Yes. Run or walk the distance or combined distance of the race at a time that suits you during the race period. To register your result email a screen shot of your Fitbit data, running/walking app or result from an actual race event to email@example.com before the specific deadline listed for the race. Running 4 Bling is one of the first companies to provide a number of fitbit steps option rather than distance for each race too.
Yes. Each month generally has at least one medal challenge with some for a specific time period or day.
Do they donate to charity?
Yes. Each race donates 10% of the race entry to a charity specific to that race. Charities are a mix of major and less known causes.
Most races have multiple distance options that you select when you enter. You can also choose your distance based on fitbit steps. Some must be completed in one day but there a number of races where you can spread the distance over the time period.
In the UK but they ship internationally .
£10, including shipping within the UK. International shipping is available for an extra charge of £4.
Not currently other than the standard tweets or posts to their facebook page.
Running 4 Bling has started providing some race options for children.
Finally, the medals?
The is a range of different medals specific to a theme or general. They also have a very great Couch to 5k medal. Some of the medals also spin and the May the 4th medal (which sold out very quickly) glows in the dark.