Completar a seguinte frase:
2011 UCI Track Cycling World Championships was held on March 26. 19 athletes participated in the contest.<unk> 19 athletes participated in the contest. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️