Randy Bryce, the ironworking Democrat challenging Paul Ryan in Wisconsin's 1st district, followed up last month's splashy introduction video with some news: his fledging campaign raised more than $430,000 in just 12 days.

By the numbers: Via Twitter, Bryce said that his campaign had over 16,000 donors from all 50 states — with the average donation at around $25.

Why it matters: Today officially marks one-third of the way between the 2016 presidential election and the 2018 midterms, so if Bryce can maintain this momentum, he might give Ryan a fight in what's sure to be a closely watched race next fall.