Course
Half Marathon21.1 km
10K10 km
5K5 km
Key dates
- !RegistrationOpen now
- ★Race dayJune 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
The Seattle Marathon's Summer Run is an annual 5K, 10K, and half marathon hosted by the Seattle Marathon Association, with a kids fun run held alongside the timed races.
Your next race, seen from above.
Save Seattle Marathon Summer Run to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Seattle Marathon Summer Run to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Tiger Peak
Climbs Tiger Mountain's forested trails near Issaquah
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.