Yeah, but its a poor pitch to say, "Oh, no internet? Just use your phones mobile hotspot." Existing solutions run entirely offline and I need to replicate that experience to get any initial usage of the app... at least outside of my contacts.
Sure, but your monetization strategy could still be tied to online access/community/etc. -- in other words, you could provide the software to keep track of the event offline for free, but have it connect to a website where people can see results live (when the event supports it), search historical results, and even watch video of the event for a fee (again, if the event supports it).