diff --git a/conductor/tracks.md b/conductor/tracks.md
index 74e1a47..0589298 100644
--- a/conductor/tracks.md
+++ b/conductor/tracks.md
@@ -40,10 +40,10 @@ This file tracks all major tracks for the project. Each track has its own detail
 
 ---
 
-- [ ] **Track: MMA Tiered Architecture Verification (Mock)**
+- [x] **Track: MMA Tiered Architecture Verification (Mock)**
 *Link: [./tracks/mma_verification_mock/](./tracks/mma_verification_mock/)*
 
 ---
 
-- [~] **Track: MMA Tiered Architecture Verification**
+- [x] **Track: MMA Tiered Architecture Verification**
 *Link: [./tracks/mma_verification_20260225/](./tracks/mma_verification_20260225/)*
diff --git a/conductor/tracks/mma_verification_20260225/plan.md b/conductor/tracks/mma_verification_20260225/plan.md
index 2aabe70..585097e 100644
--- a/conductor/tracks/mma_verification_20260225/plan.md
+++ b/conductor/tracks/mma_verification_20260225/plan.md
@@ -19,7 +19,7 @@
 - [x] Task: Verify the requirement "Tier 3 can spawn Tier 4" within the mock track's implementation flow. f4g5h6i
 - [x] Task: Conductor - User Manual Verification 'Test Track Implementation' (Protocol in workflow.md) 4eb4e86
 
-## Phase 4: Final Validation and Reporting
+## Phase 4: Final Validation and Reporting [checkpoint: 551e41c]
 - [x] Task: Run the full suite of automated verification tests for the tiered architecture. 3378fc5
 - [x] Task: Collect and analyze logs from the mock track execution to confirm traceability and token firewalling. 3378fc5
 - [x] Task: Produce the final analysis report and architectural recommendation for MMA. 3378fc5