Bootstrap Bill
Career snapshot
11Outs
7Buckoffs
64.0%Buckoff %
41.02Avg bull score
42.50High score
045+ outs
1.92sAvg buckoff time
4Best streak
Career average on the 50-point bull scale41.02
Career Shape
11 scored outs42.9%Buckoffs under 3s
0.0%Riders dumped after 6s
±1.18Score 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | Unleash The Beast | 397 | 2 | 0 | 100.0% | 41.13 | 41.25 | 0 | 41.13 |
| 2025 | Challenger Series | 998 | 1 | 0 | 100.0% | 40.00 | 40.00 | 0 | 40.00 |
| 2024 | PBR Team Series | 373 | 1 | 1 | 0.0% | 40.75 | 40.75 | 0 | 40.75 |
| 2024 | Unleash The Beast | 447 | 4 | 2 | 50.0% | 40.44 | 41.75 | 0 | 40.44 |
| 2024 | Challenger Series | 419 | 3 | 1 | 66.7% | 42.17 | 42.50 | 0 | 42.17 |
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.
Ride History
11 recorded outs| Date | Rider | Result | Time | Bull score | Ride score | Series | Event |
|---|---|---|---|---|---|---|---|
| Jul 18, 2025 | Cole Trivette | Buckoff | 2.19s | 40.00 | — | Challenger Series | Big Sky PBR |
| Apr 27, 2025 | Eduardo Aparecido | Buckoff | 3.98s | 41.00 | — | Unleash The Beast | PBR TACOMA |
| Apr 26, 2025 | JaCauy Hale | Buckoff | 4.15s | 41.25 | — | Unleash The Beast | PBR TACOMA |
| Sep 21, 2024 | Daron Powers | Buckoff | 1.61s | 42.50 | — | Challenger Series | CHARLOTTESVILLE PBR |
| Jul 27, 2024 | João Ricardo Vieira | Ridden | 8.00s | 40.75 | 82.75 | PBR Teams | Arizona Ridge Riders @ Texas Rattlers |
| Jun 2, 2024 | Julio Cesar Marques | Ridden | 8.00s | 42.00 | 86.00 | Challenger Series | PBR OCEAN CITY CLASSIC |
| May 31, 2024 | João Paulo Fernandes | Buckoff | 1.30s | 42.00 | — | Challenger Series | PBR OCEAN CITY CLASSIC |
| Apr 20, 2024 | Keyshawn Whitehorse | Ridden | 8.00s | 41.50 | 85.00 | Unleash The Beast | PBR TACOMA PRESENTED BY COOPER TIRES |
| Apr 18, 2024 | Conner Halverson (re-ride) | Buckoff | 4.00s | 38.00 | — | Unleash The Beast | PBR EVERETT |
| Mar 28, 2024 | Bob Mitchell | Ridden | 8.00s | 40.50 | 83.00 | Unleash The Beast | PBR NAMPA PRESENTED BY COOPER TIRES |
| Mar 23, 2024 | Mauricio Gulla Moreira | Buckoff | 3.88s | 41.75 | — | Unleash The Beast | PBR ALBUQUERQUE TY MURRAY INVITATIONAL - A UTB MAJOR |
Career Milestones
- Mar 23, 2024 First recorded out at PBR ALBUQUERQUE TY MURRAY INVITATIONAL - A UTB MAJOR.
- Sep 21, 2024 Career-high bull score of 42.50 points at CHARLOTTESVILLE PBR.
Source: PBR Data API ride records for Bootstrap Bill. Derived figures (matchups, milestones) are calculated by WorldChampionBull from those records. About this data →