400m Relay: Fast Start
800m Relay: Fast StartRegular Event Stages · River City Relay · 1/3
Energy100
Clear XP1,900
Base HP25,000
Map length5,700
Max enemies20
Spawn interval0.03s
Enemy traits 
Traitless
Traitless Boss
Spawn timeline
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Enemies 9 types
| Enemy | Count | Mag. | HP | Attack | First | Respawn |
|---|---|---|---|---|---|---|
 Enemy No.657 | 1 | 250000% | 25,000 | 2,500 | Start | — |
 Snache | Unlimited | 200% | 200 | 30 | 3.33s | 6.67–10s |
 Hippoe | 1 | 200% | 2,000 | 200 | 10s | — |
| Hippoe | 1 | 200% | 2,000 | 200 | 16.67s | — |
 Large White Ball | 1 | 1000% | 5,000 | 500 | 23.33s | — |
 White Wind | Unlimited | 25% | 1,250 | 25 | 25.33s | 20–33.33s |
 Kang Roo | 1 | 200% | 8,000 | 500 | 30s | — |
 Teacher Bear | 1 | 200% | 6,000 | 2,000 | 33.33s | — |
 Le'boin Boss | 1 | 200% | 8,000 | 1,308 | 40s | — |
| Kang Roo | 1 | 200% | 8,000 | 500 | 60s | — |
| Large White Ball | 2 | 1000% | 5,000 | 500 | 66.67s | 20–26.67s |
 Ms. Sign | Unlimited | 100% | 10,000 | 1 | 900s | 900s |
HP and attack include the magnification.
Clear rewards
If the reward chances add up to more than 100, the rows are rolled in order and each later row shares what is left.
EX stages
Clearing it has a 100% chance to open an EX stage.