diff --git a/doc/cp.nvim.txt b/doc/cp.nvim.txt
index 3ef99be..53c0ed7 100644
--- a/doc/cp.nvim.txt
+++ b/doc/cp.nvim.txt
@@ -184,6 +184,11 @@ Here's an example configuration with lazy.nvim:
         debug = false,
         ui = {
           ansi = true,
+          run = {
+            width = 0.3,
+            next_test_key = '<c-n>',  -- or nil to disable
+            prev_test_key = '<c-p>',  -- or nil to disable
+          },
           panel = {
             diff_mode = 'vim',
             max_output_lines = 50,
@@ -278,10 +283,20 @@ run CSES problems with Rust using the single schema:
     Fields: ~
         {ansi}          (boolean, default: true) Enable ANSI color parsing
                         and highlighting in both I/O view and panel.
+        {run}           (|RunConfig|) I/O view configuration.
         {panel}         (|PanelConfig|) Test panel behavior configuration.
         {diff}          (|DiffConfig|) Diff backend configuration.
         {picker}        (string|nil) 'telescope', 'fzf-lua', or nil.
 
+                                                                  *RunConfig*
+    Fields: ~
+        {width}            (number, default: 0.3) Width of I/O view splits as
+                           fraction of screen (0.0 to 1.0).
+        {next_test_key}    (string|nil, default: '<c-n>') Keymap to navigate
+                           to next test in I/O view. Set to nil to disable.
+        {prev_test_key}    (string|nil, default: '<c-p>') Keymap to navigate
+                           to previous test in I/O view. Set to nil to disable.
+
                                                               *cp.PanelConfig*
     Fields: ~
         {diff_mode}        (string, default: "none") Diff backend: "none",
@@ -445,6 +460,12 @@ Usage ~
     :CP run             Run all tests
     :CP run 3           Run test 3 only
 
+Navigation ~
+
+While in the I/O view buffers, use the configured keymaps to cycle through tests:
+    <c-n>               Next test (default, see |RunConfig|.next_test_key)
+    <c-p>               Previous test (default, see |RunConfig|.prev_test_key)
+
 Buffer Customization ~
 
 Use the setup_io_input and setup_io_output hooks (see |cp.Hooks|) to customize
diff --git a/lua/cp/config.lua b/lua/cp/config.lua
index 26767e7..069cf75 100644
--- a/lua/cp/config.lua
+++ b/lua/cp/config.lua
@@ -36,6 +36,8 @@
 
 ---@class RunConfig
 ---@field width number
+---@field next_test_key string|nil
+---@field prev_test_key string|nil
 
 ---@class CpUI
 ---@field ansi boolean
@@ -120,7 +122,7 @@ M.defaults = {
   filename = nil,
   ui = {
     ansi = true,
-    run = { width = 0.3 },
+    run = { width = 0.3, next_test_key = '<c-n>', prev_test_key = '<c-p>' },
     panel = { diff_mode = 'none', max_output_lines = 50 },
     diff = {
       git = {
@@ -278,6 +280,20 @@ function M.setup(user_config)
       'positive integer',
     },
     git = { cfg.ui.diff.git, { 'table' } },
+    next_test_key = {
+      cfg.ui.run.next_test_key,
+      function(v)
+        return v == nil or (type(v) == 'string' and #v > 0)
+      end,
+      'nil or non-empty string',
+    },
+    prev_test_key = {
+      cfg.ui.run.prev_test_key,
+      function(v)
+        return v == nil or (type(v) == 'string' and #v > 0)
+      end,
+      'nil or non-empty string',
+    },
   })
 
   for id, lang in pairs(cfg.languages) do
diff --git a/lua/cp/ui/panel.lua b/lua/cp/ui/panel.lua
index 5954ca8..3b31029 100644
--- a/lua/cp/ui/panel.lua
+++ b/lua/cp/ui/panel.lua
@@ -273,18 +273,23 @@ function M.ensure_io_view()
       M.run_io_view(new_index)
     end
 
-    vim.keymap.set('n', '<c-n>', function()
-      navigate_test(1)
-    end, { buffer = output_buf, silent = true, desc = 'Next test' })
-    vim.keymap.set('n', '<c-p>', function()
-      navigate_test(-1)
-    end, { buffer = output_buf, silent = true, desc = 'Previous test' })
-    vim.keymap.set('n', '<c-n>', function()
-      navigate_test(1)
-    end, { buffer = input_buf, silent = true, desc = 'Next test' })
-    vim.keymap.set('n', '<c-p>', function()
-      navigate_test(-1)
-    end, { buffer = input_buf, silent = true, desc = 'Previous test' })
+    if config.ui.run.next_test_key then
+      vim.keymap.set('n', config.ui.run.next_test_key, function()
+        navigate_test(1)
+      end, { buffer = output_buf, silent = true, desc = 'Next test' })
+      vim.keymap.set('n', config.ui.run.next_test_key, function()
+        navigate_test(1)
+      end, { buffer = input_buf, silent = true, desc = 'Next test' })
+    end
+
+    if config.ui.run.prev_test_key then
+      vim.keymap.set('n', config.ui.run.prev_test_key, function()
+        navigate_test(-1)
+      end, { buffer = output_buf, silent = true, desc = 'Previous test' })
+      vim.keymap.set('n', config.ui.run.prev_test_key, function()
+        navigate_test(-1)
+      end, { buffer = input_buf, silent = true, desc = 'Previous test' })
+    end
   end
 
   utils.update_buffer_content(input_buf, {})