Advanced – Non-Functional Testing
Race Condition – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A defect that occurs when the timing or order of events affects a program's correctness.
In simple words
Two threads or requests interfere because their timing wasn't controlled.
Exam tip
Classic root cause of intermittent, hard-to-reproduce production bugs.
Related terms
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