Kiwi Justin Grace still whistles while he works but he's now doing it in the colours of Great Britain.
"To be coaching against New Zealand here, yeah, it's an odd feeling but I have been doing it for a couple of years now so I guess the difference is looking at the familiar faces in the crowd," Grace said.
Grace was the New Zealand sprint coach for five years before taking up the lead role with the French Federation in 2013.
He moved to Britain just over a year ago to take charge of their sprint programme.
He's coached in Velodromes all over the world but this is the first time he's seen New Zealand's new track in Cambridge.
"It's an amazing facility and I think the guys are incredibly lucky to be able to train on it day in and day out and certainly my riders have been really impressed with the track and surrounding countryside, they all want to stay. Even the Australians are impressed," Grace said.
"I've been really blown away by it. You hear a lot of things through the New Zealanders and how they've got this amazing new facility but we've come here and the track's super cool, super fast," said Australian cyclist Alex Edmonson.
"But also the facilities, the cafe. I'll be going back to the superdrome in Adelaide and saying 'why don't we have such a good coffee shop?"
Three-hundred riders from all over the world will compete and having a World Cup in New Zealand for the first time is a nice change for Kiwi and Australian athletes.
"It's brilliant having a World Cup so close to home. We usually have it pretty rough in having two or three World Cups in the Americas or Europe so a lot of the European teams are actually complaining about the travel so at least they get a bit of a taste of what it feels like for us," Australian rider Annette Edmonson said.
Riders will chase points for World Championship and Olympic qualification when competition starts tomorrow.
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