Slow and steady may win the race, but try telling that to bus commuters hoping to make it across 23rd Street in Manhattan.The Straphangers Campaign and Transportation Alternatives gave the M23 the sixth-annual Pokey Award for its average speed of 4 mph at noon during a single weekday test ride.Meanwhile, the M-1, which connects Harlem and the East Village, earned the groups' newest award, the first-ever Schleppie, for least reliable service. One-third of the route's buses have big gaps in service or run off schedule.Check out where your bus rates in the rankings.