diff --git a/docs/rpc/components/schemas/block-replay-transaction.schema.yaml b/docs/rpc/components/schemas/block-replay-transaction.schema.yaml
index c3bfad873bd..e4bb271f63f 100644
--- a/docs/rpc/components/schemas/block-replay-transaction.schema.yaml
+++ b/docs/rpc/components/schemas/block-replay-transaction.schema.yaml
@@ -40,6 +40,9 @@ properties:
   cpu_ref_cycles:
     type: [integer, "null"]
     description: number of reference cycles executed
+  execution_time_millis:
+    type: integer
+    description: execution time in milliseconds
 required:
   - data
   - events
@@ -51,6 +54,4 @@ required:
   - tx_index
   - txid
   - vm_error
-  - cpu_instructions
-  - cpu_cycles
-  - cpu_ref_cycles
+  - execution_time_millis
diff --git a/stackslib/src/net/api/blockreplay.rs b/stackslib/src/net/api/blockreplay.rs
index de10f5378c8..8590d19adc8 100644
--- a/stackslib/src/net/api/blockreplay.rs
+++ b/stackslib/src/net/api/blockreplay.rs
@@ -13,6 +13,8 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+use std::time::{Duration, Instant};
+
 use clarity::vm::costs::ExecutionCost;
 use clarity::vm::Value;
 use regex::{Captures, Regex};
@@ -261,6 +263,8 @@ where
     for (i, tx) in transactions.iter().enumerate() {
         let tx_len = tx.tx_len();
 
+        let start = Instant::now();
+
         let mut profiler: Option<BlockReplayProfiler> = None;
         let mut profiler_result = BlockReplayProfilerResult::default();
 
@@ -285,7 +289,7 @@ where
 
         let err = match tx_result {
             TransactionResult::Success(tx_result) => {
-                txs_receipts.push((tx_result.receipt, profiler_result));
+                txs_receipts.push((tx_result.receipt, start.elapsed(), profiler_result));
                 Ok(())
             }
             TransactionResult::ProcessingError(e) => {
@@ -318,8 +322,12 @@ where
     let mut rpc_replayed_block =
         RPCReplayedBlock::from_block(&replayed_block, block_fees, tenure_id, parent_block_id);
 
-    for (receipt, profiler_result) in &txs_receipts {
-        let transaction = RPCReplayedBlockTransaction::from_receipt(receipt, &profiler_result);
+    for (receipt, execution_duration, profiler_result) in &txs_receipts {
+        let transaction = RPCReplayedBlockTransaction::from_receipt(
+            receipt,
+            execution_duration,
+            &profiler_result,
+        );
         rpc_replayed_block.transactions.push(transaction);
     }
 
@@ -394,11 +402,13 @@ pub struct RPCReplayedBlockTransaction {
     pub cpu_instructions: Option<u64>,
     pub cpu_cycles: Option<u64>,
     pub cpu_ref_cycles: Option<u64>,
+    pub execution_time_millis: u64,
 }
 
 impl RPCReplayedBlockTransaction {
     pub fn from_receipt(
         receipt: &StacksTransactionReceipt,
+        execution_duration: &Duration,
         profiler_result: &BlockReplayProfilerResult,
     ) -> Self {
         let events = if receipt.post_condition_aborted {
@@ -437,6 +447,7 @@ impl RPCReplayedBlockTransaction {
             cpu_instructions: profiler_result.cpu_instructions,
             cpu_cycles: profiler_result.cpu_cycles,
             cpu_ref_cycles: profiler_result.cpu_ref_cycles,
+            execution_time_millis: execution_duration.as_millis() as u64,
         }
     }
 }