P. Jokl, P. Sethi, and A. Cooper, Master's performance in the New York City Marathon 1983-1999, British Journal of Sports Medicine, vol.38, issue.4, pp.408-412, 2004.
DOI : 10.1136/bjsm.2002.003566

D. Leyk, O. Erley, D. Ridder, M. Leurs, T. Rüther et al., Age-related Changes in Marathon and Half-Marathon Performances, International Journal of Sports Medicine, vol.28, issue.6, pp.513-517, 2007.
DOI : 10.1055/s-2006-924658

D. Leyk, O. Erley, W. Gorges, D. Ridder, T. Rüther et al., Performance, Training and Lifestyle Parameters of Marathon Runners Aged 20???80 Years: Results of the PACE-study, International Journal of Sports Medicine, vol.30, issue.05, pp.360-365, 2009.
DOI : 10.1055/s-0028-1105935

H. Tanaka and D. Seals, Invited Review: Dynamic exercise performance in Masters athletes: insight into the effects of primary human aging on physiological functional capacity, Journal of Applied Physiology, vol.95, issue.5, pp.2152-2162, 2003.
DOI : 10.1152/japplphysiol.00320.2003

H. Tanaka and D. Seals, Endurance exercise performance in Masters athletes: age-associated changes and underlying physiological mechanisms, The Journal of Physiology, vol.75, issue.1, pp.55-63, 2008.
DOI : 10.1113/jphysiol.2007.141879
URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2375571

V. Wright and B. Perricelli, Age-Related Rates of Decline in Performance among Elite Senior Athletes, The American Journal of Sports Medicine, vol.50, issue.5, pp.443-450, 2008.
DOI : 10.1038/253264a0

M. Hoffman, J. Ong, and G. Wang, Historical Analysis of Participation in 161??km Ultramarathons in North America, The International Journal of the History of Sport, vol.2, issue.3, pp.1877-1891, 2010.
DOI : 10.1080/09523367.2010.494385

M. Hoffman, Performance Trends in 161-km Ultramarathons, International Journal of Sports Medicine, vol.31, issue.01, pp.31-37, 2010.
DOI : 10.1055/s-0029-1239561

M. Hoffman and J. Wegelin, The Western States 100-Mile Endurance Run, Medicine & Science in Sports & Exercise, vol.41, issue.12, pp.2191-2198, 2009.
DOI : 10.1249/MSS.0b013e3181a8d553

B. Knechtle, C. Rüst, T. Rosemann, and R. Lepers, Age-related changes in 100-km ultra-marathon running performance, AGE, vol.31, issue.4, pp.1033-1045, 2012.
DOI : 10.1007/s11357-011-9290-9

A. Baker, Y. Tang, and M. Turner, Percentage Decline in Masters Superathlete Track and Field Performance With Aging, Experimental Aging Research, vol.29, issue.1, pp.47-65, 2003.
DOI : 10.1080/03610730303706

C. Rüst, B. Knechtle, P. Knechtle, S. Pfeifer, T. Rosemann et al., Gender difference and age-related changes in performance at the long distance duathlon World Championsips, J Strength Cond Res

A. Donato, K. Tench, D. Glueck, D. Seals, I. Eskurza et al., Declines in physiological functional capacity with age: a longitudinal study in peak swimming performance, Journal of Applied Physiology, vol.94, issue.2, pp.764-769, 2003.
DOI : 10.1152/japplphysiol.00438.2002

J. Fleg and E. Lakatta, Role of muscle loss in the age-associated reduction in VO 2 max, J Appl Physiol, vol.65, pp.1147-1151, 1988.

T. Fuchi, K. Iwaoka, M. Higuchi, and S. Kobayashi, Cardiovascular changes associated with decreased aerobic capacity and aging in long-distance runners, European Journal of Applied Physiology and Occupational Physiology, vol.43, issue.8, pp.884-889, 1989.
DOI : 10.1007/BF02332223

S. Hunter, A. Stevens, K. Magennis, K. Skelton, and M. Fauth, Is There a Sex Difference in the Age of Elite Marathon Runners?, Medicine & Science in Sports & Exercise, vol.43, issue.4, pp.656-664, 2011.
DOI : 10.1249/MSS.0b013e3181fb4e00

B. Young and J. Starkes, Career-Span Analyses of Track Performance: Longitudinal Data Present a More Optimistic View of Age-Related Performance Decline, Experimental Aging Research, vol.56, issue.1, pp.69-90, 2005.
DOI : 10.1080/03610738008258376

M. Stiefel, B. Knechtle, and R. Lepers, Master triathletes have not reached limits in their Ironman triathlon performance, Scandinavian Journal of Medicine & Science in Sports, vol.36, issue.140, 2012.
DOI : 10.1111/j.1600-0838.2012.01473.x
URL : https://hal.archives-ouvertes.fr/hal-01159601

R. Lepers, C. Rüst, P. Stapley, and B. Knechtle, Relative improvements in endurance performance with age: evidence from 25??years of Hawaii Ironman racing, AGE, vol.43, issue.3
DOI : 10.1007/s11357-012-9392-z
URL : https://hal.archives-ouvertes.fr/inserm-00676663

T. Bernard, F. Sultana, R. Lepers, C. Hausswirth, and J. Brisswalter, Age-Related Decline in Olympic Triathlon Performance: Effect of Locomotion Mode, Experimental Aging Research, vol.84, issue.1, pp.64-78, 2010.
DOI : 10.1177/0363546507309673

R. Lepers and P. Stapley, Age-related changes in conventional road versus off-road triathlon performance, European Journal of Applied Physiology, vol.11, issue.4, pp.1687-1694, 2011.
DOI : 10.1007/s00421-010-1805-z
URL : https://hal.archives-ouvertes.fr/hal-00708636

R. Lepers, F. Sultana, T. Bernard, C. Hausswirth, and J. Brisswalter, Age-Related Changes in Triathlon Performances, International Journal of Sports Medicine, vol.31, issue.04, pp.251-256, 2010.
DOI : 10.1055/s-0029-1243647
URL : https://hal.archives-ouvertes.fr/inserm-00752141

F. Sultana, J. Brisswalter, R. Lepers, C. Hausswirth, and T. Bernard, Effet de l?????ge et du sexe sur l?????volution des performances en triathlon olympique, Science & Sports, vol.23, issue.3-4, pp.130-135, 2008.
DOI : 10.1016/j.scispo.2008.01.003
URL : http://www.sportdocs.insep.fr/flora_insep/jsp/index_view_direct_anonymous.jsp?record=aoinsep:DC_ARCHI:467

R. Lepers, Analysis of Hawaii Ironman Performances in Elite Triathletes from 1981 to 2007, Medicine & Science in Sports & Exercise, vol.40, issue.10, pp.1828-1834, 1981.
DOI : 10.1249/MSS.0b013e31817e91a4
URL : https://hal.archives-ouvertes.fr/inserm-00325831

R. Lepers and N. Maffiuletti, Age and Gender Interactions in Ultraendurance Performance, Medicine & Science in Sports & Exercise, vol.43, issue.1, pp.134-139, 2011.
DOI : 10.1249/MSS.0b013e3181e57997
URL : https://hal.archives-ouvertes.fr/hal-00702352

B. Knechtle, B. Duff, G. Amtmann, and G. Kohler, An Ultratriathlon Leads to a Decrease of Body Fat and Skeletal Muscle Mass???The Triple Iron Triathlon Austria 2006, Research in Sports Medicine, vol.16, issue.2, pp.97-110, 2006.
DOI : 10.1080/15438620701878881

B. Knechtle and G. Kohler, Running performance, not anthropometric factors, is associated with race success in a Triple Iron Triathlon, British Journal of Sports Medicine, vol.43, issue.6, pp.437-441, 2009.
DOI : 10.1136/bjsm.2007.039602

L. Herbst, B. Knechtle, C. Lopez, J. Andonie, S. Fraire et al., Pacing Strategy and Change in Body Composition during a Deca Iron Triathlon, The Chinese Journal of Physiology, vol.54, issue.4, pp.255-263, 2011.
DOI : 10.4077/CJP.2011.AMM115

B. Knechtle, P. Knechtle, J. Andonie, and G. Kohler, Influence of anthropometry on race performance in extreme endurance triathletes: World Challenge Deca Iron Triathlon 2006, British Journal of Sports Medicine, vol.41, issue.10, pp.644-648, 2006.
DOI : 10.1136/bjsm.2006.035014

P. Laursen, W. Knez, C. Shing, R. Langill, E. Rhodes et al., Relationship between laboratory-measured variables and heart rate during an ultra-endurance triathlon, Journal of Sports Sciences, vol.129, issue.10, pp.1111-1120, 2005.
DOI : 10.1080/02640419508732256

O. Toole, M. Douglas, P. Hiller, and W. , Applied physiology of a triathlon, Sports Med, vol.8, pp.201-225, 1989.

O. Toole, M. Douglas, P. Hiller, and W. , Lactate, Oxygen Uptake, and Cycling Performance in Triathletes, International Journal of Sports Medicine, vol.10, issue.06, pp.413-438, 1989.
DOI : 10.1055/s-2007-1024935

G. Whyte, S. Lumley, K. George, P. Gates, S. Sharma et al., Physiological profile and predictors of cycling performance in ultra-endurance triathletes, J Sports Med Phys Fitness, vol.40, pp.103-109, 2000.

B. Knechtle, P. Knechtle, and T. Rosemann, Similarity of Anthropometric Measures for Male Ultra-Triathletes and Ultra-Runners, Perceptual and Motor Skills, vol.41, issue.3, pp.805-818, 2010.
DOI : 10.2466/05.25.PMS.111.6.805-818

B. Knechtle, P. Knechtle, and T. Rosemann, Upper Body Skinfold Thickness is Related to Race Performance in Male Ironman Triathletes, International Journal of Sports Medicine, vol.32, issue.01, pp.20-27, 2010.
DOI : 10.1055/s-0030-1268435

B. Knechtle, A. Wirth, and T. Rosemann, Predictors of race time in male Ironman triathletes: physical characteristics, training or pre race experience? Percept Mot Skills, pp.437-446, 2010.

B. Knechtle, A. Wirth, B. Baumann, P. Knechtle, and T. Rosemann, Personal Best Time, Percent Body Fat, and Training Are Differently Associated With Race Time for Male and Female Ironman Triathletes, Research Quarterly for Exercise and Sport, vol.22, issue.1, pp.62-68, 2010.
DOI : 10.1080/02701367.2010.10599628

J. Gulbin and P. Gaffney, Ultraendurance triathlon participation: typical race preparation of lower level triathletes, J Sports Med Phys Fitness, vol.9, pp.12-15, 1999.

B. Knechtle, P. Knechtle, T. Rosemann, and O. Senn, Personal Best Time, not Anthropometry or Training Volume, is Associated With Total Race Time in a Triple Iron Triathlon, Journal of Strength and Conditioning Research, vol.25, issue.4, pp.1142-1150, 2011.
DOI : 10.1519/JSC.0b013e3181d09f0f

B. Knechtle, P. Knechtle, and R. Lepers, Participation and performance trends in ultra-triathlons from 1985 to 2009, Scandinavian Journal of Medicine & Science in Sports, vol.30, issue.6, pp.82-90, 1985.
DOI : 10.1111/j.1600-0838.2010.01160.x
URL : https://hal.archives-ouvertes.fr/hal-00697141

R. Lepers, P. Knechtle, B. Knechtle, and T. Rosemann, Analysis of ultra-triathlon performances, Open Access Journal of Sports Medicine, vol.2, pp.131-136, 2011.
DOI : 10.2147/OAJSM.S22956

K. Bijker, G. De-groot, and A. Hollander, Differences in leg muscle activity during running and cycling in humans, Eur J Appl Physiol, vol.7, pp.556-561, 2002.

T. Heiden and A. Burnett, Triathlon, Sports Biomechanics, vol.3, issue.1, pp.35-49, 2003.
DOI : 10.1055/s-2007-971944

S. Robinson, D. Dill, R. Robinson, S. Tzankoff, and J. Wagner, Physiological aging of champion runners, J Appl Physiol, vol.41, pp.46-51, 1976.

A. Coggan, R. Spina, M. Rogers, D. King, M. Brown et al., Histochemical and enzymatic characteristics of skeletal muscle in master athletes, pp.1896-190, 1990.

G. Pyka, E. Lindenberger, S. Charette, and R. Marcus, Muscle Strength and Fiber Adaptations to a Year-long Resistance Training Program in Elderly Men and Women, Journal of Gerontology, vol.49, issue.1, pp.22-27, 1994.
DOI : 10.1093/geronj/49.1.M22

J. Lexell, C. Taylor, and M. Sjostrom, What is the cause of the ageing atrophy?, Journal of the Neurological Sciences, vol.84, issue.2-3, pp.275-294, 1988.
DOI : 10.1016/0022-510X(88)90132-3

J. Faulkner, C. Davis, C. Mendias, and S. Brooks, The Aging of Elite Male Athletes: Age-Related Changes in Performance and Skeletal Muscle Structure and Function, Clinical Journal of Sport Medicine, vol.18, issue.6, pp.501-507, 2008.
DOI : 10.1097/JSM.0b013e3181845f1c

K. Vijayan, J. Thompson, K. Norenberg, R. Fitts, and D. Riley, Fiber-type susceptibility to eccentric contraction-induced damage of hindlimb unloaded rat AL muscles, J Appl Physiol, vol.90, pp.770-776, 2001.

B. Knechtle, B. Baumann, A. Wirth, P. Knechtle, and T. Rosemann, Male ironman triathletes lose skeletal muscle mass, Asia Pac J Clin Nutr, vol.19, pp.91-97, 2010.

B. Knechtle, B. Duff, I. Schulze, and G. Kohler, A multi-stage ultra-endurance run over 1,200 km leads to a continuous accumulation of total body water, J Sports Sci Med, vol.7, pp.357-364, 2008.

B. Knechtle, P. Knechtle, T. Rosemann, and O. Senn, No Dehydration in Mountain Bike Ultra-Marathoners, Clinical Journal of Sport Medicine, vol.19, issue.5, pp.415-420, 2009.
DOI : 10.1097/JSM.0b013e3181b47c93

B. Knechtle and G. Kohler, Running 338 km within 5 days has no effect on body mass and body fat but reduces skeletal muscle mass ? the Isarrun, J Sports Sci Med, vol.6, pp.401-407, 2006.

B. Knechtle, A. Wirth, P. Knechtle, and T. Rosemann, Increase of Total Body Water With Decrease of Body Mass While Running 100 km Nonstop???Formation of Edema?, Research Quarterly for Exercise and Sport, vol.10, issue.3, pp.593-603, 2009.
DOI : 10.1080/02701367.2009.10599598

B. Knechtle, P. Knechtle, T. Rosemann, and S. Oliver, A Triple Iron Triathlon Leads to a Decrease in Total Body Mass But Not to Dehydration, Research Quarterly for Exercise and Sport, vol.52, issue.3, pp.319-327, 2010.
DOI : 10.1080/02701367.2010.10599680

B. Knechtle, A. Wirth, P. Knechtle, T. Rosemann, and O. Senn, Do ultra-runners in a 24-h run really dehydrate?, Irish Journal of Medical Science, vol.80, issue.1, pp.129-134, 2011.
DOI : 10.1007/s11845-010-0500-8

B. Knechtle, A. Wirth, P. Knechtle, and T. Rosemann, An Ultra-cycling Race Leads to no Decrease in Skeletal Muscle Mass, International Journal of Sports Medicine, vol.30, issue.03, pp.163-167, 2009.
DOI : 10.1055/s-0028-1104585

H. Kim, Y. Lee, and C. Kim, Changes in serum cartilage oligomeric matrix protein (COMP), plasma CPK and plasma hs-CRP in relation to running distance in a marathon (42.195??km) and an ultra-marathon (200??km) race, European Journal of Applied Physiology, vol.154, issue.5, pp.765-770, 2009.
DOI : 10.1007/s00421-008-0961-x

T. Vihma, Effects of weather on the performance of marathon runners, International Journal of Biometeorology, vol.36, issue.3, pp.297-306, 2010.
DOI : 10.1007/s00484-009-0280-x

J. Wegelin and M. Hoffman, Variables associated with odds of finishing and finish time in a 161-km ultramarathon, European Journal of Applied Physiology, vol.36, issue.9, pp.145-153, 2011.
DOI : 10.1007/s00421-010-1633-1

. Knechtle, Age-related changes in ultra-triathlon performances, Extreme Physiology & Medicine, vol.1, issue.1, p.5, 2012.
DOI : 10.1007/s00421-010-1633-1
URL : https://hal.archives-ouvertes.fr/inserm-00752141