50 Free SCY
PBSectionals
22.05
2026 MI OLY Swimming Michigan Open
Feb 8, 2026
🎓 Class of 2023#1of 1 · MI#58 USA*
Swimmer profile
Sean Diffenderfer
MaleOpen / SeniorSpartan Aquatic ClubMI · CENTRAL
Standards achieved
tap to filter eventsAge group
Open / Senior
🏅 Major Cuts Achieved
5 events · top tier Futures
1000 Free SCY
Full standards ladder
- Sectionals9:59.49−33.10s
- Futures9:34.29−7.90s
- Winter Juniors9:22.69+3.70s
- Summer Jr Nats9:13.19+13.20s
- Nationals9:07.59+18.80s
9:26.39PB
2023 MI Michigan Swimming Ultra Championship Meet
Mar 17, 2023
Cut: 9:34.29−7.90s margin
50 Free SCY
Full standards ladder
- Sectionals22.19−0.14s
- Futures20.39+1.66s
- Nationals19.39+2.66s
22.05PB
2026 MI OLY Swimming Michigan Open
Feb 8, 2026
Cut: 22.19−0.14s margin
200 Free SCY
Full standards ladder
- Sectionals1:45.79−4.71s
- Futures1:37.59+3.49s
- Nationals1:33.69+7.39s
1:41.08PB
2025 MI OLY Swimming Michigan Open
Feb 9, 2025
Cut: 1:45.79−4.71s margin
500 Free SCY
Full standards ladder
- Sectionals4:47.79−17.09s
- Futures4:25.59+5.11s
- Nationals4:17.19+13.51s
4:30.70PB
2026 MI OLY Swimming Michigan Open
Feb 7, 2026
Cut: 4:47.79−17.09s margin
1650 Free SCY
Full standards ladder
- Sectionals16:43.89−65.17s
- Futures15:31.39+7.33s
- Nationals14:54.09+44.63s
15:38.72PB
2026 MI OLY Swimming Michigan Open
Feb 6, 2026
Cut: 16:43.89−65.17s margin
100 Free SCY
PB
48.37
Golden Grizzly Invite
Dec 6, 2025
🎓 Class of 2023#1of 1 · MI#63 USA*
200 Free SCY
PBSectionals
1:41.08
2025 MI OLY Swimming Michigan Open
Feb 9, 2025
🎓 Class of 2023#1of 1 · MI#17 USA*
500 Free SCY
PBSectionals
4:30.70
2026 MI OLY Swimming Michigan Open
Feb 7, 2026
🎓 Class of 2023#1of 1 · MI#6 USA*
1000 Free SCY
PBFuturesAAAA
9:26.39
2023 MI Michigan Swimming Ultra Championship Meet
Mar 17, 2023
🎓 Class of 2023#1of 1 · MI#3 USA*
1650 Free SCY
PBSectionals
15:38.72
2026 MI OLY Swimming Michigan Open
Feb 6, 2026
🎓 Class of 2023#1of 1 · MI#6 USA*
50 Back SCY
PBA
25.97
Michigan First Chance Meet
Feb 17, 2024
🎓 Class of 2023#1of 1 · MI#40 USA*
100 Back SCY
PBA
55.20
Michigan First Chance Meet
Feb 17, 2024
🎓 Class of 2023#1of 1 · MI#50 USA*
200 Back SCY
PBA
2:05.74
2021 MI Thanksgiving Classic ABC
Nov 21, 2021
🎓 Class of 2023#1of 1 · MI#62 USA*
50 Breast SCY
PBBB
39.81
2017 MI Autumn IMX Challenge_B
Nov 5, 2017
🎓 Class of 2023#1of 1 · MI#113 USA*
100 Breast SCY
PBBB
1:06.84
2021 MI Thanksgiving Classic ABC
Nov 20, 2021
🎓 Class of 2023#1of 1 · MI#96 USA*
200 Breast SCY
PBA
2:22.31
2021 MI Thanksgiving Classic ABC
Nov 21, 2021
🎓 Class of 2023#1of 1 · MI#69 USA*
50 Fly SCY
PBAAA
28.11
2018 MI 12 & Under SC State Ch
Mar 18, 2018
🎓 Class of 2023#1of 1 · MI#96 USA*
100 Fly SCY
PBA
55.07
MI SAC Thanksgiving Classic ABC Meet
Nov 20, 2022
🎓 Class of 2023#1of 1 · MI#95 USA*
200 Fly SCY
PBA
2:07.27
2021 MI USSC Trick or Treat Grab
Oct 24, 2021
🎓 Class of 2023#1of 1 · MI#62 USA*
200 IM SCY
PBAA
2:00.81
2022 MI Boys LVC Championship
Feb 25, 2022
🎓 Class of 2023#1of 1 · MI#64 USA*
400 IM SCY
PBA
4:27.40
MI Autumn IMX Challenge
Nov 5, 2022
🎓 Class of 2023#1of 1 · MI#60 USA*