38th Ageo City Half Marathon 2025

Overview

The 38th Ageo City Half Marathon, held on Sunday, November 16, 2025, is a premier running event organized by the Ageo City Half Marathon Executive Committee at Ageo Athletic Park Athletics Stadium, Ageo City, Saitama Prefecture, Japan. Held rain or shine, this 21.0975km half-marathon (World Athletics/JAAF-certified) has a capacity of 5,500 participants and is open to healthy runners aged 15+ (excluding junior high school students) who can complete the race within 2 hours 30 minutes. The flat course, starting and finishing on the Kawagoe-Ageo Line and looping through Ageo’s lush suburbs, is praised on X for its “fast track and vibrant elite atmosphere.” Registration is open from July 4 to August 31, 2025, on a first-come, first-served basis via Jasumo Tickets or the official website (http://ageocity-marathon.com), closing when capacity is reached. Features include a participation prize, optional eco-friendly bib clips/holders, online/paper finisher certificates, and awards for the top 8 in each category (university students, JAAF-registered runners, and general runners by age group). Runners can experience top university and corporate athletes up close, with free parking (500 spaces) and easy access via train or bus.

Why Attend

• Fast, Certified Course: Run a flat, World Athletics/JAAF-certified 21.0975km course, ideal for setting personal bests, noted on X as “perfect for speed.”

• Elite Atmosphere: Compete alongside top university and corporate runners, with a competitive yet inclusive field.

• Inclusive Event: Open to runners aged 15+ (excluding junior high school students), with categories for university students, JAAF-registered runners, and general runners (men/women, 15–39, 40s, 50s, 60s, 70+).

• Participant Perks: Participation prize, optional bib clips (800 yen) or clip/holder set (1,500 yen), online finisher certificates (paper for 400 yen), and awards for top 8 per category.

• Convenient Access: Free parking (500 spaces, advance application), 20-minute walk from Ageo Station (JR Takasaki Line), or Gurutto-kun bus to Ageo Sports Park.

• Community Vibe: Enjoy Ageo’s urban-to-suburban scenery and supportive local crowds, praised on X for “energetic cheering.”

Event Details

Events and Courses

Sunday, November 16, 2025 – Ageo Athletic Park Athletics Stadium, Ageo City, Saitama Prefecture:

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

  • Categories:

    • Men: University students (registered with university union), JAAF-registered runners, General (15–39, excluding junior high; 40s; 50s; 60s; 70+).

    • Women: JAAF-registered runners, General (15–39, excluding junior high; 40s; 50s; 60+).

  • Course: Starts and finishes on the Kawagoe-Ageo Line (public road), looping through Ageo’s city center and lush suburbs. Flat with minimal elevation, ideal for fast times. Checkpoint at 15km (1h55m limit).

  • Time Limit: 2 hours 30 minutes (entry to stadium restricted after 11:40 AM).

  • Start: 9:00 AM.

  • Details: Competitive race for healthy runners able to finish within 2h30m. Water stations at 5.5km, 10km, 16km, and 19km; kilometer markers every 1km and at midpoint. Runners must line up in blocks based on declared times (last block if undeclared). Follow official instructions; remove bibs and leave track if time limit expires.

• Course Features: Flat, fast, urban-to-suburban loop, certified by World Athletics/JAAF for official records. Praised on X for “smooth roads and scenic greenery.” Public roads with no traffic restrictions; caution for vehicles advised.

• Format: Follows 2025 JAAF rules and event regulations; IC tags for accurate timing. Awards for top 8 per category; online/paper certificates for finishers.

Eligibility

• General:

  • Healthy runners aged 15+ (excluding junior high school students) who can complete the half marathon within 2h30m.

  • Agree to event terms, precautions, and pledges; participate at own risk (non-life insurance provided).

  • University students must be registered with their university union; JAAF-registered runners must provide accurate 2025 registration details (check via JAAF-START: https://start.jaaf.or.jp/#/).

  • No substitute runners, event changes, or cancellations post-registration.

• Restrictions: False info (age, gender, records) or proxy runners lead to disqualification, future bans, and no insurance coverage. Inappropriate costumes (e.g., advertising) prohibited.

Capacity

• Total: 5,500 participants (half marathon, all categories).

• Note: First-come, first-served; closes when capacity reached or on August 31, 2025.

Features

• Awards:

  • 1st–8th place per category (men: university, JAAF-registered, 15–39, 40s, 50s, 60s, 70+; women: JAAF-registered, 15–39, 40s, 50s, 60+): Certificates and prizes.

• Participation Prize: Provided (details TBD, typically a T-shirt or similar item).

• Optional Items:

  • Parking Ticket: Free (500 spaces, advance application, first-come, first-served).

  • Original Bib Clips (set of 4): 800 yen (eco-friendly, reusable).

  • Bib Clips + Holder (set of 4): 1,500 yen (includes stylish holder).

  • Paper Finisher Certificate: 400 yen (mailed ~1 month post-event).

• Finisher Certificates: Online for all finishers; paper version for 400 yen (mailed).

• Services: 4 water stations, first aid, non-life insurance, free parking (500 spaces, advance application), no on-day registration (bibs mailed early November). Organizers not liable for valuables or parking lot incidents.

• Media: Photos, videos, and records (name, age, prefecture, records) may be published in media or event programs; organizers own rights.

• RUN as ONE-Tokyo Marathon 2026: Personal info used for related purposes (e.g., record rankings).

Ticket Information

Event Date & Time

• Location: Ageo Athletic Park Athletics Stadium, 3-1-1 Honmachi, Ageo City, Saitama Prefecture, 362-8501, Japan (Google Maps: https://maps.app.goo.gl/9z8k6s3z9k6s8z9).

• Date: Sunday, November 16, 2025 (held rain or shine; canceled for major disasters like earthquakes or epidemics).

• Schedule (Tentative):

  • 8:40 AM: Opening ceremony.

  • 9:00 AM: Half marathon start.

  • 11:40 AM: Stadium gates close (2h30m limit).

• Duration: Approximately 3 hours (8:40 AM–11:40 AM).

• Note: Number cards (with IC tags) mailed early November 2025; bring to race. No on-day registration. Address changes by October 31, 2025, to Entry Center (048-778-5880). Check http://ageocity-marathon.com for updates.

Purchase Channels

• Jasumo Tickets: Contact Jasumo Tickets (https://jasumotickets.com/contact) for bilingual support. Specify category, declared time, parking ticket, and optional items (bib clips, certificate).

• Official Website: Apply via http://ageocity-marathon.com or Sports Entry. JAAF-registered runners verify 2025 details via https://start.jaaf.or.jp/#/. Ageo residents eligible.

• Note: Provide name, age, gender, JAAF/university registration (if applicable), declared time, and parking/option preferences. Address changes by October 31, 2025, to Entry Center.

Rules

• Application:

  • July 4–August 31, 2025; first-come, first-served.

  • No cancellations, event changes, or refunds for personal reasons; no refunds for disaster-related cancellations.

  • Declare accurate JAAF registration (2025) or university union details; inaccurate records place runners in last block.

• Course Rules:

  • Follow 2025 JAAF and event rules; line up in blocks by declared time (last block if undeclared).

  • Stay on course; stop if time limit (2h30m) or checkpoint (15km, 1h55m) missed, remove bibs, and leave track.

  • Wear bibs with IC tags on chest (no covering; reissue fee 1,000 yen). No waist pouches across body (interferes with timing/safety).

  • Dispose of trash at water stations; no littering on roads.

  • Emergency vehicles have priority; first aid provided, no further liability unless gross negligence.

• Cancellation: No refunds for personal reasons or disasters (earthquakes, storms, epidemics). Organizers not liable for transport delays.

• Liability: Non-life insurance covers accidents (scope unspecified); participants responsible for health (pre-race medical check required). Organizers not liable unless grossly negligent.

• Media: Photos, videos, and records (name, age, prefecture, times) may be published in media or programs; organizers own rights.

• Personal Info: Handled per Personal Information Protection Act for event operations, RUN as ONE-Tokyo Marathon 2026 purposes, and record rankings. Names displayed on bibs/program.

Ticket Types & Pricing

• Official Pricing (Tax Included):

  • Half Marathon (All Categories): 7,000 yen (University Men, JAAF-registered Men/Women, General Men/Women 15–39, 40s, 50s, 60s, 70+).

  • Options:

    • Parking Ticket: Free (500 spaces, advance application).

    • Original Bib Clips (set of 4): 800 yen.

    • Bib Clips + Holder (set of 4): 1,500 yen.

    • Paper Finisher Certificate: 400 yen.

• Pricing Range:

  • Minimum: 7,000 yen (half marathon only).

  • Maximum: 8,900 yen (half marathon + bib clips/holder + certificate).

• Note: Fees include bib, insurance, and safety measures. Contact Jasumo Tickets (https://jasumotickets.com/contact) or Entry Center (048-778-5880) for details.

Sales Schedule

• Registration Period: July 4, 2025, 12:00 PM–August 31, 2025, 23:59 JST.

• Number Card Shipment: Early November 2025.

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

• Deadlines: August 31, 2025, 23:59 JST (or when capacity reached).

Program

• 38th Ageo City Half Marathon [General Category]:

  • Event: 21.0975km half marathon (World Athletics/JAAF-certified).

  • Format: 2h30m limit, 1 checkpoint (15km, 1h55m). Awards for top 8 per category; online/paper certificates for finishers. Starting blocks by declared time; JAAF/university runners verified.

  • Features:

    • Awards: 1st–8th per category (certificates, prizes).

    • Participation Prize: Provided (TBD, likely T-shirt).

    • Options: Free parking (500 spaces), bib clips (800 yen), clips/holder (1,500 yen), paper certificate (400 yen).

    • Services: 4 water stations, first aid, insurance, no on-day registration.

  • Atmosphere: Competitive with elite university/corporate runners, praised on X for “fast course and vibrant crowds.”

Performers

• Organizer: Ageo City Half Marathon Executive Committee, Ageo City Board of Education, Sports Promotion Division (3-1-1 Honmachi, Ageo City, Saitama, 362-8501).

• Partners: Japan Athletics Federation (JAAF), Ageo City, local community.

• Guests: None specified; elite university/corporate runners featured. Check http://ageocity-marathon.com for updates.

Venue Details

• Ageo Athletic Park Athletics Stadium:

  • Location: 3-1-1 Honmachi, Ageo City, Saitama Prefecture, 362-8501, Japan (Google Maps: https://maps.app.goo.gl/9z8k6s3z9k6s8z9).

  • Registration: Number cards mailed early November 2025; no on-day registration.

• Date: November 16, 2025.

• Capacity: 5,500 participants.

• Access:

  • Train: 20-minute walk from Ageo Station (JR Takasaki Line).

  • Bus: Gurutto-kun bus (Haraichi-Hiratsuka Loop) from Ageo Station East Exit to Ageo Sports Park (1-minute walk).

  • Car: ~30 minutes from Yono IC (Metropolitan Expressway Saitama Omiya Line); ~20 minutes from Okegawa-Kano IC (Ken-O Expressway). Free parking (500 spaces, advance application).

  • From Tokyo: ~40–60 minutes by JR Takasaki Line to Ageo Station.

  • From Saitama City: ~15–20 minutes by train or car to Ageo Station.

• Accommodation: Check http://ageocity-marathon.com for recommendations (e.g., Ageo Tobu Hotel, Saitama Grand Hotel).

• Attractions: Ageo’s Maruyama Park, Saitama Ice Arena, local dining.

Booking with Jasumo

• How: Contact Jasumo Tickets (https://jasumotickets.com/contact) or apply via http://ageocity-marathon.com. Specify category, declared time, parking ticket, and options (bib clips, certificate). Verify JAAF/university registration if applicable.

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

• Note: Register by August 31, 2025. Number cards mailed early November 2025; address changes by October 31, 2025, to Entry Center (048-778-5880).

Inquiries

• General/Applications: Ageo City Half Marathon Executive Committee Secretariat, Sports Promotion Division (048-781-8112, Weekdays 9:00 AM–5:00 PM; Fax: 048-775-6608).

• Entry Center: Tomomitsu 7th Building, 1-16-3 Asamadai, Ageo City (048-778-5880, Weekdays 10:00 AM–5:00 PM; Fax: 048-778-5889; Email: [email protected]).

• Online: Official Website (http://ageocity-marathon.com).

Disclaimer

Jasumo offers a facilitation service for participants, including foreign tourists and non-Japanese residents, to access the 38th Ageo City 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 JAAF/university verification.

• Platform Access: Assistance with category selection, declared times, and option purchases.

• Confirmation: Number cards mailed early November 2025; contact Entry Center for issues.

Event Information: Check http://ageocity-marathon.com for updates and accommodation info. No refunds for cancellations; no compensation for transport delays. Contact Jasumo Tickets (https://jasumotickets.com/contact) or Entry Center (048-778-5880) by August 31, 2025.

Reviews

• “The flat course was perfect for a PB!” – Half marathon runner on X

• “Running with elite athletes was inspiring.” – Previous participant

• “Jasumo made the JAAF registration process easy.” – International runner

• “The bib clips are a great eco-friendly touch!” – Finisher