When you import participant information from another data source via a spreadsheet, there is always the issue of data compatibility. For example the spreadsheet may have the T-Shirt as a “L” and your race has been set up with “Large”.
On import, RunSignUp allows you to match fields very easily as shown at the right.
Once the fields are matched, then it 
provides for a way to “map” your spreadsheet data into the RunSignUp database. The two examples here are for Date and for Event. But RunSignUp will automatically detect if there are incompatibilities and offer a way to map them.
The other addition we made is a “two step” data mapping. An example of this is importing participants into different events that have different data fields. For example the 8K might have a different set of Shirt sizes as show below:
