diff --git a/.github/scripts/fetch-trace-fixture-lfs.sh b/.github/scripts/fetch-trace-fixture-lfs.sh
new file mode 100644
index 00000000..db8af394
--- /dev/null
+++ b/.github/scripts/fetch-trace-fixture-lfs.sh
@@ -0,0 +1,102 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ "$#" -lt 1 ] || [ "$#" -gt 2 ]; then
+  echo "usage: $0 <trace-case> [fixture-dir]" >&2
+  exit 2
+fi
+
+case_name="$1"
+fixture_dir="${2:-tools/trace_replay/fixtures}"
+
+files=()
+
+add_standard_case() {
+  local golden_suffix="$1"
+  files+=(
+    "${fixture_dir}/${case_name}.tgz"
+    "${fixture_dir}/${case_name}.${golden_suffix}.png"
+  )
+}
+
+case "${case_name}" in
+  OpenRA)
+    files+=(
+      "${fixture_dir}/openra.tgz"
+      "${fixture_dir}/openra.0000031249.png"
+    )
+    ;;
+  minecraft-1.21.4-startup)
+    add_standard_case "0000092195"
+    ;;
+  minecraft-1.21.4-main-menu)
+    add_standard_case "0000481787"
+    ;;
+  minecraft-1.21.4-in-world)
+    add_standard_case "0000280000"
+    ;;
+  minecraft-1.21.4-fabric-sodium-in-world)
+    add_standard_case "0000923340"
+    ;;
+  minecraft-1.21.4-fabric-iris-bsl-in-world)
+    add_standard_case "0000110725"
+    ;;
+  minecraft-1.21.4-fabric-iris-makeup-ultrafast-in-world)
+    add_standard_case "0000095322"
+    ;;
+  minecraft-1.21.4-fabric-iris-super-duper-vanilla-in-world)
+    add_standard_case "0000141559"
+    ;;
+  minecraft-1.21.4-fabric-iris-sundial-lite-in-world)
+    add_standard_case "0000150023"
+    ;;
+  minecraft-1.21.4-fabric-iris-complementary-reimagined-in-world)
+    add_standard_case "0000151297"
+    ;;
+  minecraft-1.21.4-fabric-iris-complementary-unbound-in-world)
+    add_standard_case "0000146559"
+    ;;
+  minecraft-1.21.4-fabric-iris-mellow-in-world)
+    add_standard_case "0000096143"
+    ;;
+  minecraft-1.21.4-fabric-iris-nostalgia-in-world)
+    files+=(
+      "${fixture_dir}/${case_name}.tgz"
+      "${fixture_dir}/${case_name}.0000153808-linux-mesa.png"
+      "${fixture_dir}/${case_name}.0000153808.png"
+    )
+    ;;
+  minecraft-1.21.4-fabric-iris-bliss-in-world)
+    add_standard_case "0000113511"
+    ;;
+  minecraft-1.21.4-fabric-iris-chocapic-v6-lite-in-world)
+    add_standard_case "0000125124-linux-mesa"
+    ;;
+  minecraft-1.21.4-fabric-iris-iterationt-in-world)
+    add_standard_case "0001173280"
+    ;;
+  minecraft-1.21.4-fabric-iris-iterationt-nodsa-in-world)
+    add_standard_case "0001606997"
+    ;;
+  minecraft-1.21.4-fabric-iris-photon-v1.1-in-world)
+    add_standard_case "0000159866"
+    ;;
+  *)
+    echo "unknown trace case: ${case_name}" >&2
+    exit 2
+    ;;
+esac
+
+include="$(IFS=,; echo "${files[*]}")"
+echo "Fetching LFS fixture files for ${case_name}: ${include}"
+
+git lfs install --local
+git lfs pull --include="${include}" --exclude=""
+
+for file in "${files[@]}"; do
+  test -s "${file}"
+  if head -n 1 "${file}" | grep -q "version https://git-lfs.github.com/spec/v1"; then
+    echo "failed to hydrate LFS fixture: ${file}" >&2
+    exit 1
+  fi
+done
diff --git a/.github/workflows/apk.yml b/.github/workflows/apk.yml
index c259dbfc..77ad8fd9 100644
--- a/.github/workflows/apk.yml
+++ b/.github/workflows/apk.yml
@@ -373,9 +373,11 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
         with:
-          lfs: true
           submodules: recursive
 
+      - name: Fetch trace fixture
+        run: bash .github/scripts/fetch-trace-fixture-lfs.sh '${{ matrix.case.name }}'
+
       - name: Set artifact metadata
         run: |
           echo "date_today=$(date +'%Y-%m-%d')" >> "$GITHUB_ENV"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a45fe04a..54b976df 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -230,7 +230,6 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
         with:
-          lfs: true
           submodules: recursive
 
       - name: Get CMake
@@ -371,9 +370,11 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
         with:
-          lfs: true
           submodules: recursive
 
+      - name: Fetch trace fixture
+        run: bash .github/scripts/fetch-trace-fixture-lfs.sh '${{ matrix.case }}'
+
       - name: Get CMake
         uses: lukka/get-cmake@latest