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Exciting Running Events Await at TOKYO MARATHON 2026 RUNS: INTO KK

The Tokyo Marathon Foundation is thrilled to announce the upcoming TOKYO MARATHON 2026 RUNS: INTO KK, a series of exhilarating running events aimed at igniting excitement leading up to the main marathon. This excitement will unfold on February 27 (Friday) and February 28 (Saturday), 2026, prior to the official marathon on March 1. This unique event will take place on the KK Line, an area typically closed to runners, making it an exclusive opportunity for enthusiasts and families alike.

Event Overview

• - Event Name: TOKYO MARATHON 2026 RUNS: INTO KK
• - Dates: February 27-28, 2026
• - Venue: KK Line (Tokyo Expressway)
• - Organizer: Tokyo Marathon Foundation
• - Co-organizer: PIA Corporation
• - Sponsors: Otsuka Pharmaceutical Co., Ltd. and ASICS Corporation

This event is crafted to foster an environment of sportsmanship and community engagement. With varied programs catering to individuals and teams, it provides a wonderful platform for everyone—from children to adults—to partake in running activities. Participants can look forward to enhancing their readiness and excitement ahead of the main event.

How to Register

Registration opens via a dedicated website with two phases:

• - General Registration: December 25, 2025, 10:00 AM - February 1, 2026, 11:59 PM
• - Early Registration for ONE TOKYO Members: December 24, 2025, 10:00 AM - February 1, 2026, 11:59 PM

Due to limited spots, registrations will be accepted on a first-come, first-served basis, so ensure to secure your place early!

Detailed Event Schedule

Day 1: February 27 (Friday)

• - Event: NIGHT HALF MARATHON RELAY
• - Time: 19:00 - 21:30
• - Format: Half Marathon Relay (1 km x 21 laps)
• - Team Limit: Approximately 300 teams (2-21 members per team), up to 1,500 participants
• - Entry Fee: ¥6,500 per person

Day 2: February 28 (Saturday)

• - Event: 1-Mile RUN
• - Time: 11:30 - 15:00
• - Categories:

- Family Division: 150 families (300 participants maximum)
- Kids & Junior Division: 300 participants
- General Division: 300 participants

• - Entry Fees:

- Family: ¥3,500 per family
- Kids & Junior: ¥2,000 per person
- General: ¥3,500 per person

• - Event: SUNSET HALF MARATHON RELAY
• - Time: 15:30 - 18:00
• - Format: Half Marathon Relay (1 km x 21 laps)
• - Team Limit: Approximately 300 teams (2-21 members per team), up to 1,500 participants
• - Entry Fee: ¥6,500 per person

Get ready to lace up your shoes and join the excitement at the TOKYO MARATHON 2026 RUNS: INTO KK! Don't miss this chance to enjoy a fantastic running experience with friends and family, building up to the grand marathon event. Mark your calendars for February 2026, and visit the official registration site to secure your spot in this extraordinary celebration of running.