diff --git a/src/pytest_codspeed/plugin.py b/src/pytest_codspeed/plugin.py
index beb7737..407af07 100644
--- a/src/pytest_codspeed/plugin.py
+++ b/src/pytest_codspeed/plugin.py
@@ -18,6 +18,8 @@
 import pytest
 from _pytest.fixtures import FixtureManager
 
+from pytest_codspeed.utils import get_git_relative_uri
+
 from . import __version__
 from ._wrapper import get_lib
 
@@ -169,7 +171,12 @@ def pytest_collection_modifyitems(
 
 
 def _run_with_instrumentation(
-    lib: "LibType", nodeId: str, fn: Callable[..., Any], *args, **kwargs
+    lib: "LibType",
+    nodeId: str,
+    config: "pytest.Config",
+    fn: Callable[..., Any],
+    *args,
+    **kwargs,
 ):
     is_gc_enabled = gc.isenabled()
     if is_gc_enabled:
@@ -185,12 +192,12 @@ def __codspeed_root_frame__():
     if SUPPORTS_PERF_TRAMPOLINE:
         # Warmup CPython performance map cache
         __codspeed_root_frame__()
-
     lib.zero_stats()
     lib.start_instrumentation()
     __codspeed_root_frame__()
     lib.stop_instrumentation()
-    lib.dump_stats_at(f"{nodeId}".encode("ascii"))
+    uri = get_git_relative_uri(nodeId, config.rootpath)
+    lib.dump_stats_at(uri.encode("ascii"))
     if is_gc_enabled:
         gc.enable()
 
@@ -226,7 +233,9 @@ def pytest_runtest_protocol(item: "pytest.Item", nextitem: Union["pytest.Item",
     if setup_report.passed and not item.config.getoption("setuponly"):
         assert plugin.lib is not None
         runtest_call = pytest.CallInfo.from_call(
-            lambda: _run_with_instrumentation(plugin.lib, item.nodeid, item.runtest),
+            lambda: _run_with_instrumentation(
+                plugin.lib, item.nodeid, item.config, item.runtest
+            ),
             "call",
         )
         runtest_report = ihook.pytest_runtest_makereport(item=item, call=runtest_call)
diff --git a/src/pytest_codspeed/utils.py b/src/pytest_codspeed/utils.py
new file mode 100644
index 0000000..71b7f39
--- /dev/null
+++ b/src/pytest_codspeed/utils.py
@@ -0,0 +1,35 @@
+from pathlib import Path
+
+
+def get_git_relative_path(abs_path: Path) -> Path:
+    """Get the path relative to the git root directory. If the path is not
+    inside a git repository, the original path itself is returned.
+    """
+    git_path = Path(abs_path).resolve()
+    while (
+        git_path != git_path.parent
+    ):  # stops at root since parent of root is root itself
+        if (git_path / ".git").exists():
+            return abs_path.resolve().relative_to(git_path)
+        git_path = git_path.parent
+    return abs_path
+
+
+def get_git_relative_uri(uri: str, pytest_rootdir: Path) -> str:
+    """Get the benchmark uri relative to the git root dir.
+
+    Args:
+        uri (str): the benchmark uri, for example:
+          testing/test_excinfo.py::TestFormattedExcinfo::test_repr_source
+        pytest_rootdir (str): the pytest root dir, for example:
+          /home/user/gitrepo/folder
+
+    Returns:
+        str: the benchmark uri relative to the git root dir, for example:
+          folder/testing/test_excinfo.py::TestFormattedExcinfo::test_repr_source
+
+    """
+    file_path, function_path = uri.split("::", 1)
+    absolute_file_path = pytest_rootdir / Path(file_path)
+    relative_git_path = get_git_relative_path(absolute_file_path)
+    return f"{str(relative_git_path)}::{function_path}"
diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 0000000..5111718
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,30 @@
+from pathlib import Path
+from unittest.mock import patch
+
+from pytest_codspeed.utils import get_git_relative_path, get_git_relative_uri
+
+
+def test_get_git_relative_path_found():
+    with patch.object(
+        Path, "exists", lambda self: str(self) == "/home/user/gitrepo/.git"
+    ):
+        path = Path("/home/user/gitrepo/folder/nested_folder")
+        assert get_git_relative_path(path) == Path("folder/nested_folder")
+
+
+def test_get_git_relative_path_not_found():
+    with patch.object(Path, "exists", lambda self: False):
+        path = Path("/home/user/gitrepo/folder")
+        assert get_git_relative_path(path) == path
+
+
+def test_get_git_relative_uri():
+    with patch.object(
+        Path, "exists", lambda self: str(self) == "/home/user/gitrepo/.git"
+    ):
+        pytest_rootdir = Path("/home/user/gitrepo/pytest_root")
+        uri = "testing/test_excinfo.py::TestFormattedExcinfo::test_fn"
+        assert (
+            get_git_relative_uri(uri, pytest_rootdir)
+            == "pytest_root/testing/test_excinfo.py::TestFormattedExcinfo::test_fn"
+        )