What's a good long course 400 individual medley time for a 17-year-old boy?

For 17-year-old boys (LCM), USA Swimming motivational times run from a B standard of 6:07.59 to a AAAA standard of 4:35.69. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 400 IM times — 17-year-old boys (LCM)

Average
5:09.17
50th percentile
Top 10%
4:42.55
faster than 90%
Top 1%
4:28.34
elite

The average (median) 17-year-old boy swims the 400 individual medley around 5:09.17 (LCM). Cracking the top 10% takes about 4:42.55, and the fastest 1% go under 4:28.34. Based on 2,551 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 400 IM (LCM) time to see the national percentile for 17 boys and the nearest USA Swimming cut.

400 IM motivational standards — 17-18 boys (LCM)

StandardTime
B6:07.59
BB5:41.29
A5:15.09
AA5:01.89
AAA4:48.79
AAAA4:35.69

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 17-year-old boy?

A typical (median) 17-year-old boy swims the 400 individual medley around 5:09.17 (LCM). A good time is faster than that — cracking the top 10% takes about 4:42.55. For reference, the USA Swimming B motivational standard is 6:07.59 and AAAA is 4:35.69. Based on 2,551 swimmers with a recorded time.

What's a fast 400 individual medley time for a 17-year-old boy?

The fastest 1% of 17-year-old boys go under 4:28.34 in the 400 individual medley (LCM) — around the AAAA motivational standard of 4:35.69. The top 10% are under 4:42.55.

What's the average 400 individual medley time for a 17-year-old boy?

The median 17-year-old boy swims about 5:09.17 in the 400 individual medley (LCM), based on 2,551 swimmers with a recorded time.

What are the USA Swimming motivational standards for the 17-and-up 400 IM?

For 17-18 boys (LCM), the 400 IM motivational cuts are B 6:07.59, BB 5:41.29, A 5:15.09, AA 5:01.89, AAA 4:48.79, AAAA 4:35.69.

Other events: 50 Free100 Free200 Free500 Free1000 Free1650 Free
Same event in short course yards: 400 IM for 17-year-old boys →
See the full 17-18 boys standards →
Get the full experience in the app
See where 17-year-old boys rank, then track your swimmer's 400 IM automatically — every drop and cut on your phone, in the app.
Download on the App Store