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.
Fall City Classic - 8k
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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Fall City Classic - 13.1
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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Fall City Classic
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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Fall City Classic - 5k
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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Fall City Classic - Sponsor Event
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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Fall City Classic - Member - Sammamish Running ...
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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Fall City Classic - Race Series (Fall City, ...
Organization: Sammamish Running
Date of Race: 03-21-2026
Description: Join us for the Fall City Classic! One of the fastest ...
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2026 Camp Gilead River Run 5K
Organization: Camp Gilead
Date of Race: 05-25-2026
Description: The River Run 5K is an event to raise money for ...
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Price
Organization: Camp Gilead
Date of Race: 05-25-2026
Description: The River Run 5K is an event to raise money for ...
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Triathlon-Super Sprint - Full Triathlon 1/4S, 10B, 4R
Organization: Sammamish Running
Date of Race: 09-06-2026
Description: Join us Labor Day weekend 2026 for an incredible sprint triathlon.
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Triathlon-Super Sprint - 3 person Relay 1/4S, 10B, ...
Organization: Sammamish Running
Date of Race: 09-06-2026
Description: Join us Labor Day weekend 2026 for an incredible sprint triathlon.
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Rattlesnake Lake Triathlon
Organization: Sammamish Running
Date of Race: 09-06-2026
Description: Join us Labor Day weekend 2026 for an incredible sprint triathlon.
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Triathlon-Super Sprint - 2 person Relay 1/4S, 10B, ...
Organization: Sammamish Running
Date of Race: 09-06-2026
Description: Join us Labor Day weekend 2026 for an incredible sprint triathlon.
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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 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
