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Adult Softball Leagues
Recruit your team today! We have leagues for all ages and abilities.
Weather Line
Softball Seasons
Spring - 9 game season - Doubleheaders
- Registration opens: January 12th
- Registration deadline: March 2nd
- Games start: Week of March 16th
- Cost: $695
Summer - 12 game season
- Registration info posted: mid-March
- Registration deadline: mid-April
- Games start: first or second week of May
- Cost: about $850
Fall - 10 game season
- Registration info posted: late June
- Registration deadline: late July
- Games start: second or third week of August
- Cost: $725
Spring 2026 Information
Important Dates
Registration opens: 1/12
Registration closes: 3/2
Play begins: Week of 3/16
Summer Softball Champions Tournament
2026 Date TBA SOON!
Ever wonder how your team would fare versus teams who play on a different night of the week? The Summer Champions Tournament is designed to do just that! The top 2-4 teams per league will have the opportunity to opt in to an end-of-summer Champions Tournament!
Special prizes will be given to each winning team, including a NEW team bat! Divisions will be split as follows:
Details
If a qualifying team opts out, the invitation will be extended to the team who finishes next in the final standings (including playoffs).
All players must be on the existing summer roster to qualify for play.
If you're a local business and would like to be a part of this special opportunity through advertising, please email Evan at kessmane@bouldercolorado.gov.
General League Information
- Co-ed and Men's teams start with 10 in the field. Unlimited roster.
- Teams will play one or two games per week; doubleheaders scheduled as needed.
- Game nights are Monday-Thursday.
- Games take place at East Mapleton and Stazio Ballfields. First games start at 6 p.m.
- Each team guaranteed certain number of games, final game will be a best match game.
League dates: Spring - 9 (doubleheader) games: approx. Mar - Apr; Summer - 12 games : approx. May- July; Fall - 10 games: approx. Aug-Oct