Water and sodium intake habits and status of ultra-endurance runners during a multi-stage ultra-marathon conducted in a hot ambient environment: an observational field based study

Table 3 Total pre-stage and immediately post-stage total water ingestion of UER along MSUM competition

	Stage 1	Stage 2	Stage 3	Stage 4	Overall mean
Pre-stage (ml)
UER	1052 (640)	831 (511)	767 (436)^†	767 (398)^†	854 (385)
SR	1112 (967)	782 (521)^†	784 (432)^†	803 (401)	870 (387)
FR	967 (530)	902 (500)	742 (452)	715 (398)	831 (390)
Pre-stage (ml/kgBM)
UER	15.2 (9.1)	12.2 (7.3)	11.4 (7.3)^†	11.3 (5.8)^†	12.5 (5.3)
SR	16.2 (9.8)	11.5 (6.7)^†	11.7 (5.7)^†	12.0 (5.4)	12.8 (5.0)
FR	13.7 (7.8)	13.1 (8.1)	11.1 (7.6)	10.3 (6.4)	12.0 (6.3)
Post-stage (ml)
UER	1396 (716)	1171 (667)	1179 (621)	1116 (607)	1214 (504)
SR	1201 (696)	1053 (536)	1014 (464)	1004 (594)	1068 (385)
FR	1604 (667)^c	1342 (804)	1418 (744)^c	1280 (602)	1426 (587)^cc
Post-stage (ml/kgBM)
UER	20.8 (11.2)	17.7 (10.3)	17.7 (9.4)	16.9 (9.9)	18.3 (7.9)
SR	18.7 (11.8)	16.4 (8.9)	15.8 (8.1)	15.8 (10.4)	16.6 (7.1)
FR	24.0 (9.6)	19.6 (12.0)	20.5 (10.7)	18.6 (9.0)	20.7 (8.6)

Mean (SD): UER (n = 54); slow runners (SR; MSUM mean speed <8 km/h, n = 32); fast runners (FR; MSUM mean speed ≥8 km/h, n = 22). † p < 0.05 vs. Stage 1; ^cc p < 0.01 and ^c p < 0.05 vs. SR.

ISSN: 1475-2891