diff --git a/codewars/7kyu/racing-grid-validation/koronya.js b/codewars/7kyu/racing-grid-validation/koronya.js
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index 000000000..f5e1bd7fe
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+++ b/codewars/7kyu/racing-grid-validation/koronya.js
@@ -0,0 +1,25 @@
+// [JS][7kyu] Racing Grid Validation
+// racing-grid-validation
+// https://www.codewars.com/kata/692c80fa12006b05757089dd/train/javascript
+
+const validateRace = (moves) => {
+  const movesLength = moves.length
+  const arr = moves.map((move, index) => {
+    const sum = index + move
+    if (sum < 0 || sum >= movesLength) {
+      return null
+    }
+    return sum
+  })
+  const filteredArr = arr.filter((item) => item !== null)
+  return movesLength === new Set(filteredArr).size
+}
+
+// validateRace([2, -1, -1])
+// validateRace([0, 0, 0, 0, 0])
+
+// validateRace([-1, 1, -1])
+// validateRace([0, 1, 0])
+
+// validateRace([4, 4, -2, -2, -3, 1, -2])
+// validateRace([2, -2, 0])