REI Outdoor School
I work for REI as an Outdoor School Instructor. I teach basic SUP, kayaking, Mt. biking, trail running and navigation. They also have great climbing classes.
Paddle Monster is a subscription based coaching site that gives normal paddlers access to the best paddle training and technique information available. Paddle Monster was founded by Larry Cain, an Olympic Gold and Silver Medalist and Olympic Paddle Coach and John Beausang.
PaddleFit is a SUP and outdoor fitness coaching and training system.
Quick Blade Jim Terrell stroke analysis
Quick Blade founder Jim Terrell has 2 great SUP stroke analysis videos. Check it out.
Paddle Like a Pro with Danny Ching DVD
Top paddler Danny Ching's SUP stroke and skills DVD is definitely worth it.
SUPExaminer "How To" articles
Here are some interesting "How To" articles from SUPExaminer.
SUP the Magazine Skills articles.
Paddle Monster's Larry Cain's video analysis of my SUP stroke
I highly recommend having your stroke analyzed by coach Larry Cain.
Strava Marina del Rey 2000 Meter SUP Time Trial
This is a flat water, 2k time trial segment on Strava that anyone can use to track their SUP fitness. Give it a shot and try get you PR!