Table 4.

Performance time, heart rate, and power output at 15%, 30%, 45%, 60%, 75%, 90%, and 100% of work completed during the time trial in the hydrated (HYD) and dehydrated (DEH) trials

Work completed	15%	30%	45%	60%	75%	90%	100%
Time (min)
HYD	–	–	–	–	–	–	31.8 ± 4.1
DEH	–	–	–	–	–	–	36.0 ± 3.1*
Heart rate (bpm)
HYD	180 ± 3	182 ± 3	182 ± 3	183 ± 3	184 ± 3†	185 ± 3†	187 ± 3†
DEH	179 ± 2	181 ± 2	180 ± 3	179 ± 4	183 ± 3†	183 ± 2†	188 ± 3†
Power output (Watts)
HYD	252 ± 18	239 ± 17	229 ± 16	224 ± 16	228 ± 15	229 ± 22	266 ± 19
DEH	220 ± 16‡	208 ± 14‡	203 ± 16‡	204 ± 16‡	217 ± 15‡	231 ± 20‡	250 ± 19‡

Data are mean ± SD (n = 9).

^*Significantly slower than HYD (P < 0.05).

^†Significantly greater than 15% of work completed (P < 0.05).

^‡Significantly less than HYD (P < 0.05).