The Brumbies flanker is determined to press his claims for an Australian rugby sevens call-up at the Olympics which have been postponed until next year due to the COVID-19 pandemic.

Cusack is holding onto his Tokyo dream as he waits for clarity in the 15-a-side code with plans to launch a domestic Super Rugby competition have been suspended until at least May 1.

The 27-year-old first made a name for himself in sevens and was named in the Rio Olympic all-star side before switching to Super Rugby.

Cusack is in the second year of a deal which allowed him to pursue a sevens stint at the end of the Brumbies' campaign and he could look to replicate it next season.

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Because he can still see the light at the end of the tunnel to Tokyo in search of gold.

"It's an interesting time for everyone. It's fortunate that it has been postponed and not cancelled as there has been a lot of talks about recently," Cusack said.

"It still gives you that light at the end of the tunnel in terms of there being a lot of individuals who have prepared for four years to be able to put their stamp on the 2020 Olympics.

"They'll get their opportunity to do that come 2021."

The Brumbies have cleared out the gym at their University of Canberra headquarters to continue training on their own or in small groups as they await direction on the competition's future.

So Cusack found himself linking up with captain Allan Alaalatoa, Lachlan McCaffrey, James Slipper, and Tevita Kuridrani to stay in shape in an uncertain time.

Brumbies staff have been sent to work from home while players will not return to the club's base as officials look to slow the spread of coronavirus.

Cusack says he and his teammates are doing everything they can to stick to social distancing guidelines while training in the hope of building on their strong start to the season.

"It's easy to do when you're in a group of five instead of a group of 35. We're sticking to what needs to be done as prescribed by the government and as prescribed by the Brumbies," Cusack said.

"It's been good, it's been interesting. We've been through with a group of five. We've just been down around the Kingston area doing a few drills, trying to keep fit and healthy.

"We're trying to keep it as consistent as possible, just with our usual routine. A bit of gym for about 45 to an hour, come down and do a bit of a run, speed sessions, skill sessions. It's just trying to keep it as normalised as possible.

"It's hard now, we can't really get out and socialise and do our community service activities like we'd like to.

"All we can do as a group is stay tight as a family and support everyone wherever need be."