Table 1. Intra- and inter-operator reliability (in seconds) in the notational analysis of key events within the running cycle of competitive athletes. Event Intra-operator (SD) Inter-operator (95% limits of agreement) 1. Touchdown 0.002 0.000 ± 0.000 2. Knees aligned 0.000 -0.002 ± 0.006 3. Hip above support foot 0.002 -0.006 ± 0.007 4. Recovery ankle aligned to support knee 0.000 0.000 ± 0.006 5. Shank horizontal 0.000 -0.001 ± 0.012 6. Maximum extension driving leg 0.007 0.003 ± 0.021