Fast52

Fast52 was a Twitch global emote for Fast 52, a 52-hour video game speedrunning charity marathon held from September 26 to 28, 2025 at Thunder Studios in Long Beach, California. The event followed the previous Fast 50 and was built around runners and creators trying to finish games or special challenges as quickly as possible while viewers donated to charity. The "52" in the command was literal: the marathon ran continuously for 52 hours.

Fast 52 mixed conventional speedruns with creator-focused challenges and a live audience that could stay at the venue around the clock. The fundraiser ultimately passed $250,000 across four nonprofit causes. That makes the emote's name more than a generic speed reference. It points to the exact length, format and fundraising event that Twitch viewers were watching together.

When this emote was active, viewers typed Fast52 in Twitch chat to use it. Viewers used Fast52 during the marathon for fast finishes, personal-best pace, difficult skips, race-style challenges, donation milestones and moments when a runner was beating the clock.