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ASO ASO is the primary assigner of referees for high school sporting events in the state of Colorado.

Congratulations to all High school soccer officials participating this season!!
10/29/2026

Congratulations to all High school soccer officials participating this season!!

Colorado high school boys soccer first round: all 56 games across 5A, 4A, 3A and 2A, with start times, watch links and final scores as they are reported.

09/07/2026
Looking forward to working with all of our colorado high schools, middle Schools & officials again this "2026" fall spor...
08/20/2026

Looking forward to working with all of our colorado high schools, middle Schools & officials again this "2026" fall sports season!

Colorado Summit wins vs. Thorns !! So exciting for our state !
07/19/2026

Colorado Summit wins vs. Thorns !! So exciting for our state !

One of the all-time great sports officials in Colorado.
07/09/2026

One of the all-time great sports officials in Colorado.

Michael's Mile: Meet Bob McCaslin, an umpire who is gaining local legend status and shows no signs of slowing down.

 #2026
05/04/2026

#2026

Address

Centennial, CO
80015

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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