# Create a list of lists
times = [["Jhon"], [23, 15, 18], ["Karen"], [17, 19, 15],
        ["Tom"], [21, 19, 25]]

# Print
print(f"The first runner is:{times[0]}.nHis first registered time is:{times[1][0]}nThe min registered time is:{min(times[1])}")

>>>

The first runner is:['Jhon'].
His first registered time is:23
The min registered time is:15