Sens. Barack Obama and Hillary Rodham Clinton each surpassed the $100 million fundraising mark for their presidential campaigns in 2007, according to people directly familiar with their finance operations, the first time two candidates have eclipsed that milestone before a single primary vote was cast.
The two Democrats have set a breakneck fundraising pace for the crowded presidential race since the beginning of 2007, a contest defined by the pursuit of both wealthy donors and newcomers lured to make smaller contributions through the Internet.
"It's unprecedented," said Michael S. Berman, a campaign veteran who organized fundraising for former vice president Walter F. Mondale's 1984 Democratic campaign. "What we did, it's not even relevant anymore. The amounts just keep growing. I don't know if there is an upper limit."
Aides to the Democratic front-runners did not say yesterday how much cash they had remaining to spend, as last-minute donations were still being tallied.
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