UFC

Thomas “The Train”Petersen

UFC11-5-0

Division
Heavyweight
Stance
Southpaw
Height
6' 1"
Weight
264 lbs.
Reach
74"

Recent fight form

Latest 5 verified results in our archive · 2025-02-01 to 2026-07-25

Wins

2 / 5

Losses

3 / 5

Historical results, not a prediction. See opponents and methods in fight history below.

Fight history

Thomas Petersen Bio

Thomas Petersen is an American professional mixed martial artist competing in the UFC heavyweight division. Known by the nickname “The Train,” he is listed by the UFC as an active fighter who trains at The Striking Institute and uses a boxing-oriented style. Petersen is listed at 6 feet 1 inch with a 74-inch reach.

Before entering the UFC, Petersen developed a wrestling background and became a 2017 NJCAA national champion at Iowa Central. He transitioned into professional MMA and later won a place on the UFC roster through Dana White’s Contender Series. His UFC debut took place on February 3, 2024, against Jamal Pogues.

Petersen has reached several notable career milestones, including winning the LFA heavyweight championship before moving to the UFC. In UFC competition, he earned a decision victory over Mohammed Usman and defeated Don’Tale Mayes by decision. On April 4, 2026, he defeated Guilherme Pat by majority decision. His most recent listed bout was a July 25, 2026, submission loss to Valter Walker by calf slicer.

Record
11-5-0
Division
Heavyweight
Stance
Southpaw
Height
6' 1"
Weight
264 lbs.
Reach
74"

Thomas Petersen Questions & Answers

What division does Thomas Petersen compete in?

Thomas Petersen competes in the UFC heavyweight division. The UFC lists him as active as of October 26, 2026.

What are Thomas Petersen’s listed height and reach?

Thomas Petersen is listed at 6 feet 1 inch tall with a 74-inch reach.

When was Thomas Petersen born?

Thomas Petersen’s listed birth date is March 30, 1995.

What wrestling achievement did Thomas Petersen earn before becoming a UFC fighter?

Thomas Petersen was a 2017 NJCAA national wrestling champion at Iowa Central. He also described himself as a two-time state wrestling champion.

When did Thomas Petersen make his UFC debut?

Thomas Petersen made his UFC debut on February 3, 2024, against Jamal Pogues.

What fighting style and training location does the UFC list for Thomas Petersen?

The UFC lists Thomas Petersen’s fighting style as boxing and identifies The Striking Institute as his training location.

What professional title has Thomas Petersen held?

Thomas Petersen has held the LFA heavyweight championship before competing in the UFC.

What happened in Thomas Petersen’s most recent listed UFC fight?

On July 25, 2026, Thomas Petersen lost to Valter Walker by calf-slicer submission in the first round.