What's a good long course 400 freestyle time for a 18-year-old boy?

For 18-year-old boys (LCM), USA Swimming motivational times run from a B standard of 5:26.49 to a AAAA standard of 4:04.89. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 400 Free times — 18-year-old boys (LCM)

Median
4:30.50
50th percentile
Top 10%
4:06.41
faster than 90%
Top 1%
3:56.11
elite

A typical (median) 18-year-old boy swims the 400 freestyle around 4:30.50 (LCM). Cracking the top 10% takes about 4:06.41, and the fastest 1% go under 3:56.11. Based on 1,852 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 400 Free (LCM) time to see the national percentile for 18 boys and the nearest USA Swimming cut.

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

StandardTime
B5:26.49
BB5:03.09
A4:39.79
AA4:28.19
AAA4:16.49
AAAA4:04.89

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

Frequently asked questions

What's a good 400 freestyle time for a 18-year-old boy?

A typical (median) 18-year-old boy swims the 400 freestyle around 4:30.50 (LCM). A good time is faster than that — cracking the top 10% takes about 4:06.41. For reference, the USA Swimming B motivational standard is 5:26.49 and AAAA is 4:04.89. Based on 1,852 swimmers with a recorded time.

What's a fast 400 freestyle time for a 18-year-old boy?

The fastest 1% of 18-year-old boys go under 3:56.11 in the 400 freestyle (LCM) — around the AAAA motivational standard of 4:04.89. The top 10% are under 4:06.41.

What's the average 400 freestyle time for a 18-year-old boy?

The median 18-year-old boy swims about 4:30.50 in the 400 freestyle (LCM), based on 1,852 swimmers with a recorded time.

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

For 17-18 boys (LCM), the 400 Free motivational cuts are B 5:26.49, BB 5:03.09, A 4:39.79, AA 4:28.19, AAA 4:16.49, AAAA 4:04.89.

Other ages: 17-year-old boys
Other events: 50 Free100 Free200 Free500 Free1000 Free1650 Free
See the full 17-18 boys standards →
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