near significancep = 0.104
Cognitive assessment The shortened COWAT test for verbal fluency displayed an increase in the overall score throughout the race ( p = 0.011, χ 2 = 11.132 for combined samples, Figure 2 ), with trends near significance between T0 and T1 ( z = -1.627, p = 0.104) and between T1 and T2 ( z = −1.663, p = 0.096) and significance reached when comparing scores at T0 and T3 ( z = −2.742, p = 0.006).