I shoot Garand Matchs, Service Rifle, CMP sporter (now that's fun), rimfire benchrest and IDPA. Like others, I shoot IDPA for me. Is it a gamer sport now, more or less. Just ignore the game part and shoot and have fun. I've moved more into BR as shooting the rifle matches is getting harder and harder to get into and out of position at my age (73). Ok, I just can't get up anymore, I can get down somewhat. When i have to go into sitting I usually fall backwards.
I tried USPSA and for me it was too much but that too is fun. May try that again. In IDPA and USPSA I don't run to the next spot, I just walk fast. Go out and watch them all and see what you might like.