hunt-race-condition

Firing a race — two primitives (tooling-agnostic)

Winning a race needs requests that arrive in the same narrow window — sequential sends never work. Use a single-packet / synchronized-send tool: Burp Repeater "Send group in parallel" (HTTP/2 single-packet attack), Turbo Intruder (engine=Engine.BURP2, gate sync), or any client that can flush N requests simultaneously. Two shapes: