| Race title ▲▼ Categories |
Date ▲▼ Venue |
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Kanuma Satsuki Marathon 2018
Half Marathon, 9.4 km, 5.1 km, 3 km and 2 km |
14 May 2018
Kanuma-city, Tochigi-prefecture 
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Sendai Half Marathon 2018
Half Marathon, 5 km, 2 km |
14 May 2018
Sendai city, Miyagi-prefecture
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Hightech Town Ekiden 2018
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21 May 2018
Itabashi, Tokyo
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Karuizawa Half Marathon 2018
Half Marathon |
21 May 2018
Karuizawa Prince Hotel, Nagano Prefecture
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Toyako (Lake Toya) Marathon 2018
Full Marathon, 10 km, 5 km |
21 May 2018
Toyako-cho, Hokkaido
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Kawasaki Illumination Marathon 2018
10 km, 5 km |
27 May 2018
Kawasaki City Higashi-Ojima East Park, Kanagawa prefecture
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Vegetable Marathon 2018
Half Marathon, 10 km, 5 km |
27 May 2018
Lake Saiko, Yamanashi Prefecture
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Kushigata Wind Trail 2018
31KM, 18KM |
27 May 2018
Venue TBC, Niigata
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TELL Charity Run (5/10k) 2018
10 km, 5 km |
28 May 2018
Shin Kawasaki and Kashimada, Kanagawa Prefecture
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Inage Hana no Marathon 2018
Half Marathon, 10 km, 5 km, Ekiden relay race |
28 May 2018
Inage-ward, Chiba-Prefecture
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Mogamigawa Fureai Marathon 2018
Full Marathon, 10 km, 2 km |
28 May 2018
Tohoku, Saitama Prefecture
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OSJ Oku-kuji Trail 50km – 2018
50 km, 30 km |
28 May 2018
Fukuroda-station, Ibaraki Prefecture
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Sponichi Koukyo Run for beginners 5km & 10km – 2018
10 km, 5 km |
28 May 2018
Sakuradamon gate Imperial Palace, Tokyo
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Yamanakako Road Race 2018
Half Marathon, 1 lap around the lake for 13.6 km |
28 May 2018
Yamanakako Junior High School, Yamanashi Prefecture
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Oxfam Trail Walker Tohoku 2018
100 km, 50 km |
3 Jun 2018
Tohoku, Saitama Prefecture
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Koyasan Ryujinonsen Ultramarathon
100km, 50km |
3 Jun 2018
Wakayama Koya Ryujin Skyline, Wakayama
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Higashine Sakuranbo Marathon 2018
Half Marathon, 10 km, 5 km, 3 km, Walk for 5 km and 3 km |
4 Jun 2018
Higashine-shi , Yamagata-ken
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Jonan-Jima Haneda Tsubasa Marathon 2018
Half Marathon, 10 km, 5 km |
4 Jun 2018
Jonan-jima , Kaihin Park
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Kanto Masters Road Championship (5k, 10k, Half Marathon) 2018
Half Marathon, 10 km, 5 km |
4 Jun 2018
Showa Kinen Park in Tachikawa, Tokyo
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Munatsuki Kita Marathon 2018
Full Marathon, Half Marathon, 10 km |
4 Jun 2018
Arakawa River , Tokyo
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Oku-Musashi Ultra Marathon 2018
78 km trail race |
4 Jun 2018
Moroyama Park, Kyoto
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Oshino Height Trail Race 2018
31.7 km, 21 km, 14.1 km trail races |
4 Jun 2018
Oshino Junior High School , Yamanashi-ken
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Tokyo Shibamata 100 km & 60 km – 2018
100 km, 60 km |
4 Jun 2018
Katsushika ward, Tokyo
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Tokyo Shibamata 100 km (& 60 km) 2018
100 km, 60 km |
4 Jun 2018
Shibamata Park, Tokyo
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Sugadaira Skyline Trail Race 2018
Full Marathon, Half Marathon, 5 km, 15 km |
10 Jun 2018
Sugadaira-area, Nagano Prefecture
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Koya-Ryujin Onsen Ultra Marathon 2018
50 km and 100 km |
10 Jun 2018
Venue TBC, Wakayama Prefecture
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Bukousan Trail Run 2018
27 km |
11 Jun 2018
Chichibu-city, Saitama Prefecture
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Iwate Ginga 100km Ultra Challenge 2018
100 km, 50 km, 10 km, Relay for 100 km |
11 Jun 2018
Kitakami Sogo Undo Kouen, Tohoku-cho
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Minami Uonuma Gourmet Marathon 2018
Half Marathon, 1/8 Marathon |
11 Jun 2018
Minami Uonuma-shi, Nagano-ken
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Mt. Yaeyama trail race in Yamanashi Uenohara 2018
38.55 km, 22.86 km |
11 Jun 2018
Uenohara Junior High school , Yamanashi Prefecture
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Choukai Blue line Trail Marathon 2018
10 km, 17 km |
13 Jun 2018
Yuza-cho, Yamagata-ken
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Mt. Haruna Trail Marathon 2018
Full Marathon, Half Marathon |
17 Jun 2018
Lake Haruna Park, Mt. Haruna
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Nikko 100km Ultra Marathon 2018
62.195 km and 100 km |
17 Jun 2018
Imaichi, Nikko
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Norikura Tenku Marathon 2018
Full Marathon, 30 km |
18 Jun 2018
Norikura Heights, Nagano-ken
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Okugawa Kenko Marathon 2018
10 km, 5 km, 3 km, 2 km |
18 Jun 2018
Nishi Aidu-cho, Fukushima-ken
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Saiko (Lake Sai) Road Race 2018
10 km, 19.8 km, 4 km, Family race |
18 Jun 2018
Saiko, Yamanashi Prefecture
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Sakuranbo (Cherry) Marathon 2018
10 km, 5 km, 3 km, 2 km |
18 Jun 2018
Sagae-shi, Yamagata-ken
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Lake Saroma 50/100k Ultramarathon 2018
50 km and 100 km |
24 Jun 2018
Yubetsu, Hokkaido
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Ryoujin Sanroku Trail Run 2018
20 km, 6 km |
25 Jun 2018
Ogano-cho, Saitama Prefecture
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Saroma-ko (Lake Saroma) Ultra Marathon 2018
100 km under 13 hours and 50 km under 8 hours |
25 Jun 2018
Saroma-ko, Hokkaido
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Tomisato Suika (watermelon) Road Race 2018
10 km, 5 km, 3 km |
25 Jun 2018
Tomisato-city, Chiba-prefecture
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3shumoku Taikyu Race in Tokorozawa 2018
Three-stage Endurance Event (5 km+42.19 5km+8 hours endurance) |
1 Jul 2018
Namiki, Tokorozawa
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Setagaya Track Meeting 2018
1,500 m, 3,000 m, and 5,000 m |
1 Jul 2018
Setagaya-ward, Tokyo
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Gas Bashi Marathon 2018
8 km |
2 Jul 2018
Ota-ku, Tokyo
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Kita Tanzawa 12hr Trail Run 2018
44.24 km |
2 Jul 2018
Aone Midori, Kanagawa Prefecture
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Tsumagoi Cabagge Half Marathon 2018
Half Marathon, 10 km, 5 km, 2 km |
2 Jul 2018
Tokai Univ, Gunma-prefecture
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Natsu no Tamagawa-River Half Marathon 2018
Half Marathon, 10 km |
5 Jul 2018
Furuichiba Track & Field, Tamagawa
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Kasai Rinkai Koen Night Marathon Summer Stage 2018
10 km, 5 km |
8 Jul 2018
Kasai Rinkai Park, Tokyo
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24h Endurance Relay Marathon 2018
24 hours Relay of over 6 people plus a supporter |
15 Jul 2018
Fuji Hokuroku Park
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Summer Cross Country in Chiba 2018
10 km, 5 km, 20 km |
15 Jul 2018
Showa-no-mori, Chiba-city
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