George Mason University offers a great competitive opportunity. Their description is below, and the euphonium repertoire includes:
EXHIBITION (no competition):
Beginner:
Open choice of exercises, solo, or other literature, totaling 10 minutes or less in length.
Advanced:
Napoli by H. Bellstedt (Southern Music). Other literature may be used, provided participant supplies own accompanist or plays a capella.
COMPETITION:
Euphonium Student Soloist Level
For He That Is Mighty by J.S. Bach/arr. Figart
(Kendor Music Publishers)
Euphonium Young Artist Soloist Level
Andante et Allegro by E.J. Barat
(Southern Music Company)
Euphonium Virtuoso Artist Soloist Level
Pantomime by Philip Sparke
(Studio Music)
Details in Event Brochure
Description from the event brochure:
Set in the heart of Fairfax, Virginia, George Mason University will host the third annual Potomac Festivals Euphonium and Tuba Competition from June 20 to 23, 2006. This festival and competition is open to musicians of all ages and skill levels. The event is intended to increase the number of performance opportunities available to euphonium and tuba players, while offering them the opportunity to grow as musicians. In addition to the competition, clinics, master classes, recitals, concerts, and exhibits will be offered.
Each registered participant will perform for a panel of judges and receive written comments. Virtuoso Artist winners will perform in the final concert with the featured ensemble. No entry or evaluation tape is required. This event is open to all nonprofessional performers.