Who's the target audience?
Runners need to stay motivated to run their weekly milage
A group based distance goal (100 runners across the US)
Can I make this?
Yes, can build in a week
Are people currently spending money on it?
How will I get the first 25/250 customers?
Not sure, competitors do exist in the area
If it works, will it be sustainable?
Am I the person to build this business?