diff --git a/lua/neotest-golang/options.lua b/lua/neotest-golang/options.lua
index 9e8f7f21..84053aa7 100644
--- a/lua/neotest-golang/options.lua
+++ b/lua/neotest-golang/options.lua
@@ -5,11 +5,9 @@
 local M = {}
 
 local opts = {
-  go_test_args = {
-    "-v",
-    "-race",
-    "-count=1",
-  },
+  runner = "go", -- or "gotestsum"
+  go_test_args = { "-v", "-race", "-count=1" },
+  gotestsum_args = { "--format=standard-verbose" },
   dap_go_enabled = false,
   dap_go_opts = {},
   warn_test_name_dupes = true,
diff --git a/lua/neotest-golang/parse.lua b/lua/neotest-golang/parse.lua
index 5fe03fb4..5180e769 100644
--- a/lua/neotest-golang/parse.lua
+++ b/lua/neotest-golang/parse.lua
@@ -43,9 +43,14 @@ function M.results(spec, result, tree)
   --- @type neotest.Position
   local pos = tree:data()
 
-  --- The raw output from the 'go test -json' command.
+  --- The raw output from the test command.
   --- @type table
-  local raw_output = async.fn.readfile(result.output)
+  local raw_output = {}
+  if options.get().runner == "go" then
+    raw_output = async.fn.readfile(result.output)
+  elseif options.get().runner == "gotestsum" then
+    raw_output = async.fn.readfile(spec.context.jsonfile)
+  end
 
   --- The 'go test' JSON output, converted into a lua table.
   --- @type table
diff --git a/lua/neotest-golang/runspec_dir.lua b/lua/neotest-golang/runspec_dir.lua
index 7e8974d9..515e5c33 100644
--- a/lua/neotest-golang/runspec_dir.lua
+++ b/lua/neotest-golang/runspec_dir.lua
@@ -3,6 +3,7 @@
 
 local options = require("neotest-golang.options")
 local json = require("neotest-golang.json")
+local async = require("neotest.async")
 
 local M = {}
 
@@ -114,22 +115,45 @@ end
 --- @param module_name string
 --- @return neotest.RunSpec | neotest.RunSpec[] | nil
 function M.build_dir_test_runspec(pos, cwd, golist_output, module_name)
-  local gotest = {
-    "go",
-    "test",
-    "-json",
-  }
-
   --- @type table
   local required_go_test_args = {
     module_name,
   }
 
-  local combined_args = vim.list_extend(
-    vim.deepcopy(options.get().go_test_args),
-    required_go_test_args
-  )
-  local gotest_command = vim.list_extend(vim.deepcopy(gotest), combined_args)
+  local gotest_command = {}
+  local jsonfile = ""
+
+  if options.get().runner == "go" then
+    local gotest = {
+      "go",
+      "test",
+      "-json",
+    }
+
+    local combined_args = vim.list_extend(
+      vim.deepcopy(options.get().go_test_args),
+      required_go_test_args
+    )
+    gotest_command = vim.list_extend(vim.deepcopy(gotest), combined_args)
+  elseif options.get().runner == "gotestsum" then
+    jsonfile = vim.fs.normalize(async.fn.tempname())
+    local gotest = { "gotestsum" }
+    local gotestsum_json = {
+      "--jsonfile=" .. jsonfile,
+      "--",
+    }
+    local gotest_args = vim.list_extend(
+      vim.deepcopy(options.get().go_test_args),
+      required_go_test_args
+    )
+
+    local cmd =
+      vim.list_extend(vim.deepcopy(gotest), options.get().gotestsum_args)
+    cmd = vim.list_extend(vim.deepcopy(cmd), gotestsum_json)
+    cmd = vim.list_extend(vim.deepcopy(cmd), gotest_args)
+
+    gotest_command = cmd
+  end
 
   --- @type neotest.RunSpec
   local run_spec = {
@@ -143,6 +167,10 @@ function M.build_dir_test_runspec(pos, cwd, golist_output, module_name)
     },
   }
 
+  if jsonfile ~= nil then
+    run_spec.context.jsonfile = jsonfile
+  end
+
   return run_spec
 end
 
diff --git a/lua/neotest-golang/runspec_test.lua b/lua/neotest-golang/runspec_test.lua
index 0fdeacad..f922b957 100644
--- a/lua/neotest-golang/runspec_test.lua
+++ b/lua/neotest-golang/runspec_test.lua
@@ -3,6 +3,7 @@
 local convert = require("neotest-golang.convert")
 local options = require("neotest-golang.options")
 local json = require("neotest-golang.json")
+local async = require("neotest.async")
 
 local M = {}
 
@@ -33,20 +34,43 @@ function M.build(pos, strategy)
   local test_name = convert.to_gotest_test_name(pos.id)
   test_name = convert.to_gotest_regex_pattern(test_name)
 
-  local gotest = {
-    "go",
-    "test",
-    "-json",
-  }
-
   --- @type table
   local required_go_test_args = { test_folder_absolute_path, "-run", test_name }
 
-  local combined_args = vim.list_extend(
-    vim.deepcopy(options.get().go_test_args),
-    required_go_test_args
-  )
-  local gotest_command = vim.list_extend(vim.deepcopy(gotest), combined_args)
+  local gotest_command = {}
+  local jsonfile = ""
+
+  if options.get().runner == "go" then
+    local gotest = {
+      "go",
+      "test",
+      "-json",
+    }
+
+    local combined_args = vim.list_extend(
+      vim.deepcopy(options.get().go_test_args),
+      required_go_test_args
+    )
+    gotest_command = vim.list_extend(vim.deepcopy(gotest), combined_args)
+  elseif options.get().runner == "gotestsum" then
+    jsonfile = vim.fs.normalize(async.fn.tempname())
+    local gotest = { "gotestsum" }
+    local gotestsum_json = {
+      "--jsonfile=" .. jsonfile,
+      "--",
+    }
+    local gotest_args = vim.list_extend(
+      vim.deepcopy(options.get().go_test_args),
+      required_go_test_args
+    )
+
+    local cmd =
+      vim.list_extend(vim.deepcopy(gotest), options.get().gotestsum_args)
+    cmd = vim.list_extend(vim.deepcopy(cmd), gotestsum_json)
+    cmd = vim.list_extend(vim.deepcopy(cmd), gotest_args)
+
+    gotest_command = cmd
+  end
 
   --- @type neotest.RunSpec
   local run_spec = {
@@ -60,6 +84,10 @@ function M.build(pos, strategy)
     },
   }
 
+  if jsonfile ~= nil then
+    run_spec.context.jsonfile = jsonfile
+  end
+
   -- set up for debugging of test
   if strategy == "dap" then
     run_spec.strategy = M.get_dap_config(test_name)
diff --git a/tests/unit/options_spec.lua b/tests/unit/options_spec.lua
index 9ca4ca35..acf3d502 100644
--- a/tests/unit/options_spec.lua
+++ b/tests/unit/options_spec.lua
@@ -5,11 +5,13 @@ describe("Options are set up", function()
     local expected_options = {
       dap_go_enabled = false,
       dap_go_opts = {},
+      runner = "go",
       go_test_args = {
         "-v",
         "-race",
         "-count=1",
       },
+      gotestsum_args = { "--format=standard-verbose" },
       warn_test_name_dupes = true,
       warn_test_not_executed = true,
       dev_notifications = false,
@@ -22,12 +24,14 @@ describe("Options are set up", function()
     local expected_options = {
       dap_go_enabled = false,
       dap_go_opts = {},
+      runner = "go",
       go_test_args = {
         "-v",
         "-race",
         "-count=1",
         "-parallel=1", -- non-default
       },
+      gotestsum_args = { "--format=standard-verbose" },
       warn_test_name_dupes = true,
       warn_test_not_executed = true,
       dev_notifications = false,