Anello di escursionismo di 195.15 km con partenza da Nobeck Dam. Il dislivello positivo è di 8025 m, con un'altitudine compresa tra 967 m e 1786 m. Durata stimata: 71 h 20 min. Comune di partenza: Nobeck Dam (South Dakota, États-Unis).
Questa escursione comprende 32 salite significative. Con un dislivello positivo totale di 4424 m su 63.32 km, con una pendenza media del 7.0%.
- Climb 1 (at km 4.49 km): +142 m over 1.77 km, average slope 8.0%
- Climb 2 (at km 13.12 km): +151 m over 3.58 km, average slope 4.2%
- Climb 3 (at km 16.47 km): +100 m over 1.18 km, average slope 8.5%
- Climb 4 (at km 21.78 km): +169 m over 2.65 km, average slope 6.4%
- Climb 5 (at km 27.63 km): +251 m over 2.16 km, average slope 11.6%
- Climb 6 (at km 29.33 km): +40 m over 333 m, average slope 12.0%
- Climb 7 (at km 31.05 km): +93 m over 883 m, average slope 10.5%
- Climb 8 (at km 36.67 km): +126 m over 2.58 km, average slope 4.9%
- Climb 9 (at km 45.94 km): +106 m over 1.79 km, average slope 5.9%
- Climb 10 (at km 52.27 km): +195 m over 2.28 km, average slope 8.6%
- Climb 11 (at km 56.09 km): +110 m over 1.63 km, average slope 6.8%
- Climb 12 (at km 62.07 km): +90 m over 1.71 km, average slope 5.3%
- Climb 13 (at km 68.05 km): +284 m over 3.23 km, average slope 8.8%
- Climb 14 (at km 76.30 km): +132 m over 1.59 km, average slope 8.3%
- Climb 15 (at km 81.65 km): +193 m over 2.98 km, average slope 6.5%
- Climb 16 (at km 92.47 km): +239 m over 4.11 km, average slope 5.8%
- Climb 17 (at km 97.67 km): +133 m over 1.73 km, average slope 7.7%
- Climb 18 (at km 105.08 km): +250 m over 3.84 km, average slope 6.5%
- Climb 19 (at km 109.41 km): +31 m over 659 m, average slope 4.7%
- Climb 20 (at km 112.46 km): +116 m over 1.40 km, average slope 8.3%
- Climb 21 (at km 117.71 km): +68 m over 1.61 km, average slope 4.2%
- Climb 22 (at km 122.27 km): +73 m over 774 m, average slope 9.4%
- Climb 23 (at km 129.28 km): +208 m over 3.49 km, average slope 6.0%
- Climb 24 (at km 139.72 km): +199 m over 3.20 km, average slope 6.2%
- Climb 25 (at km 146.84 km): +69 m over 1.16 km, average slope 5.9%
- Climb 26 (at km 158.48 km): +185 m over 3.42 km, average slope 5.4%
- Climb 27 (at km 165.79 km): +103 m over 1.61 km, average slope 6.4%
- Climb 28 (at km 174.53 km): +117 m over 1.07 km, average slope 10.9%
- Climb 29 (at km 179.39 km): +63 m over 1.07 km, average slope 5.9%
- Climb 30 (at km 181.32 km): +30 m over 468 m, average slope 6.4%
- Climb 31 (at km 183.84 km): +51 m over 516 m, average slope 9.9%
- Climb 32 (at km 195.04 km): +307 m over 2.86 km, average slope 10.7%
