Building JMX Trainer Coach – A.K.A. Zwift (CyclingTips “From the Top” Podcast)

Wade Wallace from CyclingTips recently interviewed Zwift co-founders Jon Mayfield and Eric Min to talk about how it all began and what has happened since.

It’s a fascinating interview, and a rare one for Jon Mayfield, the man who in 2010 started building the “JMX Trainer Coach” game that would eventually morph into the Zwift we know and love.

“I still had the Kurt Kinetic box sitting there because I’d just unpacked it, and I see that little graph. And I’m like, I bet you I could write some software to sort of decode my speed and give me realtime power output on the screen…”

Jon Mayfield

Listening to the interview it’s clear that Jon is a gifted and experienced game developer. But he was also admittedly pessimistic in his vision of Zwift’s potential, hedging his bets when it came time to quit his job and go all-in as Zwift’s lead developer.

“I never actually wanted us to get this big. I just wanted to build something cool for people that like bikes.”

Jon Mayfield

Jon also explains that he was an introverted cyclist who preferred riding alone, which may explain why things like clubs and events weren’t baked into the game from the start.

“I never got into the group rides. As odd as it seems, I’m an anti-social cyclist. What I like is my solitude.”

Jon Mayfield

The interview also digs into what happened within Zwift in the first half of 2020 – a crazy time for the company and the world at large. This includes letting go of some senior execs in the company, Jon transitioning out of his leadership position on the development team, and a pivot toward Zwift developing their own hardware.

The hardware side has proved to be a challenge, at least partly due to supply chain problems from Covid. Eric discusses this, and explains why Zwift sees hardware as vital to their business:

“It’s not to take business away from our partners, I just don’t think they’ll make enough. That’s the problem. We’re just trying to grow the pie.”

Eric Min

It’s the story of an unlikely partnership, but one that has changed cycling forever. I think you’ll enjoy listening.

Your Thoughts

Share them in the comments below!

Eric Schlange
Eric Schlangehttps://zwiftinsider.com
Eric runs Zwift Insider in the spare time he finds between riding his bike and managing various business interests. He lives in Northern California with his beautiful wife Monica. Follow on Strava

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Jimmie Richey
Jimmie Richey
4 years ago

“I never actually wanted us to get this big. I just wanted to build something cool for people that like bikes.”
Jon Mayfield
“I never got into the group rides. As odd as it seems, I’m an anti-social cyclist. What I like is my solitude.”
Jon Mayfield

The more I find out about Jon Mayfield the more I like him. I may be one of the few people who log 5 hours a week on Zwift but don’t like workouts and don’t care anything about chatting, socializing, or your user name (I don’t care how old you are or what you eat). I just like riding and having someone in front of me I can try to catch and someone behind me I can try to stay ahead of.
Thank you Jon Mayfield.

Roule Thoune
Roule Thoune
4 years ago

Thank you for highlighting this nugget. I listened to it today and found it fascinating, especially as I’ve only been on Zwift for 2.5 years and missed the early years. Those are two very different mentalities revealed through the interviews. The comments towards the end about Zwift’s hardware project woes were particularly interesting.

Brian
Brian
4 years ago

Really interesting, first time I’ve heard this backstory. Kindred spirit with Jon. Corporate process can kill innovation, but there are different stages to a company’s growth. As a runner, I also laughed when he talked about running not being the greatest experience on Zwift.

Also, agree with Roule that the foray into hardware, at the expense of resources dedicated to software, is the direction investors – not users – seem to want the company to go. Barriers to entry is one thing, but a $3,000 Zwift bike is inaccessible to most and goes against their mission of inclusivity. Why try and copy Peloton when they already have a unique business model and market? That decision may ultimately doom Zwift, time will tell.

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