FILTER
SORT
11.01SUN 2026
FullEN
Chiba Tomato Marathon (14th Inage Sunset Beach Marathon)
Chiba · Full Marathon
42.195 KM
4.0/ 5.0
10.25SUN 2026
Half
Teganuma Eco Marathon
Chiba · To be determined
21.098 KM
3.2/ 5.0
10.11SUN 2026
Triathlon
Chiba City Triathlon
Chiba · Triathlon
—
3.0/ 5.0
12.13SUN 2026
Trail
Coast to Coast: Boso Peninsula Cross-Island Race
Chiba · Trail
—
3.0/ 5.0
8.23SUN 2026
ENTRY: 21D LEFT
FullEN
The 14th Kashiwanoha Refreshing Marathon
Chiba · Full Marathon
42.195 KM
2.8/ 5.0
11.08SUN 2026
Full +1EN
Chiba Aqua Line Marathon
Chiba · Full Marathon / Half Marathon
42.195 KM
2.8/ 5.0
8.01SAT 2026
RACE IN 6D
Ultra +2
The 2nd Chiba Ultra Marathon
Chiba · Ultra Marathon
—
1.5/ 5.0
12.20SUN 2026
Trail
Boso Nokogiri Mountain Trail Run
Chiba · Trail
—
1.5/ 5.0
DATE TBD
FullEN
The 14th Inage Flower Marathon
Chiba · Full Marathon
42.195 KM
2.8/ 5.0
DATE TBD
FullEN
The 8th Chiba Cross-Country Grand Prix
Chiba · Full Marathon
42.195 KM
2.8/ 5.0
1.25SUN 2026
FINISHED
Full +2
Tateyama Wakashio Marathon
Chiba · To be determined
42.195 KM
3.4/ 5.0
7.18SAT 2026
FINISHED
Ultra +2
4th Annual 300K Tour Around the Boso Peninsula
Chiba · Ultra Marathon
300 KM
3.4/ 5.0
10.05SUN 2025
FINISHED
Full +3
The 61st Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
11.08SAT 2025
FINISHED
Full +3
The 62nd Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
12.20SAT 2025
FINISHED
Full +3
The 63rd Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
1.10SAT 2026
FINISHED
Full +3
The 64th Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
2.01SUN 2026
FINISHED
Full +3
The 65th Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
3.01SUN 2026
FINISHED
Full +3
The 66th Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
4.05SUN 2026
FINISHED
Full +3
The 67th Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
5.23SAT 2026
FINISHED
Full +3
The 68th Sports Mate Run: Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
6.06SAT 2026
FINISHED
Full +3
The 69th Sports Mate Run Matsudo Edogawa Riverbank Marathon
Chiba · Full Marathon
42.195 KM
3.1/ 5.0
7.12SUN 2026
FINISHED
Triathlon
Ichikawa Aquathlon Competition
Chiba · Triathlon
—
3.0/ 5.0
11.23SUN 2025
FINISHED
Full
Chiba Marathon Festival 2025
Chiba · Full Marathon
42.195 KM
2.7/ 5.0
2.11WED 2026
FINISHED
Full
The 10th Kashiwanoha Park Marathon
Chiba · Full Marathon
42.195 KM
2.7/ 5.0
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