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MIBBD

Birmingham Blue Dolphins

MI
620 athletes in resultsMI
GENDERGirlsBoys
AGE GROUP10 & under11-1213-1415-1617-18
COURSESCYLCM
SEASON2025-262024-253 seasons
15-16 Boys · SCY · 2025-26
11 boys aged 15-16 have a 2025-26 SCY time here.
Free is the deepest stroke here — 9 in the 50 Free, 8 in the 100 Free, 18 of them AA or better.
Thinnest: 1 in the 1000 Free.
11
15-16 boys in the slice
17
Events covered
643
Median Power Points
MI #11
Headcount rank in the LSC
EVENT BY EVENT

How deep, per event

Event
N
Tier spread (weak → strong)
Median
Fastest
50 Free
9
23.46
21.60
100 Free
8
50.15
46.37
200 Free
7
1:46.26
1:42.01
500 Free
5
sample too small for a distribution (5 < 6)
—
4:42.24
1000 Free
1
sample too small for a distribution (1 < 6)
—
9:49.27
50 Back
4
sample too small for a distribution (4 < 6)
—
25.93
100 Back
7
1:00.32
55.24
200 Back
2
sample too small for a distribution (2 < 6)
—
1:58.08
50 Breast
5
sample too small for a distribution (5 < 6)
—
27.10
100 Breast
5
sample too small for a distribution (5 < 6)
—
59.61
200 Breast
3
sample too small for a distribution (3 < 6)
—
2:26.41
50 Fly
5
sample too small for a distribution (5 < 6)
—
23.81
100 Fly
4
sample too small for a distribution (4 < 6)
—
50.76
200 Fly
1
sample too small for a distribution (1 < 6)
—
2:19.80
200 IM
5
sample too small for a distribution (5 < 6)
—
1:55.62
400 IM
1
sample too small for a distribution (1 < 6)
—
4:12.15
100 IM
6
57.22
53.31
BBBAAAAAAAAAAno published tiersegment length = swimmers per tier · light → dark = the results page’s own scale
IF YOU SWITCHED

Same slice at other clubs

The comparison families actually make — not which club scores higher, but whether your swimmer would still have people to train with in this event. The two biggest MI squads for this slice, beside Birmingham Blue Dolphins: 50 Free SCY · 15-16 boys · 2025-26.
Birmingham Blue Dolphins
MIBBD · MI · current
In this event9
Median23.46
Fastest21.60
In this event32
Median24.76
Fastest21.94
Oly Swimming
MIOLY · MI
In this event20
Median25.37
Fastest22.00
All three columns present numbers only — no rankings, no grades, no verdicts. Cells with fewer than 6 swimmers say so instead of drawing a distribution. Pick a swimmer above to see how many ±2% training partners each club would offer.
AGE GROUPS

Who swims here, by age

620 swimmers on the public roster — counts, not grades
10 & under
210
11-12
82
13-14
52
15-16
27
17-18
18
19 & over
0
Girls Boys median shape of same-size MI clubs (12 clubs) — a reference, not a grade+ 231 with no current age on file (not binned — an old age is not aged forward)
RETENTION

Who came back this season

Of the swimmers who swam for Birmingham Blue Dolphins in 2024-25 — how many are here in 2025-26
10 & under
94% · 90/96
11-12
89% · 78/88
13-14
81% · 46/57
15-16
83% · 39/47
17-18
53% · 8/15
All ages
86% · 261/304
all MI clubs pooled (91% overall)
The mid-teens drop-off is sport-wide, not one club’s story — read every row against the MI marker, never in isolation. Age groups are the swimmer’s age at the end of 2024-25; swimmers with no birth date on file are counted in All ages only. Membership is counted from published swims, so a swimmer who hasn’t raced yet in 2025-26 still counts as here while the roster carries them.
MEET CADENCE

How much this club races, and at what level

Distinct meets the current roster swam at — counting meets, never scores
2025–26 · 34 meets
Local / in-house
28
Invitational
2
LSC championship
3
Sectional / zone
0
National
1
2024–25 · 61 meets
Local / in-house
51
Invitational
5
LSC championship
4
Sectional / zone
0
National
1
Meets are attributed through the current roster’s published swims, so a season a swimmer raced before joining Birmingham Blue Dolphins counts toward the meets they attended then. Numbers describe; they do not rank.

Built from publicly published meet results. Athlete counts reflect swimmers appearing in the results on SwimMeetIQ, not official club membership.