Beijing Olympians Emma Snowsill and Erin Densham have compelling reasons for their absence from the opening round of the World Cup triathlon series.
The rest of the Australian Games team Emma Moffatt, Brad Kahlefeldt and Courtney Atkinson will race this Sunday at Mooloolaba on Queensland's Sunshine Coast.
But Snowsill, who won a historic gold medal in Beijing, is not ready to race after she suffered a cracked rib six weeks ago while surfing.
''I thought I would still be able to compete [at Mooloolaba], but the time off swimming I've had in order to recover quickly has paid its price and I am not where I need to be at this point in time to compete,'' Snowsill said.
Snowsill won Australia's first Olympic triathlon title and has not raced since late last year, when she claimed her fifth Noosa title.
Densham is in Jordan, preparing for this Saturday's world cross country championships.
She finished 22nd in Beijing and as part of her post-Games schedule, competed last month at the national cross country selection trials.
Densham finished second and this gave her a spot for the worlds in Amman.
''This is just a bit of fun I gained an automatic spot and it's all about the experience,'' she said from Jordan. ''Something like this might not happen again I've never been to Jordan before and I figured I should make the most of it.
''I love running and I'm just playing it all by ear.''
Densham added that once she returns from the world titles, her training regime would return to being ''all about triathlon''.
Australia will have a strong contingent in the professional ranks at Mooloolaba Moffatt won the bronze medal at the Olympics behind Snowsill.
Kahlefeldt has recovered from a hip injury and has taken out the Oceania championships this summer, while Atkinson has won two national titles in the last few weeks.
Former world No1 Annabel Luxford has also won two Australian championships as she makes her comeback from injury.
Organisers are adamant that Mooloolaba Beach, where the race will start with an ocean swim, is unaffected by this month's Queensland oil spill. AAP