What's a good long course 400 individual medley time for a 18-year-old boy?
For 18-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 — 18-year-old boys (LCM)
The average (median) 18-year-old boy swims the 400 individual medley around 5:01.16 (LCM). Cracking the top 10% takes about 4:35.95, and the fastest 1% go under 4:24.58. Based on 1,186 swimmers with a recorded time.
400 IM motivational standards — 17-18 boys (LCM)
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)
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 18-year-old boy?
A typical (median) 18-year-old boy swims the 400 individual medley around 5:01.16 (LCM). A good time is faster than that — cracking the top 10% takes about 4:35.95. For reference, the USA Swimming B motivational standard is 6:07.59 and AAAA is 4:35.69. Based on 1,186 swimmers with a recorded time.
What's a fast 400 individual medley time for a 18-year-old boy?
The fastest 1% of 18-year-old boys go under 4:24.58 in the 400 individual medley (LCM) — around the AAAA motivational standard of 4:35.69. The top 10% are under 4:35.95.
What's the average 400 individual medley time for a 18-year-old boy?
The median 18-year-old boy swims about 5:01.16 in the 400 individual medley (LCM), based on 1,186 swimmers with a recorded time.
What are the USA Swimming motivational standards for the 18-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.
