Athletic timing device

1. A timing device for swimming, comprising:

a housing defining an aperture;

an elongated member extendable from the housing through the aperture in an extension direction;

a wheel rotatable about a wheel axle, wherein the elongated member is wrapped no more than one revolution about the wheel;

a reel including a spool rotatable about a spool axle and positioned at least partially rearward of the wheel along the extension direction and on an opposing side of the wheel from the aperture and positioned within the housing, wherein the elongated member is wrapped more than one revolution about the spool when the elongated member is extended an initial distance from the housing, and wherein the wheel axle is offset from the spool axle;

an attachment member coupled with an end portion of the elongated member and configured to couple to a swimmer;

an encoder coupled to the wheel axle and configured to calculate a rotational velocity of the wheel; and

a controller configured to calculate a linear velocity of the elongated member based on the rotational velocity of the wheel, wherein the elongated member is configured to move with the swimmer as the swimmer moves away from the housing.

2. The timing device of claim 1 , further comprising:

a user interface disposed on the timing device.

3. The timing device of claim 2 , further comprising:

one or more switches on the user interface and configured to control one or more features of the timing device.

4. The timing device of claim 2 , further comprising:

a display within the user interface.

5. The timing device of claim 1 , wherein the elongated member is fixed to a spool of the reel and returned to a position within the housing by winding around the spool.

6. The timing device of claim 5 , further comprising:

a motor operably coupled with the reel and configured to rewind the elongated member around the reel upon initiation of the motor.

7. The timing device of claim 5 , further comprising:

a clutch configured to disengage from the reel upon initiation of a clock.

8. The timing device of claim 7 , wherein the clutch re-engages the reel once the elongated member is extended a predefined distance from the housing.

9. The timing device of claim 1 , further comprising:

one or more wireless communication transceivers operably coupled to the controller and configured to interact with an electronic device.

10. The timing device of claim 9 , wherein the electronic device stores information about one or more users or a performance history of the user.

11. A timing device for swimming, comprising:

a housing having a first portion and a second portion separated by a divider, the first portion defining an aperture in the housing;

an elongated member extendable from the housing through the aperture;

a reel disposed within the first portion of the housing and configured to wind the elongated member therearound, wherein the reel is rotatable about a spool axle;

a wheel rotatable about a wheel axle, wherein the wheel axle is offset from the spool axle;

an encoder operably coupled with the wheel and configured to calculate a rotational velocity of the wheel, wherein a rotational axis of the encoder is non-parallel to a rotational axis of the reel; and

a controller disposed within the second portion and configured to calculate a linear velocity of the elongated member based on the rotational velocity of the wheel as a user moves from an initial distance from the housing to a predefined distance from the housing, the initial distance being less than the predefined distance.

12. The timing device of claim 11 , further comprising:

a wireless communication transceiver operably coupled to the controller and configured to interact with an electronic device.

13. The timing device of claim 11 , further comprising:

a user interface disposed on the timing device, the user interface containing a switch or a display therein.

14. The timing device of claim 11 , wherein the housing defines a first portion and a second portion separated by a divider, the aperture defined by a first side surface of the first portion and a drain defined by a bottom surface of the first portion.

15. A timing device, comprising:

a housing defining a compartment;

an elongated member extendable from the housing through an aperture defined by the housing in an extension direction;

a reel disposed within the housing, the elongated member configured to wrap more than one revolution about the reel, the reel rotatable about a first rotational axis;

a first wheel rotatable about a second rotational axis, the second rotational axis positioned forwardly of the first rotational axis rearwardly of the aperture relative to the extension axis, wherein the first wheel is configured to rotate through contact with a portion of the elongated member;

an encoder operably coupled to the first wheel, the encoder configured to calculate a rotational velocity of the first wheel; and

a controller operably coupled to the encoder and configured to calculate a linear velocity at which the elongated member is extended from the housing during a timing sequence based on a rotational velocity of the first wheel, wherein a generally consistent resistance is provided by the elongated member during the timing sequence, and wherein the elongated member is configured to be attached to a user and move with the user as the user moves from an initial distance from the housing to a predefined distance from the housing during the timing sequence.

16. The timing device of claim 15 , further comprising:

a second wheel disposed within the first portion and configured to guide the elongated member through the aperture.

17. The timing device of claim 15 , further comprising:

a wireless communication transceiver operably coupled to the controller and configured to interact with an electronic device.

18. The timing device of claim 17 , wherein the electronic device includes an application that creates one or more data displays based on data provided from the wireless communication transceiver.

19. The timing device of claim 15 , further comprising:

a gasket positioned within a divider separating the first portion and a second portion of the housing; and

a wire electrically coupling the encoder and the controller, wherein the wire extends through the gasket.

20. The timing device of claim 15 , wherein the elongated member is wound into the housing to remove slack in the elongated member between the housing and a user, and wherein the timing sequence proceeds once the elongated member reaches a predefined tension.