diff --git a/lib/app/endpoint/home.rb b/lib/app/endpoint/home.rb
index 3dd157a3f..6be121db3 100644
--- a/lib/app/endpoint/home.rb
+++ b/lib/app/endpoint/home.rb
@@ -10,6 +10,7 @@ class Endpoint
       # Home serves the main web application.
       class Home < Endpoint
         helpers Sinatra::Cookies
+
         # Set the url prefix these routes will map to
         set :prefix, "/#{base_path}"
 
diff --git a/lib/app/endpoint/oauth2_endpoints.rb b/lib/app/endpoint/oauth2_endpoints.rb
index d251cae1d..b4fc5632e 100644
--- a/lib/app/endpoint/oauth2_endpoints.rb
+++ b/lib/app/endpoint/oauth2_endpoints.rb
@@ -60,13 +60,14 @@ def resume_execution
 
               client = FHIR::Client.for_testing_instance(@instance)
               sequence = test_case.sequence.new(@instance, client, settings.disable_tls_tests, sequence_result)
-              first_test_count = sequence.test_count
 
               timer_count = 0
               stayalive_timer_seconds = 20
 
               finished = false
 
+              total_tests = sequence_result.group_run ? test_group.test_cases.map { |test| test.sequence.test_count }.reduce(:+) : sequence.test_count
+
               stream :keep_open do |out|
                 EventMachine::PeriodicTimer.new(stayalive_timer_seconds) do
                   timer_count += 1
@@ -85,19 +86,25 @@ def resume_execution
 
                 out << js_hide_wait_modal
                 out << js_show_test_modal
-                count = sequence_result.result_count
 
-                submitted_test_cases_count = sequence_result.next_test_cases.split(',')
-                total_tests = submitted_test_cases_count.reduce(first_test_count) do |total, set|
-                  sequence_test_count = test_set.test_case_by_id(set).sequence.test_count
-                  total + sequence_test_count
-                end
+                previous_test_sequence_ids = sequence_result.group_run ? test_group.test_cases.map(&:id)&.split(sequence_result.test_case_id)&.first : []
+                previous_test_sequence_ids << sequence_result.test_case_id
+                previous_test_results = @instance.previous_test_results(previous_test_sequence_ids)
 
+                prev_count = previous_test_results.length
+                count = prev_count
                 sequence_result = sequence.resume(request, headers, request.params, @error_message) do |result|
+                  if count > prev_count
+                    rerun = nil
+                  else
+                    previous_test_results[-1] = result.result
+                    rerun = previous_test_results
+                  end
                   count += 1
-                  out << js_update_result(sequence, test_set, result, count, sequence.test_count, count, total_tests)
+                  out << js_update_result(sequence, test_set, result, count, sequence.test_count, count, total_tests, rerun)
                   @instance.save!
                 end
+
                 all_test_cases << test_case.id
                 failed_test_cases << test_case.id if sequence_result.fail?
                 @instance.sequence_results.push(sequence_result)
@@ -119,7 +126,7 @@ def resume_execution
 
                 # continue processesing any afterwards
 
-                test_count = first_test_count
+                test_count = count
                 until next_test_case.nil?
                   test_case = test_set.test_case_by_id(next_test_case)
 
diff --git a/lib/app/endpoint/test_set_endpoints.rb b/lib/app/endpoint/test_set_endpoints.rb
index 05d7d38d4..7646dfb19 100644
--- a/lib/app/endpoint/test_set_endpoints.rb
+++ b/lib/app/endpoint/test_set_endpoints.rb
@@ -133,6 +133,7 @@ def self.included(klass)
               sequence_test_count = test_set.test_case_by_id(set).sequence.test_count
               total + sequence_test_count
             end
+            total_test_sequences = submitted_test_cases.count
 
             test_group = nil
             test_group = test_set.test_case_by_id(submitted_test_cases.first).test_group
@@ -184,6 +185,7 @@ def self.included(klass)
                 end
 
                 sequence_result.next_test_cases = ([next_test_case] + submitted_test_cases).join(',')
+                sequence_result.group_run = total_test_sequences > 1
 
                 all_test_cases << test_case.id
                 failed_test_cases << test_case.id if sequence_result.fail?
diff --git a/lib/app/helpers/browser_logic.rb b/lib/app/helpers/browser_logic.rb
index 053080902..1282190f2 100644
--- a/lib/app/helpers/browser_logic.rb
+++ b/lib/app/helpers/browser_logic.rb
@@ -16,7 +16,7 @@ def js_stayalive(time)
           "<script>console.log('Time running: ' + #{time})</script>"
         end
 
-        def js_update_result(sequence, _test_set, _result, set_count, set_total, count, total)
+        def js_update_result(sequence, _test_set, result, set_count, set_total, count, total, rerun = nil)
           cancel_button =
             if sequence.sequence_result
               "<a href=\"sequence_result/#{sequence.sequence_result.id}/cancel\" class=\"btn btn-secondary\">Cancel Sequence</a>"
@@ -24,13 +24,22 @@ def js_update_result(sequence, _test_set, _result, set_count, set_total, count,
               ''
             end
 
+          width = (1.0 / total) * 100
+          rerun_html = ''
+          if rerun.present?
+            rerun.each { |run| rerun_html += "<div class='progress-bar progress-bar-#{run}' role='progressbar' aria-valuenow='#{width}' aria-valuemin='0' aria-valuemax='100' style='width: #{width}%;'></div>" }
+          end
+          result_html = "<div class='progress-bar progress-bar-#{result.result}' role='progressbar' aria-valuenow='#{width}' aria-valuemin='0' aria-valuemax='100' style='width: #{width}%;'></div>"
+
           %(
             <script>
               $('#testsRunningModal').find('.number-complete:last').html('(#{set_count} of #{set_total} #{sequence.class.title} tests complete)');
               $('#testsRunningModal .modal-footer').html('#{cancel_button}');
               var progress = Math.round((#{count}/#{total}) * 100);
               console.log('js_update_result (' + progress + ')');
-              $('#progress-bar').attr('aria-valuenow', progress).css('width', progress + '%');
+              $('#current-progress').text(progress + '%');
+              $(document.getElementsByClassName('progress')).append(\"#{rerun_html}\");
+              $(document.getElementsByClassName('progress')).append(\"#{result_html}\");
             </script>
           )
         end
diff --git a/lib/app/models/sequence_result.rb b/lib/app/models/sequence_result.rb
index 2e9dc88e0..b5515aff7 100644
--- a/lib/app/models/sequence_result.rb
+++ b/lib/app/models/sequence_result.rb
@@ -35,6 +35,8 @@ class SequenceResult
 
       property :created_at, DateTime, default: proc { DateTime.now }
 
+      property :group_run, Boolean
+
       has n, :test_results, order: [:test_index.asc]
       belongs_to :testing_instance
 
diff --git a/lib/app/models/testing_instance.rb b/lib/app/models/testing_instance.rb
index e91bb7e93..d88b03151 100644
--- a/lib/app/models/testing_instance.rb
+++ b/lib/app/models/testing_instance.rb
@@ -58,6 +58,12 @@ class TestingInstance
       has n, :supported_resources, order: [:index.asc]
       has n, :resource_references
 
+      def previous_test_results(previous_sequence_ids)
+        previous_test_cases = previous_sequence_ids.map { |sequence_id| latest_results_by_case[sequence_id.to_s] }
+        previous_test_results = previous_test_cases.map { |test_case| test_case&.test_results&.map(&:result) }
+        previous_test_results.flatten
+      end
+
       def latest_results
         sequence_results.each_with_object({}) do |result, hash|
           hash[result.name] = result if hash[result.name].nil? || hash[result.name].created_at < result.created_at
diff --git a/lib/app/views/default.erb b/lib/app/views/default.erb
index be834ea43..aae6ea392 100644
--- a/lib/app/views/default.erb
+++ b/lib/app/views/default.erb
@@ -381,9 +381,8 @@
         <div class="modal-body">
           Tests are currently running <span class="number-complete"></span>
           <p>
-            <div class="progress">
-              <div class="progress-bar progress-bar-success progress-bar-striped active" id="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%"></div>
-            </div>
+            <div class="progress" id="progress-bar"></div>
+            <span id="current-progress"> 0% </span>
           </p>
         </div>
 
diff --git a/lib/app/views/guided.erb b/lib/app/views/guided.erb
index 1ab37188a..1536b7ad9 100644
--- a/lib/app/views/guided.erb
+++ b/lib/app/views/guided.erb
@@ -549,9 +549,8 @@
         <div class="modal-body">
           Tests are currently running <span class="number-complete"></span>
           <p>
-            <div class="progress">
-              <div class="progress-bar progress-bar-success progress-bar-striped active" id="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%"></div>
-            </div>
+            <div class="progress" id="progress-bar"></div>
+            <span id="current-progress"> 0% </span>
           </p>
         </div>
 
diff --git a/public/css/styles.css b/public/css/styles.css
index b7538e2fc..c2c6d3502 100644
--- a/public/css/styles.css
+++ b/public/css/styles.css
@@ -249,10 +249,6 @@ body {
 
 }
 
-.progress .progress-bar.active {
-  background-color: #f98718;
-}
-
 #PrerequisitesModal label {
   margin-bottom: .1rem;
   text-transform: uppercase;
@@ -1173,6 +1169,34 @@ body {
   /* background-image: url("../images/guided-background.png"); */
 }
 
+#progress-bar .progress-bar-pass {
+  background-color: #28a745;
+}
+
+#progress-bar .progress-bar-fail {
+  background-color: #cb2431;
+}
+
+#progress-bar .progress-bar-skip {
+  background-color: #00e1e1;
+}
+
+#progress-bar .progress-bar-error {
+  background-color: #f0f;
+}
+
+#progress-bar .progress-bar-omit {
+  background-color: #999;
+}
+
+#progress-bar .progress-bar-wait {
+  background-color: #999;
+}
+
+#progress-bar .progress-bar-todo {
+  background-color: #999;
+}
+
 .tab-pane {
   display:none;
 }