The 2019 San Diego 100 race book is now available for download. It contains 45 pages of all the info you'll need to know on race day.
If an entrant withdraws from the event and notifies the race director prior to March 1, they will receive a 50% refund. If an entrant withdraws after March 1 and before April 1, they are entitled to a receive a $100 refund. No refunds after April 1. No rollovers or transfer of entries once an applicant is a confirmed entrant.