Table 1.

Finisher data and exertional heat stroke incidence and rate per 1,000 runners by year.

Year	Finishers	EHS cases	EHS rate
2003	8,058	37	4.59
2004	8,171	5	0.61
2005	7,532	19	2.52
2007	8,926	10	1.12
2008	8,743	15	1.72
2009	8,864	13	1.47
2010	9,653	6	0.62
2011	10,930	13	1.19
2012		11
2013		15
2014	11,060	17	1.54
2015	10,691	38	3.55
2016	10,381	16	1.54
2017	10,901	22	2.02
2018	11,063	10	0.90
Mean	9613.31	16.47	1.80
StDev	1289.74	9.66	1.16

EHS rates could not be computed for 2012 and 2013 because no finisher data were available.