4
MONTHS
20
DAYS
UNTIL EVENT DAY
Registration Capacity
SPRINT
87%
HALF IRON
56%
KIDS TRI
33%
2025 Sprint Triathlon REGISTER:
2025 Half Iron Triathlon REGISTER:
2025 Kids' Triathlon VERIFY REGISTRATION:
2025 Sprint Triathlon VERIFY REGISTRATION:
2025 Half Iron Triathlon VERIFY REGISTRATION:
2025 Kids' Triathlon TRANSFER ENTRY:
2025 Sprint Triathlon TRANSFER ENTRY:
2025 Half Iron Triathlon TRANSFER ENTRY:
2025 Kids' Triathlon PHOTOS:
2024 Sprint Triathlon PHOTOS:
2024 Kids' Triathlon PHOTOS:
2024 Half Iron Triathlon
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ABOUT THE DOOR COUNTY TRIATHLON
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The Door County Peninsula is often referred to as the “Cape Cod of the Midwest.” This popular Midwestern tourist destination offers an abundance of lodging, dining, shopping and entertainment options. The sandy shorelines and majestic bluffs along Green Bay north of Sturgeon Bay provide an ideal setting for a triathlon.
MAJOR SPONSORS
SUPPORTING SPONSORS
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