diff --git a/PROGRESS.md b/PROGRESS.md
index a45240f..965ae27 100644
--- a/PROGRESS.md
+++ b/PROGRESS.md
@@ -6,6 +6,16 @@
 
 **Last Updated: 2026-03-29** (Phase 10 Complete - All deliverables implemented)
 
+### Marathon Verification (2026-03-29 Iteration 4)
+- Project verified complete - no remaining work
+- Web build: passing (279ms, 5 chunks)
+- Git status: clean, up to date with origin/master
+- Architecture conformance: verified
+  - K8s manifests in `cluster-configuration/apexalgo-iad/ai-code-battle/`
+  - All cmd packages present: acb-local, acb-mapgen, acb-worker, acb-api, acb-evolver, acb-wasm, acb-matchmaker, acb-index-builder, acb-map-evolver
+- No TODO/FIXME/HACK markers (only `context.TODO()` standard Go patterns)
+- All phases complete - project is finished
+
 ### Marathon Verification (2026-03-29 Iteration 3)
 - Project verified complete - no remaining work
 - Web build: passing (272ms, 5 chunks)