2025 Aoshima Taiheiyou Marathon

The 2025 Aoshima Taiheiyou Marathon takes place on December 14, 2025, in Miyazaki, Japan, featuring a scenic course along the Pacific coast certified by the Japan Athletics Federation. Participants can expect mild winter weather with daytime highs around 15-17°C (59-63°F), lows near 8-10°C (46-50°F), partly cloudy skies, and a low chance of scattered showers typical for the region in mid-December. The event offers full marathon, 10 km, and 3 km distances with strict time limits, cut-off points for the marathon, gross and net timing, pre-shipped bibs and participant items, and awards across overall and age-group categories.

What distances are available for this event?

• →Marathon (capacity: 10,500 participants)
• →10 km (capacity: 800 participants)
• →3 km (capacity: 500 participants)

How much does registration cost?

• →Marathon: ¥13,500
• →10 km: ¥8,000 (general), ¥5,000 (high school)
• →3 km: ¥6,000 (general), ¥3,500 (high school), ¥3,000 (elementary/junior high)

What payment fees apply to applications?

• →Applications ≤ ¥4,000: flat ¥240 (RUNNET) or ¥220 (Sports Entry)
• →Applications ¥4,001 and above: 6.0% (RUNNET) or 5.3% (Sports Entry)

What information is required during entry?

• →T-shirt size
• →Expected time
• →Address
• →Registration as a member of the entry site (RUNNET or Sports Entry)

What is included in the registration?

• →Athlete bib
• →Participation prize
• →Lunch ticket
• →Luggage bag
• →Sticker
• →All items shipped in advance

What additional options are available?

• →Aota original bento box: ¥1,000 (includes tea)
• →Luggage storage: ¥700 (advance application required)

What group entry options exist?

• →Family or friends can apply together under one representative
• →Each member's details (email, T-shirt size, expected time) entered separately

What are the start times and time limits?

• →Marathon: starts at 9:00, 6h20m limit
• →10 km: starts at 9:50, 2h limit
• →3 km: starts at 9:30, 40m limit

What timing methods are used?

• →Official records: gross time (gun time)
• →Net time used for reference

What marathon checkpoints are in place?

• →Checkpoints at 11 locations (every 5 km, halfway, finish)

What are the marathon cut-off points?

• →1.4 km: 9:35
• →10.1 km: 10:44
• →12.7 km: 11:05
• →17.9 km: 11:47
• →20.6 km: 12:08
• →23.1 km: 12:30
• →26.5 km: 12:59
• →31.7 km: 13:44
• →37.0 km: 14:32
• →Finish: 15:20

What awards are presented?

• →Marathon: top 8 overall (men and women separately), plus age-group awards (under 29, 30s, 40s, 50s, 60s, 70+)
• →10 km and 3 km: top 3 overall and age-group categories
• →Certificates and prizes mailed later

What participant items are provided?

• →Bibs, T-shirts, program, and guide shipped in late November
• →No on-site registration
• →Participation prize: Mizuno original T-shirt
• →Finisher prize: certificate, towel, and other items