THE CHALLENGE RACE TOYOSU 8 in 2025

Overview

THE CHALLENGE RACE TOYOSU 8 in 2025, held on Sunday, December 14, 2025, is a Japan Association of Athletics Federations (JAAF)-certified race on the Toyosu Gururi Park Marathon Course, a 5km loop starting and ending at Toyosu Park Flower and Tree Monument Square (2-3 Toyosu, Koto-ku, Tokyo 135-0061). Organized by RDC RUN CLUB and THE CHALLENGE RACE Executive Committee, supervised by JAAF, it offers Full Marathon (42.195km), 30km, Half Marathon (21.0975km), 10km, 5km, and 1 Mile events, designed for record-breaking with a flat urban course, eight pacer groups (2:45:00–4:30:00 for Full Marathon), hydration and food stations at 1.2km per loop (sports drinks, water, salt tablets, sports yokan), and warm-up until 5 minutes before start. Open to elementary school students (6+) and above able to complete their event safely, it has a total capacity of 1,200 (300 Full Marathon, 300 Half Marathon, 200 10km, 200 5km, 200 1 Mile), closing at 300 total entries or December 9, 2025. Registration is from August 6, 2025, to December 9, 2025, via https://toyosu-race.rdc-run.com, with early bird discounts (e.g., Full Marathon: 11,000 yen → 10,000 yen if registered by November 30, 2025). Fees include bibs, timing chips (return mandatory, 10,000 yen fee if lost), record certificates (paper on-site or emailed within 3 days), and Aioi Nissay Dowa Insurance (first aid coverage; hospitalization/outpatient fees TBD). A TEAM ONE TOKYO partner event (Tokyo Marathon Foundation), it offers points based on finishing times (by gender/age) and participation, boosting chances for Tokyo Marathon entry. Access is a 5-minute walk from Toyosu Station (Yurakucho Line), with no dedicated parking (use commercial lots). Described on X as “a fast, urban course with great support,” it’s ideal for personal bests (PRs) and runners of all levels.

Why Attend

• JAAF-Certified Urban Course: Flat 5km loop in Toyosu Gururi Park, certified by JAAF, ensuring accurate distances and official times for PRs.

• Pacer Support: Eight pacer groups (Full Marathon: 2:45:00–4:30:00, 30km: 1:57:36–3:12:00, Half Marathon: 1:22:30–2:15:00, 10km: 39:06–63:58, 5km: 19:33–31:59) for beginners to elites.

• Hydration & Nutrition: Stations at 1.2km per loop (sports drinks, water, salt tablets, sports yokan) support long-distance performance.

• Inclusive Events: Full Marathon, 30km, Half Marathon, 10km, 5km, and 1 Mile for ages 6+ (elementary school and up).

• TEAM ONE TOKYO Partnership: Earn points for Tokyo Marathon entry based on finishing times and participation (see TEAM ONE TOKYO website).

• Participant Perks: Bibs, timing chips, record certificates (paper or emailed), completion medals (assumed), and insurance. Warm-up until 5 minutes before start.

• Accessible Venue: 5-minute walk from Toyosu Station, near LaLaport Toyosu, with commercial parking (TBD, ~1,000 yen/day). No traffic restrictions; follow traffic laws.

• Safety & Support: JAAF rules, staff, first aid, and insurance ensure safety. Timing chips (return mandatory) for accurate results. Luggage storage (plastic bags, no valuables).

• X Buzz: “Toyosu’s flat loop and frequent aid stations made my sub-3 possible!” – 2024 runner. “Perfect urban marathon vibe!” – X user.

Event Details

Events and Courses

Sunday, December 14, 2025 – Race Events:

• Venue: Toyosu Gururi Park Marathon Course (5km loop, start/end at Toyosu Park Flower and Tree Monument Square, 2-3 Toyosu, Koto-ku, Tokyo 135-0061).

• Schedule:

  • Sunday, December 14, 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, fastest first).

    • 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 limit).

• Course Features (based on):

  • Full Marathon (42.195km):

    • Route: 5km loop (start → 1.2km aid → 1st foldback → 2nd foldback → start) x8, plus final foldback to finish. See https://toyosu-race.rdc-run.com for map.

    • Details: Time limit: 4:30:00. Checkpoints every 5km (e.g., 5km: 32:00, 40km: 4:16:00); late/unsafe runners stopped. Capacity: 300.

  • 30km:

    • Route: 5km loop x6. Time limit: 3:12:00. Checkpoints (e.g., 5km: 32:00, 30km: 3:12:00). Capacity: 300 (shared with Half Marathon).

  • Half Marathon (21.0975km):

    • Route: 5km loop x4, plus final foldback to finish. Time limit: 2:30:00. Checkpoints (e.g., 5km: 32:00, 20km: 2:08:00). Capacity: 300.

  • 10km:

    • Route: 5km loop x2. Time limit: 64:00. Capacity: 200.

  • 5km:

    • Route: 5km loop x1. Time limit: 32:00. Capacity: 200.

  • 1 Mile (~1.609km):

    • Route: Start → 0.8045km foldback → finish. Time limit: 12:00. Capacity: 200.

  • Format: JAAF-certified competitive race with timing chips (return mandatory, 10,000 yen fee if lost). 5km loop with aid stations at 1.2km (sports drinks, water, salt tablets, sports yokan). Pacers for Full Marathon (2:45:00–4:30:00), 30km (1:57:36–3:12:00), Half Marathon (1:22:30–2:15:00), 10km (39:06–63:58), 5km (19:33–31:59). No traffic restrictions; follow traffic laws (single-file, avoid side-by-side). Line-up 5 minutes before start (by pace). Staff, guides, first aid on-site. Rain or shine; canceled only for severe weather (TBD by December 13). Warm-up until 9:25 AM.

  • 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: Hydration/food (1.2km per loop; sports drinks, water, salt tablets, yokan), first aid, staff, pacers. Changing rooms, restrooms at venue. Luggage storage (plastic bag, name visible; no valuables, organizers not liable for theft/loss). No dedicated parking; use commercial lots (TBD, ~1,000 yen/day).

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, 3:12:00 for 30km).

• 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 unapproved escorts). Warning for violations; severe/repeated violations lead to disqualification (no certificate, future entry may be refused).

  • Checkpoints (Full Marathon, 30km, Half Marathon, 10km) 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/30km: advanced, Half Marathon: intermediate, 5km/1 Mile: beginner-friendly). Withdraw if unwell (report to staff).

Capacity

• Total: 1,200 (300 Full Marathon, 300 Half Marathon, 200 10km, 200 5km, 200 1 Mile). Closes at 300 total entries or December 9, 2025 (first-come, first-served).

• Minimum Tickets: 1 ticket per participant (individual or group entry).

• Maximum Tickets: 300 total entries across all events (e.g., 1 participant could purchase 1 ticket for any event; groups submit Excel file for multiple entries, capped at 300 total).

• Note: Contact [email protected] for vacancies.

Features

• Course Highlights: Flat 5km loop in Toyosu Gururi Park, urban setting near Tokyo Bay, ideal for PRs. Views of modern Toyosu skyline.

• Pacers: Eight groups (Full Marathon: 2:45:00–4:30:00, 30km: 1:57:36–3:12:00, Half Marathon: 1:22:30–2:15:00, 10km: 39:06–63:58, 5km: 19:33–31:59; may stop early if unsafe).

• Hydration & Meals: Stations at 1.2km per loop (sports drinks, water, salt tablets, sports yokan).

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

• TEAM ONE TOKYO: Earn points for Tokyo Marathon entry (based on finishing times, participation; see TEAM ONE TOKYO website).

• Services:

  • Hydration/Meals: Sports drinks, water, salt tablets, yokan (1.2km per loop).

  • Support: Pacers, staff, guides, first aid, changing rooms, restrooms. Luggage storage (no valuables, not liable for theft/loss).

  • Parking: No dedicated lot; use commercial lots (TBD, ~1,000 yen/day).

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

• Media: Photos, videos, names, ages, prefectures used in media (e.g., website, news, https://toyosu-race.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 December 13).

Ticket Information

Event Date & Time

• Venue: Toyosu Gururi Park Marathon Course (start/end at Toyosu Park Flower and Tree Monument Square).

• Date: December 14, 2025 (rain or shine; canceled for severe weather, TBD by December 13).

• Schedule:

  • Sunday, December 14, 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, event, target time, JAAF ID (if applicable), emergency contact.

• Official Website: Register at https://toyosu-race.rdc-run.com (closes December 9, 2025). Payment via credit card/convenience stores (fees TBD, ~500 yen). Groups submit Excel file to [email protected] (name, furigana, DOB, email, phone, event, target time, JAAF ID, affiliations).

• Note: Participation notice emailed ~December 11, 2025. Contact [email protected] if not received or for vacancies.

Rules

• Application:

  • August 6, 2025–December 9, 2025; closes at 300 total entries. No refunds post-payment or for cancellations (personal, severe weather). No proxy/substitute runners.

  • Submit email, event, target time, JAAF ID (if applicable), affiliations, 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, soliciting). Line-up by pace (9:25 AM). Checkpoints (Full Marathon, 30km, Half Marathon, 10km) every 5km; late/unsafe runners stopped. Report accidents/withdrawal to staff ([email protected]) or 110/119. Temperature check at registration.

  • No unapproved escorts (e.g., family, guide dogs). 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 December 13). 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, ages, prefectures 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 Tokyo court jurisdiction.

Ticket Types & Pricing

• Full Marathon: 11,000 yen (10,000 yen early bird by November 30, 2025).

• 30km: 7,700 yen (7,000 yen early bird by November 30, 2025).

• Half Marathon: 7,700 yen (7,000 yen early bird by November 30, 2025).

• 10km: 5,500 yen (5,000 yen early bird by November 30, 2025).

• 5km: 3,300 yen (3,000 yen early bird by November 30, 2025).

• 1 Mile: 3,300 yen (3,000 yen early bird by November 30, 2025).

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

• Ticket Range: Minimum 1 ticket per participant; maximum 300 total entries across all events (first-come, first-served).

• Note: Fee includes bib, timing chip, record certificate, insurance, medal (assumed). No race changes post-entry.

Sales Schedule

• Registration: August 6, 2025–December 9, 2025. Closes at 300 total entries. Contact [email protected] for vacancies.

• Participation Notice: Emailed ~December 11, 2025. Contact secretariat if not received.

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

Program

• THE CHALLENGE RACE TOYOSU 8 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 (eight groups). Line-up by pace (9:25 AM). Follow JAAF rules, traffic laws. Record certificates issued (paper or emailed).

  • Features:

    • Hydration/Meals: Sports drinks, water, salt tablets, yokan (1.2km per loop).

    • Course Highlights: Flat 5km loop in Toyosu Gururi Park, urban Tokyo Bay views.

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

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

    • Atmosphere: “Fast course, frequent aid stations, and Tokyo skyline vibes!” – X user.

Performers

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

• Supervisor: Japan Association of Athletics Federations (JAAF).

• Partners: Aminovital, Coffee and Rice Balls PAMOJA, Tokyo Masters Athletics Federation, TEAM ONE TOKYO (Tokyo Marathon Foundation).

• Pacers: Eight groups (Full Marathon, 30km, Half Marathon, 10km, 5km).

• Volunteers: Contact [email protected] for opportunities.

Venue Details

• Venue: Toyosu Gururi Park Marathon Course (start/end at Toyosu Park Flower and Tree Monument Square, 2-3 Toyosu, Koto-ku, Tokyo 135-0061).

• Date: December 14, 2025.

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

• Access:

  • Train: Yurakucho Line, Toyosu Station (5-minute walk). From Tokyo Station: ~10 minutes (~200 yen). From Shinjuku: ~20 minutes (~400 yen).

  • Car: ~10 minutes from Shuto Expressway Toyosu IC (~3km). No dedicated parking; commercial lots nearby (TBD, ~1,000 yen/day).

• Accommodation: Nearby options: LaLaport Toyosu hotels, APA Hotel Koto-Toyosu. Contact Jasumo for bilingual booking support.

• Attractions: Toyosu Market (~10-minute walk), Tokyo Bay (~15-minute walk), Odaiba (~15 minutes by train).

Booking with Jasumo

• How: Contact Jasumo Tickets (https://jasumotickets.com/contact). Submit email, event, target time, JAAF ID (if applicable), emergency contact.

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

• Note: Registration closes December 9, 2025. Notice emailed ~December 11, 2025. Contact [email protected] for vacancies.

Inquiries

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

• Online: https://toyosu-race.rdc-run.com.

Disclaimer

Jasumo offers a facilitation service for participants, including foreign tourists and non-Japanese residents, to access THE CHALLENGE RACE TOYOSU 8 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 ~December 11, 2025 (contact secretariat if not received).

Event Information: Check https://toyosu-race.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

• “Toyosu’s loop course was perfect for my PR!” – 2024 runner

• “Yokan and pacers kept me on track for sub-4!” – X user

• “Jasumo made registration from abroad a breeze.” – International participant

• “Urban vibes and frequent aid stations were top-notch!” – 2024 runner