Durban — Kloof and Highway SPCA operations manager Sarah van Heerden knows the need for funds to fight against animal cruelty and was willing to put her body up for an epic challenge to help them.“To the dog chained up his entire life, to the mother having her fifth litter, to the dog whose owner cropped his ears with a razor blade – what would you do to help?” she wrote before her challenge.Her pledge was “to cycle 1 600km, with 24 000m of climbing, unsupported, non-stop from Wellington in the Western Cape over 53 passes and back to Wellington to raise money that will go towards…