Prediction of Half-Marathon Power Target using the 9/3-Minute Running Critical Power Test

Table 1. Agreement between power output using the 9/3-minute Stryd CP and the half-marathon.

Parameters	Mean	SD	95% CI
HM relative power (W/kg)	4.32	0.57	3.88 to 4.76
CP relative power (W/kg)	4.45	0.67	3.93 to 4.96
Paired difference (W/kg)	0.13	0.31	-0.11 to 0.37
Lower LoA (W/kg)	-0.49	–	-0.92 to -0.06
Upper LoA (W/kg)	0.75	–	0.31 to 1.17
Cal. eq. intercept β₀ (W/kg)	0.97	–	-0.64 to 2.59
Cal. eq. slope β₁	0.75	–	0.39 to 1.11
Pearson’s correlation r	0.88	–	0.52 to 0.97
SEE	0.29	–	0.19 to 0.58