Circuito de senderismo de 316.62 km desde Dolliver Memorial State Park. El desnivel positivo es de 3959 m, con una altitud entre 224 m y 355 m. Duración estimada: 90 h 40 min. Municipio de salida: Dolliver Memorial State Park (Iowa, États-Unis).
Esta ruta incluye 22 subidas significativas. Con un desnivel acumulado de 1146 m a lo largo de 40.56 km, con una pendiente media del 2.8%.
- Climb 1 (at km 5.42 km): +48 m over 1.07 km, average slope 4.5%
- Climb 2 (at km 16.78 km): +40 m over 1.28 km, average slope 3.1%
- Climb 3 (at km 65.09 km): +49 m over 3.00 km, average slope 1.6%
- Climb 4 (at km 75.26 km): +60 m over 1.32 km, average slope 4.6%
- Climb 5 (at km 84.67 km): +46 m over 978 m, average slope 4.7%
- Climb 6 (at km 155.97 km): +76 m over 4.41 km, average slope 1.7%
- Climb 7 (at km 166.24 km): +68 m over 3.66 km, average slope 1.9%
- Climb 8 (at km 193.37 km): +74 m over 2.03 km, average slope 3.6%
- Climb 9 (at km 198.30 km): +83 m over 1.46 km, average slope 5.7%
- Climb 10 (at km 210.93 km): +63 m over 3.27 km, average slope 1.9%
- Climb 11 (at km 218.39 km): +41 m over 604 m, average slope 6.8%
- Climb 12 (at km 243.41 km): +36 m over 1.17 km, average slope 3.1%
- Climb 13 (at km 367.16 km): +56 m over 975 m, average slope 5.7%
- Climb 14 (at km 378.87 km): +42 m over 923 m, average slope 4.6%
- Climb 15 (at km 391.10 km): +30 m over 1.60 km, average slope 1.9%
- Climb 16 (at km 453.15 km): +38 m over 750 m, average slope 5.1%
- Climb 17 (at km 469.13 km): +31 m over 1.37 km, average slope 2.3%
- Climb 18 (at km 504.50 km): +31 m over 690 m, average slope 4.5%
- Climb 19 (at km 516.43 km): +51 m over 1.93 km, average slope 2.7%
- Climb 20 (at km 523.33 km): +45 m over 2.11 km, average slope 2.1%
- Climb 21 (at km 554.73 km): +104 m over 3.89 km, average slope 2.7%
- Climb 22 (at km 627.60 km): +34 m over 2.08 km, average slope 1.6%
