KANTO — RACES

Running Races in Kanto

We list 264 running races in Kanto, 67 of them upcoming (170 full marathons, 132 half marathons, 114 10k & 5k races, 40 trail running races). The next one is Nikko National Park Mountain Running Race on Nov 14, 2026. Compare dates, entry fees and deadlines to pick your next race.

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UPCOMING

Upcoming races (67)

November 202627

11.14SAT 2026
RACE IN 1D
Trail

Nikko National Park Mountain Running Race

Tochigi · Trail

—
3.0/ 5.0
11.14SAT 2026
RACE IN 1D
Trail +3EN

FunTrails Round: Chichibu & Okumusashi 100 MILE/100K/50K

Saitama · Trail

160.9 KM
1.5/ 5.0
11.15SUN 2026
RACE IN 2D
Full +1

Hitachi Seaside Marathon

Ibaraki · To be determined

42.195 KM
3.6/ 5.0
11.15SUN 2026
RACE IN 2D
TrailEN

Sakurayama Trail

Gunma · Trail

—
3.0/ 5.0
11.15SUN 2026
RACE IN 2D
Half +1EN

MINATO City Half Marathon

Tokyo · To be determined

21.098 KM
1.6/ 5.0
11.21SAT 2026
RACE IN 8D
Full +4EN

THE CHALLENGE RACE YOKOHAMA 10 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
11.21SAT 2026
RACE IN 8D
Full +4

THE CHALLENGE RACE YOKOHAMA 12 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
11.21SAT 2026
RACE IN 8D
Full +4EN

THE CHALLENGE RACE YOKOHAMA 11 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Half

Yokosuka Seaside Marathon

Kanagawa · Half Marathon

21.098 KM
3.0/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 3 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 2 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 5 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 3 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 4 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 8 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 2 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 5 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4

THE CHALLENGE RACE TOYOSU 7 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
ENTRY: 7D LEFT
Full +5

3rd Sports Mate Run Musashi-Kosugi Tamagawa Marathon

Kanagawa · Full Marathon

42.195 KM
3.6/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 4 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 9D
Full +1EN

Tsukuba Marathon

Ibaraki · Full Marathon

42.195 KM
3.4/ 5.0
11.22SUN 2026
RACE IN 9D
Full +4EN

THE CHALLENGE RACE TOYOSU 1 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.23MON 2026
ENTRY: 8D LEFT
Full +3

The 34th UP RUN Higashi-Ojima Komatsugawa Park Marathon ~Long-Distance Special Edition~

Tokyo · Full Marathon

42.195 KM
3.1/ 5.0
11.23MON 2026
RACE IN 10D
Full +5

2025 Watarase Flood Control Reservoir Autumn Marathon

Tochigi · Full Marathon

42.195 KM
3.1/ 5.0
11.23MON 2026
RACE IN 10D
Full

Otawara Marathon

Tochigi · To be determined

42.195 KM
2.4/ 5.0
11.29SUN 2026
RACE IN 16D
Race

Fujioka Silk Worm Marathon

Gunma · Undetermined

—
3.0/ 5.0
11.29SUN 2026
RACE IN 16D
Half +1

Koto Seaside Marathon

Tokyo · Half Marathon

21.098 KM
2.8/ 5.0

December 202616

12.05SAT 2026
ENTRY: 2D LEFT
Full +2EN

The 16th Izu-Oshima Marathon

Tokyo · Full Marathon

42.195 KM
4.1/ 5.0
12.06SUN 2026
RACE IN 23D
Full +7EN

Shonan International Marathon

Kanagawa · Full Marathon

42.195 KM
3.4/ 5.0
12.13SUN 2026
RACE IN 30D
Trail

Mt. Mitake Mountain Race

Tokyo · Trail

—
1.5/ 5.0
12.13SUN 2026
RACE IN 30D
Trail

Ome City Sports Festival Trail Run (Actual distance: 12 km)

Tokyo · Trail

12 KM
3.0/ 5.0
12.13SUN 2026
RACE IN 30D
Trail

Akagi Forest Trail Run

Gunma · Trail

—
1.5/ 5.0
12.13SUN 2026
RACE IN 30D
Half +2

Sano Marathon

Tochigi · Undetermined

21.098 KM
3.9/ 5.0
12.19SAT 2026
Full

Musako Maruko Bridge Riverside Marathon

Kanagawa · Full Marathon

42.195 KM
1.5/ 5.0
12.19SAT 2026
Full

THE CHALLENGE RACE SUB3.5 in 2025

Tokyo · Full Marathon

42.195 KM
2.1/ 5.0
12.19SAT 2026
Full

THE CHALLENGE RACE SUB4 in 2025

Tokyo · Full Marathon

42.195 KM
2.1/ 5.0
12.20SUN 2026
Trail

Boso Nokogiri Mountain Trail Run

Chiba · Trail

—
1.5/ 5.0
12.20SUN 2026
Full

Full Marathon Challenge Session 42.195 in Kamimikawa

Tochigi · Full Marathon

42.195 KM
4.0/ 5.0
12.20SUN 2026
Trail

Hachioji Jinma Trail Run

Tokyo · Trail

—
3.0/ 5.0
12.20SUN 2026
Half

Kasama Pottery Village Half Marathon

Ibaraki · To be determined

21.098 KM
2.0/ 5.0
12.20SUN 2026
Trail

Hitachi Province Trail Run Competition

Ibaraki · Trail

—
1.5/ 5.0
12.26SAT 2026
Full +4

THE CHALLENGE RACE YOKOHAMA 13 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
12.27SUN 2026
Full

THE CHALLENGE RACE GOAT in 2025

Tokyo · Full Marathon

42.195 KM
1.9/ 5.0

January 202713

1.16SAT 2027
Ultra +3

The 14th Arakawa Riverside Journey Run

Saitama · Ultra Marathon

—
3.0/ 5.0
1.16SAT 2027
Ultra +1

The 32nd Okumusashi Ultra Marathon

Saitama · Ultra Marathon

—
3.0/ 5.0
1.16SAT 2027
Trail

Jungle Round and Round ZERO

Saitama · Trail

—
3.0/ 5.0
1.16SAT 2027
Ultra

The 7th Autumn in Okumusashi/Chichibu Journey Run 142k

Saitama · Ultra Marathon

142 KM
3.4/ 5.0
1.16SAT 2027
Ultra +1

The 3rd Modern Japan “Silk Road” Journey Run

Gunma · Ultra Marathon

—
3.0/ 5.0
1.16SAT 2027
Ultra +1

The 21st Toda-Sai-ko Full Marathon & Ultra Marathon

Saitama · Ultra Marathon

—
1.5/ 5.0
1.24SUN 2027
Full +1

Shonan Fujisawa Citizens' Marathon

Kanagawa · Full Marathon

42.195 KM
3.0/ 5.0
1.24SUN 2027
ENTRY: 17D LEFT
Full +1

Tokyo Challenge Marathon 2026

Tokyo · Full Marathon

42.195 KM
2.4/ 5.0
1.30SAT 2027
Full

Chiba Marathon Festival 2025

Chiba · Full Marathon

42.195 KM
2.7/ 5.0
1.31SUN 2027
Half +1

Shinjuku City Half Marathon

Tokyo · Half Marathon

21.098 KM
3.0/ 5.0
1.31SUN 2027
Ultra +2

Episode 4: The Waterway of Minuma—Upstream

Saitama · Ultra Marathon

—
1.5/ 5.0
1.31SUN 2027
Full +2EN

Tateyama Wakashio Marathon

Chiba · To be determined

42.195 KM
3.4/ 5.0
1.31SUN 2027
Full +1

Katsuta National Marathon

Ibaraki · To be determined

42.195 KM
3.9/ 5.0

February 20274

2.07SUN 2027
ENTRY: 17D LEFT
Half +1

Kanagawa Marathon

Kanagawa · To be determined

21.098 KM
2.1/ 5.0
2.07SUN 2027
Half

Moriya Half Marathon

Ibaraki · To be determined

21.098 KM
3.5/ 5.0
2.14SUN 2027
FullEN

Saitama Marathon

Saitama · To be determined

42.195 KM
3.0/ 5.0
2.21SUN 2027
Full +2

Ome Marathon

Tokyo · Full Marathon

42.195 KM
3.5/ 5.0

March 20275

3.07SUN 2027
FullEN

Tokyo Marathon 2027

Tokyo · Full Marathon

42.195 KM
3.9/ 5.0
3.07SUN 2027
ENTRY: 12D LEFT
Half +2EN

Miura International Citizens' Marathon

Kanagawa · Half Marathon / 10K / 5K

21.098 KM
4.0/ 5.0
3.14SUN 2027
Half +4

Katsushika Fureai Run Festival

Tokyo · To be determined

21.098 KM
2.7/ 5.0
3.14SUN 2027
Half +3

Tachikawa City Half Marathon

Tokyo · Half Marathon

21.098 KM
3.5/ 5.0
3.21SUN 2027
ENTRY: 21D LEFT
Full +3EN

Itabashi City Marathon

Tokyo · To be determined

42.195 KM
4.0/ 5.0

April 20271

4.17SAT 2027
Trail

Kitamusashi Giant’s Gate

Saitama · Trail

—
3.0/ 5.0

October 20271

10.31SUN 2027
Full +4EN

Yokohama Marathon

Kanagawa · Full Marathon

42.195 KM
4.5/ 5.0

DATE TBA

Date to be announced (33)

HELD RECENTLY

Held recently — next date pending (164)

Sorted by when they're usually held, soonest first. We update the next date once the organizer announces it.

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