diff --git a/benchmarks/core/arit.py b/benchmarks/core/arit.py
index 76dfcc5..a0307cb 100644
--- a/benchmarks/core/arit.py
+++ b/benchmarks/core/arit.py
@@ -8,6 +8,10 @@
 p = 3*x**2*y*z**7 + 7*x*y*z**2 + 4*x + x*y**4
 e = (x + y + z + 1)**32
 
+a5000 = symbols("a0:5000")
+sum_a5000 = Add(*a5000);
+
+
 class Time_Arit:
     def time_neg(self):
         -x
@@ -27,6 +31,10 @@ def time_Add_xy(self):
     def time_Add_xyz(self):
         Add(*[x, y, z])
 
+    def time_Add_thousands(self):
+        # from https://github.com/sympy/sympy/pull/27254
+        sum_a5000 + a5000[0]
+
     def time_Mul_xy(self):
         x*y