I ran for MIT under Coach Taylor many years ago and can shed insight on an alternative perspective. To the original OP (#24239) she is probably recounting how she felt, but not what actually transpired in a factual sense. Honestly, reading between the lines it sounds like this person was a total neurotic head-case. I knew tons of people like this at MIT, both on and off the track team.
Pressured me to continuously run/compete while injured, prolonging and worsening my injury
Translation: "I wasn't fully injured and wanted to finish off my season, but I blame the coach for communicating that I was capable of competition."
Pressured me into sacrificing my academics to dedicate more time to track
Translation: "Tried to work with me to balance academics and athletics, as countless athletes have been able to do before"
Berated me after bombing a race at nationals, not empathizing with the fact that I was extremely nervous, burnt out, and upset myself
Translation: "I bombed and am so emotionally unstable that I cannot accept criticism. My teammates, coaches, friends, and family were all supporting me and I let them down and don't want to accept accountability"
Told me I didn't have the test scores to get into MIT and got in off of his support and the major I selected alone
Translation: "When I said I wanted to quit, he emphasized and reminded me that I was a recruit and that solid athletics can help boost the credibility of a well-rounded application. He had invested a lot of time and effort into me, and wanted me to understand that I'm part of a team"
Insulted me in one-on-one meetings after every bad race, claiming I was not focused/dedicated/good enough
Translation: "When debriefing after a bad race, the Coach would encourage me by explaining how high my potential was, and that I was capable of much more. I wanted to wallow in sadness after my bad races, and cannot take constructive criticism or motivation."
At this point I'm not hung up over the experience, but when I made the decision to quit, I felt super alone, and thought I was letting down a bunch of people
Translation: "I let down a bunch of people and don't like that they judged me for my actions that they didn't agree with. I don't like being held accountable for my actions, and believe that I exist in a vacuum."
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Let me tell you a story about Coach Taylor. Like this person, I was a "recruit" but during my freshman year I got caught up in the college life, probably partying a bit too much and not balancing academics, athletics, and life in a healthy way. After my first 1500m of the season, I ran an abysmal race... on par with where I was as a sophomore in high school. I hunched over to catch my breath, probably subconsciously trying to make it seem like I gave a good effort, and felt sorry for myself, thinking I should drop out and that this wasn't for me. Coach walked over to me and said: "I'm not going to give up on you until you give up on yourself." I cannot tell you how much those words stung, but it lit a fire in me to try and clean up my act. By the time I graduated, I improved 33 seconds in the 1500m to break the school record and become the national D3 leader.
If you're looking for a coach that takes a no-nonsense and holistic attitude towards helping you achieve your athletic goals at an incredibly rigorous academic institution, then Taylor is your guy. If you aren't internally committed and need to be coddled after bad races, then go to Harvard or Princeton where they'll hand out As just for showing up to class.
I have tremendous respect for Coach and we had a fantastic and collaborative coach/athlete relationship where I was able to reach a level of performance that wouldn't have been possible if I had been dismissed as a D1 walk-on. I followed his instructions, he listened to my input, and if I had the chance to be coached by him again I would.