Online entries opened at 10am for the 21km race, to be held in Cape Town in April 2015, and closed shortly after noon.
Organisers confirmed runners hoping to participate in the half-marathon could still enter through a charity from November 25, while substitution entries would open on January 23.
Entries for the 56km ultra-marathon remained open, while entries for the 10km & 22km trail runs were set to open on December 4.
“By the time we had to close (half-marathon) entries, there were still roughly 6 000 people in the (online) queue,” said Carol Vosloo, general manager of the Two Oceans Marathon NPC.
“While it is exciting for us to have such a great demand for entries for the world’s most beautiful half-marathon, it is still sad to have to leave behind those who weren’t able to secure their entry before everything was snapped up.”
Vosloo admitted some runners had experienced payment issues with the new online system, but the race organisers were generally satisfied with the progress.
“Due to a delay in confirmation from certain banks to their card holders, some runners were unable to finalise their entries,” she said.