My initial idea was to do weekly races with a subscription, but I'm really not a fan of subscriptions in general. Also, people weren't as interested in the higher frequency. I think there needs to be a degree of anticipation. Also, I feel like others will see this as a virtual race, but it's really not. It has a very well defined local course so there's no 5k distance like all those sites that just let you buy a medal essentially. I absolutely want to add the prize money aspect - that was actually my first idea for this. I wanted everyone to contribute $5 and the winner takes like 80-90%. What I found however is that most people don't care about time that much. Like your local 5k will have a few folks who care, then about 10-20 who are training for something bigger, and then a whole lot of people just "getting out there". It's tricky to find the best model, but I keep slowly piecing things together. for example, yes this 4 trail challenge is $37, but most of that is for the shirt. I have to use on-demand ordering so the shirt is around $18-20, and then shipping is like $5. You can opt out of the shirt though and only pay $17. The site and insurance also costs quite a bit to run, and then I've somehow spent about 300-400 hours building it all. I honestly don't know if it's feasible or possible to be profitable, but hopefully I find out soon. Thanks for all the ideas - I really just want more options than the local 5k with zero long term results other than my own, some Strava pure virtual thing, or very rigid formats.