# Tool.isSprinting

Returns whether the player is currently sprinting.

**Kind:** Function

**Environments:** Game

## Game

``` { .lua .api-signature }
tool:isSprinting(  )
```

[Open the full Game reference](../Game-Script-Environment/Userdata/Tool.md#issprinting)

**Availability:** Client only

**Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| `tool` | [Tool](../Game-Script-Environment/Userdata/Tool.md) | The tool. |

**Returns:**

| Type | Description |
| --- | --- |
| boolean | Whether the player is sprinting. |