | |