The lighting on this is very effective and the photo well executed. The composition is strong and it works well in black and white. The only thing that doesn't grab me is that it doesn't quite portray enough dynamics or action. The guys all look like they were hanging there for a while waiting for the photo to be taken. This may have been your intention but I feel it gives the image a strange static feel that detracts from the potential power of the image. The image has great technical merit overall. Good Luck with the challenge.
Cute. Nice job of post-processing with the edge burning to bring the viewer to center. Very sharp and well focused. Hope you didn't make them hold that pose for very long! :D Good luck in the challenge.