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2025 Aoshima Taiheiyou Marathon

📍	Miyazaki, Miyazaki, Japan
🏃	Road
📏	3 km, 10 km, 42 km
📅	Sunday, 14 December 2025

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

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