Speed Skating 
FEB
Gangneung Oval

Winter Olympic debut: 1924
Sochi 2x500m gold medallist Michel Mulder (NED)


Two skaters: Compete in outer and inner lanes, swapping lanes after each lap (except in team pursuit and mass start races)
Lane changes: Only allowed on this straight (forbidden on first lap of 1000m and 1500m events)

Clap skate: Blade attaches to boot via spring-loaded hinge at front, allowing skate to remain in contact with ice longer

Track length: 400m
Start: Team pursuit
Start: 3000m, 5000m
Start: 500m
Start: 1000m
Start: 1500m
Start/finish: Mass start
Start/finish: 10000m
Finish: 1000m
Finish: 500m, 1500m, 3000m, 5000m
Finish: Team pursuit
Practice lane
Inner lane
Outer lane

NEW EVENT – Mass Start: Twenty-four skaters  line up in four rows, for 16-lap race, using all three lanes

Gold medal winners Sochi 2014
2x500m
1000m
1500m
5000m
10000m
Team Pursuit
M. Mulder (NED)
S. Groothuis (NED)
Z. Brodka (POL)
S. Kramer (NED)
J. Bergsma (NED)
Netherlands
2x500m
1000m
1500m
3000m
5000m
Team Pursuit
S. H. Lee (KOR)
H. Zhang (CHN)
J. T. Mors (NED)
I. Wüst (NED)
M. Sáblíková (CZE)
Netherlands

Sources: POCOG, ISU, IOC
Original picture: Associated Press