[Björn]

1:01.03, 58.82, 59.93, 52.81, 59.71, 58.94, 54.84, 55.35, 55.34, 56.52, 53.90, 55.06, 58.34, 1:01.18, 47.14, 57.50, 54.58, 59.54, 59.39, 53.35, 50.47, 58.58, 54.55, 1:00.06, 58.50, 1:05.58, 59.88, 52.86, 51.68, 58.72, 1:01.49, 52.28, 49.34, 50.59, 49.29, 48.35, 55.82, 58.28, 53.48, 54.35, 48.61, 51.61, 59.85

umber of times: 43/43
best time: 47.14
worst time: 1:05.58

current avg5: 53.15 (σ = 1.14)
best avg5: 49.74 (σ = 0.60)

current avg12: 52.37 (σ = 2.98)
best avg12: 52.37 (σ = 2.98)

session avg: 55.73 (σ = 3.80)
session mean: 55.76

beides avgs PB

EDIT: avg of 12 : 52.17