Marathon Countdown Timer is a sports chrome extension. it's a free extension , it has 25 active users since released its first version, it earns an average rating of 1.00 from 1 rated user, last update is 3484 days ago.
Select your race and stay motivated all the way to race day. Share a photo with the countdown. Download or we can text the photo to you.
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from marathon countdown timer support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of marathon countdown timer.
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