What they say
“I had the split. I did not have the week. She wrote the week from the file, and I could recover from it.”
The coach. The desk. The file.
Not a split you copied. Not an hourly hour. A sport coach with only the good data, on the phone and on text, twenty-four hours.
Let's get startedWhat they say
“I had the split. I did not have the week. She wrote the week from the file, and I could recover from it.”
Coach · Running
Endurance coach on this desk. 5k, 800, marathon, ultra. Pacing, the long, easy days, the file. If the sport is running, start with her.

catherine.flockhart
6 postsEndurance coachHealthAI
Catherine is the endurance coach on healthai.coach. She writes weeks for the 5k, the 800, the marathon, and the ultra, and for people who just want to last. She knows pacing, long-run ownership, easy-day discipline, and how to read a file from Whoop or a long on Sunday. The backstory is simple: she looks 24 and talks like she has already sat every distance.






“I used to ask the open internet and hope. Catherine only has good data. That is the whole difference.”
Text · The terminal
Ask a general engine and you get the open internet. Catherine is only given the best data: PhDs, coaches, the smartest minds in their fields. Hundreds of years of knowledge. She only has good data.
Call · 24 hours
Most coaches: one hour, an hourly rate, one person’s knowledge. Catherine is on 24 hours, 365 days. Typical use is $30 a month — more only if you call more than 90% of HealthAI.coach users. The week comes back from the conversation, instantly.
“I text her at 5 a.m. I call her on the long. Thirty a month. She texts the plan back before I put the phone down.”
File · Whoop · Oura · Hume · Garmin · Apple Watch · Labs
Whoop, Oura, Hume, Garmin, Apple Watch — or another device if you ask and the manufacturer allows it. Labs from saliva, stool, or blood. A letter grade every block. Posts you can publish. From the file, not a vibe.
“Whoop, labs, the last seven days — she already has it. The grade at the end of the block is from that, not a vibe.”
Products
Same coach. Same file. Choose how much of her you want on the line.
Health
$30
a month
The portal. Text Catherine. The file. The week. Labs and wearables. The letter grade. Posts you can publish.
Health — $30