Attachment: Amy Dixon, a blind triathlete, left, and Susanne Davis prepare for the Tritonman triathlon in Mission Bay. Dixon is training for the Paralympics in Rio de Janeiro and Davis

Amy Dixon, a blind triathlete, left, and Susanne Davis prepare for the Tritonman triathlon in Mission Bay. Dixon is training for the Paralympics in Rio de Janeiro and Davis, a world Ironman Champion, is her guide and training partner. This was their first competition training together. — K.C. Alfred

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