TrophySimSolutions LLC
About

Engineers who race.

TrophySim was founded by two University of Texas engineers who spent more time around real cars and real telemetry than around catalogs and forum threads — and decided sim racing deserved the same standard.

Our story

We all came up through Texas’ collegiate motorsport scene. One of us was engineering off-road race vehicles for the SAE Baja program. The other two crossed paths at Longhorn Sim Racing — one running the tech side while writing telemetry pipelines for Formula SAE, the other leading the program as president.

Different programs, same problem: every time a friend wanted to get into sim racing, they’d come back a month later with a $5,000 pile of mismatched hardware and a wheel that felt wrong. Nobody could tell them why. So we’d sit down, re-flash firmware, calibrate pedal travel, dial in the FFB curve — and watch them light up the first time the rig actually felt like a car.

TrophySim is what happened when we realized that fix shouldn’t require knowing us personally.

The founders

Three founders. One garage.

Mark Yuan

Co-founder · CEO

  • Sales & operations
  • Client relationships
  • Install lead

Mark is an R&D engineer with the Longhorn Baja Racing program at UT Austin, where he spends his weekends turning wrenches on the off-road race vehicles the team competes with at the SAE Baja Collegiate Design Series.

Gray Marshall

Co-founder · CTO

  • Software
  • Infrastructure
  • Calibration

Gray writes telemetry software for the Longhorn Racing Formula SAE EV team, serves as CTO of Longhorn Sim Racing, and is the founder of PitLane Systems. He owns TrophySim’s technical infrastructure end to end — the calibration pipelines, the install tooling, the website you’re reading.

Dylan Foley

Co-founder · CDO

  • Business development
  • Partnerships
  • Strategy

Dylan is the president of Longhorn Sim Racing and a former Pulsed Power Systems R&D intern at Sandia National Laboratories. As CDO he runs business development at TrophySim — cultivating partnerships, shaping commercial strategy, and driving the company’s growth into new markets.

The bench

Backed by the Longhorn Sim Racing team.

TrophySim isn’t just three people. For multi-rig installs and larger jobs, we draw on the trusted bench of officers and members at Longhorn Sim Racing — engineers, drivers, and builders who already know the hardware, the software, and what a rig is supposed to feel like. Every TrophySim install is staffed by people we’d put in our own seat.

Why we built it

Sim racing, done the way it should’ve been from the start.

We’ve watched friends drop thousands on hardware and zero on calibration. We’ve seen venues spec consumer-grade rigs that wear out in six months under public use. We’ve watched people give up on sim racing because their first setup felt wrong — and they didn’t know it was the firmware, not them.

Sim racing — done right — is one of the most precise, mechanical, satisfying experiences a driver can have. The difference between a good install and a great one is the difference between someone who builds rigs because they were told to and someone who builds rigs because they race.

Every TrophySim build is a rig we’d be proud to drive ourselves — because, often enough, we are.

Ready when you are

Tell us what you want to drive.

Quotes typically land within 24 hours. No commitment, no pressure — just a clear recommendation from people who’ve built their share.

Get a quote

Equipped with brands you trust

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