Its the 11th annual No Pants Subway Ride.

The first No Pants Subway Ride took place in 2002 with seven riders.

Over the years, the act seems to have become infectious.

no-pants-ride-2012-4

(SeeNo Pants Subway Ride 2011)

Photos: Getty Images and RICHARD LAUTENS/TORONTO STAR

no-pants-ride-2012-5

no-pants-ride-2012-6

no-pants-ride-2012-7

no-pants-ride-2012-8

no-pants-ride-2012-2

no-pants-ride-2012-3

no-pants-ride-2012-10

no-pants-ride-2012-11

no-pants-ride-2012-12

no-pants-ride-2012-13

no-pants-ride-2012-14

no-pants-ride-2012-15

no-pants-ride-2012-16

no-pants-ride-2012-17

no-pants-ride-2012-18

no-pants-ride-2012-19

no-pants-ride-2012-20

no-pants-ride-2012-21

no-pants-ride-2012-22

no-pants-ride-2012-23