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 2 Total daily water ingestion of UER along MSUM competition

	Stage 1	Stage 2	Stage 3	Stage 4	Overall mean
Total daily water intake (ml/day)
UER	7560 (1540)^bb	7488 (2041)^bb	7075 (1842)^‡‡bb	8313 (2282)^bb	7709 (1499)^bb
CON	2806 (290)	3411 (201)	3277 (601)	3710 (670)	3301 (163)
SR	7575 (1608)	6986 (2221)^c	6729 (2025)^‡	8193 (2581)	7371 (1648)
FR	8520 (1272)	8218 (1510)	7578 (1436)	8487 (1806)	8201 (1110)
Total daily water intake corrected for BM
(ml/kgBM/day)
UER	116 (24)^bb	111 (33)^bb	106 (31)^‡bb	124 (39)^bb	114 (26)^bb
CON	50 (18)	60 (14)	53 (7)	59 (14)	56 (6)
SR	113 (27)	106 (34)^‡‡	103 (35)^‡‡	125 (43)	112 (29)
FR	119 (18)	119 (29)	111 (25)	123 (36)	118 (22)

Mean (SD): UER (n = 54); control (CON, n = 12); slow runners (SR; MSUM mean speed <8 km/h, n = 32); fast runners (FR; MSUM mean speed ≥8 km/h, n = 22). ‡‡ p < 0.01 and ‡ p < 0.05 vs. Stage 4; ^bb p < 0.01 vs. CON; ^c p < 0.05 vs. SR.

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