Circuito de senderismo de 52.41 km desde Gold Run Campground. El desnivel positivo es de 2128 m, con una altitud entre 1398 m y 1908 m. Duración estimada: 17 h 20 min. Municipio de salida: Gold Run Campground (South Dakota, États-Unis).
Esta ruta incluye 11 subidas significativas. Con un desnivel acumulado de 986 m a lo largo de 12.95 km, con una pendiente media del 7.6%.
- Climb 1 (at km 2.09 km): +54 m over 631 m, average slope 8.6%
- Climb 2 (at km 5.75 km): +41 m over 688 m, average slope 6.0%
- Climb 3 (at km 7.91 km): +62 m over 722 m, average slope 8.6%
- Climb 4 (at km 9.66 km): +35 m over 326 m, average slope 10.7%
- Climb 5 (at km 12.27 km): +39 m over 595 m, average slope 6.6%
- Climb 6 (at km 16.88 km): +108 m over 2.32 km, average slope 4.7%
- Climb 7 (at km 22.27 km): +85 m over 1.02 km, average slope 8.3%
- Climb 8 (at km 24.31 km): +73 m over 1.14 km, average slope 6.4%
- Climb 9 (at km 36.43 km): +121 m over 2.39 km, average slope 5.1%
- Climb 10 (at km 43.94 km): +38 m over 322 m, average slope 11.8%
- Climb 11 (at km 56.12 km): +330 m over 2.79 km, average slope 11.8%
