Name: 17th Odaiba City Marathon & 100K Challenge (第17回 お台場シティマラソン＆100キロチャレンジ)
Start: 2026-10-10
End: 2026-10-10
Location: Tokyo Big Sight Promenade Dream Square

17th Odaiba City Marathon & 100K Challenge (第17回お台場シティマラソン＆100キロチャレンジ)

Tokyo Big Sight Promenade Dream Square, Japan

calendar_today 10 Oct, 2026

directions_run Running

language Official Website

sell $16.12 – $90.30

About the Event

Located at the heart of Odaiba, the Center Promenade serves as both the starting and finishing line for this unique urban marathon. Participants will navigate through iconic landmarks such as the Gundam statue and Dream Bridge, offering stunning city views throughout their journey.
The event kicks off on its first day with a groundbreaking 100-kilometer challenge, marking it as Tokyo's inaugural attempt at hosting an ultra-distance race of this caliber. Runners can choose to participate in person or opt for remote participation from wherever they are comfortable.
On the second day, runners have options ranging from short distances like 1.5 kilometers up to a full marathon distance. The variety includes individual races as well as relay events and pairs competitions, catering to all levels of experience and fitness.
Families looking to participate in this event will find numerous activities designed specifically for them. Due to high demand, spots may fill up quickly on both days, so early registration is advised.
This marathon promises not only a challenging course but also an engaging atmosphere with Odaiba's vibrant urban landscape serving as the backdrop. Whether you're setting personal records or simply enjoying the scenic routes alongside family and friends, this event offers something memorable for everyone involved.

Races Offered

1.5km Family Category (2-3 people per group, age 5+) ※Must run with a guardian ※Entry fee is for one group ※Register with the representative participant (or the accompanying guardian if under age 5)

Oct 10, 2026

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Distance — 1.5km Family Category (2-3 people per group age 5+) ※Must run with a guardian ※Entry fee is for one group ※Register with the representative participant (or the accompanying guardian if under age 5)

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Type — Running

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17 days remaining

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$25.80

1.5km Individual: Elementary School Age and Above

Oct 10, 2026

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Distance — 1.5K

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Type — Running

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17 days remaining

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$16.12

1.5km Pair: Elementary School Age and Up ※Elementary school children require guidance from a guardian ※The entry fee is for one group ※Please register the representative participant (1 member)

Oct 10, 2026

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Distance — 1.5km Pair: Elementary School Age and Up ※Elementary school children require guidance from a guardian ※The entry fee is for one group ※Please register the representative participant (1 member)

terrain

Type — Running

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17 days remaining

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$22.57

100km Challenge: Middle School Age and Above

Oct 10, 2026

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Distance — 100km Challenge: Middle School Age and Above

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Type — Running

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17 days remaining

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$77.40

100キロチャレンジ駅伝：中学生以上［参加料］チーム登録料4000円＋3000円／1人※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

Oct 10, 2026

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Distance — 100キロチャレンジ駅伝：中学生以上［参加料］チーム登録料4000円＋3000円／1人※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

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Type — Running

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17 days remaining

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$64.50

10kmペア：中学生以上※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

Oct 10, 2026

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Distance — 10kmペア：中学生以上※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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17 days remaining

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$35.48

10km個人：中学生以上

Oct 10, 2026

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Distance — 10K

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Type — Running

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17 days remaining

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$29.02

3kmペア：小学生以上※小学生は保護者の引率誘導が必要※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

Oct 10, 2026

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Distance — 3kmペア：小学生以上※小学生は保護者の引率誘導が必要※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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17 days remaining

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$25.80

3km個人：小学生以上

Oct 10, 2026

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Distance — 3K

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Type — Running

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17 days remaining

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$19.35

5kmペア：中学生以上※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

Oct 10, 2026

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Distance — 5kmペア：中学生以上※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

17 days remaining

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$29.02

5km個人：中学生以上

Oct 10, 2026

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Distance — 5K

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Type — Running

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17 days remaining

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$22.57

ハーフ個人：中学生以上

Oct 10, 2026

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Distance — 21.1K

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Type — Running

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17 days remaining

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$38.70

ハーフ駅伝（1チーム4～7人／中学生以上）［参加料］チーム登録料2000円＋3000円／1人※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

Oct 10, 2026

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Distance — 21.1K

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Type — Running

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17 days remaining

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$90.30

フル個人：中学生以上

Oct 10, 2026

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Distance — フル個人：中学生以上

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Type — Running

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17 days remaining

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$45.15

フル駅伝（1チーム4～14人／中学生以上）［参加料］チーム登録料2000円＋3000円／1人※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

Oct 10, 2026

straighten

Distance — フル駅伝（1チーム4～14人／中学生以上）［参加料］チーム登録料2000円＋3000円／1人※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

17 days remaining

sell

$90.30

Runner Reviews

Read what other athletes have to say about their experience at the 17th Odaiba City Marathon & 100K Challenge (第17回お台場シティマラソン＆100キロチャレンジ).

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17th Odaiba City Marathon & 100K Challenge (第17回お台場シティマラソン＆100キロチャレンジ)

About the Event

Races Offered

1.5km Family Category (2-3 people per group, age 5+) ※Must run with a guardian ※Entry fee is for one group ※Register with the representative participant (or the accompanying guardian if under age 5)

1.5km Individual: Elementary School Age and Above

1.5km Pair: Elementary School Age and Up ※Elementary school children require guidance from a guardian ※The entry fee is for one group ※Please register the representative participant (1 member)

100km Challenge: Middle School Age and Above

100キロチャレンジ駅伝：中学生以上［参加料］チーム登録料4000円＋3000円／1人※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