Plank Hold: Females, Age 12-15

Page updated: Evidence reviewed: What this means

What these numbers mean

A value around 68.2 seconds is typical (50th percentile) for females in this age group. Scores above about 103.3 seconds fall near the 75th percentile or higher, indicating above-average performance. Scores below about 41.8 seconds fall near the 25th percentile; about 75% of the reference population scored higher.

These percentiles describe US youth measured in 2012 with the NNYFS forearm-plank protocol. Adult scores and results from capped or differently administered planks are not directly comparable.

Also see: 6-11 · All ages

Data source: McDonough et al. 2026 / NNYFS 2012 plank derivation (2026) · n=236 About this study

Reference population: US children and adolescents examined in the nationally representative 2012 National Youth Fitness Survey; 1,209 participants aged 6 or older at the examination had a recorded plank time

Plank Hold Strength Females 12-15

Plank Hold Percentile Chart (seconds)

Poor 15.0 seconds
Below average 41.8 seconds
Average 68.2 seconds
Above average 103.3 seconds
Excellent 149.7 seconds
Plank Hold percentile distribution chart for Females, age 12-15 5th 5th: 15.0 seconds (Poor) 15.0 Poor 25th 25th: 41.8 seconds (Below average) 41.8 Below average 50th 50th: 68.2 seconds (Average) 68.2 Average 75th 75th: 103.3 seconds (Above average) 103.3 Above average 95th 95th: 149.7 seconds (Excellent) 149.7 Excellent 0 32 64 96 128 160 seconds Plank Hold percentile distribution chart for Females, age 12-15 5th 5th: 15.0 seconds (Poor) 15.0 Poor 25th 25th: 41.8 seconds (Below average) 41.8 Below average 50th 50th: 68.2 seconds (Average) 68.2 Average 75th 75th: 103.3 seconds (Above average) 103.3 Above average 95th 95th: 149.7 seconds (Excellent) 149.7 Excellent 0 32 64 96 128 160 seconds

This percentile chart shows how common a value is, not whether it is healthy.

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Other age brackets
Males data Males, 12-15
Age trend

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