What's a good long course 50 butterfly time for a 18-year-old girl?

For 18-year-old girls (LCM), USA Swimming motivational times run from a B standard of 38.39 to a AAAA standard of 28.79. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 50 Fly times — 18-year-old girls (LCM)

Average
31.30
50th percentile
Top 10%
28.66
faster than 90%
Top 1%
27.18
elite

The average (median) 18-year-old girl swims the 50 butterfly around 31.30 (LCM). Cracking the top 10% takes about 28.66, and the fastest 1% go under 27.18. Based on 1,674 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 50 Fly (LCM) time to see the national percentile for 18 girls and the nearest USA Swimming cut.

50 Fly motivational standards — 17-18 girls (LCM)

StandardTime
B38.39
BB35.59
A32.89
AA31.49
AAA30.19
AAAA28.79

USA Swimming National Age Group Motivational Times. A time faster than a level's cut counts as that standard achieved.

Average 50 Fly time by age — girls (LCM)

AgeAverageTop 10%
8-year-old girls59.7546.78
9-year-old girls54.3042.28
10-year-old girls48.1338.16
11-year-old girls43.6335.68
12-year-old girls39.4033.52
13-year-old girls37.0432.29
14-year-old girls35.4431.23
15-year-old girls34.3230.54
16-year-old girls33.3929.94
17-year-old girls32.5229.35
18-year-old girls31.3028.66

Average = the median recorded 50 Fly time (LCM) for that age. Top 10% = faster than 90% of girls the same age.

Frequently asked questions

What's a good 50 butterfly time for a 18-year-old girl?

A typical (median) 18-year-old girl swims the 50 butterfly around 31.30 (LCM). A good time is faster than that — cracking the top 10% takes about 28.66. For reference, the USA Swimming B motivational standard is 38.39 and AAAA is 28.79. Based on 1,674 swimmers with a recorded time.

What's a fast 50 butterfly time for a 18-year-old girl?

The fastest 1% of 18-year-old girls go under 27.18 in the 50 butterfly (LCM) — around the AAAA motivational standard of 28.79. The top 10% are under 28.66.

What's the average 50 butterfly time for a 18-year-old girl?

The median 18-year-old girl swims about 31.30 in the 50 butterfly (LCM), based on 1,674 swimmers with a recorded time.

What are the USA Swimming motivational standards for the 18-and-up 50 Fly?

For 17-18 girls (LCM), the 50 Fly motivational cuts are B 38.39, BB 35.59, A 32.89, AA 31.49, AAA 30.19, AAAA 28.79.

Other events: 50 Free100 Free200 Free500 Free1000 Free1650 Free
Same event in short course yards: 50 Fly for 18-year-old girls →
See the full 17-18 girls standards →
Get the full experience in the app
See where 18-year-old girls rank, then track your swimmer's 50 Fly automatically — every drop and cut on your phone, in the app.
Download on the App StoreGet it on Google Play