What's a good 50 butterfly time for a 10-year-old boy?

For 10-year-old boys (SCY), USA Swimming motivational times run from a B standard of 46.49 to a AAAA standard of 30.79. Enter a time below to see exactly where it ranks nationally and which cut it's closest to.

National 50 Fly times — 10-year-old boys (SCY)

Median
44.04
50th percentile
Top 10%
34.18
faster than 90%
Top 1%
30.48
elite

A typical (median) 10-year-old boy swims the 50 butterfly around 44.04 (SCY). Cracking the top 10% takes about 34.18, and the fastest 1% go under 30.48. Based on 17,341 swimmers with a recorded time.

How does your swimmer's time rank?

Enter a 50 Fly (SCY) time to see the national percentile for 10 boys and the nearest USA Swimming cut.

50 Fly motivational standards — 10 & Under boys (SCY)

StandardTime
B46.49
BB41.29
A35.99
AA34.29
AAA32.59
AAAA30.79

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 50 butterfly time for a 10-year-old boy?

A typical (median) 10-year-old boy swims the 50 butterfly around 44.04 (SCY). A good time is faster than that — cracking the top 10% takes about 34.18. For reference, the USA Swimming B motivational standard is 46.49 and AAAA is 30.79. Based on 17,341 swimmers with a recorded time.

What's a fast 50 butterfly time for a 10-year-old boy?

The fastest 1% of 10-year-old boys go under 30.48 in the 50 butterfly (SCY) — around the AAAA motivational standard of 30.79. The top 10% are under 34.18.

What's the average 50 butterfly time for a 10-year-old boy?

The median 10-year-old boy swims about 44.04 in the 50 butterfly (SCY), based on 17,341 swimmers with a recorded time.

What are the USA Swimming motivational standards for the 10-and-under 50 Fly?

For 10 & Under boys (SCY), the 50 Fly motivational cuts are B 46.49, BB 41.29, A 35.99, AA 34.29, AAA 32.59, AAAA 30.79.

Other ages: 11-year-old boys
Other events: 50 Free100 Free200 Free500 Free50 Back100 Back
See the full 10 & Under boys standards →
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