Madeleine Koser

Age: 13 years, 5 months
Team: Rockville Montgomery Swim Club (PVRMSC)

50 Yd. FR 28.75 (BB)
2024 RMSC October Kick-Off Cla 10/20/24
Gold 26.49 (-2.26) Club:
80  PV:
464
A 27.89 (-0.86)
100 Yd. FR 1:02.55 (BB)
2025 RMSC January Meet 1/18/25
Gold 57.99 (-4.56) Club:
72  PV:
387
A 1:00.89 (-1.66)
200 Yd. FR 2:16.01 (B)
2024 HOKI November Invitationa 11/16/24
Gold 2:03.99 (-12.02) Club:
56  PV:
296
A 2:11.69 (-4.32)
500 Yd. FR 6:00.57 (BB)
2025 RMSC February Invitationa 2/21/25
Gold 5:28.09 (-32.48) Club:
50  PV:
240
A 5:53.39 (-7.18)
100 Yd. BK 1:17.26 (N/A)
2024 PV Turkey Claus Showdown 12/8/24
Gold 1:04.99 (-12.27) Club:
97  PV:
590
B 1:16.89 (-0.37)
50 Yd. BR 37.43 (N/A)
2024 Autumn Challenge Meet 11/3/24
  Club:
38  PV:
193
 
100 Yd. BR 1:17.88 (BB)
2025 RMSC January Meet 1/19/25
Gold 1:14.49 (-3.39) Club:
41  PV:
183
A 1:15.99 (-1.89)
200 Yd. BR 2:51.74 (BB)
2024 RMSC October Kick-Off Cla 10/19/24
Gold 2:39.99 (-11.75) Club:
48  PV:
236
A 2:43.79 (-7.95)
50 Yd. FL 36.99 (N/A)
2023 PV RMSC November Invitati 11/12/23
  Club:
89  PV:
652
 
100 Yd. IM 1:14.90 (N/A)
2024 Autumn Challenge Meet 11/3/24
  Club:
47  PV:
299
 
200 Yd. IM 2:40.54 (B)
2024 PV Turkey Claus Showdown 12/7/24
Gold 2:21.19 (-19.35) Club:
83  PV:
450
BB 2:39.49 (-1.05)
50 M FR 34.50 (BB)
2024 RMSC Spring Long Course C 5/11/24
Gold 30.59 (-3.91) Club:
90  PV:
451
A 31.89 (-2.61)
50 M BR 42.54 (N/A)
Maryland State LC Championship 6/2/24
  Club:
26  PV:
104
 
200 M BR 3:30.88 (B)
Maryland State LC Championship 5/31/24
Gold 3:08.99 (-21.89) Club:
41  PV:
185
BB 3:24.59 (-6.29)
Compare Athlete

2025 RMSC Spring Finale
Boyds , MD , 3/28/2025 to 3/30/2025
Team:PVRMSC - Age:13
EventPlaceEntryTimeDiff
#1E Girls 13-14 400 Yard Medley 5 5:27.55 -
#68A Girls 13-14 200 Yard Breast 7 2:51.74 2:51.96 0.22
#74A Girls 13-14 50 Yard Breast 7 1:17.88 36.53 -41.35
#78A Girls 13-14 50 Yard Free 30 28.75 28.84 0.09

2025 RMSC February Invitationa
Silver Spring , MD , 2/21/2025 to 2/23/2025
Team:PVRMSC - Age:13
EventPlaceEntryTimeDiff
#2E Girls 13-14 500 Yard Free 5 6:11.52 6:00.57 -10.95
#5B Girls 13-14 200 Yard Breast 12 2:51.74 2:53.11 1.37
#15C Girls 13-14 50 Yard Free 25 28.75 28.89 0.14
#21C Girls 13-14 100 Yard Breast 11 1:17.88 1:18.83 0.95

2025 RMSC January Meet
Boyds , MD , 1/17/2025 to 1/26/2025
Team:PVRMSC - Age:13
EventPlaceEntryTimeDiff
#2E Girls 13-14 500 Yard Free 11 6:11.52 -
#35A Girls 13-14 200 Yard Breast 5 2:51.74 2:53.30 1.56
#39A Girls 13-14 100 Yard Free 14 1:03.43 1:02.55 -0.88
#68A Girls 13-14 200 Yard Free 9 2:16.01 2:17.64 1.63
#74A Girls 13-14 100 Yard Breast 5 1:21.39 1:17.88 -3.51
#78A Girls 13-14 50 Yard Free 22 28.75 29.09 0.34

2024 PV Turkey Claus Showdown
College Park , MD , 12/5/2024 to 12/8/2024
Team:PVRMSC - Age:13
EventPlaceEntryTimeDiff
#25 Girls 13-14 200 Free 52 2:16.01 2:16.56 0.55
#69 Girls 13-14 100 Free 89 1:03.64 1:03.43 -0.21
#77 Girls 13-14 200 Medley 92 2:45.92 2:40.54 -5.38
#81 Girls 13-14 100 Breast 51 1:21.39 1:22.85 1.46
#101 Girls 13-14 100 Back 116 1:18.07 1:17.26 -0.81
#107 Girls 13-14 200 Breast 36 2:51.74 2:55.09 3.35
#119 Girls 13-14 50 Free 121 28.75 29.95 1.20

2024 HOKI November Invitationa
Christiansburg , VA , 11/15/2024 to 11/17/2024
Team:PVRMSC - Age:13
EventPlaceEntryTimeDiff
#11 Girls 13 & Over 100 Yard Free 111 1:04.69 1:03.64 -1.05
#13 Girls 13 & Over 200 Yard Breast 45 2:51.74 2:59.45 7.71
#29 Girls 13 & Over 200 Yard Free 70 2:17.98 2:16.01 -1.97
#33 Girls 13 & Over 100 Yard Back 119 1:20.26 1:18.07 -2.19
#37 Girls 13 & Over 100 Yard Breast 62 1:27.26 1:21.39 -5.87
#39 Girls 13 & Over 50 Yard Free 106 28.75 28.76 0.01

2024 Autumn Challenge Meet
Colesville , MD , 11/3/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#8 Mixed 11-12 50 Yard Free 53 28.75 29.47 0.72
#11 Mixed 11-12 50 Yard Breast 24 38.29 37.43 -0.86
#22 Mixed 11-12 100 Yard Medley 46 1:18.71 1:14.90 -3.81

2024 RMSC October Kick-Off Cla
Boyds , MD , 10/18/2024 to 10/20/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#13 Girls 11-12 200 Yard Breast 7 2:51.74 -
#17 Girls 11-12 200 Yard Medley 32 2:45.92 -
#23 Girls 11-12 100 Yard Free 23 1:12.23 1:04.69 -7.54
#51 Girls 11-12 200 Yard Free 22 2:17.98 -
#57 Girls 11-12 100 Yard Back 28 1:20.26 -
#61 Girls 11-12 50 Yard Free 10 30.69 28.75 -1.94

Maryland State LC Championship
Rockville , MD , 5/31/2024 to 6/2/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#27 Girls 11-12 200 Meter Breast 19 3:31.69 3:30.88 -0.81
#103 Girls 11-12 50 Meter Breast 25 38.29 42.54 4.25

2024 RMSC Spring Long Course C
N. Bethesda , MD , 5/10/2024 to 5/12/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#10 Mixed 11-12 200 Meter Breast 17 3:31.69 -
#13 Mixed 11-12 50 Meter Breast 16 43.50 43.76 0.26
#14 Mixed 11-12 50 Meter Free 55 34.87 34.50 -0.37
#27 Mixed 11-12 100 Meter Free 0 1:21.78 NS -
#29 Mixed 11-12 100 Meter Breast 0 1:38.86 NS -

2024 RMSC Spring Finale
Boyds , MD , 3/22/2024 to 3/24/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#16 Girls 11-12 200 Yard Breast 0 NS -
#18 Girls 11-12 50 Yard Back 0 44.99 NS -
#22 Girls 11-12 50 Yard Breast 0 38.29 NS -
#54 Girls 11-12 100 Yard Breast 0 1:27.26 NS -
#58 Girls 11-12 50 Yard Free 0 30.69 NS -
#62 Girls 11-12 100 Yard Medley 0 1:18.71 NS -

2024 RMSC February Invitationa
Silver Spring , MD , 2/23/2024 to 2/25/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#11B Girls 11-12 50 Yard Breast 11 38.91 38.29 -0.62
#15B Girls 11-12 50 Yard Free 30 30.69 31.45 0.76
#21B Girls 11-12 100 Yard Breast 14 1:27.26 1:30.76 3.50
#27B Girls 11-12 100 Yard Medley 25 1:18.71 1:19.23 0.52

2024 PV RMSC January Invitatio
Boyds , MD , 1/19/2024 to 1/21/2024
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#53 Girls 11-12 100 Yard Breast 6 1:27.26 1:27.82 0.56
#59 Girls 11-12 50 Yard Free 8 30.76 30.69 -0.07
#61 Girls 11-12 100 Yard Medley 10 1:22.32 1:18.71 -3.61

2023 PV Christmas Champs
LAUREL , MD , 12/1/2023 to 12/3/2023
Team:PVRMSC - Age:12
EventPlaceEntryTimeDiff
#15 Girls 11-12 50 Yard Fly 0 36.99 NS -
#19 Girls 11-12 100 Yard Breast 0 1:27.26 NS -
#23 Girls 11-12 50 Yard Free 0 30.76 NS -
#71 Girls 11-12 100 Yard Medley 36 1:32.32 1:22.32 -10.00
#77 Girls 11-12 50 Yard Breast 6 38.91 39.63 0.72
#79 Girls 11-12 100 Yard Free 40 1:14.09 1:12.23 -1.86

2023 PV RMSC November Invitati
Boyds , MD , 11/10/2023 to 11/12/2023
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#25 Girls 11-12 50 Yard Free 22 33.30 30.76 -2.54
#27 Girls 11-12 100 Yard Breast 20 1:29.86 1:27.26 -2.60
#61 Girls 11-12 50 Yard Breast 12 39.89 38.91 -0.98
#65 Girls 11-12 50 Yard Fly 38 37.90 36.99 -0.91
#67 Girls 11-12 100 Yard Free 50 1:15.34 1:14.09 -1.25

2023 PV RMSC October Kick-Off
Boyds , MD , 10/13/2023 to 10/15/2023
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#21 Girls 11-12 50 Yard Breast 18 43.44 39.89 -3.55
#23 Girls 11-12 100 Yard Free 77 1:26.83 1:15.34 -11.49
#55 Girls 11-12 100 Yard Breast 27 1:32.55 1:29.86 -2.69
#57 Girls 11-12 50 Yard Fly 47 39.88 37.90 -1.98
#61 Girls 11-12 50 Yard Free 59 36.26 33.30 -2.96

2023 PV RMSC Spring LC Classic
N. Bethesda , MD , 5/12/2023 to 5/14/2023
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#27 Mixed 11-12 100 Meter Free 0 1:26.83 NS -
#29 Mixed 11-12 100 Meter Breast 0 1:32.55 NS -

2023 PV RMSC Spring Finale
Boyds , MD , 3/24/2023 to 3/26/2023
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#52 Girls 11-12 50 Yard Fly 57 39.88 44.16 4.28
#54 Girls 11-12 100 Yard Breast 21 1:32.89 1:32.55 -0.34
#58 Girls 11-12 50 Yard Free 60 37.89 36.26 -1.63

2023 PV RMSC February Invitati
Silver Spring , MD , 2/24/2023 to 2/26/2023
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#21B Girls 11-12 100 Yard Breast 20 1:43.21 1:32.89 -10.32
#23B Girls 11-12 50 Yard Fly 46 39.88 -

2023 PV RMSC January Invitatio
Boyds , MD , 1/20/2023 to 1/22/2023
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#15 Girls 11-12 50 Yard Back 57 44.99 -
#21 Girls 11-12 50 Yard Breast 30 48.15 43.44 -4.71
#23 Girls 11-12 100 Yard Free 68 1:26.83 -

2022 PV Christmas Championship
Laurel , MD , 12/2/2022 to 12/4/2022
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#33 Girls 11-12 100 Breast 0 1:43.21 DQ -
#49 Girls 11-12 50 Free 120 39.65 37.89 -1.76
#61 Girls 11-12 100 Medley 66 1:34.46 1:32.32 -2.14
#85 Girls 11-12 50 Breast 63 48.26 48.15 -0.11

2022 PV RMSC November Invitati
Boyds , MD , 11/18/2022 to 11/20/2022
Team:PVRMSC - Age:11
EventPlaceEntryTimeDiff
#19 Girls 11-12 100 Yard Medley 54 1:36.74 1:34.46 -2.28
#25 Girls 11-12 50 Yard Free 80 39.65 39.79 0.14
#27 Girls 11-12 100 Yard Breast 50 1:43.21 -

2022 PV October Kick-Off Class
Boyds , MD , 10/14/2022 to 10/16/2022
Team:PVRMSC - Age:10
EventPlaceEntryTimeDiff
#9 Girls 09-10 50 Yard Breast 40 48.26 -
#47 Girls 09-10 50 Yard Free 63 39.65 -
#49 Girls 09-10 100 Yard Medley 20 1:36.74 -
EventMeetDateTimeDiff
50 Free SCY 2025 RMSC Spring Finale 3/30/25 28.84 -0.05
50 Free SCY 2025 RMSC February Invitationa 2/22/25 28.89 -0.2
50 Free SCY 2025 RMSC January Meet 1/19/25 29.09 -0.86
50 Free SCY 2024 PV Turkey Claus Showdown 12/8/24 29.95 1.19
50 Free SCY 2024 HOKI November Invitationa 11/17/24 28.76 -0.71
50 Free SCY 2024 Autumn Challenge Meet 11/3/24 29.47 0.72
50 Free SCY 2024 RMSC October Kick-Off Cla 10/20/24 28.75 -2.7
50 Free SCY 2024 RMSC Spring Finale 3/24/24 NS 0
50 Free SCY 2024 RMSC February Invitationa 2/24/24 31.45 0.76
50 Free SCY 2024 PV RMSC January Invitatio 1/21/24 30.69 -0.07
50 Free SCY 2023 PV Christmas Champs 12/2/23 NS 0
50 Free SCY 2023 PV RMSC November Invitati 11/11/23 30.76 -2.54
50 Free SCY 2023 PV RMSC October Kick-Off 10/15/23 33.30 -2.96
50 Free SCY 2023 PV RMSC Spring Finale 3/26/23 36.26 -1.63
50 Free SCY 2022 PV Christmas Championship 12/3/22 37.89 -1.9
50 Free SCY 2022 PV RMSC November Invitati 11/19/22 39.79 0.14
50 Free SCY 2022 PV October Kick-Off Class 10/16/22 39.65 0
 
50 Back SCY 2024 RMSC Spring Finale 3/23/24 NS 0
50 Back SCY 2023 PV RMSC January Invitatio 1/21/23 44.99 0
 
50 Breast SCY 2025 RMSC Spring Finale 3/30/25 36.53 -0.9
50 Breast SCY 2024 Autumn Challenge Meet 11/3/24 37.43 -0.86
50 Breast SCY 2024 RMSC Spring Finale 3/23/24 NS 0
50 Breast SCY 2024 RMSC February Invitationa 2/24/24 38.29 -1.34
50 Breast SCY 2023 PV Christmas Champs 12/3/23 39.63 0.72
50 Breast SCY 2023 PV RMSC November Invitati 11/12/23 38.91 -0.98
50 Breast SCY 2023 PV RMSC October Kick-Off 10/14/23 39.89 -3.55
50 Breast SCY 2023 PV RMSC January Invitatio 1/21/23 43.44 -4.71
50 Breast SCY 2022 PV Christmas Championship 12/4/22 48.15 -0.11
50 Breast SCY 2022 PV October Kick-Off Class 10/15/22 48.26 0
 
50 Fly SCY 2023 PV Christmas Champs 12/2/23 NS 0
50 Fly SCY 2023 PV RMSC November Invitati 11/12/23 36.99 -0.91
50 Fly SCY 2023 PV RMSC October Kick-Off 10/15/23 37.90 -6.26
50 Fly SCY 2023 PV RMSC Spring Finale 3/26/23 44.16 4.28
50 Fly SCY 2023 PV RMSC February Invitati 2/26/23 39.88 0
 
100 Free SCY 2025 RMSC January Meet 1/18/25 1:02.55 -0.88
100 Free SCY 2024 PV Turkey Claus Showdown 12/7/24 1:03.43 -0.21
100 Free SCY 2024 HOKI November Invitationa 11/16/24 1:03.64 -1.05
100 Free SCY 2024 RMSC October Kick-Off Cla 10/19/24 1:04.69 -7.54
100 Free SCY 2023 PV Christmas Champs 12/3/23 1:12.23 -1.86
100 Free SCY 2023 PV RMSC November Invitati 11/12/23 1:14.09 -1.25
100 Free SCY 2023 PV RMSC October Kick-Off 10/14/23 1:15.34 -11.49
100 Free SCY 2023 PV RMSC January Invitatio 1/21/23 1:26.83 0
 
100 Back SCY 2024 PV Turkey Claus Showdown 12/8/24 1:17.26 -0.81
100 Back SCY 2024 HOKI November Invitationa 11/16/24 1:18.07 -2.19
100 Back SCY 2024 RMSC October Kick-Off Cla 10/20/24 1:20.26 0
 
100 Breast SCY 2025 RMSC February Invitationa 2/23/25 1:18.83 0.95
100 Breast SCY 2025 RMSC January Meet 1/19/25 1:17.88 -4.97
100 Breast SCY 2024 PV Turkey Claus Showdown 12/7/24 1:22.85 1.46
100 Breast SCY 2024 HOKI November Invitationa 11/17/24 1:21.39 -9.37
100 Breast SCY 2024 RMSC Spring Finale 3/24/24 NS 0
100 Breast SCY 2024 RMSC February Invitationa 2/25/24 1:30.76 2.94
100 Breast SCY 2024 PV RMSC January Invitatio 1/21/24 1:27.82 0.56
100 Breast SCY 2023 PV Christmas Champs 12/2/23 NS 0
100 Breast SCY 2023 PV RMSC November Invitati 11/11/23 1:27.26 -2.6
100 Breast SCY 2023 PV RMSC October Kick-Off 10/15/23 1:29.86 -2.69
100 Breast SCY 2023 PV RMSC Spring Finale 3/26/23 1:32.55 -0.34
100 Breast SCY 2023 PV RMSC February Invitati 2/26/23 1:32.89 -10.32
100 Breast SCY 2022 PV Christmas Championship 12/3/22 DQ 0
100 Breast SCY 2022 PV RMSC November Invitati 11/19/22 1:43.21 0
 
100 Medley SCY 2024 Autumn Challenge Meet 11/3/24 1:14.90 -4.33
100 Medley SCY 2024 RMSC Spring Finale 3/24/24 NS 0
100 Medley SCY 2024 RMSC February Invitationa 2/25/24 1:19.23 0.52
100 Medley SCY 2024 PV RMSC January Invitatio 1/21/24 1:18.71 -3.61
100 Medley SCY 2023 PV Christmas Champs 12/3/23 1:22.32 -10
100 Medley SCY 2022 PV Christmas Championship 12/4/22 1:32.32 -2.14
100 Medley SCY 2022 PV RMSC November Invitati 11/19/22 1:34.46 -2.28
100 Medley SCY 2022 PV October Kick-Off Class 10/16/22 1:36.74 0
 
200 Free SCY 2025 RMSC January Meet 1/19/25 2:17.64 1.08
200 Free SCY 2024 PV Turkey Claus Showdown 12/6/24 2:16.56 0.55
200 Free SCY 2024 HOKI November Invitationa 11/16/24 2:16.01 -1.97
200 Free SCY 2024 RMSC October Kick-Off Cla 10/20/24 2:17.98 0
 
200 Breast SCY 2025 RMSC Spring Finale 3/30/25 2:51.96 -1.15
200 Breast SCY 2025 RMSC February Invitationa 2/22/25 2:53.11 -0.19
200 Breast SCY 2025 RMSC January Meet 1/18/25 2:53.30 -1.79
200 Breast SCY 2024 PV Turkey Claus Showdown 12/8/24 2:55.09 -4.36
200 Breast SCY 2024 HOKI November Invitationa 11/16/24 2:59.45 7.71
200 Breast SCY 2024 RMSC October Kick-Off Cla 10/19/24 2:51.74 0
200 Breast SCY 2024 RMSC Spring Finale 3/23/24 NS 0
 
200 Medley SCY 2024 PV Turkey Claus Showdown 12/7/24 2:40.54 -5.38
200 Medley SCY 2024 RMSC October Kick-Off Cla 10/19/24 2:45.92 0
 
400 Medley SCY 2025 RMSC Spring Finale 3/28/25 5:27.55 0
 
500 Free SCY 2025 RMSC February Invitationa 2/21/25 6:00.57 -10.95
500 Free SCY 2025 RMSC January Meet 1/17/25 6:11.52 0
 
50 Free LCM 2024 RMSC Spring Long Course C 5/11/24 34.50 0
 
50 Breast LCM Maryland State LC Championship 6/2/24 42.54 -1.22
50 Breast LCM 2024 RMSC Spring Long Course C 5/11/24 43.76 0
 
100 Free LCM 2024 RMSC Spring Long Course C 5/12/24 NS 0
100 Free LCM 2023 PV RMSC Spring LC Classic 5/14/23 NS 0
 
100 Breast LCM 2024 RMSC Spring Long Course C 5/12/24 NS 0
100 Breast LCM 2023 PV RMSC Spring LC Classic 5/14/23 NS 0
 
200 Breast LCM Maryland State LC Championship 5/31/24 3:30.88 -0.81
200 Breast LCM 2024 RMSC Spring Long Course C 5/11/24 3:31.69 0