I've enter multiple competitions over the years, this list does not cover all of them (I was successful in some, but not all) or even all the competitions out there, it's more a highlights page:

• Colorado Gold Writing Contest
• flash500 Novel Opening Chapter & Synopsis Category
• ​flash500 flash fiction
  
• The Exeter Novel Prize
• The Bath Novel Award
• The Richell Prize for Emerging Writers
• Rachel Funari Prize for Fiction
• NYC Midnight Flash Fiction Challenge/ Microfiction Challenge (I'm not brave enough yet to enter the Screen Writing Contest)
• Query Kombat
• PitchWars
• Vancouver Writers Festival
• Grindstone Literary
• Ink & Insights