What's a good long course 400 individual medley time for a 12-year-old boy?

For 12-year-old boys (LCM), USA Swimming motivational times run from a B standard of 7:17.89 to a AAAA standard of 5:28.39. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 400 IM times — 12-year-old boys (LCM)

Average
6:02.64
50th percentile
Top 10%
5:31.20
faster than 90%
Top 1%
5:09.61
elite

The average (median) 12-year-old boy swims the 400 individual medley around 6:02.64 (LCM). Cracking the top 10% takes about 5:31.20, and the fastest 1% go under 5:09.61. Based on 1,971 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 400 IM (LCM) time to see the national percentile for 12 boys and the nearest USA Swimming cut.

400 IM motivational standards — 11-12 boys (LCM)

StandardTime
B7:17.89
BB6:46.59
A6:15.39
AA5:59.69
AAA5:44.09
AAAA5:28.39

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 — boys (LCM)

AgeAverageTop 10%
11-year-old boys6:18.605:46.13
12-year-old boys6:02.645:31.20
13-year-old boys5:47.035:15.36
14-year-old boys5:32.845:02.91
15-year-old boys5:22.754:53.68
16-year-old boys5:15.354:46.24
17-year-old boys5:09.174:42.55
18-year-old boys5:01.164:35.95

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

Frequently asked questions

What's a good 400 individual medley time for a 12-year-old boy?

A typical (median) 12-year-old boy swims the 400 individual medley around 6:02.64 (LCM). A good time is faster than that — cracking the top 10% takes about 5:31.20. For reference, the USA Swimming B motivational standard is 7:17.89 and AAAA is 5:28.39. Based on 1,971 swimmers with a recorded time.

What's a fast 400 individual medley time for a 12-year-old boy?

The fastest 1% of 12-year-old boys go under 5:09.61 in the 400 individual medley (LCM) — around the AAAA motivational standard of 5:28.39. The top 10% are under 5:31.20.

What's the average 400 individual medley time for a 12-year-old boy?

The median 12-year-old boy swims about 6:02.64 in the 400 individual medley (LCM), based on 1,971 swimmers with a recorded time.

What are the USA Swimming motivational standards for the 12-and-up 400 IM?

For 11-12 boys (LCM), the 400 IM motivational cuts are B 7:17.89, BB 6:46.59, A 6:15.39, AA 5:59.69, AAA 5:44.09, AAAA 5:28.39.

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