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Checkpoint closing times (scheduled)
Checkpoint closing times have been set for traffic, security, and competition management reasons.
| No. | Checkpoint location | Distance(km) | Closing time | Section pace (per 1km) |
| 1 | Otabi Park | 3.8km | 10:00 | 9 minutes 13 seconds |
| 2 | Tenjinbashi Higashizume | 9.0km | 10:44 | 8 minutes 28 seconds |
| 3 | Sumaura-koen Station | 11.3km | 11:03 | 8 minutes 16 seconds |
| 4 | Maiko-koen | 17.6km | 11:57 | 8 minutes 34 seconds |
| 5 | Maiko Station | 20.3km | 12:20 | 8 minutes 31 seconds |
| 6 | Tarumi Sewage Treatment Plant | 23.4km | 12:49 | 9 minutes 21 seconds |
| 7 | Sumaura-koen Station | 26.8km | 13:19 | 8 minutes 49 seconds |
| 8 | Sumakaihinkoen | 29.0km | 13:41 | 10 minutes 00 seconds |
| 9 | Wadamisaki Station | 34.1km | 14:31 | 9 minutes 48 seconds |
| 10 | Minato Elementary School | 36.8km | 15:00 | 10 minutes 44 seconds |
| 11 | Port Island West Ramp | 41.0km | 15:46 | 10 minutes 57 seconds |
- Regardless of whether you start in the 1st or 2nd wave, the checkpoint closing times are as above.
- Runners who are significantly behind the checkpoint will be instructed to stop the race.
toilet
Number of locations for 2023 tournaments
| Toilet place | Distance(km) | Radix | Position | to the next toilet |
| 1 | start | 416 | - | 1.0km |
| 2 | 1.0km | 15 | right | 0.9km |
| 3 | 1.9km | 20 | left | 0.1km |
| 4 | 2.0km | 19 | left | 0.1km |
| 5 | 2.1km | 12 | left | 1.5km |
| 6 | 3.6km | 10 | left | 0.2km |
| 7 | 3.8km | 20 | left | 1.1km |
| 8 | 4.9km | 20 | left | 0.9km |
| 9 | 5.8km | 8 | left | 0.3km |
| 10 | 6.1km | 10 | right | 2.0km |
| 11 | 8.1km | 28 | left | 2.6km |
| 12 | 10.7km | 10 | right | 0.6km |
| 13 | 11.3km | 9 | right | 1.6km |
| 14 | 12.9km | 8 | right | 3.0km |
| 15 | 15.9km | 10 | right | 1.7km |
| 16 | 17.6km | 2 | right | 2.7km |
| 17 | 20.3km | 14 | right | 0.5km |
| 18 | 20.8km | 25 | right | 2.6km |
| 19 | 23.4km | 11 | right | 1.0km |
| 20 | 24.4km | 8 | right | 3.0km |
| 21 | 27.4km | 10 | right | 1.7km |
| 22 | 29.1km | 10 | right | 0.4km |
| 23 | 29.5km | 13 | right | 0.2km |
| 24 | 29.7km | 11 | right | 2.1km |
| 25 | 31.8km | 14 | right | 1.0km |
| 26 | 32.8km | 10 | right | 1.3km |
| 27 | 34.1km | 7 | right | 1.3km |
| 28 | 35.4km | 16 | right | 1.5km |
| 29 | 36.9km | 10 | left | 1.0km |
| 30 | 37.9km | 2 | right | 0.7km |
| 31 | 38.6km | 2 | right | 0.8km |
| 32 | 39.4km | 4 | left | 0.4km |
| 33 | 39.8km | 4 | left | 1.2km |
| 34 | 41.0km | 5 | right | 1.2km |
| 35 | finish | 191 | - | ｰ |
- There will be signs posted along the course, so please be sure to use the designated areas.
- Please do not use restrooms at shops along the road.
- Please note that the toilets on the course are expected to be crowded, especially up to the 5km point.
- The number of restrooms is subject to change.
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