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视频

Physiological and training characteristics of recreational marathon runners

 

Authors Gordon D, Wightman S, Basevitch I, Johnstone J, Espejo-Sanchez C, Beckford C, Boal M, Scruton A, Ferrandino M, Merzbach V

Received 12 May 2017

Accepted for publication 2 August 2017

Published 24 November 2017 Volume 2017:8 Pages 231—241

DOI https://doi.org/10.2147/OAJSM.S141657

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Andreas Imhoff

Purpose: The aim of this study was to examine the physical and training characteristics of recreational marathon runners within finish time bandings (2.5–3 h, 3–3.5 h, 3.5–4 h, 4–4.5 h and >4.5 h).
Materials and methods: A total of 97 recreational marathon runners (age 42.4 ± 9.9 years; mass 69.2 ± 11.3 kg; stature 172.8 ± 9.1 cm), with a marathon finish time of 229.1 ± 48.7 min, of whom n = 34 were female and n = 63 were male, completed an incremental treadmill test for the determination of lactate threshold (LT1), lactate turn point (LT2) and running economy (RE). Following a 7-min recovery, they completed a test to volitional exhaustion starting at LT2 for the assessment of VO
2max. In addition, all participants completed a questionnaire gathering information on their current training regimes exploring weekly distances, training frequencies, types of sessions, longest run in a week, with estimations of training speed, and load and volume derived from these data.
Results: Training frequency was shown to be significantly greater for the 2.5–3 h group compared to the 3.5–4 h runners (P < 0.001) and >4.5 h group (P = 0.004), while distance per session (km
session–1) was significantly greater for the 2.5–3 h group (16.1 ± 4.2) compared to the 3.5–4 h group (15.5 ± 5.2; P = 0.01) and >4.5 h group (10.3 ± 2.6; = 0.001). Race speed correlated with LT1 (r = 0.791), LT2 (= 0.721) and distance per session (r = 0.563).
Conclusion: The data highlight profound differences for key components of marathon running (VO
2max, LT1, LT2, RE and % VO2max) within a group of recreational runners with the discriminating training variables being training frequency and the absolute training speed.
Keywords: endurance running, nonelite, workout structures, maximal oxygen uptake, running economy, aerobic capacity



摘要视频链接Recreational marathon training and physiology