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| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| 28 | 29 | 30 | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 Learn to Ride a Bike (ages 5-11) Petaluma | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 Learn to Ride a Bike (ages 5-11) Santa Rosa | 16 | 17 | 18 |
| 19 Biker Chicks ride: 10/19/25 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | 1 |