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10th Oi Tokyo Marathon (第10回 大井東京マラソン)

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Hatcho 4-1-19, Shinkawa Ward, Japan

calendar_today 20 Sep, 2026

directions_run Running

language Official Website

sell $8.38 – $90.30

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10th Oi Tokyo Marathon (第10回 大井東京マラソン)

About the Event

The popular summer marathon returns to bring runners through the challenging terrain of Daikoku Athletics Stadium and Sports Forest. This event, known for its rigorous course, attracts participants from all walks of life, including those who enjoy relay races and families with young children looking for an exciting day out.
For fans of team competition, there's a popular relay option that showcases camaraderie and teamwork as runners take turns navigating the scenic routes around Daikoku Athletics Stadium. The event also offers a unique family category where pairs can participate together, making it ideal for parents to run alongside their children who are in elementary school or older.
Given its popularity, especially among families with young kids, organizers recommend early entry due to quick sellouts of spots reserved specifically for these categories. Participants will experience the thrill of running through lush greenery and challenging terrain that make this marathon a memorable event on the calendar.
The course weaves around Daikoku Athletics Stadium and extends into Sports Forest, offering runners a mix of flat stretches and hilly sections that test endurance and stamina. With its picturesque setting and competitive atmosphere, it's an unmissable opportunity for both seasoned athletes and those looking to challenge themselves in a supportive community environment.
Whether you're partaking as an individual or joining forces with family members or teammates, the Daikoku Athletics Stadium and Sports Forest Marathon promises an unforgettable day of running through some of Tokyo’s most scenic landscapes.

Races Offered

1.5kmファミリー（1組2～3人／幼稚園以上）※小学生は保護者の引率誘導が必要、幼稚園児は保護者の伴走が必要※参加料は1組分の料金です※出走される代表者（1名）がお申し込みください

Sep 20, 2026

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Distance — 1.5kmファミリー（1組2～3人／幼稚園以上）※小学生は保護者の引率誘導が必要、幼稚園児は保護者の伴走が必要※参加料は1組分の料金です※出走される代表者（1名）がお申し込みください

terrain

Type — Running

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0 days remaining

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$22.57

U-18※定期的にグループ練習をする小中高の運動部スポーツクラブ部員（指導者の会場までの引率が必要）

Sep 20, 2026

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Distance — 1.5K

terrain

Type — Running

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0 days remaining

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$8.38

ハーフ駅伝（中学生以上／1チーム4～7人）［参加料］チーム登録料2000円＋1人3000円※参加料は1チーム分の料金です※チーム代表者（1名）がお申し込みください

Sep 20, 2026

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Distance — 21.1K

terrain

Type — Running

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0 days remaining

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$90.30

フル駅伝（中学生以上／1チーム4～14人）［参加料］チーム登録料2000円＋1人3000円※参加料は1チーム分の料金です※チーム代表者（1名）がお申し込みください

Sep 20, 2026

straighten

Distance — フル駅伝（中学生以上／1チーム4～14人）［参加料］チーム登録料2000円＋1人3000円※参加料は1チーム分の料金です※チーム代表者（1名）がお申し込みください

terrain

Type — Running

timer

0 days remaining

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$90.30

ペア（小学生以上）※小学生は保護者の引率誘導必要※参加料は1組分の料金です※出走される代表者（1名）がお申し込みください

Sep 20, 2026

straighten

Distance — ペア（小学生以上）※小学生は保護者の引率誘導必要※参加料は1組分の料金です※出走される代表者（1名）がお申し込みください

terrain

Type — Running

timer

0 days remaining

sell

$22.57

個人

Sep 20, 2026

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Distance — 1.5K

terrain

Type — Running

timer

0 days remaining

sell

$16.12

Hotels & Places to Stay

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