| # | Miles | Riders | Starting Town | Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Ending Town |
|---|---|---|---|---|---|---|---|---|---|---|
| I | 412 | 130 | Sioux City | Storm Lake | Fort Dodge | Ames | Des Moines | Williamsburg | Davenport | |
| II | 422 | 2,000 | Council Bluffs | Atlantic | Guthrie Center | Camp Dodge | Marshalltown | Waterloo | Monticello | Dubuque |
| III | 450 | 3,000 | Hawarden | Cherokee | Lake View | Boone | Newton | Sigourney | Mt. Pleasant | Fort Madison |
| IV | 430 | 4,000 | Sidney | Red Oak | Harlan | Jefferson | Nevada | Grinnell | Iowa City | Muscatine |
| V | 400 | 6,000 | Onawa | Ida Grove | Laurens | Algona | Clear Lake | New Hampton | Decorah | Lansing |
| VI | 440 | 6,000 | Sioux City | Storm Lake | Humboldt | Iowa Falls | Vinton | Mt. Vernon | Maquoketa | Clinton |
| VII | 480 | 6,000 | Rock Rapids | Spencer | Rockwell City | Story City | Tama | Fairfield | Wapello | Burlington |
| VIII | 468 | 6,000 | Glenwood | Atlantic | Carroll | Perry | Webster City | Waverly | Elkader | Guttenberg |
| IX | 490 | 6,000 | Missouri Valley | Mapleton | Lake City | Greenfield | Leon | Centerville | Keosauqua | Keokuk |
| X | 523 | 6,000 | Akron | Cherokee | Estherville | Forest City | Charles City | Independence | Tipton | Davenport |
| XI | 492 | 6,000 | Onawa | Harlan | Guthrie | Ames | Clarion | Grundy Center | Manchester | Dubuque |
| XII | 474 | 8,000 | Glenwood | Shenandoah | Creston | Adel | Pella | Ottumwa | Mt. Pleasant | Burlington |
| XIII | 540 | 10,000 | Hawarden | Sibley | Emmetsburg | Humboldt | Mason City | Waterloo | Monticello | Clinton |
| XIV | 479 | 8,000 | Council Bluffs | Red Oak | Audubon | Perry | Eldora | Belle Plaine | Washington | Muscatine |
| XV | 437 | 8,000 | Onawa | Denison | Storm Lake | Fort Dodge | Forest City | Osage | West Union | Guttenberg |
| XVI | 433 | 8,000 | Sioux City | Ida Grove | Carroll | Boone | Des Moines | Oskaloosa | Fairfield | Fort Madison |
| XVII | 479 | 8,000 | Glenwood | Clarinda | Atlantic | Jefferson | Story City | Cedar Falls | Dyersville | Bellevue |
| XVIII | 495 | 8,000 | Sioux Center | Spencer | Algona | Hampton | Oelwein | Cedar Rapids | Washington | Burlington |
| XIX | 432 | 8,000 | Missouri Valley | Atlantic | Winterset | Knoxville | Grinnell | Amana | Anamosa | Bellevue |
| XX | 494 | 8,000 | Glenwood | Shenandoah | Bedford | Osceola | Des Moines | Oskaloosa | Mt. Pleasant | Keokuk |
| XXI | 525 | 8,000 | Sioux City | Sheldon | Emmetsburg | Clarion | Osage | Decorah | Manchester | Dubuque |
| XXII | 511 | 8,000 | Council Bluffs | Harlan | Carroll | Perry | Marshalltown | Marion | Maquoketa | Clinton |
| XXIII | 493 | 8,000 | Onawa | Lake View | Fort Dodge | Iowa Falls | Tama/Toledo | Sigourney | Coralville | Muscatine |
| XXIV | 437 | 8,000 | Sioux Center | Sibley | Estherville | Lake Mills | Charles City | Cresco | Fayette | Guttenberg |
| XXV | 464 | 10,000 | Missouri Valley | Red Oak | Creston | Des Moines | Chariton | Bloomfield | Fairfield | Fort Madison |
| XXVI | 488 | 10,000 | Hawarden | Cherokee | Rockwell City | Boone | Eldora | Cedar Falls | Monticello | Sabula |
| XXVII | 487 | 8,500 | Rock Rapids | Spencer | Algona | Clear Lake | Waverly | Decorah | Manchester | Bellevue |
| XXVIII | 450 | 10,000 | Council Bluffs | Harlan | Greenfield | Ankeny | Knoxville | Ottumwa | Washington | Burlington |
| XXIX | 506 | 10,000 | Sioux City | Storm Lake | Denison | Atlantic | Perry | Grinnell | Coralville | Muscatine |
| XXX | 480 | 10,000 | Sioux Center | Cherokee | Emmetsburg | Forest City | Charles City | Oelwein | Anamosa | Bellevue |
| XXXI | 450 | 10,000 | Glenwood | Shenandoah | Bedford | Osceola | Oskaloosa | Bloomfield | Mt. Pleasant | Fort Madison |
| XXXII | 490 | 10,000 | Onawa | Lake View | Fort Dodge | Iowa Falls | Marshalltown | Hiawatha | Maquoketa | Clinton |
| XXXIII | 485 | 10,000 | Le Mars | Sheldon | Estherville | Algona | Northwood | Cresco | West Union | Guttenberg |
| XXXIV | 444 | 10,000 | Sergeant Bluff | Ida Grove | Audubon | Waukee | Newton | Marengo | Coralville | Muscatine |
| XXXV | 477 | 10,000 | Rock Rapids | Spencer | Humboldt | Hampton | Cedar Falls | Independence | Dyersville | Bellevue |
| XXXVI | 471 | 10,000 | Missouri Valley | Harlan | Jefferson | Ames | Tama/Toledo | North Liberty | Tipton | Le Claire |
| XXXVII | 422 | 10,000 | Council Bluffs | Red Oak | Greenfield | Indianola | Chariton | Ottumwa | Mt. Pleasant | Burlington |
| XXXVIII | 442 | 10,000 | Sioux City | Storm Lake | Algona | Clear Lake | Charles City | Waterloo | Manchester | Dubuque |
| XXXIX | 454 | 10,000 | Glenwood | Atlantic | Carroll | Boone | Altoona | Grinnell | Coralville | Davenport |
| XL | 471 | 10,000 | Sioux Center | Cherokee | Lake View | Webster City | Marshalltown | Cedar Rapids | Anamosa | Clinton |
