Now the Helensburgh athlete has two, taking out the superclass and elite women's categories at the National Championships.

Long regarded a future BMX star, Sakakibara won the junior elite title in 2017, however a number of factors had prevented the Tokyo Olympian from attaining a senior Australian title.

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Sakakibara started her weekend with victory in the superclass on Saturday before producing a dominant display to claim the elite women's final on Monday.

The Tokyo Olympian was a step above her rivals throughout the competition, winning her three qualifying heats in comfortable fashion.

The final played out in similar fashion, the 22-year-old hitting the front early and holding off a group of chasing rivals. Desree Barnes was second, with Erin Lockwood third.

Winning an Australian title has long been a goal for Sakakibara and she was thrilled to achieve the honour twice this week.

"Definitely (feeling) relief," Sakakibara said. "It's been an amazing year. It's been so good to get back on home soil, especially doing this National Championships.

"I haven't been able to go for the elite championship before, so it's been good to come back to Australia, especially a place like the Gold Coast."

This week marked Sakakibara's first major competition since a crash at the Tokyo Olympics.

The athlete suffered a heavy concussion in the incident, her recovery taking longer than anticipated.

That saw Sakakibara miss the World Championships and she eventually returned home from Europe in September to receive specialised treatment.

Since then, she has gradually progressed towards full training and Monday's win was a sign the Olympian is on track to return to top form.

Sakakibara's goal throughout the next year is to return to the European circuit and build to July's World Championships.

"After the Olympics, I had some time off with the concussion and I felt a bit disconnected with my bike every time I got on it these past couple of months.

"As soon as I got on to this track, I think it's the familiarity, I was just able to feel like myself again.

"That was an amazing feeling and definitely a confidence booster coming into next year knowing I am on the right track and all I have to do is continue on and get back into the racing."

Sakakibara's success in Queensland came as the country's best mountain bikers descended on the Illawarra for the Australian Gravity Enduro Championships.

The action was fierce at GreenValleys Mountain Bike Park in Tongarra, riders battling a brutal course and hot conditions throughout the weekend.

Ultimately Luke Meier-Smith claimed the elite men's category, with Leanna Curtis prevailing in the elite women's event.

"The hot day made it really physical, pretty stoked to be honest," Meier-Smith told AusCycling.

"I didn't really keep an eye on the times during the day, I was just concentrating on each stage, but so stoked to take the win, really wasn't expecting it. A couple of the top dogs had a few issues. But yeah, over the moon and super happy."