Cobaia
Career snapshot
9Outs
2Buckoffs
23.0%Buckoff %
43.06Avg bull score
44.25High score
045+ outs
0.76sAvg buckoff time
2Best streak
Career average on the 50-point bull scale43.06
Career Shape
9 scored outs±0.94Score 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 | PBR Brazil | 40 | 5 | 3 | 40.0% | 43.35 | 44.25 | 0 | 44.08 |
| 2024 | PBR Brazil | 178 | 4 | 4 | 0.0% | 42.69 | 44.00 | 0 | 43.00 |
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 Cobaia at least twice.
| Rider | Meetings | Rides | Buckoffs | Avg bull score | Best bull score | Best ride |
|---|---|---|---|---|---|---|
| Weslei Mendes | 2 | 2 | 0 | 43.13 | 44.00 | 90.75 |
Ride History
9 recorded outs| Date | Rider | Result | Time | Bull score | Ride score | Series | Event |
|---|---|---|---|---|---|---|---|
| Apr 5, 2025 | Romário Faustino de Oliveira | Ridden | 8.00s | 42.25 | 87.25 | PBR Brazil | Brasília, DF |
| Apr 3, 2025 | Warley Oliveira da Silva | Ridden | 8.00s | 42.25 | 86.75 | PBR Brazil | Brasília, DF |
| Nov 5, 2024 | João Marcelo Marrafon | Buckoff | 3.38s | 44.25 | — | PBR Brazil | Carmo do Rio Claro, MG |
| Nov 2, 2024 | Gean Pereira Carvalho | Buckoff | 3.47s | 44.25 | — | PBR Brazil | Carmo do Rio Claro, MG |
| Sep 28, 2024 | Alex Oliveira | Ridden | 8.00s | 43.75 | 88.75 | PBR Brazil | Jaguariúna Teams 2024 |
| Aug 18, 2024 | Anderson de Oliveira | Ridden | 8.00s | 41.75 | 85.50 | PBR Brazil | Final Nacional 2024 |
| Aug 15, 2024 | Weslei Mendes | Ridden | 8.00s | 42.25 | 86.50 | PBR Brazil | Final Nacional 2024 |
| Jul 20, 2024 | Weslei Mendes | Ridden | 8.00s | 44.00 | 90.75 | PBR Brazil | São Gotardo, MG |
| Jul 18, 2024 | Elton Toledo | Ridden | 8.00s | 42.75 | 87.50 | PBR Brazil | São Gotardo, MG |
Career Milestones
- Jul 18, 2024 First recorded out at São Gotardo, MG.
- Nov 2, 2024 Career-high bull score of 44.25 points at Carmo do Rio Claro, MG.
Source: PBR Data API ride records for Cobaia. Derived figures (matchups, milestones) are calculated by WorldChampionBull from those records. About this data →