| 2018 Texas River Marathon (Prelim) Entrants | ||
| Category | Racers | Team Captain |
| Aluminum | Chuck Scheidt, Sarah Scheidt | Kirk Scheidt |
| Hoyt Moss, Kipp Nickelson | Charlie Chapman | |
| Kasey Jorgenson, Josh Molleur | David Zavaleta | |
| Matt Voltoline, Nathan Russell | john voltoline | |
| Richard Wessels, David Deal | Jerad Wenner | |
| Ricky Burns, Bart Grasso | Robert Friendt | |
| Roy Tyrone, Barry Tse | Floyd Tyrone | |
| Steve Wilson, Jennifer Wilson | Jan Wilson | |
| William Manske, Travis Johnson | Marissa Johnson | |
| Mixed Tandem Unlimited | Allyson Roebuck, George Orr | Daniela Delacerda |
| Cliff De La Cerda, Daniela De La Cerda | Bethany Molina | |
| gaston jones, Lillian Jones | Kim Jones | |
| Joe Geisinger, Ginsie Stauss | Curt Slaten | |
| Joe Hunt, Patty Hunt | Alyssa Hunt | |
| Myla Weber, Jim Weber | Noel Shaver | |
| Shannon Issendorf, christopher Issendorf | brook rolls | |
| Veronica Sosa, John Bugge | Jennifer Bugge | |
| Novice | Aaron Hudson, Jeremy Gilbert | David Martyn |
| Adam Sims, Jason Smith | Brent Townsend | |
| Chad Davis, Alison Smith | Emily Smith | |
| Chad Perry, Houston Perry | Jennifer Perry | |
| Clint Sutherland, Fred Deras | Derek Roddy | |
| Diana Kaiser, Elizabeth Kilgore | Peter Olden | |
| Diane Thixton, Edgar Quintana | Unhui Kim | |
| Drew Denman, Mark Wheeler | Rich Knarr | |
| Hudson Baird, Austin Dannhaus | Peter Alonso | |
| Jacob Jordan, Kody Hicks | Samantha Tanay | |
| Jared O'Brien, Chris Davis | Jami O'Brien | |
| Jeff Ferguson, Tom Hallberg | Mike Blumberg | |
| Kevin Gault, Kenny Sharpless | Patti | |
| Kip Jacobson, Nate Jacobson | Charity Jacobson | |
| Kyle Clark, Brian Smith | Holland | |
| Leticia Ruiz, Martha Adame | Jeannie Hale | |
| Luis Lugo, Tim Hood | Christine Hood | |
| Luke Zolnierowski, Alex Leonard | Edi Hirshenbaum | |
| Oliver Moore, Stefan White | Chad Levert | |
| Randal Oudt, Brad Thawley | Natalie Thuss | |
| Rob Nichols, Bryce Nichols | Claudette Nichols | |
| Solo Unlimited Man | Al Kaufmann | Michael Reuwer |
| Andrew Davis | Jessica Davis | |
| Austin Swacin | Paul Swacina | |
| Chris Champion | Aj Champion | |
| David Amodio | Cindy Amodio | |
| David Carlson | Tom Phillips | |
| Doug Johnson | Kelli Johnson | |
| Geoff Waters | David Froelich | |
| Henry Mecredy | Barbara Hilliard | |
| James Sutherland | Cathy Sutherland | |
| Jeff Jouett | Doug Wheeler | |
| Justin Brzozowske | Carol Brzozowske | |
| Matt Bonura | Christi Bonura | |
| Michael Mathews II | Mike Mathews Sr. | |
| Philip Rask | Stephen Rask | |
| Ralph Castillo | Elizabeth Gray | |
| Ray Arquette | Kelleen Arquette | |
| Richard Porche | Randall Moore | |
| Ross McClellan | Kristi McClellan | |
| Rusty Bailey | Anthony Haynes | |
| Stacy Greer | Danny Cantu | |
| Trab Seyn | Jill Mulder | |
| Tyler Connery | Caroline Lafleur | |
| Wendell Smith | Mark Miller | |
| Solo Unlimited Woman | Denise D'Abundo | Rob Lane |
| Erin Magee | Chris Stevenson | |
| Joanna Lehrmann | M'Lynn Johnson | |
| michelle waterman | joel crutcher | |
| Standard | Chad Keeth, Corey Pudhorodsky | Katherine Pudhorodsky |
| Roy Kleinsasser, David Lill | RG Ratcliffe | |
| Tina Sackett, Debbie Sackett | Dale Tilson | |
| vance sherrod, wade binion | sandy sherrod | |
| Tandem Unlimited | Cord Johnson, Sunny Johnson | Craig Davis |
| Dorian Capps, Riley Yung | Terry Yung | |
| Keifer Mauldin, Kenneth Darren Dodd | Brittany jeffus | |
| Ken Koob, Roger zimmerman | Laura Startz | |
| Kent Harlan, Rhett Stuman | Kerri Harlan | |
| Marshall Kitchens, Dale Kitchens | Dug Kelley | |
| Mathieu Meyers, John T Van Zandt | Marat Epshtein | |
| Michael Felchak, Ryan Staten | Greg Wynn | |
| Paul Glisson, Clint Simmons | Emily Addelsperger | |
| Scott Paget, Meredith Cullen | Catherine Paget | |
| Trevor Hutton, Gary Kohut | Marilyn Hutton | |
| Wayne Thorp, Wes Wyatt | Ray Hanusch | |
| Unlimited | Andrew Condie, Ian Rolls, Nick Walton, William Russell, Tommy Yonley, Amado Cruz | Jay Condie |
| Cecili Bugge, Heather Harrison, Jake Aziz | Donna Bugge | |
| Dan Gideon, Matt Gideon, April Gideon | Tiffany Marconi | |
| Ed Jones, Brenda Jones, Brian Jones | Tonya Jones | |
| Greg Frank, D Curry, R Mosses | Jack Landau | |
| Jay Daniel, Shawn Boyett, Tim Curry, Nate Tart, Michael Vandeveer, Brandon Stafford | Kristin Daniel | |
| Jerry Cochran, Fred Mynar, Clay Wyatt | Jill Wyatt | |
| John Mark Harras, John Dupont, William Stafford, Liam Price, Michael Tecci, Max Hambly | Jason Jones | |
| Mark Huteson, Mike Buck, Kent Fish | Kim Buck | |
| Mike Smith, John Moore, Mike Dey | Larry St. Claire | |
| Pete Binion, Bruce Abbitt, Dan Cary, Sean Leahy, Egan Gyldenege | Becky Binion | |
| RD Kissling, Debbie Richardson, Jeff Wueste, Chris Stevenson, Bobby Smart | Karim Assiz | |
| Shawn Melnar, Mason Melnar, Dylan Melnar, James Sanders | Sharon Melnar | |
| USCA C-1 Man | Brian Tyler | Sharon Tyler |
| Jerry Nunnery | Allen Spelce | |
| Richard Crow | Margaret Crow | |
| Savoy Malone | London Brazil | |
| Taylor Hering | Yalda Hamadanian | |
| Taylor Houston | Dawn Houston | |
| Travis Crow | Tracy Crow | |
| USCA C-1 Woman | Libby Geisinger | Patty Geisinger |
| USCA C-2 | Anthony Reed, Thomas Guest | Sharon Reed |
| David Kaiser, Max Dugas | Stephen Beaudroux | |
| Gwen Hills, Kaitlin Jiral | Dan Hills | |
| Joel Truitt, Zach Elkins | Rose Elkins | |
| Mike Joiner, Tim Anglin | Shelley Joiner | |
| Paul Pape, Mike Howard | Jennifer Keirnan-Pape | |
| Teddy Gray, Kelly Truitt | Frank Gray | |