What's the most underserved sport in terms of coverage?

That's a good one. I covered big races in my town and our paper (like a lot back in the day) had a running/triathlon columnist who was active himself and well-connected. Not a huge audience but a darned loyal one; and if you covered a race with a controversial finish or winner or whatnot, that was gold.

We had a major sprint triathlon every year and the field had a staggered start -- elites went first followed by age groups and beginners at the end (can't throw everyone in the water at once). So the first person to cross the finish line was the winner, and all the reporters/TVs would catch that male and female and be done. In theory. I waited around until the end of the event to get a full results printout (showing my age here), and when I got back to the office I looked closer and saw that the first-place elite male's time was not the fastest -- it was a guy from the 18-25 age group. Turned out that a swimmer from the U of Florida that no one knew entered the event on a whim and kicked ass. Was a hard story to report hours after the event and on deadline (few cell phones) but the best story I ever wrote for the paper.