Unquestionably for me its rowing, but its not on the list
I played/competed in soccer (a distant 2nd), cricket (a close 3rd), rugby, athletics, swimming, indoor hockey, basketball and cross country. For me rowing is an incredible test of physical power, endurance, determination and in crew boats there is no sport that demands as precise and complete teamwork as rowing.
I love to be very sporty so i have good interest in the all the sports. But my most favorite sport is Tennis. It is really very royal game. I like that in this sport the whole ground is included.
Badminton, ping pong, tennis, rock climbing, and anything where your whole body is included. Running for me is ok, but there isn't enough versatility involved for it to be enjoyable. Now, running through an obstacle course, that's fun.
BOXING! Nothing takes as much mentally, emotionally and physically! Plus, it's a great workout! Great way to lose weight and tone up. When I first started, 4 years ago, I lost 20 pounds! And I'm a female by the way! You know it's harder for us to lose weight!
At the moment, Ultimate Frisbee. I'm new to this and it's very challenging. From what I can see, we're talking competitive interval training here. Instead of doing say 20 sprint intervals, you do dozens of them over a 1.5 hr game, all while having a blast of fun with friends. What more can you ask for?
American football? Who on earth can play this? A few pros. Who can invest in all this equipment etc?