Name: 2026 Inage Seaside Park Winter Marathon (2026稲毛海浜公園ウインターマラソン)
Start: 2026-12-27
End: 2026-12-27
Location: Inage Seaside Park

2026 Inage Seaside Park Winter Marathon (2026稲毛海浜公園ウインターマラソン)

Inage Seaside Park, Japan

calendar_today 27 Dec, 2026

directions_run Running

language Official Website

sell $12.90 – $129.00

About the Event

Held on the lawn plaza at Inage Seaside Park, this event gathers runners who like to compete and run alongside others. The park offers a course rich in nature. The seaward side can be windy at times, but it is open and pleasant to run, and the course is popular with runners.
Events are 2.5K (with a parent-child race and a pair discount), 5K (with a pair discount), 10K (with a pair discount), half marathon, 30K and a 20 km relay for teams of two to eight. Automatic timing is available for those who want an official time.

Races Offered

10km

Dec 27, 2026

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Distance — 10K

terrain

Type — Running

timer

77 days remaining

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$22.57

10km: Pair Discount

Dec 27, 2026

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Distance — 10K

terrain

Type — Running

timer

77 days remaining

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$41.92

2.5km

Dec 27, 2026

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Distance — 2.5K

terrain

Type — Running

timer

77 days remaining

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$16.12

2.5km Parent and Child Marathon

Dec 27, 2026

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Distance — 42.2K

terrain

Type — Running

timer

77 days remaining

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$12.90

2.5km: Pair Discount

Dec 27, 2026

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Distance — 2.5K

terrain

Type — Running

timer

77 days remaining

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$29.02

20km Relay: Team of 2

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$32.25

20km Relay: Team of 3

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$48.38

20km Relay: Team of 4

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$64.50

20km Relay: Team of 5

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$80.62

20km Relay: Team of 6

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$96.75

20km Relay: Team of 7

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$112.88

20km Relay: Team of 8

Dec 27, 2026

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Distance — 20K

terrain

Type — Running

timer

77 days remaining

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$129.00

30km

Dec 27, 2026

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Distance — 30K

terrain

Type — Running

timer

77 days remaining

sell

$29.02

5km

Dec 27, 2026

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Distance — 5K

terrain

Type — Running

timer

77 days remaining

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$19.35

5km: Pair Discount

Dec 27, 2026

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Distance — 5K

terrain

Type — Running

timer

77 days remaining

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$35.48

Half Marathon

Dec 27, 2026

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Distance — 21.1K

terrain

Type — Running

timer

77 days remaining

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$25.80

Runner Reviews

Read what other athletes have to say about their experience at the 2026 Inage Seaside Park Winter Marathon (2026稲毛海浜公園ウインターマラソン).

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2026 Inage Seaside Park Winter Marathon (2026稲毛海浜公園ウインターマラソン)

About the Event

Races Offered