📅 Completed 6/28/2026
OPA Presents: The Steel Cup Invitational
237 players
📍 Hamilton, ON, Canada
Marilyn Patricia Joostema
68 yr oldFemaleON, Canada
/ 
/ Marilyn Patricia Joostema is a 68-year-old female pickleball player from ON, Canada. DUPR doubles rating: 4.78 (top 1.7%). 33 tournaments, 69 events.
8/24/2026 - 8/30/20262026 IG Wealth Management National Championships presented by Hearing Life
Age Mixed Doubles 4.0 and Over Age: (60 To 69)
Age Women's Doubles 4.0 and Over Age: (60 To 69)
With
Marylouise Millar
Senior Mixed Doubles Open
Senior Women's Doubles Open
With
Marylouise Millar
7/30/2026 - 8/2/20262026 Pickleball Ontario Provincial Championship
Senior Mixed Doubles Open
7/7/2026 - 7/12/20262026 Grand Rapids BEER CITY OPEN Pickleball Championships
Mixed Senior Doubles Skill: (5.0) Age: (50 And Above)
Womens Doubles Skill: (5.0 And Above) Age: (50 To 59)
With
Marylouise Millar
Completed 6/28/2026OPA Presents: The Steel Cup Invitational
Mixed Doubles Skill: (4.5/5.0) Age: (50 And Above)
Completed 11/16/2025APA - Tournament Of Champions (TOC)
Split Age Womens Doubles Skill: (4.0 And Above)
With
Katelyn Hack
Completed 9/21/2025The GOAT Fall Open
Mixed Doubles Skill: (4.000 To 4.999) Age: (50 And Above)
Mixed Doubles Skill: (4.5 And Under)
Completed 8/24/20252025 Myoflex National Championship Presented by HearingLife
Women's Doubles Double Elimination: (4.5) Age: (50 And Above)
With
Marylouise Millar
Women's Doubles Round Robin: (4.0 And Above) Age: (50 And Above)
With
Marylouise Millar
Women's Doubles Round Robin: (4.0 And Above) Age: (60 And Above)
With
Marylouise Millar
Women's Senior Doubles Open - Round Robin
With
Marylouise Millar
Completed 7/13/20252025 Grand Rapids BEER CITY OPEN Pickleball Championships
Mixed Senior Doubles Skill: (4.5) Age: (60 And Above)
Womens Doubles Skill: (4.5) Age: (50 And Above)
With
Marylouise Millar
Womens Doubles Skill: (5.0 And Above) Age: (50 And Above)
With
Marylouise Millar
Completed 4/6/2025The Royal City Open - Powered By APA
Mixed Doubles Skill: (4.5) Age: 19+
With
Chad Tremblett
Completed 1/19/2025Ontario Cup - Powered By SMASH PICKLEBALL
Mixed Doubles Skill: (4.5) Age: 50+
With
Dean Moyer
Completed 12/1/2024APA Championship - The Finals
Split Age Mixed Doubles Skill: (4.0 And Above)
With
Chad Tremblett
Completed 11/17/20242024 BiOFREEZE USA Pickleball National Championships - ALL PLAYERS
Mixed Doubles 5.0 (65-69)
With
Ron Cortese
Mixed Doubles Age: 5.0 UTR-P (65-69 age group)
With
Ron Cortese
Women's Doubles 5.0 (60-64)
With
Marylouise Millar
Women's Doubles Skill: 5.0 UTR-P (60-64 age group)
With
Marylouise Millar
Completed 9/22/2024The GOAT Fall Open
Mixed Doubles Skill: (4.5) Age: (50 And Above)
With
Dean Moyer
Split Age Mixed Doubles Skill: (4.0 And Above)
With
Joseph Sua
Womens Doubles Skill: (4.5 And Under)
With
Marylouise Millar
Completed 8/24/2024Myoflex 2024 Pickleball Canada National Championship Presented by Think Turkey
Mixed Doubles Skill: (4.5) Age: (60 And Above)
With
Chuck P Jung
Round Robin Womens Doubles (4.0 And Above) Age: (60 To 69)
With
Marylouise Millar
Womens Doubles Skill: (4.5) Age: (55 And Above)
With
Marylouise Millar
Completed 7/14/20242024 Grand Rapids BEER CITY OPEN Pickleball Championships
Mixed Senior Doubles Skill: (4.5) Age: (60 And Above)
With
Jeff Trimble
Completed 5/5/2024The Southwestern Pickleball Championship
Split Age Mixed Doubles Skill: (4.0 And Above)
With
Chad Tremblett
Split Age Womens Doubles Skill: (4.0 And Above)
With
Kim Shpeer
Completed 2/11/2024Four Fathers Pickleball Society Tournament
Mixed Doubles Skill: (4.5) Age: (49 And Under)
With
Troy Rieck
Completed 1/14/2024Collingwood Classic at Swing
Women's Doubles Split Age (one under 50, one 50+) 4.0+
With
Kim Shpeer
Completed 10/22/2023HISPORTS Tournament Of Champions
Mixed Doubles Skill: (4.5 And Under) Age: (19 To 49)
With
Steven Westman
Split Age Mixed Doubles Skill: (4.0 And Above)
With
Kolten Rossignoli
Completed 8/13/20234th Annual Steel Town Showdown
Completed 11/13/2022Greystone Open
Completed 6/26/2022Pickleball Canada National Championship 2022
Mixed Doubles Age 64-69 4.0+
With
Doug Snyder
Mixed Doubles Skill: (4.5 And Under) Age: 50+ 65+
With
Doug Snyder
Womens Doubles Age 60-79 4.0+
With
Marylouise Millar
Womens Doubles Skill: (4.5 And Under) Age: 50+ 65+
With
Marylouise Millar
Completed 5/1/20222022 Pickleball Island Senior Championships
Mixed Doubles Skill: (4.5 To 5.0) Age: (50 And Above)
With
Richard Bradley
Completed 11/14/2021Greystone Open
Completed 9/26/2021Kawartha Open
Completed 11/8/20192nd Annual Dilly Dilly Tournament
Mixed Doubles Skill: (4.0 And Above) Age: (50 And Above)
With
Jim LaBrosse
Womens Doubles Skill: (4.0 And Above) Age: (50 And Above)
With
Stacey Hurley
Completed 5/1/20192019 OSGA 55+ Annual Tournament
Womens Doubles Skill: (Open) Age: (55 And Above)
With
Elaine Somerville
Completed 12/31/19693rd NPBA Smash for Cash
Completed 11/4/20181st Annual Dilly Dilly Tournament
Mixed Doubles Skill: (4.0 And Above) Age: (50 And Above)
With
Colin Mcadorey
Womens Doubles Skill: (4.0 And Above) Age: (Any)
With
Elaine Somerville
Completed 7/15/20182018 New York State Pickleball Classic
Mixed Doubles Rank: (4.0 To 4.5) Age: (56+)
With
Colin Mcadorey
Completed 7/16/20172017 New York State Pickleball Classic
Mixed Doubles Rank: (4.0 Only) Age: (50 To 69)
With
Jeff Rooney
Womens Doubles Rank: (4.0 Only) Age: (16 To 59)
With
Elaine Somerville