speedruns! pro_jn zelda 2 runs are very cool. an entertaining beard. skybliz does SMW and just got partnered.
chrono trigger tournament(
http://ctt.neocities.org/) and zelda 3 tournament(
http://challonge.com/aLttPnmg) are almost over, super mario world tournament(
http://challonge.com/allcastles) officially began last night
reddit/speedrun has marathons, GDQ is the biggest and happens twice yearly
https://gamesdonequick.com/schedule