Seattle Mariners Diamond Dash 5K/1K | Fun Run Atlas | RMN
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Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Seattle Mariners Diamond Dash 5K/1K

A 5K that winds through every level of T-Mobile Park, home of the Mariners, before finishing on the warning track.

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Fun Run Atlas · Washington

Novelty course · Seattle, WA

Seattle Mariners Diamond Dash 5K/1K is a fun run on a one-of-a-kind course in Seattle, Washington, with no upcoming dates listed.

Season completedFamily friendly
When
Last held Sat, Mar 21, 2026; next date TBA
Start Waves in the morning
Where
T-Mobile Park
1250 1st Ave S
Seattle, WA 98134 · King
Directions
Entry
5K $55.80; 1K $41.60
Register
Organized by
Seattle Mariners
Inaugural in 2026
Official siteDirections

What to expect

  • ballpark
  • stadium run
  • warning track finish
  • MLB

2026 Season completed

Saturday, March 21, 2026

  • Sat, Mar 21, 2026

2027 Not announced

2027 not announced

Date TBA

About the run

The Mariners' inaugural fun run in 2026 started outside the ballpark, climbed through the concourses and ended on the field's warning track; a 1K was offered for kids.

The run

Distances
5K, 1K (kids 14 and under)
Season
Spring

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.