Predictor variables for half marathon race time in recreational female runners

Beat Knechtle, Patrizia Knechtle, Ursula Barandun, Thomas Rosemann, Romuald Lepers, Beat Knechtle, Patrizia Knechtle, Ursula Barandun, Thomas Rosemann, Romuald Lepers

Abstract

Introduction: The relationship between skin-fold thickness and running performance has been investigated from 100 m to the marathon distance, except the half marathon distance.

Objective: To investigate whether anthropometry characteristics or training practices were related to race time in 42 recreational female half marathoners to determine the predictor variables of half-marathon race time and to inform future novice female half marathoners.

Methods: Observational field study at the 'Half Marathon Basel' in Switzerland.

Results: In the bivariate analysis, body mass (r = 0.60), body mass index (r = 0.48), body fat (r = 0.56), skin-fold at pectoral (r = 0.61), mid-axilla (r = 0.69), triceps (r = 0.49), subscapular (r = 0.61), abdominal (r = 0.59), suprailiac (r = 0.55) medial calf (r = 0.53) site, and speed of the training sessions (r = -0.68) correlated to race time. Mid-axilla skin-fold (p = 0.04) and speed of the training sessions (p = 0.0001) remained significant after multi-variate analysis. Race time in a half marathon might be predicted by the following equation (r² = 0.71): Race time (min) = 166.7 + 1.7x (mid-axilla skin-fold, mm) - 6.4x (speed in training, km/h). Running speed during training was related to skinfold thickness at mid-axilla (r = -0.31), subscapular (r = -0.38), abdominal (r = -0.44), suprailiacal (r = -0.41), the sum of eight skin-folds (r = -0.36) and percent body fat (r = -0.31).

Conclusion: Anthropometric and training variables were related to half-marathon race time in recreational female runners. Skin-fold thicknesses at various upper body locations were related to training intensity. High running speed in training appears to be important for fast half-marathon race times and may reduce upper body skin-fold thicknesses in recreational female half marathoners.

References

    1. Nettleton S, Hardey M. Running away with health: the urban marathon and the construction of ‘charitable bodies’. Health (London) 2006;10:441–60.
    1. Marti B, Abelin T, Minder CE. Relationship of training and life-style to 16-km running time of 4000 joggers. The ’84 Berne “Grand-Prix” Study. Int J Sports Med. 1988;9:85–91.
    1. Anderson T. Biomechanics and running economy. Sports Med. 1996;22:76–89.
    1. Morgan DW, Martin PE, Krahenbuhl GS. Factors affecting running economy. Sports Med. 1989;7:310–30.
    1. Saunders PU, Pyne DB, Telford RD, Hawley JA. Factors affecting running economy in trained distance runners. Sports Med. 2004;34:465–85.
    1. Bale P, Bradbury D, Colley E. Anthropometric and training variables related to 10km running performance. Br J Sports Med. 1986;20:170–3.
    1. Knechtle B, Duff B, Welzel U, Kohler G. Body mass and circumference of upper arm are associated with race performance in ultra-endurance runners in a multi-stage race – the Isarrun 2006. Res Q Exerc Sport. 2009;80:262–8.
    1. Loftin M, Sothern M, Koss C, Tuuri G, Vanvrancken C, Kontos A, et al. Energy expenditure and influence of physiologic factors during marathon running. J Strength Cond Res. 2007;21:1188–91.
    1. Maldonado S, Mujika I, Padilla S. Influence of body mass and height on the energy cost of running in highly trained middle- and long-distance runners. Int J Sports Med. 2002;23:268–72.
    1. Hagan RD, Upton SJ, Duncan JJ, Gettman LR. Marathon performance in relation to maximal aerobic power and training indices in female distance runners. Br J Sports Med. 1987;21:3–7.
    1. Hoffman MD. Anthropometric characteristics of ultramarathoners. Int J Sports Med. 2008;29:808–11.
    1. Lucia A, Esteve-Lanao J, Oliván J, Gómez-Gallego F, San Juan AF, Santiago C, et al. Physiological characteristics of the best Eritrean runners-exceptional running economy. Appl Physiol Nutr Metab. 2006;31:530–40.
    1. Arrese AL, Ostáriz ES. Skinfold thicknesses associated with distance running performance in highly trained runners. J Sports Sci. 2006;24:69–76.
    1. Legaz A, Eston R. Changes in performance, skinfold thicknesses, and fat patterning after three years of intense athletic conditioning in high level runners. Br J Sports Med. 2005;39:851–6.
    1. Legaz Arrese A, Gonzalez Badillo JJ, Serrano Ostariz E. Differences in skinfold thicknesses and fat distribution among top-class runners. J Sports Med Phys Fitness. 2005;45:512–7.
    1. Knechtle B, Rosemann T. Skin-fold thickness and race performance in male mountain ultra-marathoners. J Hum Sports Exerc. 2009;4:211–20.
    1. Larsen HB, Christensen DL, Nolan T, Søndergaard H. Body dimensions, exercise capacity and physical activity level of adolescent Nandi boys in western Kenya. Ann Hum Biol. 2004;31:59–73.
    1. Tanaka K, Mimura K, Kim HS, Kawabata T, Tajima M, Nakadomo F, et al. Prerequisites in distance running performance of female runners. Ann Physiol Anthropol. 1989;8:79–87.
    1. Knechtle B, Knechtle P, Schulze I, Kohler G. Upper arm circumference is associated with race performance in ultra-endurance runners. Br J Sports Med. 2008;42:295–9.
    1. Hagan RD, Smith MG, Gettman LR. Marathon performance in relation to maximal aerobic power and training indices. Med Sci Sports Exerc. 1981;13:185–9.
    1. Yeung SS, Yeung EW, Wong TW. Marathon finishers and non-finishers characteristics. A preamble to success. J Sports Med Phys Fitness. 2001;41:170–6.
    1. Scrimgeour AG, Noakes TD, Adams B, Myburgh K. The influence of weekly training distance on fractional utilization of maximum aerobic capacity in marathon and ultra marathon runners. Eur J Appl Physiol. 1985;55:202–9.
    1. Bale P, Rowell S, Colley E. Anthropometric and training characteristics of female marathon runners as determinants of distance running performance. J Sports Sci. 1985;3:115–26.
    1. Hewson DJ, Hopkins WG. Specificity of training and its relation to the performance of distance runners. Int J Sports Med. 1996;17:199–204.
    1. Christensen CL, Ruhling RO. Physical characteristics of novice and experienced women marathon runners. Br J Sports Med. 1983;17:166–71.
    1. Billat VL, Demarle A, Slawinski J, Paiva M, Koralsztein JP. Physical and training characteristics of top-class marathon runners. Med Sci Sports Exerc. 2001;33:2089–97.
    1. Scott BK, Houmard JA. Peak running velocity is highly related to distance running performance. Int J Sports Med. 1994;15:504–7.
    1. Knechtle B, Joleska I, Wirth A, Knechtle P, Rosemann T, Senn O. Intra- and inter-judge reliabilities in measuring the skin-fold thicknesses of ultra runners under field conditions. Percept Mot Skills. 2010;111:105–6.
    1. Becque MD, Katch VL, Moffatt RJ. Time course of skin-plus-fat compression in males and females. Hum Biol. 1986;58:33–42.
    1. Ball SD, Swan P, Desimone R. Accuracy of anthropometry compared to dual energy x-ray absorptiometry. A new generalizable equation for women. Res Q Exerc Sport. 2004;75:248–58.
    1. Deutz RC, Benardot D, Martin DE, Cody MM. Relationship between energy deficits and body composition in elite female gymnasts and runners. Med Sci Sports Exerc. 2000;32:659–68.
    1. Glace BW, Murphy CA, McHugh MP. Food intake and electrolyte status of ultramarathoners competing in extreme heat. J Am Coll Nutr. 2002;21:553–9.

Source: PubMed

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