ArticlePhysiological reports2026
Interstitial glucose during sanctioned competition and during high-intensity training in highly trained collegiate male endurance athletes: A real-world continuous glucose monitoring study.
Article in Physiological reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Real-world evidence on glucose behavior during competition in highly trained athletes is scarce. We characterized interstitial glucose dynamics in collegiate endurance athletes during sanctioned competitions using continuous glucose monitoring (CGM), with within-subject comparisons to high-intensity training performed at the same prescribed race pace. Twenty male runners and race walkers (Tier 3: Highly Trained/National) wore CGM during 36 races, contributing 20 paired race-versus-training comparisons. Glucose rose from baseline to 8.3 ± 1.5 mM 1 h pre-race, peaked at 11.2 ± 2.2 mM during competition (mean difference + 3.12 mM, 95% CI +2.72 to +3.53; Cohen's dz. = 1.45), and declined to 6.7 ± 1.7 mM post-race (F(2,220) = 225.79, p < 0.001, partial η
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