Running races in or near Index, WA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Index, WA area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.
Running-5 Mile Trail Race - 5 Mile Trail ...
Organization: Sammamish Running
Date of Race: 06-27-2025
Description: The midnight sun trail race will be a treat. Come out ...
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Midnight Sun 5 Mile Trail Race Soaring Eagle
Organization: Sammamish Running
Date of Race: 06-27-2025
Description: The midnight sun trail race will be a treat. Come out ...
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Triathlon-Super Sprint - Rattlesnake Lake Triathlon 2025
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Triathlon-Super Sprint - SWIM - RELAY
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Triathlon-Super Sprint - Kids - Rattlesnake Lake Splash ...
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Triathlon-Super Sprint - BIKE - RELAY
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Triathlon-Super Sprint - RUN - RELAY
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Rattlesnake Lake Triathlon 2025
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Triathlon-Super Sprint - Kid's Splash and Dash
Organization: Sammamish Running
Date of Race: 08-31-2025
Description: Race starts promptly at 8 ...
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Complete list of running events in and near Index, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Index
About Index
Index (WA) is a town in Snohomish County with an estimated population of 178.[4]
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Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
