diff --git a/contrib/teamcity/builds/build-tsan.sh b/contrib/teamcity/builds/build-tsan.sh
--- a/contrib/teamcity/builds/build-tsan.sh
+++ b/contrib/teamcity/builds/build-tsan.sh
@@ -13,7 +13,9 @@
 )
 build_with_cmake --Werror --clang
 
-run_test_bitcoin "with thread sanitizer"
+# TSAN runs out of memory with the default radix_tests/insert_stress_test values
+run_test_bitcoin "with thread sanitizer" \
+  -radix_insert_stress_test_threads=16 -radix_insert_stress_test_elements=128
 
 # Libs and utils tests
 ninja check
diff --git a/src/test/main.cpp b/src/test/main.cpp
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -24,6 +24,13 @@
             testsuitename,
             "-phononactivationtime",
             "-axionactivationtime",
+            /*
+             * Radix tests custom arguments.
+             * TODO find a way to move the test exclusive arguments to the test
+             * they belong.
+             */
+            "-radix_insert_stress_test_threads",
+            "-radix_insert_stress_test_elements",
         };
 
         for (const auto &arg : testArgs) {
diff --git a/src/test/radix_tests.cpp b/src/test/radix_tests.cpp
--- a/src/test/radix_tests.cpp
+++ b/src/test/radix_tests.cpp
@@ -307,20 +307,20 @@
     CheckConstTree(mytree, false);
 }
 
-#define THREADS 128
-#define ELEMENTS 65536
-
 BOOST_AUTO_TEST_CASE(insert_stress_test) {
     typedef TestElement<uint32_t> E;
 
+    int nThreads = gArgs.GetArg("-radix_insert_stress_test_threads", 128);
+    int nElements = gArgs.GetArg("-radix_insert_stress_test_elements", 65536);
+
     RadixTree<E> mytree;
     std::atomic<uint32_t> success{0};
     std::vector<std::thread> threads;
 
-    for (int i = 0; i < THREADS; i++) {
+    for (int i = 0; i < nThreads; i++) {
         threads.push_back(std::thread([&] {
             MMIXLinearCongruentialGenerator lcg;
-            for (int j = 0; j < ELEMENTS; j++) {
+            for (int j = 0; j < nElements; j++) {
                 uint32_t v = lcg.next();
 
                 if (mytree.remove(v)) {
@@ -352,11 +352,11 @@
         t.join();
     }
 
-    BOOST_CHECK_EQUAL(success.load(), ELEMENTS);
+    BOOST_CHECK_EQUAL(success.load(), nElements);
 
     // All the elements have been inserted into the tree.
     MMIXLinearCongruentialGenerator lcg;
-    for (int i = 0; i < ELEMENTS; i++) {
+    for (int i = 0; i < nElements; i++) {
         uint32_t v = lcg.next();
         BOOST_CHECK_EQUAL(mytree.get(v)->getId(), v);
         auto ptr = RCUPtr<E>::make(v);