Rules

10K | 2.4mile | 1mile | 1000yard | 250yard

10K Rules

Eligibility:

The 10K event is open to all USS and USMS registered swimmers at least 18 years of age as of August 10, 2008.

Swimmers who have NOT previously completed the Horsetooth 10K Swim are required to obtain approval prior to registration from George Thorton or Joe Bakel by describing their past experience in long distance open water swimming and how they will prepare to swim 10K at approximately 5400 feet (1700 meters) in 62 to 70° F (16 to 21°C) water. We require approval for safety reasons. See the FAQ for description of the challenges of this event.

10K Rules

All USMS Long Distance Rules rules apply. USMS rules available here. Exceptions/Clarifications are listed below:

Drafting

Unlike many open water events, the Horsetooth 10K Swim allows no drafting except where unavoidable (ie the start). If a flagrant drafting is observed, that swimmer will be disqualified.

Swimsuit Definition

USMS (Part 102.14.1 and 2) swimwear rules apply. USMS rules available here. Exceptions/Clarifications are listed below:

Swimsuit Clarification

Both men and women are allowed suits that can go to just above the knees (jammer style) and can cover the shoulders as long as it is not made from material that gives floatation (ie torso-type suits are legal).

2.4 Mile Rules

[an error occurred while processing this directive]

Swimsuit Definition

USMS (Part 102.14.1 and 2) swimwear rules apply. USMS rules available here. Exceptions/Clarifications are listed below:

Swimsuit Clarification

Both men and women are allowed suits that can go to just above the knees (jammer style) and can cover the shoulders as long as it is not made from material that gives floatation (ie torso-type suits are legal).

1 Mile Rules

Eligibility:

The 1 mile event is open to all USS and USMS registered swimmers at least 13 years of age as of August 10, 2008. Swimmers should be able to complete the mile swim in under 21 minutes.

1 Mile Rules

No wetsuits are allowed for the 1mile swim. Female suits may have shoulders with short sleeves. Male swimmers may not wear "tops" and their jammers may extend to just above the knee.

1000 Yard Rules

Eligibility:

The 1000 yard event is open to all USS registered swimmers at least 10 years of age and no older than 18 as of August 10, 2008.

1000 yard Rules

No wetsuits are allowed for the 1000 yard swim. Female suits may have shoulders with short sleeves. Male swimmers may not wear "tops" and their jammers may extend to just above the knee.

250 Yard Rules

Eligibility:

The 250 yard event is open to all USS registered swimmers at least 8 years of age and no older than 10 years of age as of August 10, 2008.

250 yard Rules

No wetsuits are allowed for the 250 yard swim. Female suits may have shoulders with short sleeves. Male swimmers may not wear "tops" and their jammers may extend to just above the knee.