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William Starr

South Island BJJ · British Columbia

18–22
Record
6%
Submission rate
3y 6m
Career
1:46
Avg match
3.3
Avg place

Brazilian Jiu-Jitsu competitor. 40 matches across 8 events since Apr 2023, from Smoothcomp results.

#2,005 in Canada · #481 in British Columbia

Rating over time Rating 1473−39

Nov 1, 2025·−39 · 0–5·SIO Grappling Challenge 2025

L10 L L L L L W L L W W
5-loss streak
Top 5 best wins
OpponentTheir rating
  • 1
    Luca Schwarz SIO Spring Junior Championship 2025 · Mar 2025
    1711
  • 2
    Levi Hendsbee SIO Spring Junior Championship 2025 · Mar 2025
    1679
  • 3
    Leo Cox SIO Winter Classic 2024 · Nov 2024
    1619
  • 4
    Lennox Boylan SIO Spring Junior Championship 2024 · Mar 2024
    1516
  • 5
    Frederick Caza SIO Spring Junior Championship 2025 · Mar 2025
    1475

Opponents & match history

40 matches

Newest first, grouped by tournament. Each tournament shows its rating change and the wins we expected; tournaments rated together are one entry.

SIO Grappling Challenge 2025Nov 1, 2025 · expected 1.6 wins 0–5−39 rating
L
Kyler HateleyWarrior Arts Academy
points2:00
L
Leo CoxWest Coast Brazilian Jiu-Jitsu Association
decision1:27
L
RJ BradshawPure Martial Arts
submission0:51
L
Leo CoxWest Coast Brazilian Jiu-Jitsu Association
decision1:28
L
RJ BradshawPure Martial Arts
points2:00
Full event results →
SIO Spring Junior Championship 2025Mar 15, 2025 · expected 4.1 wins 6–2+106 rating
W
Levi HendsbeeIsland Top Team
points2:00
L
RJ BradshawPure Martial Arts
submission1:58
L
Leo MatthewIsland Top Team
points2:00
W
Frederick CazaPowell River BJJ
points2:00
W
Misha DronovCJ Martial Arts and Fitness
points2:00
W
Eli MorganVan Isle BJJ
points2:00
W
Errol Coulter-JohannsonWillow Point Brazilian Jiu-Jitsu
submission0:58
W
Luca SchwarzPure Martial Arts
points2:00
Full event results →
Show 6 older tournamentsHide older tournaments
SIO Winter Classic 2024Nov 16, 2024 · expected 2.1 wins 2–4−24 rating
W
Leo CoxWest Coast Brazilian Jiu-Jitsu Association
decision1:48
W
Xavier HaireHood Rich Jiu Jitsu
points2:00
L
RJ BradshawPure Martial Arts
submission1:19
L
Corbin SemenukPure Martial Arts
submission1:02
L
Rogue MclarenPure Martial Arts
submission0:31
L
Tucker BezaireWillow Point Brazilian Jiu-Jitsu
points2:00
Full event results →
SIO Grappling Challenge 2024Apr 20, 2024 · expected 3.2 wins 2–5−68 rating
L
Luca SchwarzPure Martial Arts
decision1:27
L
Oliver MelideoCJ Martial Arts and Fitness
points2:00
W
Alayus LohbrunnerSouth Island BJJ
points2:00
L
Lincoln RobertsonSouth Island BJJ
decision2:00
L
Levi KerseyPure Martial Arts
points2:00
L
Luca SchwarzPure Martial Arts
points2:00
W
Errol Coulter-JohannsonWillow Point Brazilian Jiu-Jitsu
walkover
Full event results →
SIO Spring Junior Championship 2024Mar 9, 2024 · expected 2.0 wins 2–1+6 rating
L
Luca SchwarzPure Martial Arts
points2:00
W
Nate LampmanWestcoast BJJ
decision1:01
W
Lennox BoylanSouth Island BJJ
decision1:12
Full event results →
SIO Fall Junior Championship 2023Sep 23, 2023 · expected 2.2 wins 2–2+13 rating
W
Callan ProudfootSalt Spring Jiu-Jitsu
decision2:00
L
Levi KerseyPure Martial Arts
decision2:00
L
RJ BradshawPure Martial Arts
points2:00
W
Luca SchwarzPure Martial Arts
points2:00
Full event results →
SIO South Island Open 2Jul 8, 2023 · expected 2.0 wins 1–3−117 rating
W
Hayden McCarthyPure Martial Arts
points2:00
L
Frederick CazaPowell River BJJ
points2:00
L
RJ BradshawPure Martial Arts
points2:00
L
Levi HendsbeeIsland Top Team
points2:00
Full event results →
SIO Grappling Challenge 2023Apr 22, 2023 · expected 2.2 wins 3–0first rating
W
Errol Coulter-JohannsonWillow Point Brazilian Jiu-Jitsu
points2:00
W
Levi KerseyPure Martial Arts
points2:00
W
Liam MauriksSouth Island BJJ
points2:00
Full event results →

William Starr is a Brazilian Jiu-Jitsu competitor out of South Island BJJ. JitsDex holds 40 matches across 8 events, going back to Apr 2023 — a 18–22 record compiled from Smoothcomp tournament results. JitsDex rates William Starr 1473, #2,005 of 3,906 kids in Canada and #481 in British Columbia.

8 events · 40 matches · 3 gold · first event on record Apr 2023 · jitsdex.com

Rating 1473 · skill 1617 ± 89 · quality wins 3/8 · data as of 2026-10-24

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