Sports Lap Timer can be used to keep lap times for sports events, and have the ability to count laps for each participant. You can choose between lap and elapsed times. The results can then be exported as csv file. The App currently also supports QR codes as bib numbers.
This Application also have the feature to compile a list of participants. You can add participants one by one, or, if you have a club member list on Google Sheets, you can add the URL in settings, and select participant from the list. You can also compile a list of participants in Google sheets, and import the complete list. The Participants list can also be exported to csv file.