Each RUS1 team plays Home-Away matches with the other 15 RUS1 teams for a total of 30 league matches. Table ranking ties are broken by (1) head-to-head points, (2) head-to-head wins, (3) head-to-head goal difference, (4) head-to-head goals scored, (5) matches won, (6) goal difference, (7) goals scored, (8) 2024-2025 table position, then (9) a playoff.

(Note: The RUS1 shuts down for the Winter, typically mid-November to mid-March.)

Not applicable.

At the end of the 2026-2027 RUS1 season, the 15th and 16th place RUS1 teams will be relegated to the RUS2, and the 1st and 2nd place RUS2 teams will be promoted to the 2027-2028 RUS1. The 13th place RUS1 team enters into a Home-Away highest aggregate score playoff with the 4th place RUS2 teams, and the 14th place RUS1 team enters into a Home-Away highest aggregate score playoff with the 3rd place RUS2 teams. The playoff winners will play in the 2027-2028 RUS1, and the losers will play in the RUS2.