Koedo Kawagoe Half Marathon 2025

Overview

The 2025 Koedo Kawagoe Half Marathon, held on Sunday, November 30, 2025, is a vibrant running event organized by the Koedo Kawagoe Marathon Executive Committee at Kawagoe Water Park, Kawagoe City, Saitama Prefecture. This event, held rain or shine, offers a Half Marathon (6,000 participants), 10km (3,000 participants), Fun Run General (500 participants), and Fun Run Pairs (250 pairs), with a total capacity of 10,000 runners. Runners will traverse the historic “kurazukuri townscape,” a preserved Edo-period street, making it a unique blend of sport and sightseeing, praised on X for its “stunning old-town views and festive vibe.” The event includes priority slots for Kawagoe residents (~20% of capacity), event support runners (100 slots), and hometown tax participants (100 slots). Registration is open from August 5 to September 15, 2025, via Jasumo Tickets or the official website (https://www.koedo-marathon.com). Features include JAAF-certified courses, automated timing, awards for top finishers, downloadable finisher certificates, and participant benefits like a support shop map for exploring Kawagoe post-race.

Why Attend

• Scenic Course: Run through Kawagoe’s iconic kurazukuri townscape, featuring Edo-style warehouses, noted on X as “like running through history.”

• Variety of Events: Choose from Half Marathon, 10km, or Fun Run (4km, General or Pairs), catering to all levels, from competitive runners to families.

• Certified and Competitive: JAAF-certified courses with automated timing; top 8 in Half Marathon and 10km receive awards (1st–3rd at ceremony).

• Participant Perks: Receive a support shop map for post-race sightseeing, plus free luggage storage and changing rooms (coin lockers: 200 yen).

• Community Focus: Priority slots for Kawagoe residents and event support runners (higher fees fund safety measures), fostering local engagement.

• Accessible Venue: Kawagoe Water Park, with shuttle buses from Kawagoe and Hon-Kawagoe stations, plus limited paid parking (2,000 yen).

Event Details

Events and Courses

Sunday, November 30, 2025 – Kawagoe Water Park, Kawagoe City, Saitama Prefecture:

• Half Marathon (21.0975km, JAAF-certified):

  • Categories: Men/Women (General: 18+, 40s, 50s, 60s, 70+); Event Support Runners; Kawagoe Residents. High school students not allowed.

  • Course: Starts/ends at Kawagoe Water Park, passing through kurazukuri townscape, Kawagoe City Hall (4.1km), JA Irumano (7.0km), Resource Center (13.6km), and Imanari School Lunch Center (18.7km).

  • Time Limit: 2 hours 45 minutes; checkpoints at 4.1km (9:20 AM), 7.0km (9:40 AM), 13.6km (10:30 AM), 18.7km (11:05 AM).

  • Details: Competitive race; runners not passing checkpoints in time are excluded.

• 10km (JAAF-certified):

  • Categories: Men/Women (High School, General: 18+, 40s, 50s, 60s, 70+); Event Support Runners; Kawagoe Residents.

  • Course: Starts/ends at Kawagoe Water Park, passing through kurazukuri townscape, Kawagoe City Hall (4.1km), and JA Irumano (7.0km).

  • Time Limit: 1 hour 25 minutes; checkpoints at 4.1km (9:55 AM), 7.0km (10:20 AM).

  • Details: Suitable for intermediate runners; checkpoint exclusions apply.

• Fun Run General (~4km):

  • Categories: Junior high school students and above; Event Support Runners; Kawagoe Residents.

  • Course: Shorter loop through Kawagoe Water Park and nearby kurazukuri townscape.

  • Time Limit: 60 minutes.

  • Details: Non-competitive; no awards ceremony, but completion certificates issued at finish.

• Fun Run Pairs (~4km):

  • Categories: Elementary school students with parent/guardian; Event Support Runners; Kawagoe Residents.

  • Course: Same as Fun Run General; parent/guardian applies for pair.

  • Time Limit: 60 minutes.

  • Details: Family-friendly; completion certificates issued at finish.

• Course Features: All events run through Kawagoe’s historic kurazukuri townscape, featuring Edo-period architecture. Half Marathon and 10km are JAAF-certified with automated timing; Fun Run is untimed but scenic.

• Format: Follows 2025 JAAF rules; bibs worn on front (Half Marathon/10km JAAF runners also on back). Awards for top 8 in Half Marathon/10km (1st–3rd at ceremony); Fun Run has completion certificates only.

Eligibility

• General:

  • Healthy runners able to complete their event within the time limit (Half: 2h45m, 10km: 1h25m, Fun Run: 60m).

  • Agree to event terms and conditions; medical examination recommended pre-race.

  • Under 18 (10km High School, Fun Run) requires parental consent.

• Half Marathon: 18+ (no high school students).

• 10km: High school students and above.

• Fun Run General: Junior high school students and above.

• Fun Run Pairs: Elementary school students with parent/guardian.

• Restrictions: One event per person; no event changes post-registration. False info (age, gender, address) or proxy runners lead to disqualification.

Capacity

• Total: 10,000 participants.

  • Half Marathon: 6,000

  • 10km: 3,000

  • Fun Run General: 500

  • Fun Run Pairs: 250 pairs (500 participants)

• Priority Slots (included in capacity):

  • Kawagoe Residents: ~20% (~2,000 slots across events)

  • Event Support Runners: 100 slots

  • Hometown Tax: 100 slots

• Note: Registration closes when capacity is reached or on September 15, 2025.

Features

• Awards: Half Marathon/10km: 1st–8th place (certificate, additional prize); 1st–3rd attend awards ceremony (check program for times). No Fun Run awards.

• Finisher Certificates: Half Marathon/10km: Downloadable post-race from https://www.koedo-marathon.com. Fun Run: Issued at finish venue.

• Participant Benefits: Support shop map for Kawagoe sightseeing included with bibs (shipped ~November 14, 2025).

• Services: Changing rooms, free luggage storage, 1,800 coin lockers (200 yen, 100-yen coins), first aid, recreational insurance (bring insurance card copy).

• Media: Photos, videos, and results may be published on website, TV, newspapers, or magazines; organizers own publication rights.

• Course: JAAF-certified for Half Marathon/10km; scenic kurazukuri townscape with Edo-era charm, praised on X for “unique cultural experience.”

Ticket Information

Event Date & Time

• Location: Kawagoe Water Park, 880-1 Oaza Imanari, Kawagoe City, Saitama Prefecture, 350-1175, Japan (Google Maps: https://maps.app.goo.gl/5X3z9k6s8z9k6s8).

• Date: Sunday, November 30, 2025 (held rain or shine; canceled for severe weather).

• Schedule (Tentative, per program shipped ~November 14, 2025):

  • 07:00 AM: Venue opens; registration/check-in.

  • 08:00 AM: Half Marathon start.

  • 08:30 AM: 10km start.

  • 09:00 AM: Fun Run (General/Pairs) start.

  • ~12:00 PM: Awards ceremony and event conclusion.

• Duration: Approximately 5 hours (07:00 AM–12:00 PM).

  • Half Marathon: ~2–2.5 hours (2h45m limit).

  • 10km: ~40–80 minutes (1h25m limit).

  • Fun Run: ~30–60 minutes (60m limit).

• Note: Check https://www.koedo-marathon.com for program. Bibs shipped ~November 14, 2025; reissue fee 2,000 yen if lost. Bring bibs to race.

Purchase Channels

• Jasumo Tickets: Contact Jasumo Tickets (https://jasumotickets.com/contact) for bilingual support, ideal for international runners. Specify event, category, and parking needs.

• Official Website: Apply via https://www.koedo-marathon.com or Sports Entry platform. Fun Run Pairs: parent/guardian applies, child info added post-selection.

• Note: Provide name, age, gender, address (Kawagoe residents verify residency), and parental consent (if under 18). Notify address changes by October 17, 2025, to Entry Center.

Rules

• Application:

  • Kawagoe Residents: August 5–7, 2025, 12:00 PM JST.

  • General/Event Support Runners: August 19–September 15, 2025, 12:00 PM JST.

  • No event changes, cancellations, or refunds post-registration. False info or proxy runners lead to disqualification.

• Course Rules:

  • Follow 2025 JAAF rules; bibs on front (Half/10km JAAF runners also on back).

  • Pass checkpoints within time limits or be excluded.

  • No flashy costumes; warm up pre-race; withdraw if unwell.

• Cancellation: No refunds for weather, disasters, or personal reasons; souvenirs mailed later if canceled.

• Liability: Organizers provide first aid and recreational insurance; no further liability. Bring insurance card copy.

• Media: Photos, videos, and results may be used for promotion; publication rights belong to organizers.

• Personal Info: Handled per Personal Information Protection Policy for event operations (e.g., bibs, results, notifications).

• Equipment: Wear running attire, JAAF-compliant shoes, bibs; bring insurance card, coins for lockers, and change clothes to reduce congestion.

• Parking: Paid (2,000 yen, 350 total slots: 40 residents, 300 general, 10 support runners); apply at registration. No pick-up/drop-off without parking ticket.

Ticket Types & Pricing

• Official Pricing (Tax Included):

  • Half Marathon:

    • General/Kawagoe Residents (Men/Women, 18+, 40s, 50s, 60s, 70+): 7,000 yen

    • Event Support Runners (Men/Women, 18+, 40s, 50s, 60s, 70+): 17,000 yen

  • 10km:

    • General/Kawagoe Residents (High School Boys/Girls): 3,000 yen

    • General/Kawagoe Residents (Men/Women, 18+, 40s, 50s, 60s, 70+): 6,000 yen

    • Event Support Runners (High School Boys/Girls): 13,000 yen

    • Event Support Runners (Men/Women, 18+, 40s, 50s, 60s, 70+): 16,000 yen

  • Fun Run General (Junior High and above):

    • General/Kawagoe Residents: 4,000 yen

    • Event Support Runners: 14,000 yen

  • Fun Run Pairs (Elementary + Guardian):

    • General/Kawagoe Residents: 5,000 yen per pair

    • Event Support Runners: 25,000 yen per pair

  • Parking (Kawagoe Residents/General/Event Support Runners): 2,000 yen per car

• Pricing Range:

  • Minimum: 3,000 yen (10km High School General/Kawagoe Residents)

  • Maximum: 27,000 yen (Fun Run Pairs Event Support Runners + Parking)

• Note: Event Support Runner fees fund safety measures. Fun Run Pairs fee covers pair. Contact Jasumo Tickets (https://jasumotickets.com/contact) or Entry Center (048-778-5880) for details.

Sales Schedule

• Registration Period:

  • Kawagoe Residents: August 5, 2025, 12:00 PM–August 7, 2025, 23:59 JST.

  • General/Event Support Runners: August 19, 2025, 12:00 PM–September 15, 2025, 23:59 JST.

• Bib Shipment: ~November 14, 2025.

• Same-Day Registration: Not available; advance registration required.

• Deadlines: September 15, 2025, 23:59 JST (or when capacity reached).

Program

• 2025 Koedo Kawagoe Half Marathon:

  • Events: Half Marathon (21.0975km), 10km, Fun Run General/Pairs (~4km).

  • Format: JAAF-certified courses (Half/10km) with automated timing; Fun Run untimed. Checkpoints enforce time limits. Awards for top 8 in Half/10km; Fun Run gets completion certificates.

  • Features:

    • Awards: Half/10km: 1st–8th (certificate, prize); 1st–3rd at ceremony.

    • Certificates: Half/10km downloadable; Fun Run issued at finish.

    • Benefits: Support shop map for sightseeing.

    • Services: Changing rooms, free luggage storage, coin lockers (200 yen), first aid, insurance.

  • Atmosphere: Festive and cultural, with kurazukuri townscape backdrop, praised on X for “perfect mix of running and history.”

Performers

• Organizer: Koedo Kawagoe Marathon Executive Committee (Secretariat: Kawagoe City Hall Sports Promotion Division).

• Partners: Japan Athletics Federation (JAAF), Kawagoe City.

• Guests: Race guests TBD (check https://www.koedo-marathon.com for updates).

Venue Details

• Kawagoe Water Park:

  • Location: 880-1 Oaza Imanari, Kawagoe City, Saitama Prefecture, 350-1175, Japan (Google Maps: https://maps.app.goo.gl/5X3z9k6s8z9k6s8).

  • Registration: Check-in at venue (details in program shipped ~November 14, 2025).

• Date: November 30, 2025.

• Capacity: 10,000 participants.

• Access:

  • Train: 15-minute walk from Nishi-Kawagoe Station (JR Kawagoe Line) or 30-minute walk from Kasumigaseki Station (Tobu Tojo Line).

  • Bus: Free shuttle from JR Kawagoe Line/Tobu Tojo Line Kawagoe Station or Seibu Shinjuku Line Hon-Kawagoe Station.

  • Car: Paid parking (2,000 yen, 350 slots); apply at registration. No pick-up/drop-off without ticket.

  • Bicycle/Motorcycle: Parking available.

  • From Tokyo: ~60–78 minutes via Tokyu Toyoko Line or Tokyo Metro Fukutoshin Line to Kawagoe Station, then shuttle/walk.

  • From Saitama City: ~30 minutes by train to Kawagoe Station.

• Attractions: Kurazukuri Street, Kawagoe Hikawa Shrine, Candy Alley, Toki no Kane bell tower, local sweet potato treats.

Booking with Jasumo

• How: Contact Jasumo Tickets (https://jasumotickets.com/contact) or apply via https://www.koedo-marathon.com. Specify event, category, parking, and Fun Run Pairs child info.

• Benefits: Bilingual support for navigating Japanese registration and residency verification, ideal for international runners.

• Note: Register by September 15, 2025. Bibs shipped ~November 14, 2025; address changes by October 17, 2025, to Entry Center (048-778-5880).

Inquiries

• General/Applications: Koedo Kawagoe Marathon Executive Committee, 1-3-1 Motomachi, Kawagoe City, Saitama Prefecture, 350-8601 (049-228-0102, Monday–Friday, 8:30 AM–5:15 PM, excluding holidays).

• Entry Center: Tomohitsu Building No. 7, 1-16-3 Asamadai, Ageo City, Saitama Prefecture, 362-0073 (048-778-5880, Monday–Friday, 10:00 AM–5:00 PM, excluding holidays and August 9–17).

• Online: Official Website (https://www.koedo-marathon.com).

Disclaimer

Jasumo offers a facilitation service for participants, including foreign tourists and non-Japanese residents, to access the 2025 Koedo Kawagoe Half Marathon. We are not a ticket reseller and do not sell tickets directly. Our role is to guide participants through the official registration process, ensuring a smooth experience.

We address common challenges such as:

• Language Barriers: Bilingual support for Japanese-language systems and residency verification.

• Platform Access: Assistance with event selection, Fun Run Pairs, and parking applications.

• Confirmation: Bibs shipped ~November 14, 2025; contact Entry Center for issues.

Event Information: Check https://www.koedo-marathon.com for updates, race guests, and application status. No refunds for cancellations; souvenirs mailed if canceled. No compensation for travel/accommodation. Contact Jasumo Tickets (https://jasumotickets.com/contact) or Entry Center (048-778-5880) by September 15, 2025.

Reviews

• “Running through kurazukuri was unforgettable!” – Half Marathon runner on X

• “Well-organized, with great post-race sightseeing perks.” – 10km participant

• “Jasumo made registering from abroad seamless.” – International runner

• “Fun Run was perfect for my kid and me!” – Parent in Pairs event