UCI Gravel World Series – Australian champions Mark O'Brien and Tiffany Cromwell win Western Australia's SEVEN

Mark O'Brien and Tiffany Cromwell (Canyon-SRAM zondacrypto) at SEVEN in Western Australia's Nannup, a round of the 2025 UCI Gravel World Series
Mark O'Brien and Tiffany Cromwell (Canyon-SRAM zondacrypto) clai the top spots at SEVEN in Western Australia's Nannup, a round of the 2025 UCI Gravel World Series (Image credit: Patrick Boeré Photography)

Mark O'Brien (Trappist) and Tiffany Cromwell (Canyon-SRAM zondacrypto) claimed victory at SEVEN on Saturday, with the Australian gravel champions both getting the better of powerful home-state contenders, Mark Chong and Cassia Boglio (PAS Racing), during the final stages of the 126km Western Australian UCI Gravel World Series round.

O'Brien used his climbing prowess to shake Chong in the final ten kilometres, crossing the line solo in the small town of Nannup after 4 hours, five minutes and 20 seconds with the Western Australian a little over half a minute behind. It was then Brendon Davids (Brennan) who took third ahead of 2023 winner Tasman Nankervis (Cannondale-Rapha-Camelback-Shimano).

It was, however, the tightest of battles for Cromwell and Boglio with the experienced WorldTour rider having being distanced by her and Talia Appleton (Praties) early in the race but, with unrelenting persistence, pulling Boglio back within the final five kilometres. 

“Very unexpected," said Cromwell in an interview with race commentator Jethro Nagle, as she was still breathless and warding off cramps straight after crossing the line. "I felt so bad out there.

"I was dropped on the first main climb. The two girls went away and somehow I found some legs and just got into pursuit mode. I caught Talia and I thought 'ok cool, I’m in it for the second' and then I did not expect to catch Casia and it was literally in the single track that we came together."

O'Brien claimed his victory by making the best of those climbs, with the already whittled down group of around a dozen stripped down to a core group of four after the category three Ellis Creek climb with 40km to go. Nankervis looked to be the only one who could match O'Brien on the climbs initially, but Chong and Davids kept fighting back on the downhills.

Finally, O'Brien managed to shake Nankervis, but then it was the 2023 and 2024 runner-up Chong who came across and attempted to stick to his wheel. O'Brien's push in the final ten kilometres, which includes the category 5 Killarney climb, was finally enough for the Australian champion to make a solo break that stuck to the end.

Swipe to scroll horizontally
Elite men's top 5
PositionRiderTime
1Mark O'Brien4:05:20
2Mark Chong+37
3Brendon Davids+51
4Tasman Nankervis+2:01
5Jeremy Presbury+6:19
Swipe to scroll horizontally
Elite women's top 5
PositionRiderTime
1Tiffany Cromwell4:39:46
2Casia Boglio+1
3Talia Appleton+1:32
4Ella Bloor+17:32
5Matilda Raynolds+20:32
Simone Giuliani
Australia Editor

Simone is a degree-qualified journalist that has accumulated decades of wide-ranging experience while working across a variety of leading media organisations. She joined Cyclingnews as a Production Editor at the start of the 2021 season and has now moved into the role of Australia Editor. Previously she worked as a freelance writer, Australian Editor at Ella CyclingTips and as a correspondent for Reuters and Bloomberg. Cycling was initially purely a leisure pursuit for Simone, who started out as a business journalist, but in 2015 her career focus also shifted to the sport.

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