| Boulder Res 1st 5 miles | 4.94 mi | 358 ft | 1.1% |
| Escape the Res – Jackalope to Jay | 1.33 mi | 79 ft | 0.9% |
| Rez to Broaday & 28th | 4.13 mi | 351 ft | 1.6% |
| Pavement to Gray Barn | 0.28 mi | 43 ft | 2.4% |
| Jay-36 to Atlas | 2.65 mi | 272 ft | 1.9% |
| Jay Rd (Diagonal to Hwy 36/28th) | 1.27 mi | 102 ft | 1.5% |
| 47th to 28th | 0.84 mi | 56 ft | 1.2% |
| 47th to Nelson | 7.86 mi | 331 ft | 0.8% |
| 28th Jay to the Legion | 1.02 mi | 115 ft | 2.1% |
| Highway 36 Grinder - Jay to Lee Hill | 1.12 mi | 115 ft | 1.9% |
| Broadway and 36 to Longhorn Rd. and 36 | 1.03 mi | -72 ft | -1.1% |
| Broadway & 36 to 36 & Neva | 2.44 mi | -85 ft | -0.3% |
| 36 to St. Vrain | 7.88 mi | 217 ft | 0.1% |
| Club Mod TT North | 5.48 mi | 184 ft | 0.3% |
| US 36 Broadway to Neva | 2.47 mi | -82 ft | -0.3% |
| NoBo to GreenBriar | 4.63 mi | 118 ft | 0.1% |
| The Cuore Kilometer | 0.66 mi | -56 ft | -1.0% |
| Big-ring it out of Boulder | 0.72 mi | 66 ft | 1.3% |
| Longhorn-Mountain Ridge | 4.27 mi | 144 ft | 0.6% |
| 36 & Neva Rd to 36 & Jamestown Rd | 2.34 mi | 118 ft | 0.6% |
| Haystack TT Sector 1 | 2.42 mi | 89 ft | 0.7% |
| Haystack north segment | 2.42 mi | 102 ft | 0.7% |
| Speed Bump | 1.29 mi | 56 ft | 0.5% |
| Hwy 36 - Nelson to St. Vrain | 2.33 mi | -108 ft | -0.5% |
| St. Vrain Road - Hwy 36 to 65th St | 3.02 mi | -384 ft | -2.4% |
| St Vrain bottom of hill to 75 | 3.67 mi | -312 ft | -1.6% |
| 65th to 75th on St Vrain | 1.27 mi | -79 ft | -1.2% |
| 65th & St Vrain to St Vrain Rd & 75th | 1.26 mi | -89 ft | -1.3% |
| St Vrain to Seagate turnoff | 1.27 mi | 23 ft | 0.1% |
| 75th Vrain to Nelson | 1.59 mi | -20 ft | -0.0% |
| 75th St | 2.56 mi | -26 ft | -0.1% |
| Last Pain in the Butt - 75th Southbound | 0.08 mi | 20 ft | 4.5% |
| CU TTT Segment #5 | 1.85 mi | 82 ft | 0.7% |
| Nelson-CloverBasin | 0.99 mi | -26 ft | -0.3% |
| 75th/73rd - Nelson to Niwot | 3.46 mi | 62 ft | 0.2% |
| Haystack south segment | 3.48 mi | 75 ft | 0.2% |
| Nelson Rd & 75th to 71st & 119 | 4.46 mi | 92 ft | 0.3% |
| Nelson Rd & 75th to 73rd & Niwot Rd | 3.46 mi | 75 ft | 0.2% |
| 75th/73rd: Clover Basin to Niwot | 2.60 mi | 62 ft | 0.4% |
| bump plateau selection | 0.91 mi | 59 ft | 1.2% |
| CU TTT Segment #1 | 1.46 mi | -62 ft | -0.5% |
| Wheee | 0.26 mi | -49 ft | -3.6% |
| Boulder Group Ride, Final K | 0.56 mi | 20 ft | 0.6% |
| 71st & 119 to 119 & 63rd | 1.51 mi | 49 ft | 0.2% |
| Diagonal (63rd to Jay) | 2.21 mi | 108 ft | 0.8% |
| Hypotenuse Highway | 2.02 mi | 128 ft | 1.2% |
| Boulder Tri Sprint mile 15 to finish | 1.68 mi | -72 ft | -0.7% |
| Jay Rd. to Kelso Rd. NB | 1.00 mi | -79 ft | -1.3% |
| 51st Street Jam | 1.24 mi | -79 ft | -1.1% |
| Jay to Boulder Rez | 1.07 mi | -141 ft | -2.5% |
