What's a good 400 individual medley time for a 18-year-old girl?

For 18-year-old girls (SCY), USA Swimming motivational times run from a B standard of 5:50.69 to a AAAA standard of 4:22.99. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 400 IM times — 18-year-old girls (SCY)

Average
4:46.12
50th percentile
Top 10%
4:24.76
faster than 90%
Top 1%
4:12.98
elite

The average (median) 18-year-old girl swims the 400 individual medley around 4:46.12 (SCY). Cracking the top 10% takes about 4:24.76, and the fastest 1% go under 4:12.98. Based on 1,560 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 400 IM (SCY) time to see the national percentile for 18 girls and the nearest USA Swimming cut.

400 IM motivational standards — 17-18 girls (SCY)

StandardTime
B5:50.69
BB5:25.59
A5:00.59
AA4:47.99
AAA4:35.49
AAAA4:22.99

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

Average 400 IM time by age — girls (SCY)

AgeAverageTop 10%
11-year-old girls5:47.965:12.72
12-year-old girls5:31.585:00.50
13-year-old girls5:23.014:51.70
14-year-old girls5:12.804:43.54
15-year-old girls5:04.984:37.52
16-year-old girls4:58.884:33.47
17-year-old girls4:53.854:30.00
18-year-old girls4:46.124:24.76

Average = the median recorded 400 IM time (SCY) for that age. Top 10% = faster than 90% of girls the same age.

Frequently asked questions

What's a good 400 individual medley time for a 18-year-old girl?

A typical (median) 18-year-old girl swims the 400 individual medley around 4:46.12 (SCY). A good time is faster than that — cracking the top 10% takes about 4:24.76. For reference, the USA Swimming B motivational standard is 5:50.69 and AAAA is 4:22.99. Based on 1,560 swimmers with a recorded time.

What's a fast 400 individual medley time for a 18-year-old girl?

The fastest 1% of 18-year-old girls go under 4:12.98 in the 400 individual medley (SCY) — around the AAAA motivational standard of 4:22.99. The top 10% are under 4:24.76.

What's the average 400 individual medley time for a 18-year-old girl?

The median 18-year-old girl swims about 4:46.12 in the 400 individual medley (SCY), based on 1,560 swimmers with a recorded time.

What are the USA Swimming motivational standards for the 18-and-up 400 IM?

For 17-18 girls (SCY), the 400 IM motivational cuts are B 5:50.69, BB 5:25.59, A 5:00.59, AA 4:47.99, AAA 4:35.49, AAAA 4:22.99.

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Same event in long course (50m): 400 IM for 18-year-old girls →
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See the fastest 17-18 girls in the 400 IM nationally →
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