diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b70f093..9029ee2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - Add `assert_not_called`
 - Improve `find_total_tests` performance
 - Added `assert_match_snapshot_ignore_colors`
+- Optimize `runner::parse_result_sync`
 
 ## [0.19.1](https://github.com/TypedDevs/bashunit/compare/0.19.0...0.19.1) - 2025-05-23
 
diff --git a/src/runner.sh b/src/runner.sh
index 277a3cbc..f1c82cda 100755
--- a/src/runner.sh
+++ b/src/runner.sh
@@ -54,9 +54,11 @@ function runner::functions_for_script() {
 
   # Filter the names down to the ones defined in the script, sort them by line number
   shopt -s extdebug
-  for f in $all_fn_names; do
-    declare -F "$f" | grep "$script"
-  done | sort -k2 -n | awk '{print $1}'
+  # shellcheck disable=SC2086
+  declare -F $all_fn_names |
+    awk -v s="$script" '$3 == s {print $1" " $2}' |
+    sort -k2 -n |
+    awk '{print $1}'
   shopt -u extdebug
 }
 
@@ -349,41 +351,32 @@ function runner::parse_result_sync() {
   local fn_name=$1
   local execution_result=$2
 
-  local assertions_failed=$(\
-    echo "$execution_result" |\
-    tail -n 1 |\
-    sed -E -e 's/.*##ASSERTIONS_FAILED=([0-9]*)##.*/\1/g'\
-  )
-
-  local assertions_passed=$(\
-    echo "$execution_result" |\
-    tail -n 1 |\
-    sed -E -e 's/.*##ASSERTIONS_PASSED=([0-9]*)##.*/\1/g'\
-  )
-
-  local assertions_skipped=$(\
-    echo "$execution_result" |\
-    tail -n 1 |\
-    sed -E -e 's/.*##ASSERTIONS_SKIPPED=([0-9]*)##.*/\1/g'\
-  )
-
-  local assertions_incomplete=$(\
-    echo "$execution_result" |\
-    tail -n 1 |\
-    sed -E -e 's/.*##ASSERTIONS_INCOMPLETE=([0-9]*)##.*/\1/g'\
-  )
-
-  local assertions_snapshot=$(\
-    echo "$execution_result" |\
-    tail -n 1 |\
-    sed -E -e 's/.*##ASSERTIONS_SNAPSHOT=([0-9]*)##.*/\1/g'\
-  )
-
-  local test_exit_code=$(\
-    echo "$execution_result" |\
-    tail -n 1 |\
-    sed -E -e 's/.*##TEST_EXIT_CODE=([0-9]*)##.*/\1/g'\
-  )
+  local result_line
+  result_line=$(echo "$execution_result" | tail -n 1)
+
+  local assertions_failed=0
+  local assertions_passed=0
+  local assertions_skipped=0
+  local assertions_incomplete=0
+  local assertions_snapshot=0
+  local test_exit_code=0
+
+  local regex
+  regex='ASSERTIONS_FAILED=([0-9]*)##'
+  regex+='ASSERTIONS_PASSED=([0-9]*)##'
+  regex+='ASSERTIONS_SKIPPED=([0-9]*)##'
+  regex+='ASSERTIONS_INCOMPLETE=([0-9]*)##'
+  regex+='ASSERTIONS_SNAPSHOT=([0-9]*)##'
+  regex+='TEST_EXIT_CODE=([0-9]*)'
+
+  if [[ $result_line =~ $regex ]]; then
+    assertions_failed="${BASH_REMATCH[1]}"
+    assertions_passed="${BASH_REMATCH[2]}"
+    assertions_skipped="${BASH_REMATCH[3]}"
+    assertions_incomplete="${BASH_REMATCH[4]}"
+    assertions_snapshot="${BASH_REMATCH[5]}"
+    test_exit_code="${BASH_REMATCH[6]}"
+  fi
 
   log "debug" "[SYNC]" "fn_name:$fn_name" "execution_result:$execution_result"