Table 1.

Comparison of α-diversity indices of intestinal microbiota (OTU level) before (Pre) and after (Post) the race.

	Pre		Post		p
	Mean	SD	Mean	SD
ACE	483.8	157.2	445.6	141.5	0.269
Chao1	504.7	148.6	446.6	143.9	0.118
Fisher	59.0	21.1	57.4	16.1	0.681
Observed	299.6	83.5	294.4	63.7	0.734
Shannon	3.695	0.247	3.789	0.316	0.174
Simpson	0.938	0.035	0.938	0.052	0.986