diff --git a/tools/internal_ci/helper_scripts/prepare_build_linux_rc b/tools/internal_ci/helper_scripts/prepare_build_linux_rc
index 2ade8dac51f..ea2a17f2bcf 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_linux_rc
+++ b/tools/internal_ci/helper_scripts/prepare_build_linux_rc
@@ -32,11 +32,4 @@ PYTHONWARNINGS=ignore XDG_CACHE_HOME=/tmp/xdg-cache-home sudo -E pip install cov
 # Download Docker images from DockerHub
 export DOCKERHUB_ORGANIZATION=grpctesting
 
-# If this is a PR using RUN_TESTS_FLAGS var, then add flags to filter tests
-if [ -n "$KOKORO_GITHUB_PULL_REQUEST_NUMBER" ] && [ -n "$RUN_TESTS_FLAGS" ]; then
-  sudo apt-get install -y jq
-  ghprbTargetBranch=$(curl -s https://api.github.com/repos/grpc/grpc/pulls/$KOKORO_GITHUB_PULL_REQUEST_NUMBER | jq -r .base.ref)
-  export RUN_TESTS_FLAGS="$RUN_TESTS_FLAGS --filter_pr_tests --base_branch origin/$ghprbTargetBranch"	
-fi
-
 git submodule update --init
diff --git a/tools/internal_ci/linux/grpc_interop_badserver_python.sh b/tools/internal_ci/linux/grpc_interop_badserver_python.sh
deleted file mode 100755
index c2bd4e79ac1..00000000000
--- a/tools/internal_ci/linux/grpc_interop_badserver_python.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -ex
-
-export LANG=en_US.UTF-8
-
-# Enter the gRPC repo root
-cd $(dirname $0)/../../..
-
-source tools/internal_ci/helper_scripts/prepare_build_linux_rc
-source tools/internal_ci/helper_scripts/prepare_build_interop_rc
-
-tools/run_tests/run_interop_tests.py -l python --use_docker --http2_server_interop
-
diff --git a/tools/internal_ci/linux/grpc_interop_tocloud.cfg b/tools/internal_ci/linux/grpc_interop_tocloud.cfg
index 2803616007a..13aec15770b 100644
--- a/tools/internal_ci/linux/grpc_interop_tocloud.cfg
+++ b/tools/internal_ci/linux/grpc_interop_tocloud.cfg
@@ -15,8 +15,7 @@
 # Config file for the internal CI (in protobuf text format)
 
 # Location of the continuous shell script in repository.
-build_file: "grpc/tools/internal_ci/linux/grpc_interop_tocloud.sh"
-# grpc_interop tests can take 6+ hours to complete.
+build_file: "grpc/tools/internal_ci/linux/grpc_run_interop_tests.sh"
 timeout_mins: 60
 action {
   define_artifacts {
@@ -24,3 +23,8 @@ action {
     regex: "github/grpc/reports/**"
   }
 }
+
+env_vars {
+  key: "RUN_TESTS_FLAGS"
+  value: "-l all -s all --use_docker --http2_interop --internal_ci -t -j 12 --bq_result_table interop_results"
+}
diff --git a/tools/internal_ci/linux/grpc_interop_tocloud.sh b/tools/internal_ci/linux/grpc_interop_tocloud.sh
deleted file mode 100755
index e3ba25af5df..00000000000
--- a/tools/internal_ci/linux/grpc_interop_tocloud.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -ex
-
-export LANG=en_US.UTF-8
-
-# Enter the gRPC repo root
-cd $(dirname $0)/../../..
-
-source tools/internal_ci/helper_scripts/prepare_build_linux_rc
-source tools/internal_ci/helper_scripts/prepare_build_interop_rc
-
-tools/run_tests/run_interop_tests.py -l all -s all --use_docker --http2_interop --internal_ci -t -j 12 $@
diff --git a/tools/internal_ci/linux/grpc_interop_toprod.cfg b/tools/internal_ci/linux/grpc_interop_toprod.cfg
index 903480a3d18..8d025c4f60d 100644
--- a/tools/internal_ci/linux/grpc_interop_toprod.cfg
+++ b/tools/internal_ci/linux/grpc_interop_toprod.cfg
@@ -15,8 +15,7 @@
 # Config file for the internal CI (in protobuf text format)
 
 # Location of the continuous shell script in repository.
-build_file: "grpc/tools/internal_ci/linux/grpc_interop_toprod.sh"
-# grpc_interop tests can take 6+ hours to complete.
+build_file: "grpc/tools/internal_ci/linux/grpc_run_interop_tests.sh"
 timeout_mins: 60
 action {
   define_artifacts {
@@ -25,3 +24,7 @@ action {
   }
 }
 
+env_vars {
+  key: "RUN_TESTS_FLAGS"
+  value: "-l all --cloud_to_prod --cloud_to_prod_auth --prod_servers default gateway_v4 --use_docker --internal_ci -t -j 12 --bq_result_table interop_results"
+}
diff --git a/tools/internal_ci/linux/grpc_interop_toprod.sh b/tools/internal_ci/linux/grpc_interop_toprod.sh
deleted file mode 100755
index 97a7d5d2393..00000000000
--- a/tools/internal_ci/linux/grpc_interop_toprod.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2017 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -ex
-
-export LANG=en_US.UTF-8
-
-# Enter the gRPC repo root
-cd $(dirname $0)/../../..
-
-source tools/internal_ci/helper_scripts/prepare_build_linux_rc
-source tools/internal_ci/helper_scripts/prepare_build_interop_rc
-
-tools/run_tests/run_interop_tests.py \
-    -l all \
-    --cloud_to_prod \
-    --cloud_to_prod_auth \
-    --prod_servers default gateway_v4 \
-    --use_docker --internal_ci --allow_flakes -t -j 12 $@
-
diff --git a/tools/internal_ci/linux/grpc_interop_badserver_java.sh b/tools/internal_ci/linux/grpc_run_interop_tests.sh
similarity index 88%
rename from tools/internal_ci/linux/grpc_interop_badserver_java.sh
rename to tools/internal_ci/linux/grpc_run_interop_tests.sh
index d25845ca507..1f4eda2d529 100755
--- a/tools/internal_ci/linux/grpc_interop_badserver_java.sh
+++ b/tools/internal_ci/linux/grpc_run_interop_tests.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 # Copyright 2017 gRPC authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,5 +23,4 @@ cd $(dirname $0)/../../..
 source tools/internal_ci/helper_scripts/prepare_build_linux_rc
 source tools/internal_ci/helper_scripts/prepare_build_interop_rc
 
-tools/run_tests/run_interop_tests.py -l java --use_docker --http2_server_interop
-
+tools/run_tests/run_interop_tests.py $RUN_TESTS_FLAGS
diff --git a/tools/internal_ci/linux/grpc_run_tests_matrix.sh b/tools/internal_ci/linux/grpc_run_tests_matrix.sh
index bd1430b7415..1018708f967 100755
--- a/tools/internal_ci/linux/grpc_run_tests_matrix.sh
+++ b/tools/internal_ci/linux/grpc_run_tests_matrix.sh
@@ -20,6 +20,13 @@ cd $(dirname $0)/../../..
 
 source tools/internal_ci/helper_scripts/prepare_build_linux_rc
 
+# If this is a PR using RUN_TESTS_FLAGS var, then add flags to filter tests
+if [ -n "$KOKORO_GITHUB_PULL_REQUEST_NUMBER" ] && [ -n "$RUN_TESTS_FLAGS" ]; then
+  sudo apt-get install -y jq
+  ghprbTargetBranch=$(curl -s https://api.github.com/repos/grpc/grpc/pulls/$KOKORO_GITHUB_PULL_REQUEST_NUMBER | jq -r .base.ref)
+  export RUN_TESTS_FLAGS="$RUN_TESTS_FLAGS --filter_pr_tests --base_branch origin/$ghprbTargetBranch"
+fi
+
 tools/run_tests/run_tests_matrix.py $RUN_TESTS_FLAGS || FAILED="true"
 
 # Reveal leftover processes that might be left behind by the build
diff --git a/tools/internal_ci/linux/grpc_interop_badserver_java.cfg b/tools/internal_ci/linux/pull_request/grpc_interop_tocloud.cfg
similarity index 76%
rename from tools/internal_ci/linux/grpc_interop_badserver_java.cfg
rename to tools/internal_ci/linux/pull_request/grpc_interop_tocloud.cfg
index dc2114273ea..cb18e8e8682 100644
--- a/tools/internal_ci/linux/grpc_interop_badserver_java.cfg
+++ b/tools/internal_ci/linux/pull_request/grpc_interop_tocloud.cfg
@@ -15,12 +15,16 @@
 # Config file for the internal CI (in protobuf text format)
 
 # Location of the continuous shell script in repository.
-build_file: "grpc/tools/internal_ci/linux/grpc_interop_badserver_java.sh"
-# grpc_interop tests can take 6+ hours to complete.
-timeout_mins: 480
+build_file: "grpc/tools/internal_ci/linux/grpc_run_interop_tests.sh"
+timeout_mins: 60
 action {
   define_artifacts {
-    regex: "**/report.xml"
+    regex: "**/sponge_log.xml"
     regex: "github/grpc/reports/**"
   }
 }
+
+env_vars {
+  key: "RUN_TESTS_FLAGS"
+  value: "-l all -s all --use_docker --http2_interop --internal_ci -t -j 12"
+}
diff --git a/tools/internal_ci/linux/grpc_interop_badserver_python.cfg b/tools/internal_ci/linux/pull_request/grpc_interop_toprod.cfg
similarity index 72%
rename from tools/internal_ci/linux/grpc_interop_badserver_python.cfg
rename to tools/internal_ci/linux/pull_request/grpc_interop_toprod.cfg
index ec738fcf74a..e141d9f6486 100644
--- a/tools/internal_ci/linux/grpc_interop_badserver_python.cfg
+++ b/tools/internal_ci/linux/pull_request/grpc_interop_toprod.cfg
@@ -15,12 +15,16 @@
 # Config file for the internal CI (in protobuf text format)
 
 # Location of the continuous shell script in repository.
-build_file: "grpc/tools/internal_ci/linux/grpc_interop_badserver_python.sh"
-# grpc_interop tests can take 6+ hours to complete.
-timeout_mins: 480
+build_file: "grpc/tools/internal_ci/linux/grpc_run_interop_tests.sh"
+timeout_mins: 60
 action {
   define_artifacts {
-    regex: "**/report.xml"
+    regex: "**/sponge_log.xml"
     regex: "github/grpc/reports/**"
   }
 }
+
+env_vars {
+  key: "RUN_TESTS_FLAGS"
+  value: "-l all --allow_flakes --cloud_to_prod --cloud_to_prod_auth --prod_servers default gateway_v4 --use_docker --internal_ci -t -j 12"
+}
diff --git a/tools/run_tests/python_utils/upload_test_results.py b/tools/run_tests/python_utils/upload_test_results.py
index 15e827769e1..ea97bc0aec1 100644
--- a/tools/run_tests/python_utils/upload_test_results.py
+++ b/tools/run_tests/python_utils/upload_test_results.py
@@ -51,6 +51,19 @@ _RESULTS_SCHEMA = [
   ('cpu_measured', 'FLOAT', 'Actual CPU usage of test'),
   ('return_code', 'INTEGER', 'Exit code of test'),
 ]
+_INTEROP_RESULTS_SCHEMA = [
+  ('job_name', 'STRING', 'Name of Jenkins/Kokoro job'),
+  ('build_id', 'INTEGER', 'Build ID of Jenkins/Kokoro job'),
+  ('build_url', 'STRING', 'URL of Jenkins/Kokoro job'),
+  ('test_name', 'STRING', 'Unique test name combining client, server, and test_name'),
+  ('suite', 'STRING', 'Test suite: cloud_to_cloud, cloud_to_prod, or cloud_to_prod_auth'),
+  ('client', 'STRING', 'Client language'),
+  ('server', 'STRING', 'Server host name'),
+  ('test_case', 'STRING', 'Name of test case'),
+  ('result', 'STRING', 'Test result: PASSED, TIMEOUT, FAILED, or SKIPPED'),
+  ('timestamp', 'TIMESTAMP', 'Timestamp of test run'),
+  ('elapsed_time', 'FLOAT', 'How long test took to run'),
+]
 
 
 def _get_build_metadata(test_results):
@@ -114,3 +127,41 @@ def upload_results_to_bq(resultset, bq_table, args, platform):
           else:
             print('Error uploading result to bigquery, all attempts failed.')
             sys.exit(1)
+
+
+def upload_interop_results_to_bq(resultset, bq_table, args):
+  """Upload interop test results to a BQ table.
+
+  Args:
+      resultset: dictionary generated by jobset.run
+      bq_table: string name of table to create/upload results to in BQ
+      args: args in run_interop_tests.py, generated by argparse
+  """
+  bq = big_query_utils.create_big_query()
+  big_query_utils.create_partitioned_table(bq, _PROJECT_ID, _DATASET_ID, bq_table, _INTEROP_RESULTS_SCHEMA, _DESCRIPTION,
+                                           partition_type=_PARTITION_TYPE, expiration_ms= _EXPIRATION_MS)
+
+  for shortname, results in six.iteritems(resultset):
+    for result in results:
+      test_results = {}
+      _get_build_metadata(test_results)
+      test_results['elapsed_time'] = '%.2f' % result.elapsed_time
+      test_results['result'] = result.state
+      test_results['test_name'] = shortname
+      test_results['suite'] = shortname.split(':')[0]
+      test_results['client'] = shortname.split(':')[1]
+      test_results['server'] = shortname.split(':')[2]
+      test_results['test_case'] = shortname.split(':')[3]
+      test_results['timestamp'] = time.strftime('%Y-%m-%d %H:%M:%S')
+      row = big_query_utils.make_row(str(uuid.uuid4()), test_results)
+      # TODO(jtattermusch): rows are inserted one by one, very inefficient
+      max_retries = 3
+      for attempt in range(max_retries):
+        if big_query_utils.insert_rows(bq, _PROJECT_ID, _DATASET_ID, bq_table, [row]):
+          break
+        else:
+          if attempt < max_retries - 1:
+            print('Error uploading result to bigquery, will retry.')
+          else:
+            print('Error uploading result to bigquery, all attempts failed.')
+            sys.exit(1)
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 1537641aee9..192f8e76eb4 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -35,6 +35,11 @@ import traceback
 import python_utils.dockerjob as dockerjob
 import python_utils.jobset as jobset
 import python_utils.report_utils as report_utils
+# It's ok to not import because this is only necessary to upload results to BQ.
+try:
+  from python_utils.upload_test_results import upload_interop_results_to_bq
+except ImportError as e:
+  print(e)
 
 # Docker doesn't clean up after itself, so we do it on exit.
 atexit.register(lambda: subprocess.call(['stty', 'echo']))
@@ -956,6 +961,11 @@ argp.add_argument('--internal_ci',
                   const=True,
                   help=('Put reports into subdirectories to improve '
                         'presentation of results by Internal CI.'))
+argp.add_argument('--bq_result_table',
+                  default='',
+                  type=str,
+                  nargs='?',
+                  help='Upload test results to a specified BQ table.')
 args = argp.parse_args()
 
 servers = set(s for s in itertools.chain.from_iterable(_SERVERS
@@ -1205,6 +1215,8 @@ try:
   num_failures, resultset = jobset.run(jobs, newline_on_success=True,
                                        maxjobs=args.jobs,
                                        skip_jobs=args.manual_run)
+  if args.bq_result_table and resultset:
+    upload_interop_results_to_bq(resultset, args.bq_result_table, args)
   if num_failures:
     jobset.message('FAILED', 'Some tests failed', do_newline=True)
   else: