context: She started throwing at the age of 12 and at 13 threw 37m58cm to win the English Schools Championships.
source: At the age of 16 Holroyd threw 52m50 and became a senior international athlete.
reference_original: Im Alter von 16 Jahren warf Holroyd 52m50 und wurde internationale Spitzensportlerin.
reference_flipped: Im Alter von 16 Jahren warf Holroyd 52m50 und wurde internationaler Spitzensportler.