diff --git a/rl/utils/core.py b/rl/utils/core.py
index a225339..e89d34a 100644
--- a/rl/utils/core.py
+++ b/rl/utils/core.py
@@ -2,6 +2,7 @@
 from typing import Any, Callable, Iterable, TypeVar
 
 import regex
+from tqdm.contrib.concurrent import process_map, thread_map
 
 K = TypeVar("K")
 T = TypeVar("T")
@@ -30,3 +31,18 @@ def safe_extract(pattern: regex.Pattern, text: str, key: str) -> str | None:
         return match.group(key)
     else:
         return None
+
+
+def tqdm_map(
+    fn: Callable[[T], Any],
+    *iterables: Iterable[T],
+    mode: str = None,
+    **tqdm_kwargs: Any,
+) -> list[Any]:
+    """Map a function over iterables with a tqdm progress bar."""
+    if mode == "thread":
+        return thread_map(fn, *iterables, **tqdm_kwargs)
+    elif mode == "process":
+        return process_map(fn, *iterables, **tqdm_kwargs)
+    else:
+        return list(map(fn, *iterables))