Twilight at the Bay

Tacoma, United States • 15 Aug 2026

Run Super Series overview

Run Super Series is a series of running events held in Washington state. The series features road and trail races, relays, and ultra distances. Distances listed for 2026 range from 5k up to 100 miles. The organization was established in 2016. Some courses are noted as Boston-qualifying and several downhill marathon courses report significant net elevation loss (for example, "just under 1500 feet" for certain marathons and about 2000 feet net drop on one downhill course). Events include features such as on-site parking for some ultras and chip timing for at least one race.

Selected 2026 events

Tenacious 10 : April 4, 2026, Gas Works Park, Seattle: 10-mile and 10k race around Lake Union.

Ancient Lakes Trail Run : April 11-12, 2026, Quincy: 10k, 25k, 50k, 50-mile trail distances.

Snohomish Women’s Run : May 2026, Everett: 5k, 10k, half marathon; courses described as flat and chip-timed.

Rainier to Ruston Relay : June 6, 2026: relay from Mount Rainier National Park to Tacoma for teams of 2, 3, 4, or 6 runners; distance described as about 50 miles.

Super Hyak Marathon & Half : June 13, 2026, North Bend: marathon and half with trail sections; the half passes through the Snoqualmie Tunnel and some marathon courses are listed as Boston-qualifying.

Other listed events for 2026 include Jack and Jill Half and Full Marathon, Twilight at the Bay, Cascade Express Marathon, Ultra FEST, and Run the Bay with various distances and locations in Washington. Visit the organization's website for the most recent information.

Race information

Half Marathon
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

The Pigtails Run in Maple Valley on Saturday December 13 2025 offers 50K, marathon and half marathon courses along the scenic Cedar to Green River Trail. Expect mostly paved trail, modest on course support, and finish line pizza and soup.

Celebrate the season with Saturnalia, a Rock Candy Running year end 10K through Squaxin Park in Olympia with Puget Sound and Capitol views. Finish to festive aid station treats and a commemorative medal.

Join the Trio Trail Run at Frontier Park on December 14 for a relaxed community trail outing with 2.5K and 5K two loop options. Laid back vibe, youth discount for pre registration, and day of registration is available.

Join the Seward Solstice Run at Seward Park Seattle on Dec 20, 2025 with 4.2 mile and 10k forest loop courses as part of the Winter Trail Series. Enjoy scenic trails, aid stations, and a Glitter, Glamour and Galaxy costume contest.