Table 5.

Systematic bias ± random error (RE, i.e., 1.6 standard deviation) and proportional bias ± residual standard error (RSE) for critical speed (CS) and distance that can be run above CS (d′) when comparing $d(s)$ using weighted least squares (WLS) with both $s(t)$ using least squares (LS) and $d(t)$ using LS

	$d(s)$ using WLS vs. $s\left(t\right)$ using LS		$d(s)$ using WLS vs. $d(t)$ using LS
	CS	d′	CS	d′
Systematic bias ± RE P	− 0.19 ± 0.04  < 0.001	55.0 ± 11.3  < 0.001	− 0.03 ± 0.01  < 0.001	12.0 ± 3.9  < 0.001
Proportional bias ± RSE P	− 0.06 ± 0.04 0.21	0.20 ± 0.10 0.07	0.03 ± 0.01 0.07	0.11 ± 0.02  < 0.001

Significant differences (P ≤ 0.05) are depicted in bold font