Race list
| UCI MTB MARATHON SERIES - Momentum Health Presented By Biogen Attakwas Extreme 20 Jan 2018, Oudtshoorn, South Africa | Men Elite | Beukes Matthys |
| Women Elite | Luethi Ariane |
| UCI MTB MARATHON SERIES - Nedbank Namibia National XCM Championships 25 Feb 2018, Windhoek, Namibia, Namibia | Men Elite | De Lange Tristan |
| UCI MTB MARATHON SERIES - Roc Laissagais 8 Apr 2018, Laissac / Aveyron, France | Men Elite | Ferreira Tiago |
| Women Elite | Luethi Ariane |
| UCI MTB MARATHON SERIES - Maratona Internacional Estrada Real - XCM 22 Apr 2018, Ouro Branco MG, Brazil | Men Elite | Martins Lemes Bruno |
| Women Elite | Soares Candido Leticia Jaqueline |
| UCI MTB MARATHON SERIES - Roc d'Ardenne 29 Apr 2018, Houffalize, Belgium | Men Elite | Stiebjahn Simon |
| Women Elite | Luethi Ariane |
| UCI MTB MARATHON SERIES - VIII° Capoliveri Legend Cup 13 May 2018, Capoliveri LI - Isle of Elba, Italy | Men Elite | Paez Leon Hector Leonardo |
| Women Elite | Gaddoni Elena |
| UCI MTB MARATHON SERIES - Rothaus Hegau 13 May 2018, Singen, Germany, Germany | Men Elite | Geismayr Daniel |
| Women Elite | Spitz Sabine |
| UCI MTB MARATHON SERIES - Meda100Marathon Vale D'Aldeia 20 May 2018, Mêda, Portugal | Men Elite | De Nijs Robbert |
| Women Elite | Davies Charlotte |
| UCI MTB MARATHON SERIES - International MTB Marathon Malevil Cup 9 Jun 2018, Jablonne v Podjestedi, Czech Republic | Men Elite | Hynek Kristian |
| Women Elite | Bigham Sally |
| UCI MTB MARATHON SERIES - Alps Bike Festival 15 Jun 2018, La Clusaz, France | Men Elite | Larsson Gustav |
| Women Elite | Ann Kathryn Leaper Rebecca |
| UCI MTB MARATHON SERIES - Hero Südtirol Dolomites - MTB Alpine Cup 16 Jun 2018, Selva Val Gardena/Corvara, Italy | Men Elite | Paez Leon Hector Leonardo |
| Women Elite | Kollmann-Forstner Christina |
| UCI MTB MARATHON SERIES - Race XCM Arica 24 Jun 2018, Arica, Chile | Men Elite | Astudillo Gallardo Eyair Francisco |
| Women Elite | Davies Charlotte |
| UCI MTB MARATHON SERIES - Bike Maraton Drásal České spořitelny 30 Jun 2018, Holešov, Czech Republic | Men Elite | Boudny Pavel |
| Women Elite | Pintaric Blaza |
| UCI MTB MARATHON SERIES - Furusjøen Rundt MTB 7 Jul 2018, Kvam, Norway | Men Elite | Hasund Eid Emil |
| Women Elite | Hovdenak Hildegunn Gjertrud |
| UCI MTB MARATHON SERIES - MTB Alpine Cup - MB Race 7 Jul 2018, Combloux / Megeve, France | Men Elite | Huber Urs |
| Women Elite | Darbellay Florence |
| UCI MTB MARATHON SERIES - M³ Montafon Mountainbike Marathon 28 Jul 2018, Schruns / Montafon, Austria | Men Elite | Geismayr Daniel |
| Women Elite | Pintaric Blaza |
| UCI MTB MARATHON SERIES - MTB Alpine Cup - Grand Raid BCVS 18 Aug 2018, Verbier - Grimentz, Switzerland | Men Elite | Seewald Andreas |
| Women Elite | Süss Esther |
| UCI MTB MARATHON SERIES - O-tour Bike 9 Sep 2018, Alpnach, Obwalden, Switzerland | Men Elite | Stauffer Hansueli |
| Women Elite | Lüthi Ariane |
| UCI MTB MARATHON WORLD CHAMPIONSHIPS - XCM 14 Sep 2018, Auronzo Di Cadore, Italy | Men Elite | Avancini Henrique |
| Women Elite | Langvad Annika |
| UCI MTB MARATHON SERIES - Etna 21 Sep 2018, Milo - Etna (Sicily), Italy | Men Elite | Arias Cuervo Diego Alfonso |
| Women Elite | Sosna Katazina |
| UCI MTB MARATHON SERIES - Sakarya 23 Sep 2018, Sakarya, Turkey | Men Elite | Ivanov Timofei |
| Women Elite | Crnogorac Jovana |
| UCI MTB MARATHON SERIES - Bike Maraton Jelenia Góra 23 Sep 2018, Jelenia Góra, Poland | Men Elite | Łukasik Krzysztof |
| Women Elite | Terpstra Anne |
| UCI MTB MARATHON SERIES - La Forestière 23 Sep 2018, Saint Claude - Arbent, France | Men Elite | Seewald Andreas |
| Women Elite | Boudot Morel Estelle |
| UCI MTB MARATHON SERIES - Azores MTB Marathon 7 Oct 2018, Ponta Delgada, Azores, Portugal | Men Elite | Ferreira Tiago |
| Women Elite | Antunes Ana |
| UCI MTB MARATHON SERIES - Rally Puchuncaví Puchuncaví, Chile |
7 Oct 2018 - 7 Oct 2018 | ||
| UCI MTB MARATHON SERIES - XVII Ruta Ciclista BTT Gran Premio Villa de Paterna 7 Oct 2018, Paterna del Campo - Huelva, Spain | Men Elite | Romero Ocampo Pedro |
| Women Elite | Pacios Pujado Mª Merce |
| UCI MTB MARATHON SERIES - Extrême sur Loue 7 Oct 2018, Ornans, France | Men Elite | Huber Urs |
| Women Elite | Boudot Morel Estelle |
| UCI MTB MARATHON SERIES - Roc D'Azur 12 Oct 2018, Fréjus, France | Men Elite | Porro Samuele |
| Women Elite | Pintaric Blaza |
| UCI MTB MARATHON SERIES - Latramun 14 Oct 2018, Girona, Spain | Women Elite | Süss Esther |
| UCI MTB MARATHON SERIES - Copa Cable Carril Chilecito, La Rioja, Argentina |
14 Oct 2018 - 14 Oct 2018 | ||
| UCI MTB MARATHON SERIES - CIMTB - Copa Internacional MTB Congonhas - Minas Gerais, Brazil |
24 Nov 2018 - 24 Nov 2018 | ||