Table 1.

Physical characteristics of the Ethiopian runners

Subject (no)	Age (y)	Height (m)	Start BM (kg)	End BM (kg)	Change BM (%)	Change BM (kg)	BT (M)	BT (F)
1	23	1.72	58.7	58.7	0.0	0.0	2:12:00
2	21	1.78	62.4	61.5	1.4	-0.9	2:12:00
3	22	1.72	59.8	59.9	-0.1	0.1	2:13:15
4(F)	19	1.75	57.3	57.4	-0.2	0.1		2:35:03
5(F)	19	1.61	48.8	48.3	1.0	-0.5		2:30:15
6	23	1.73	57.7	58.5	-1.4	0.8	2:15:15
7	27	1.81	53.5	53.3	0.4	-0.2	2:14:10
8	20	1.76	61.7	61.0	1.1	-0.7	2:12:35
9	23	1.73	53.4	53.6	-0.4	0.2	2:15:45
10	23	1.65	53.3	53.4	-0.2	0.1	2:16:17
Average	22	1.73	56.7	56.6	0.2	-0.1	2:13:56
SD	2	0.06	4.3	4.2	0.8	0.5	0:01:42

* Note: M, male; F, female; BM, body mass; BT, best marathon time.