July 9th, Rainier Playfield will be part of the All-Star Week celebration. Join us from 930am to 12pm at Rainier Playfields for the field dedication ceremony.
Join MTC this July - August for our Summer Quickball League, held at all 5 of our Mariners Training Centers!
This year RDLL is trying a new All Star selection process recommended by league families and other local Little League organizations.
Learn about our ’23 All-Star Legacy Initiative
Picture Day is right around the corner!
Sign Up NOW! Mariners Training Centers are proud to be hosting an Open House this May for ages 4-13!
It will be an amazing day for our players as they will receive a Logan Gilbert & George Kirby poster, participate in a pre-game on-field parade (11:10 a.m. to 12:10 p.m.) and watch the hometown Mariners take on the St. Louis Ca...
The Mariners Training Center Seattle facility will be hosting a 2 day Heavy Hitter Camp for ages 8-18 with Jocelyn Alo. Spots are limited, so don’t miss out on this once in a lifetime opportunity. Reserve your place today
This clinic is designed for coaches and umpires and focuses on the Little League rules.
RDLL Parents Sarah Wilhelm and Molly Laster will lead an interactive evening on scorekeeping, covering both GameChanger and paper books.
This clinic is designed to teach umpires how to get in the best position to make a call, how to call balls and strikes and more!
This two-hour clinic on March 18th will be led by professional instructors from the Mariners Training Center and promises to be a fun and educational experience.
Our partner DICK’S Sporting Goods is offering all our members an exclusive discount of 20% off throughout the store!
The evening of March 14th we will have our 2023 Coach Pitch mandatory coaches meeting.
2023 Registrations are still open for Softball, Coach Pitch, Tee & Toss and TBall until March 10th!!
PO Box 28994 Seattle, Washington 98118
Email: [email protected]