Complex sentence: The ICF rules for these boats define, among others, the maximum length, the minimum weight and the shape of the boats-for instance, a K1 must be 520 cm long and weighs at least 8 kg for marathons or 12 kg for sprints.
Split into simpler sentences: The ICF rules for these boats define, among others, the maximum length, the minimum weight and the shape of the boats. For example, by ICF rules, a K1 is at most 520 cm long, and weighs at least 8 kg for marathons or 12 kg for sprints.