A radio-thon is an event where a radio station raises money for a cause through a marathon-style broadcast. Some synonyms for radio-thon include telethon, fundraising marathon, charity drive, pledge drive, and donation rally. A telethon is similar to a radio-thon but is typically broadcast on television instead. A fundraising marathon is a term often used for events that last for a long period, such as 24 hours or more. Charity drive is a broad term that can apply to any type of event that raises funds for a charitable cause. A pledge drive is similar to a radio-thon but tends to focus on securing ongoing support from donors. Finally, a donation rally is a term that is often used for events that incentivize giving through contests or other fun activities.