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Table 3 Estimated daily macronutrient requirements for ultra-marathon runners, based on sex, typical extremes of body mass/fat, and session duration/pace

From: International Society of Sports Nutrition Position Stand: nutritional considerations for single-stage ultra-marathon training and racing

 

FEMALE

MALE

50 kg

70 kg

65 kg

85 kg

(15% BF)

(24% BF)

(10% BF)

(20% BF)

 

1 h

3 h

1 h

3 h

1 h

3 h

1 h

3 h

Carbohydrate (g·d− 1)

301

409

366

518

383

524

444

628

Carbohydrate (g·kg− 1·d− 1)

6.0

8.2

5.2

7.4

5.9

8.1

5.2

7.4

Protein (g·d− 1)

75

102

92

130

96

131

111

157

Protein (g·kg− 1·d− 1)

1.5

2.0

1.3

1.9

1.5

2.0

1.3

1.8

Fat (g·d− 1)

56

76

68

96

71

97

82

116

Fat (g·kg− 1·d− 1)

1.1

1.5

1.1

1.4

1.1

1.5

1.0

1.4

Energy Intake (Kcal·d−1)

2004

2726

2443

3455

2553

3492

2959

4187

Energy Intake (Kcal·kg−1·d−1)

40.1

54.5

34.9

49.4

39.3

53.7

34.8

49.3

  1. e.g., a female runner with body mass 50 kg and 15% body fat, training for 1 h per day will need an estimated 301 g carbohydrate, 75 g protein, and 56 g fat. Overall values are based on 11.5 min·mile− 1 (8.4 km·h− 1) pace. BF body fat