racecast.ioPartly cloudy throughout the day.
Light Rain
30%
Light Rain
30%
Details
Wind
12mph
Wind
12mph
Light Rain
35%
Wind
12mph
Light Rain
30%
Wind
13mph
Light Rain
25%
Wind
13mph
Light Rain
25%
Wind
14mph
Wind
14mph
Wind
14mph
Light Rain
25%
Wind
13mph
Pre-Race
Race
Post-Race
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Race Overview
The Itabashi City Marathon runs along the Arakawa riverbed in northern Tokyo, an out-and-back course starting and finishing upstream of Toda Bridge in Itabashi Ward with a turnaround near Arakawa Ohashi Bridge. The course is certified by the Japan Athletics Federation and authenticated by World Athletics as record-eligible, with a flat, minimal-elevation layout along the river levee. The marathon caps entries at 10,000 runners and sets a 7-hour course time limit. The 2027 race is the event's 30th edition.
WikipediaFAQ
When is the 2027 Itabashi City Marathon?
The 2027 Itabashi City Marathon will be held on Sunday March 21, 2027.
Is the Itabashi City Marathon a Boston Marathon Qualfier?
Yes, the Itabashi City Marathon is an official Boston Marathon qualifier.
What is the time limit for the Itabashi City Marathon?
The time limit for the Itabashi City Marathon is 7 hours.
Itabashi City Marathon Weather History
Itabashi City Marathon Weather Averages
Average Temp: 51°, Average Low: 43°, Average High: 58°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 50° | 52° | 54° | 56° | 57° | 57° | 57° | 57° |
| Feel | 48° | 51° | 53° | 54° | 55° | 56° | 56° | 56° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 6mph | 8mph | 9mph | 9mph | 9mph | 10mph | 8mph | 10mph |
| Dew | 36° | 36° | 36° | 37° | 38° | 37° | 37° | 37° |
| RunScore |  | |  | | | | | |
Itabashi City Marathon 2026
Mar 15, 2026
Partly cloudy throughout the day.
Low: 41°, High: 59°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 51° | 53° | 55° | 56° | 57° | 59° | 58° | 58° |
| Feel | 51° | 53° | 55° | 56° | 57° | 59° | 58° | 58° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 7mph | 6mph | 6mph | 6mph | 5mph | 6mph | 5mph | 7mph |
| Dew | 30° | 29° | 30° | 31° | 30° | 31° | 30° | 30° |
| RunScore |  | | | | | | | |
Itabashi City Marathon 2025
Mar 16, 2025
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 41°, High: 46°, Heavy Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  41° | 41° | 42° | 43° | 44° |  45° | 45° | 46° |
| Feel | 36° | 36° | 36° | 37° | 38° | 39° | 40° | 41° |
| Rain | heavy | light | light | light | light | light | moderate | light |
| Wind | 8mph | 9mph | 10mph | 11mph | 11mph | 10mph | 9mph | 9mph |
| Dew | 40° | 40° | 41° | 42° | 42° | 43° | 44° | 45° |
| RunScore |  |  | | | | | | |
Itabashi City Marathon 2024
Mar 17, 2024
Partly cloudy throughout the day.
Low: 49°, High: 70°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 58° |  64° | 67° | 68° | 70° | 69° | 69° | 69° |
| Feel | 58° | 64° | 67° | 68° | 70° | 69° | 69° | 69° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 5mph | 13mph | 17mph | 16mph | 14mph | 15mph | 12mph | 15mph |
| Dew | 44° | 45° | 47° | 49° | 49° | 46° | 47° | 45° |
| RunScore | | | | | | | | |
Itabashi City Marathon 2023
Mar 19, 2023
Clear conditions throughout the day.
Low: 41°, High: 58°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 49° | 52° | 54° | 56° | 57° | 58° | 58° | 57° |
| Feel | 48° | 52° | 54° | 56° | 57° | 58° | 58° | 57° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 5mph | 6mph | 4mph | 4mph | 6mph | 8mph | 7mph | 8mph |
| Dew | 31° | 30° | 29° | 28° | 30° | 29° | 29° | 29° |
| RunScore | | | | | | | | |