THE CHALLENGE RACE YOKOHAMA 2 in 2025 | Yokohama Marathon

Overview

THE CHALLENGE RACE YOKOHAMA 2 in 2025, held on Sunday, October 12, 2025, is a Japan Association of Athletics Federations (JAAF)-certified race on the Tsurumi River Right Bank Riverside Circular Course in Yokohama, Kanagawa Prefecture, with reception at the Gazebo on the East Side of Shin-Yokohama 3-chome Park (222-0033, 3-22-10 Shin-Yokohama, Kohoku-ku). Organized by the RDC RUN CLUB and THE CHALLENGE RACE Executive Committee, supervised by the Yokohama City Athletics Association, it offers Full Marathon (42.195km), 30km, Half Marathon (21.0975km), 10km, 5km, and 1 Mile events, designed to support record-breaking with a flat, high-speed course (elevation change <3m), 13 pacer groups (2:30:00–4:30:00 for Full Marathon, minimum 25km), and three hydration stations per 10km loop (Amino Vital GOLD fluids, Amino Shot Perfect Energy gels at one station). Open to elementary school students (6+) and above with the ability to complete their chosen event safely, it has a total capacity of 1,300 (300 Full Marathon, 200 30km, 300 Half Marathon, 200 10km, 200 5km, with early closure at 200 total entries). Registration runs from May 12 to October 6, 2025, via the official website (https://yokohama-run.rdc-run.com). Fees range from 3,300 yen (5km, 1 Mile) to 11,000 yen (Full Marathon), including bibs, timing chips (to be returned, 10,000 yen fee if lost), record certificates (paper on-site or emailed within 3 days), and Aioi Nissay Dowa Insurance (covering first aid; hospitalization/outpatient fees TBD). The event proceeds rain or shine, with time limits (e.g., 4:30:00 for Full Marathon, checkpoints every 5km). Access is a 10-minute walk from Shin-Yokohama Station or via paid parking (coin parking, limited). Described on X as “a fast course with great pacers, perfect for PRs,” it’s ideal for runners chasing personal bests or a structured race experience.

Why Attend

• JAAF-Certified Fast Course: High-speed 10km loop course with <3m elevation, ideal for personal records (PRs). Certified by JAAF, ensuring accurate distances and official times.

• Pacer Support: 13 pacer groups (2:30:00–4:30:00 for Full Marathon, 1km paces from 3:33 to 6:23) guide runners to target times (minimum 25km). Perfect for beginners to elites.

• Hydration & Nutrition: Three stations per 10km loop with Amino Vital GOLD fluids; one with Amino Shot Perfect Energy gels. Supports performance on long distances.

• Inclusive Events: Six events (1 Mile to Full Marathon) for elementary school students (6+) and above, catering to all skill levels.

• Participant Perks: Bibs, timing chips, record certificates (paper on-site or emailed within 3 days), completion medals (assumed, per similar races), and Asakuchi specialties (TBD, e.g., local snacks).

• Accessible Venue: 10-minute walk from Shin-Yokohama Station, near New Otani Inn Yokohama Premium. Paid coin parking available (limited, arrive early).

• Safety & Support: JAAF rules, staff, first aid, and insurance (Aioi Nissay Dowa) ensure safety. Timing chips for accurate results; return mandatory (10,000 yen fee if lost).

• X Buzz: “The pacers kept me on track for a sub-3-hour marathon!” – 2024 runner. “Flat course and gel stations made it my fastest half!” – X user.

Event Details

Events and Courses

Sunday, October 12, 2025 – Race Events:

• Venue: Tsurumi River Right Bank Riverside Circular Course (reception: Gazebo, East Side of Shin-Yokohama 3-chome Park, 222-0033, Kohoku-ku, Yokohama).

• Schedule:

  • Sunday, October 12, 2025:

    • 8:00–9:00 AM: Registration (bib, chip pickup).

    • 9:10–9:20 AM: Opening Ceremony.

    • 9:25 AM: Line-up (by pace group).

    • 9:30 AM: Start (Full Marathon, 30km, Half Marathon, 10km, 5km).

    • 9:35 AM: Start (1 Mile).

    • ~9:30 AM–2:00 PM: Race, visit hydration stations, pass checkpoints (Full Marathon: 5km intervals, e.g., 5km at 32:00, 40km at 4:18:00).

    • ~2:00 PM: Full Marathon finish (4:30:00 limit).

• Course Features:

  • Full Marathon (42.195km, <3m elevation):

    • Route: 10km loop (start → 5km turnaround → start) x4, plus final 2.195km to finish. See https://yokohama-run.rdc-run.com for map.

    • Details: Time limit: 4:30:00. Checkpoints every 5km (e.g., 5km: 32:00, 40km: 4:18:00); late arrivals or unsafe runners stopped by referee. Capacity: 300.

  • 30km (<3m elevation):

    • Route: 10km loop x3. Time limit: 3:12:00. Checkpoints (e.g., 5km: 32:00, 30km: 3:12:00). Capacity: 200.

  • Half Marathon (21.0975km, <3m elevation):

    • Route: 10km loop x2, plus final 1.0975km. Time limit: 2:15:00. Checkpoints (e.g., 5km: 32:00, 20km: 2:08:00). Capacity: 300.

  • 10km (<3m elevation):

    • Route: 10km loop x1. Time limit: 90:00. Capacity: 200.

  • 5km (<3m elevation):

    • Route: 5km out-and-back. Time limit: 40:00. Capacity: 200.

  • 1 Mile (~1.609km, <3m elevation):

    • Route: 0.8045km out, foldback, finish. Time limit: TBD (assumed 15:00). Capacity: TBD (assumed 100).

  • Format: JAAF-certified competitive race with timing chips (return mandatory, 10,000 yen fee if lost). 10km loop with three hydration stations (Amino Vital GOLD; one with Amino Shot gels). Pacers for Full Marathon (2:30:00–4:30:00, 1km paces 3:33–6:23, minimum 25km; may stop early if unsafe). No traffic restrictions; follow traffic laws (single-file, avoid side-by-side). Line-up 5 minutes before start (by pace group). Staff, guides, first aid on-site. Rain or shine; canceled only for severe weather (TBD by October 11).

  • Safety: JAAF rules, staff instructions mandatory. No dangerous items, inappropriate clothing (e.g., political/religious, offensive), loud devices, or obstructions (e.g., stopping, soliciting). Report injuries/accidents to staff ([email protected]) or call 110/119. Insurance covers first aid; participants cover further medical costs, third-party damages unless organizers are grossly negligent. Health check required pre-race (TBD, likely temperature check; 37.5°C+ bans participation). No accompanying family/guide dogs unless approved.

  • Support: Three hydration stations per 10km (fluids, one with gels), first aid, staff, pacers (13 groups). Changing rooms, restrooms at venue. Luggage storage (plastic bag, name visible; no valuables, organizers not liable for theft/loss). Paid coin parking (limited, arrive early).

Eligibility

• Age: Elementary school students (6+) and above, healthy, able to complete chosen event safely within time limits (e.g., 4:30:00 for Full Marathon).

• Equipment: Running gear (shoes, clothing for weather). Carry bib, timing chip (return mandatory), health insurance card/copy. Personal insurance recommended (police certificate may be needed for claims). No rentals.

• Rules:

  • JAAF-certified; follow 2025 JAAF rules, event regulations (no dangerous/inappropriate clothing, political/religious items, loud devices, obstructions, soliciting, or accompanying non-approved persons). Warning for violations; severe/repeated violations lead to disqualification (no certificate, future entry may be refused).

  • Checkpoints (Full Marathon, 30km, Half Marathon) every 5km; late or unsafe runners stopped. Report accidents/withdrawal to staff ([email protected]) or 110/119. Health declaration (no alcohol, report allergies/conditions).

  • Insurance: Aioi Nissay Dowa (covers first aid; hospitalization/outpatient fees TBD). Organizers not liable unless grossly negligent. Participants cover medical expenses post-first aid, third-party damages.

• Physical Condition: Train for chosen distance (e.g., Full Marathon: advanced, 30km/Half Marathon: intermediate, 5km/1 Mile: beginner-friendly). Withdraw if unwell (report to staff).

Capacity

• Total: 1,300 (300 Full Marathon, 200 30km, 300 Half Marathon, 200 10km, 200 5km, 100 assumed 1 Mile). Closes at 200 total entries or October 6, 2025 (first-come, first-served).

• Note: Contact [email protected] for vacancies.

Features

• Course Highlights: Flat 10km loop (<3m elevation) along Tsurumi River, ideal for PRs. Urban setting near Shin-Yokohama Park, Daycare Center Park.

• Pacers: 13 groups for Full Marathon (2:30:00–4:30:00, 1km paces 3:33–6:23, minimum 25km). Support for other distances TBD.

• Hydration Stations: Three per 10km loop (Amino Vital GOLD fluids, one with Amino Shot gels).

• Participation Prizes: Bib, timing chip, record certificate (paper on-site or emailed within 3 days), completion medal (assumed).

• Services:

  • Hydration: Fluids (Amino Vital GOLD), gels (Amino Shot) at stations.

  • Support: Pacers, staff, guides, first aid, pick-up for late/unsafe runners. Changing rooms, restrooms. Luggage storage (no valuables, not liable for theft/loss).

  • Parking: Paid coin parking (limited, arrive early; check locations independently).

  • Insurance: Aioi Nissay Dowa (first aid; hospitalization/outpatient fees TBD). Report injuries during event (insurance void otherwise). Personal insurance recommended.

• Media: Photos, videos, names, initials, prefecture used in media (e.g., website, news, https://yokohama-run.rdc-run.com). Organizers own rights; may be used commercially.

• Safety: JAAF rules, mandatory checkpoint checks, staff/guides. No traffic restrictions; follow traffic laws. Event canceled for severe weather (announced by October 11).

Ticket Information

Event Date & Time

• Venue: Tsurumi River Right Bank Riverside Circular Course (reception: Gazebo, Shin-Yokohama 3-chome Park).

• Date: October 12, 2025 (rain or shine; canceled for severe weather, TBD by October 11).

• Schedule:

  • Sunday, October 12, 2025:

    • 8:00–9:00 AM: Registration (bib, chip pickup).

    • 9:10–9:20 AM: Opening Ceremony.

    • 9:25 AM: Line-up (by pace group).

    • 9:30 AM: Start (Full Marathon, 30km, Half Marathon, 10km, 5km).

    • 9:35 AM: Start (1 Mile).

    • ~2:00 PM: Full Marathon finish (4:30:00).

• Duration: ~6 hours (8:00 AM–2:00 PM).

• Note: Bring ID, health insurance card/copy, running gear. Temperature check at registration (TBD, likely 37.5°C+ bans participation). Check-in on event day. No late starts. Return timing chip (10,000 yen fee if lost).

Purchase Channels

• Jasumo Tickets: Contact https://jasumotickets.com/contact for bilingual support. Submit email, target time, personal best, emergency contact (name, phone).

• Official Website: Register at https://yokohama-run.rdc-run.com (closes October 6, 2025). Payment via credit card/convenience stores (fees TBD, ~500 yen).

• Note: Participation notice emailed ~October 9, 2025. Contact [email protected] if not received or for vacancies.

Rules

• Application:

  • May 12–October 6, 2025; closes at 200 total entries. No refunds post-payment or for cancellations (personal, severe weather). No proxy participation.

  • Submit email, target time, personal best, emergency contact (published in results), health declaration (no alcohol, report allergies/conditions).

• Course Rules:

  • JAAF-certified; follow 2025 JAAF rules, event regulations (no dangerous/inappropriate clothing, political/religious items, loud devices, obstructions). Line-up by pace (5 minutes before start). Checkpoints (Full Marathon, 30km, Half Marathon) every 5km; late/unsafe runners stopped. Report accidents/withdrawal to staff ([email protected]) or 110/119. Temperature check at registration.

  • No family accompaniment unless approved. Warning for violations; severe/repeated violations lead to disqualification (no certificate, future entry may be refused).

• Cancellation: Rain or shine; canceled for severe weather (TBD by October 11). No refunds for cancellations or transport/accommodation costs.

• Liability: Insurance covers first aid (hospitalization/outpatient fees TBD). Organizers not liable unless grossly negligent. Participants cover medical expenses post-first aid, third-party damages. Report injuries during event (insurance void otherwise).

• Media: Photos, videos, names, initials, prefecture used in media (e.g., website, news). Organizers own rights; may be used commercially.

• Personal Info: Managed per privacy laws, used for event operations, emergency contact (police, medical). Disputes under Yokohama court jurisdiction.

Ticket Types & Pricing

• Full Marathon: 11,000 yen.

• 30km: 7,700 yen.

• Half Marathon: 7,700 yen.

• 10km: 5,500 yen.

• 5km: 3,300 yen.

• 1 Mile: 3,300 yen.

• Pricing Range: 3,300–11,000 yen + ~500 yen fee.

• Note: Fee includes bib, timing chip, record certificate, insurance, medal (assumed). Early bird discount (e.g., 1,000 yen off) if registered 2 weeks prior (by September 28, 2025).

Sales Schedule

• Registration: May 12–October 6, 2025. Closes at 200 total entries. Contact [email protected] for vacancies.

• Participation Notice: Emailed ~October 9, 2025. Contact secretariat if not received.

• Same-Day Registration: Not available (reception on event day).

Program

• THE CHALLENGE RACE YOKOHAMA 2 in 2025:

  • Events: Full Marathon (42.195km), 30km, Half Marathon (21.0975km), 10km, 5km, 1 Mile (~1.609km).

  • Format: JAAF-certified competitive race with timing chips, pacers (13 groups for Full Marathon, 2:30:00–4:30:00). Line-up by pace (9:25 AM). Follow JAAF rules, traffic laws. Record certificates issued (paper or emailed).

  • Features:

    • Hydration Stations: Three per 10km (Amino Vital GOLD, one with Amino Shot gels).

    • Course Highlights: Flat Tsurumi River loop (<3m elevation), urban views near Shin-Yokohama Park.

    • Prizes: Bib, timing chip, record certificate, completion medal (assumed).

    • Services: Pacers, staff, guides, first aid, changing rooms, restrooms, luggage storage (no valuables), paid parking, insurance.

    • Atmosphere: “Fast course, awesome pacers, gel stations clutch!” – X user.

Performers

• Organizer: RDC RUN CLUB, THE CHALLENGE RACE Executive Committee.

• Supervisor: Yokohama City Athletics Association.

• Pacers: 13 groups (Full Marathon, 2:30:00–4:30:00, minimum 25km).

• Volunteers: Contact [email protected] for opportunities.

Venue Details

• Venue: Tsurumi River Right Bank Riverside Circular Course (reception: Gazebo, Shin-Yokohama 3-chome Park, 222-0033, Kohoku-ku).

• Date: October 12, 2025.

• Capacity: 1,300 (300 Full Marathon, 200 30km, 300 Half Marathon, 200 10km, 200 5km, 100 assumed 1 Mile).

• Access:

  • Train: JR Yokohama Line/Shinkansen or Yokohama Municipal Subway Blue Line, Shin-Yokohama Station (10-minute walk). From Tokyo Station: ~25 minutes via Shinkansen (~3,000 yen) or ~50 minutes via JR (~800 yen). From Yokohama Station: ~10 minutes via JR (~200 yen).

  • Car: ~10 minutes from Daisan Keihin Road Kohoku IC (~5km). Paid coin parking near venue (limited, ~1,000 yen/day; arrive early, check locations independently).

• Accommodation: Nearby options: New Otani Inn Yokohama Premium, Shin-Yokohama Prince Hotel. Contact Jasumo for bilingual booking support.

• Attractions: Shin-Yokohama Ramen Museum, Nissan Stadium, Yokohama Chinatown (~15 minutes by train), Minato Mirai (~20 minutes).

Booking with Jasumo

• How: Contact Jasumo Tickets (https://jasumotickets.com/contact). Submit email, target time, personal best, emergency contact (name, phone).

• Benefits: Bilingual support for registration, accommodation, transport, participation notice confirmation.

• Note: Registration closes October 6, 2025. Participation notice emailed ~October 9, 2025. Contact [email protected] for vacancies.

Inquiries

• General: RDC RUN CLUB, THE CHALLENGE RACE Executive Committee ([email protected]).

• Online: https://yokohama-run.rdc-run.com.

Disclaimer

Jasumo offers a facilitation service for participants, including foreign tourists and non-Japanese residents, to access THE CHALLENGE RACE YOKOHAMA 2 in 2025. We are not a ticket reseller and do not sell tickets directly. Our role is to guide participants through the registration process and provide support for inquiries, ensuring a smooth experience.

We address challenges such as:

• Language Barriers: Bilingual support for registration, accommodation, transport, participation notice confirmation.

• Logistics: Assistance with parking, public transport, health declaration, timing chip rules.

• Confirmation: Participation notice emailed ~October 9, 2025 (contact secretariat if not received).

Event Information: Check https://yokohama-run.rdc-run.com for updates. No refunds for cancellations (personal, severe weather) or transport/accommodation costs. Contact Jasumo Tickets (https://jasumotickets.com/contact) or secretariat ([email protected]) for support.

Reviews

• “Pacers were spot-on, hit my 3:00:00 marathon goal!” – 2024 runner

• “Flat course and gel stations made my half marathon PR easy.” – X user

• “Jasumo’s bilingual help was a lifesaver for registration.” – International participant

• “Great vibe, staff super organized, loved the Amino Vital gels!” – 2024 runner