Bison
Career snapshot
80Outs
67Buckoffs
84.0%Buckoff %
42.36Avg bull score
45.00High score
245+ outs
2.66sAvg buckoff time
16Best streak
Career average on the 50-point bull scale42.36
Career Shape
80 scored outs59.7%Buckoffs under 3s
9.0%Riders dumped after 6s
±1.39Score volatility
The thin line is every scored out in career order; the bold line is his rolling eight-out average — the shape the title formula sees. Volatility is one standard deviation around his career average: low means a metronome, high means boom-or-bust.
Performance by Season
Season Statistics
| Season | Series | Rank | Outs | Rides | Buckoff % | Avg score | High | 45+ | Top-8 avg |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | Velocity Tour | 715 | 3 | 0 | 100.0% | 40.00 | 43.30 | 0 | 40.00 |
| 2026 | Touring Pro Division | 336 | 3 | 0 | 100.0% | 42.13 | 42.90 | 0 | 42.13 |
| 2026 | Unleash The Beast | 213 | 2 | 1 | 50.0% | 42.30 | 42.55 | 0 | 42.30 |
| 2026 | Challenger Series | 214 | 7 | 0 | 100.0% | 43.04 | 43.70 | 0 | 43.28 |
| 2025 | Velocity Tour | 441 | 2 | 0 | 100.0% | 41.00 | 41.50 | 0 | 41.00 |
| 2025 | Touring Pro Division | 60 | 5 | 0 | 100.0% | 43.20 | 45.00 | 1 | 43.20 |
| 2025 | Challenger Series | 160 | 6 | 0 | 100.0% | 42.33 | 44.50 | 0 | 42.70 |
| 2024 | Velocity Tour | 73 | 4 | 0 | 100.0% | 42.75 | 43.00 | 0 | 42.75 |
| 2024 | Touring Pro Division | 70 | 2 | 0 | 100.0% | 43.25 | 43.50 | 0 | 43.25 |
| 2024 | Unleash The Beast | 448 | 4 | 3 | 25.0% | 40.38 | 41.75 | 0 | 40.38 |
| 2024 | Challenger Series | 238 | 8 | 3 | 62.5% | 42.31 | 43.00 | 0 | 42.70 |
| 2023 | PBR Team Series | 210 | 5 | 2 | 60.0% | 42.55 | 45.00 | 1 | 42.55 |
| 2023 | Unleash The Beast | 191 | 4 | 1 | 75.0% | 42.38 | 43.00 | 0 | 42.38 |
| 2022 | PBR Team Series | 226 | 2 | 1 | 50.0% | 42.38 | 42.75 | 0 | 42.38 |
One row per circuit per season, as published by PBR's scoring system. Only Unleash The Beast counts toward the World Champion Bull title — how the races fit together.
Head-to-Head
Riders who have faced Bison at least twice.
| Rider | Meetings | Rides | Buckoffs | Avg bull score | Best bull score | Best ride |
|---|---|---|---|---|---|---|
| Dawson Gleaves | 3 | 0 | 3 | 43.15 | 43.70 | — |
| Wingson Henrique da Silva | 3 | 3 | 0 | 40.58 | 41.75 | 86.00 |
| Albert Lebaron | 2 | 0 | 2 | 43.50 | 44.00 | — |
| Andrei Scoparo | 2 | 1 | 1 | 42.25 | 42.50 | 86.00 |
| Aaron Williams | 2 | 0 | 2 | 41.95 | 42.00 | — |
| João Ricardo Vieira | 2 | 0 | 2 | 41.95 | 42.90 | — |
| Bob Mitchell | 2 | 1 | 1 | 41.50 | 42.50 | 85.00 |
| Ramon de Lima | 2 | 0 | 2 | 41.50 | 41.50 | — |
Ride History
80 recorded outs| Date | Rider | Result | Time | Bull score | Ride score | Series | Event |
|---|---|---|---|---|---|---|---|
| Oct 15, 2026 | Chaz Carda | Buckoff | 2.54s | 43.70 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Oct 8, 2026 | Kaleb Lewis | Buckoff | 3.38s | 42.70 | — | Challenger Series | Koben Puckett PBR Lubbock |
| Sep 10, 2026 | Emerson Lopes | Buckoff | 3.21s | 42.40 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Aug 8, 2026 | Jack Mitchell | Buckoff | 2.12s | 43.60 | — | Challenger Series | Goliad PBR |
| Jul 11, 2026 | Dawson Gleaves | Buckoff | 3.63s | 43.70 | — | Challenger Series | Koben Puckett PBR Amarillo |
| Jun 4, 2026 | Cohen Register | Buckoff | 1.93s | 42.70 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| May 28, 2026 | Damien Krushall | Buckoff | 7.53s | 42.50 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Apr 23, 2026 | João Ricardo Vieira | Buckoff | 1.98s | 42.90 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Mar 27, 2026 | Marcus Mast | Buckoff | 1.49s | 43.30 | — | Pendleton Whisky Velocity Tour | PBR FRESNO |
| Mar 21, 2026 | Grayson Cole (re-ride) | Buckoff | 2.52s | 34.80 | — | Pendleton Whisky Velocity Tour | PBR GREATER PALM SPRINGS |
| Mar 20, 2026 | Aaron Williams | Buckoff | 4.30s | 41.90 | — | Pendleton Whisky Velocity Tour | PBR GREATER PALM SPRINGS |
| Feb 7, 2026 | Brady Fielder | Ridden | 8.00s | 42.05 | 86.35 | Unleash The Beast | PBR SALT LAKE CITY PRESENTED BY BUSCH LIGHT |
| Feb 6, 2026 | Callum Miller | Buckoff | 7.50s | 42.55 | — | Unleash The Beast | PBR SALT LAKE CITY PRESENTED BY BUSCH LIGHT |
| Dec 4, 2025 | João Ricardo Vieira | Buckoff | 2.79s | 41.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Nov 29, 2025 | Felipe Nogueira | Buckoff | 1.88s | 42.50 | — | Touring Pro Division - USA | Stockyards Championship Bull Riding 7:30 |
| Oct 9, 2025 | Marcos Rosa da Silva | Buckoff | 3.28s | 42.00 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Sep 25, 2025 | Ramon de Lima | Buckoff | 1.68s | 41.50 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Aug 9, 2025 | Dione de Souza Ribeiro | Buckoff | 2.65s | 42.50 | — | Challenger Series | Goliad PBR |
| Jul 12, 2025 | Alex Junior da Silva | Buckoff | 2.88s | 43.00 | — | Challenger Series | Koben Puckett PBR Amarillo |
| Jun 27, 2025 | Callum Miller (re-ride) | Buckoff | 2.01s | 40.50 | — | Challenger Series | Slick Rock Challenge |
| May 22, 2025 | Vitor Losnake | Buckoff | 3.57s | 44.50 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Apr 24, 2025 | Jean Fernandes Pereira | Buckoff | 2.55s | 43.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Apr 10, 2025 | Vinicius Pinheiro Correa | Buckoff | 4.47s | 43.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Mar 29, 2025 | Jace Catlin | Buckoff | 2.19s | 41.50 | — | Pendleton Whisky Velocity Tour | PBR FRESNO |
| Mar 28, 2025 | Jaxton Mortensen | Buckoff | 2.25s | 40.50 | — | Pendleton Whisky Velocity Tour | PBR FRESNO |
| Feb 20, 2025 | Leandro Zampollo | Buckoff | 3.36s | 42.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Jan 16, 2025 | Miguel de Jesus | Buckoff | 1.81s | 43.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Oct 31, 2024 | Bryce Jensen | Buckoff | 2.94s | 45.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Sep 19, 2024 | Andrei Scoparo | Ridden | 8.00s | 42.00 | 86.00 | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Aug 10, 2024 | Jonathan Hernandez | Buckoff | 1.45s | 43.00 | — | Challenger Series | PBR Goliad |
| Jul 13, 2024 | Elijah Monnett | Ridden | 8.00s | 42.50 | 87.50 | Challenger Series | Koben Puckett PBR |
| Jun 29, 2024 | Bob Mitchell | Buckoff | 3.73s | 42.50 | — | Challenger Series | Slick Rock Challenge |
| Jun 28, 2024 | Brady Oleson | Ridden | 8.00s | 43.00 | 87.50 | Challenger Series | Slick Rock Challenge |
| Jun 20, 2024 | Andrei Scoparo | Buckoff | 2.02s | 42.50 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Jun 8, 2024 | Malachi Anderson (re-ride) | Buckoff | 2.79s | 41.00 | — | Challenger Series | The Next Gambler |
| May 23, 2024 | Aaron Williams | Buckoff | 4.29s | 42.00 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Apr 25, 2024 | Dawson Gleaves | Buckoff | 2.32s | 43.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Apr 13, 2024 | Caylan Biddy | Buckoff | 2.75s | 42.50 | — | Pendleton Whisky Velocity Tour | PBR EUGENE |
| Apr 6, 2024 | Quincey McDonald | Buckoff | 2.42s | 43.00 | — | Pendleton Whisky Velocity Tour | PBR FRESNO |
| Apr 5, 2024 | Briggs Madsen | Buckoff | 2.65s | 43.00 | — | Pendleton Whisky Velocity Tour | PBR FRESNO |
| Mar 21, 2024 | Adilson Junior | Buckoff | 6.17s | 43.50 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Mar 16, 2024 | Dalton Rudman | Buckoff | 3.16s | 42.50 | — | Pendleton Whisky Velocity Tour | PBR PALM SPRINGS |
| Feb 16, 2024 | Wingson Henrique da Silva | Ridden | 8.00s | 41.75 | 83.75 | Unleash The Beast | MICHELOB ULTRA PBR LOS ANGELES PRESENTED BY ARIAT |
| Feb 9, 2024 | Eli Vastbinder | Buckoff | 2.28s | 39.75 | — | Unleash The Beast | PBR SALT LAKE CITY |
| Jan 26, 2024 | Wingson Henrique da Silva | Ridden | 8.00s | 38.25 | 78.25 | Unleash The Beast | KUBOTA PBR HOUSTON PRESENTED BY MICHELOB ULTRA |
| Nov 11, 2023 | Ednélio Rodrigues | Ridden | 8.00s | 41.75 | 85.75 | Unleash The Beast | PBR TUCSON |
| Oct 21, 2023 | Chase Dougherty | Ridden | 8.00s | 41.00 | 76.50 | PBR Teams | Game 6: Arizona Ridge Riders (5) @ Kansas City Outlaws (2) |
| Sep 30, 2023 | Kade Madsen | Buckoff | 3.36s | 45.00 | — | PBR Teams | Missouri Thunder @ Arizona Ridge Riders |
| Sep 9, 2023 | Cladson Rodolfo | Ridden | 8.00s | 41.75 | 75.25 | PBR Teams | Carolina Cowboys @ Missouri Thunder |
| Aug 27, 2023 | Dawson Gleaves | Buckoff | 2.46s | 42.75 | — | PBR Teams | Missouri Thunder @ Texas Rattlers |
| Aug 26, 2023 | Alex Cerqueira | Buckoff | 4.21s | 42.25 | — | PBR Teams | Oklahoma Freedom @ Missouri Thunder |
| Aug 17, 2023 | Thomas Hudson | Buckoff | 2.55s | 44.50 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Aug 12, 2023 | Brayan Alvarez Pena | Buckoff | 4.34s | 43.00 | — | Challenger Series | PBR Goliad |
| Jul 8, 2023 | Albert Lebaron | Buckoff | 2.25s | 44.00 | — | Challenger Series | Koben Puckett PBR |
| Jul 6, 2023 | Ayslan Jeferson | Buckoff | 1.95s | 42.00 | — | Challenger Series | PBR STOCKYARDS SHOWCASE |
| Jul 1, 2023 | Albert Lebaron | Buckoff | 2.99s | 43.00 | — | Challenger Series | Slick Rock Challenge |
| Jun 30, 2023 | Cort McFadden | Buckoff | 3.47s | 41.00 | — | Challenger Series | Slick Rock Challenge |
| Jun 8, 2023 | Alisson De Souza | Ridden | 8.00s | 42.50 | 87.00 | Challenger Series | PBR STOCKYARDS SHOWCASE |
| May 14, 2023 | Wingson Henrique da Silva | Ridden | 8.00s | 41.75 | 86.00 | Unleash The Beast | PBR WORLD FINALS: UNLEASH THE BEAST |
| May 6, 2023 | Manoelito de Souza Junior | Buckoff | 1.82s | 43.75 | — | Pendleton Whisky Velocity Tour | PENDLETON WHISKY VELOCITY TOUR FINALS |
| Apr 28, 2023 | Trent Nugent | Buckoff | 1.64s | 41.50 | — | Pendleton Whisky Velocity Tour | PBR AGGIELAND CLASSIC |
| Mar 30, 2023 | Elizmar Jeremias | Buckoff | 2.38s | 43.00 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Mar 23, 2023 | Gus Justman | Buckoff | 3.96s | 43.50 | — | Touring Pro Division - USA | PBR STOCKYARDS SHOWCASE |
| Mar 19, 2023 | Kyle Eaton | Buckoff | 3.96s | 43.00 | — | Pendleton Whisky Velocity Tour | FRESNO INVITATIONAL |
| Mar 18, 2023 | Brady Turgeon (re-ride) | Buckoff | 5.14s | 43.00 | — | Pendleton Whisky Velocity Tour | FRESNO INVITATIONAL |
| Feb 26, 2023 | Andrew Alvidrez | Buckoff | 6.85s | 42.25 | — | Unleash The Beast | PBR SoCal SHOWDOWN |
| Feb 25, 2023 | Ezekiel Mitchell | Buckoff | 2.52s | 43.00 | — | Unleash The Beast | PBR SoCal SHOWDOWN |
| Feb 18, 2023 | Chase Outlaw | Buckoff | 2.34s | 42.50 | — | Unleash The Beast | PBR KUBOTA EMERALD CHUTE OUT |
| Sep 3, 2022 | Ramon de Lima | Buckoff | 2.00s | 41.50 | — | Cowboys for a Cause | 2022 Cowboys for a Cause |
| Aug 28, 2022 | Sandro Batista | Buckoff | 6.02s | 42.00 | — | PBR Teams | Arizona Ridge Riders @ Kansas City Outlaws |
| Aug 27, 2022 | Kyler Oliver | Ridden | 8.00s | 42.75 | 86.00 | PBR Teams | Kansas City Outlaws @ Missouri Thunder |
| Aug 13, 2022 | Lane Nobles | Buckoff | 3.07s | 41.50 | — | Challenger Series | Goliad PBR |
| Jul 9, 2022 | Matteo Nunez | Buckoff | 2.07s | 41.50 | — | Challenger Series | Koben Puckett PBR |
| Jun 24, 2022 | Chase Wimer | Buckoff | 1.84s | 43.00 | — | Challenger Series | Slick Rock Challenge Day 1 |
| May 7, 2022 | Bob Mitchell | Ridden | 8.00s | 40.50 | 85.00 | Pendleton Whisky Velocity Tour | PENDLETON WHISKY VELOCITY TOUR FINALS PRESENTED BY COASTAL BEND CHEVY DEALERS |
| Apr 9, 2022 | Koltin Hevalow | Buckoff | 5.34s | 43.00 | — | Pendleton Whisky Velocity Tour | PBR BOOT BARN CLASSIC IN AGGIELAND |
| Mar 20, 2022 | Bryan Titman | Buckoff | 4.14s | 42.50 | — | Pendleton Whisky Velocity Tour | PBR TRACTOR SUPPLY CO. INVITATIONAL |
| Mar 19, 2022 | Zerrick Ponder | Buckoff | 6.51s | 42.00 | — | Pendleton Whisky Velocity Tour | PBR TRACTOR SUPPLY CO. INVITATIONAL |
| Oct 16, 2021 | Sawyer Hill | Buckoff | 2.84s | 44.50 | — | Touring Pro Division - USA | Llano PBR |
| Aug 14, 2021 | Matteo Nunez (re-ride) | Buckoff | 2.12s | 42.00 | — | Touring Pro Division - USA | Goliad PBR |
Career Milestones
- Aug 14, 2021 First recorded out at Goliad PBR.
- May 6, 2023 Bucked off his 10th straight rider.
- Jul 1, 2023 25th recorded out.
- Sep 30, 2023 Career-high bull score of 45.00 points at Missouri Thunder @ Arizona Ridge Riders.
- Sep 30, 2023 First 45-point out (45.00).
- Jul 13, 2024 50th recorded out.
- Aug 9, 2025 Bucked off his 10th straight rider.
- Jun 4, 2026 75th recorded out.
- Oct 15, 2026 Bucked off his 10th straight rider.
Source: PBR Data API ride records for Bison. Derived figures (matchups, milestones) are calculated by WorldChampionBull from those records. About this data →