| 2015 PAIN in the MASS Tour "Reservoir Rd." Climb | 0.92 mi | 328 ft | 6.4% |
| Reservoir Road Climb | 2.13 mi | 509 ft | 4.5% |
| GLTTmile2 | 1.03 mi | 98 ft | 0.8% |
| Notch Rd Climb | 0.87 mi | 344 ft | 7.5% |
| GLTTmile3 | 1.00 mi | 518 ft | 9.8% |
| Greylock-Steepest 5K section | 3.12 mi | 1,339 ft | 8.1% |
| Mount Greylock | 6.63 mi | 2,175 ft | 6.2% |
| Notch Road Climb | 0.53 mi | 302 ft | 10.7% |
| GLTTmile4 | 1.07 mi | 472 ft | 8.3% |
| GLTTmile5 | 1.00 mi | 308 ft | 5.8% |
| Upper Mt. Greylock | 1.48 mi | 535 ft | 6.9% |
| GLTTmile6 | 1.03 mi | 390 ft | 7.2% |
| GLTTmile7 | 1.03 mi | 213 ft | 3.9% |
| Thunderbolt Ski Trail Climb | 0.61 mi | 269 ft | 8.3% |
| GLTTmile8 | 0.98 mi | 157 ft | 2.7% |
| Last flat before the final climb. | 0.94 mi | 66 ft | 1.3% |
| GLTTmile9 | 0.90 mi | 269 ft | 5.4% |
| 07/09/10 Williamstown, MA | 1.00 mi | 312 ft | 5.7% |
| Williamstown, MA | 0.94 mi | 308 ft | 6.1% |
| GL Summit Sprint | 0.85 mi | 302 ft | 6.7% |
| Greylock summit "criterium" | 0.12 mi | 13 ft | 0.1% |
| Greylock Lanesbor Side DOWN - from very top of road to metal gate | 7.97 mi | -1,850 ft | -4.4% |
| Greylock Descent (Summit to Rt 7) | 10.09 mi | -2,234 ft | -4.2% |
| Official Greylock South Ascent | 8.49 mi | -2,067 ft | -4.6% |
| Just Rockwell Down | 8.44 mi | -1,969 ft | -4.4% |
| Rockwell Rd Descent | 8.11 mi | -1,890 ft | -4.4% |
| Greylock DH | 6.98 mi | -1,447 ft | -3.9% |
| Jones's Nose to Rounds Rock | 0.68 mi | 131 ft | 3.0% |
| Wells Rd (Cheshire) | 2.23 mi | 256 ft | 2.2% |
| Savoy climb | 2.64 mi | 735 ft | 5.2% |
| wells road up to savoy | 3.09 mi | 856 ft | 5.2% |
| Henry Wood to Savoy | 2.57 mi | 722 ft | 5.3% |
| Whitcomb Hill Road | 2.10 mi | 1,358 ft | 12.3% |
| Rte 2 Hairpin | 0.84 mi | -305 ft | -6.8% |
