What's a good long course 50 backstroke time for a 15-year-old boy?

For 15-year-old boys (LCM), USA Swimming motivational times run from a B standard of 37.79 to a AAAA standard of 28.39. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 50 Back times — 15-year-old boys (LCM)

Average
34.15
50th percentile
Top 10%
29.88
faster than 90%
Top 1%
27.87
elite

The average (median) 15-year-old boy swims the 50 backstroke around 34.15 (LCM). Cracking the top 10% takes about 29.88, and the fastest 1% go under 27.87. Based on 5,083 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 50 Back (LCM) time to see the national percentile for 15 boys and the nearest USA Swimming cut.

50 Back motivational standards — 15-16 boys (LCM)

StandardTime
B37.79
BB35.09
A32.39
AA31.09
AAA29.69
AAAA28.39

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

Average 50 Back time by age — boys (LCM)

AgeAverageTop 10%
8-year-old boys56.9847.30
9-year-old boys52.2543.53
10-year-old boys48.0840.33
11-year-old boys45.2238.10
12-year-old boys41.6435.31
13-year-old boys38.8833.11
14-year-old boys35.9931.04
15-year-old boys34.1529.88
16-year-old boys32.6528.96
17-year-old boys31.5228.28
18-year-old boys30.2027.47

Average = the median recorded 50 Back time (LCM) for that age. Top 10% = faster than 90% of boys the same age.

Frequently asked questions

What's a good 50 backstroke time for a 15-year-old boy?

A typical (median) 15-year-old boy swims the 50 backstroke around 34.15 (LCM). A good time is faster than that — cracking the top 10% takes about 29.88. For reference, the USA Swimming B motivational standard is 37.79 and AAAA is 28.39. Based on 5,083 swimmers with a recorded time.

What's a fast 50 backstroke time for a 15-year-old boy?

The fastest 1% of 15-year-old boys go under 27.87 in the 50 backstroke (LCM) — around the AAAA motivational standard of 28.39. The top 10% are under 29.88.

What's the average 50 backstroke time for a 15-year-old boy?

The median 15-year-old boy swims about 34.15 in the 50 backstroke (LCM), based on 5,083 swimmers with a recorded time.

What are the USA Swimming motivational standards for the 15-and-up 50 Back?

For 15-16 boys (LCM), the 50 Back motivational cuts are B 37.79, BB 35.09, A 32.39, AA 31.09, AAA 29.69, AAAA 28.39.

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Same event in short course yards: 50 Back for 15-year-old boys →
See the full 15-16 boys standards →
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