2012–13 ISU Speed Skating World Cup – World Cup 4
The fourth competition weekend of the 2012–13 ISU Speed Skating World Cup was held in the M-Wave arena in Nagano, Japan, from Saturday, 8 December, until Sunday, 9 December 2012.
Schedule of events
Timeschedule of the event:| Date | Time | Events |
| 8 December | 14:50 JST | 500 m women 500 m men 1000 m women 1000 m men |
| 9 December | 13:50 JST | 500 m women 500 m men 1000 m women 1000 m men |