| ID | ROUTE | LOCALITY | COUNTRY | CREATED | USED FOR | DISTANCE (km) | ASCENT (m) | TERRAIN | VIEWS |
|---|---|---|---|---|---|---|---|---|---|
| 66809 | Mathew Coleman | Evans | US | 10 years ago | Other | 24.216 | 322 | Road | 39 |
| 702529 | Mathers Paddle Marathon - Route A | Indian Harbour Beach | US | 7 years ago | Other | 15.900 | 17 | Off-Road | 30 |
| 2827323 | MATEO LN (GARNER To GROWDON RD) | San Antonio | US | 1 year ago | Other | 0.192 | 0 | Road | 9 |
| 2961028 | Matawan To Ferry Terminals | Aberdeen Township | US | 7 months ago | Other | 18.069 | 55 | Mixed | 14 |
| 2946257 | Matanzas River To St. Aug | Cedar Landing | US | 8 months ago | Other | 22.784 | 4 | Mixed | 3 |
| 2055048 | MAT_CHICA | Braintree | US | 3 years ago | Other | 13.587 | 156 | Road | 20 |
| 2055042 | MAT_BROOKRD | Quincy | US | 3 years ago | Other | 6.270 | 24 | Road | 17 |
| 1154600 | Master Route Class Of 19-20 | Hampton Bays | US | 5 years ago | Other | 25.569 | 162 | Road | 24 |
| 585696 | Massachusetts 20 | New Lebanon | US | 7 years ago | Other | 249.932 | 2649 | Road | 49 |
| 2579295 | Mass Pike To 65 Wauwinet Road | Weston | US | 1 year ago | Other | 7.101 | 75 | Road | 38 |
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| 253045 | Mass Estimation | Greensboro | US | 9 years ago | Other | 141.231 | 1384 | Road | 34 |
| 964482 | Mason Ridge- Route 2 (80 Minutes) | Jeff-Vander-Lou | US | 6 years ago | Other | 17.114 | 99 | Road | 17 |
| 964468 | Mason Ridge- Route 1 (82 Minutes) | Penrose | US | 6 years ago | Other | 12.482 | 82 | Road | 22 |
| 2383711 | Mascoma River To Lebanon | Lebanon | US | 2 years ago | Other | 8.023 | 14 | Mixed | 23 |
| 2519762 | Maryville Flag Ride 2024 | Maryville | US | 1 year ago | Other | 65.050 | 882 | Road | 34 |
| 647667 | Maryvale Makeup Drive | US | 7 years ago | Other | 51.401 | 307 | Road | 9 | |
| 646256 | Maryvale Drive 8 | US | 7 years ago | Other | 72.220 | 275 | Road | 12 | |
| 646152 | Maryvale Drive 7 | US | 7 years ago | Other | 45.194 | 250 | Road | 19 | |
| 645671 | Maryvale Drive 6 | US | 7 years ago | Other | 34.787 | 100 | Road | 40 | |
| 645011 | Maryvale Drive 5 | US | 7 years ago | Other | 22.834 | 75 | Road | 40 | |
| 644346 | Maryvale Drive 4 | US | 7 years ago | Other | 70.266 | 329 | Road | 11 | |
| 643171 | Maryvale Drive 3 | US | 7 years ago | Other | 15.121 | 54 | Road | 25 | |
| 642116 | Maryvale Drive 2 | US | 7 years ago | Other | 7.275 | 18 | Road | 31 | |
| 652688 | Maryvale Drive 16 (Final Evaluation) | US | 7 years ago | Other | 36.135 | 108 | Road | 39 | |
| 651646 | Maryvale Drive 14 | US | 7 years ago | Other | 65.136 | 452 | Road | 29 | |
| 651594 | Maryvale Drive 13 | US | 7 years ago | Other | 71.973 | 536 | Road | 25 | |
| 650363 | Maryvale Drive 12 | US | 7 years ago | Other | 43.415 | 268 | Road | 12 | |
| 649618 | Maryvale Drive 11 | US | 7 years ago | Other | 74.791 | 289 | Road | 8 | |
| 649098 | Maryvale Drive 10 (Highway) | US | 7 years ago | Other | 110.561 | 1120 | Road | 18 | |
| 185496 | Mary Ellen Direction Giving/Residential Route | Newark | US | 9 years ago | Other | 3.543 | 19 | Road | 36 |