Key facts
Timing
Available
Race options
Distances
10 km
JOYFIT × FIT365 10Kラン
- Run
- 10 km
10km
Olympic triathlon
スタンダードディスタンス
- Swim
- 1.5 km
- Bike
- 40 km
- Run
- 10 km
51.5km
Other
パラチャレンジ
- Swim
- 0.025 km
- Bike
- 3 km
- Run
- 1 km
4.025km
70.3 triathlon
ミドルディスタンス
- Swim
- 1.9 km
- Bike
- 90.1 km
- Run
- 21.1 km
113.1km
Course profile
Course details from reviewed or official sources.
スタンダードディスタンス
General course profile
General course information for this distance. Details may not be confirmed specifically for this edition year.
- Surface
- Road
- Course format
- Mixed
- Cutoff time
- 4h 30m (last wave start)
- Cutoff notes
- Official 2026 race info: Standard 4h30 from swim start.
Swim
- Water type
- Ocean
- Water body
- 一宮海岸（九十九里）
Bike
- Surface
- Road
Run
- Surface
- Road
Transition
- Format
- Single transition area
ミドルディスタンス
General course profile
General course information for this distance. Details may not be confirmed specifically for this edition year.
- Surface
- Road
- Course format
- Mixed
- Cutoff time
- 8h (last wave start)
- Cutoff notes
- Official 2026 race info: Middle 8h from swim start; swim 1h20; bike 5h20; run 8h. Discipline times stay in notes.
Swim
- Water type
- Ocean
- Water body
- 一宮海岸（九十九里）
Bike
- Surface
- Road
Run
- Surface
- Road
Transition
- Format
- Single transition area
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