Keinan Briggs Track and Field Athlete - Coach - Mentor is one of the best Track and Field Youtube Channels out. He post about training, workout, philosophies, mechanics, and really explains "How To". Briggs is a self coached 2x USATF National Championship Participant ranking as high as #6 in the USA in the triple jump. Briggs is the head jumps coach at Mater Dei Catholic High in Santa Ana, CA and the Founder/President of The LEAP Squad Track Club in Orange County, CA.