Research Article

Oxidative Stress Assessment in Response to Ultraendurance Exercise: Thiols Redox Status and ROS Production according to Duration of a Competitive Race

Table 3

Mean (SD) of the oxidative stress biomarkers concentrations in plasma and urine of ultramarathon athletes before (pre) and immediately after (post) 50 and 100 km race. Significant differences compared to prerace: ( symbol), ( symbol), and ( symbol).

⁢50 km⁢100 km
PrePostPrePost

Plasma
 ROS (μmol⋅min−1)
 TAC (mM)ns
 PC (nmol⋅mg−1 protein)
 TBARS (μM)

Urine
 8-Iso-PGF2α (ng⋅mg−1 creatinine)
 8-OH-dG  (ng⋅mg−1 creatinine)