If you're not at the stage of editing to participate in NaNoEdMo then try your hand at 70 Days of Sweat. The challenge is to write a single novel (over 60,000 words) in 70 days. That means writing a minimum of 700 words a day or up to 1,500 words a day to reach 98,000 words.

Round 3 is starts on 1 March.