Table 2.

Shows observations at the medical tents for both runners

	Rectal temperature °C	RR	HR	Conscious level	Comments
Twin A—collapsed at 19 miles (30.5 km)
On arrival	41.1	30	120	Confused, responsive to verbal command	Cool peripheries and pale
Cooling measures started
15 min	40.2	24	122	Confused	Developed muscle cramps
30 min	38.2	28	104	Alert	Cramps resolved
45 min	36.2	24	103	Alert and orientated
1 h		14	88	Alert and orientated	Discharged from medical tent
Twin B—collapsed at 21 miles (33.7 km)
On arrival	40.7	28	105	Confused, responsive to verbal command
Cooling measures started
15 min	39.4	24	102	Confused, responsive to verbal command	Developed muscle cramps in both legs
30 min	38.2	19	87	Alert	Cramps resolved
45 min	36.9	18	80	Alert and orientated
1 h		Not recorded		Alert and orientated	Discharged from medical tent

HR, heart rate; RR, respiratory rate.