"Once again the community has been amazing and supportive of something that's quite controversial. It's something people talk about, it's something we can tell a story with.
"I'm stoked, it's been fantastic promoting it."
The undie run was filmed and photographed to prove to supporters that it had happened and to create more opportunities to promote the tracks.
Work is already in progress on the new trails. Two are being built, one is family friendly and the other more advanced.
Mr Alexander, who is a real estate agent, was one of the men to strip down for the cause.
"I loved the Exit trail and I miss it every time I come riding. Lisa is such a larger than life character we needed three people to fill her position."
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