Debutants
Petr Kelemen is the youngest debutant in World Championships - Mixed Relay TTT in 2019. There are 66 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | KELEMEN Petr | WCC | 18y + 308d |
| 2 | KATERBERG Ben | WCC | 19y + 50d |
| 3 | KOLESAVA Anastasiya | WCC | 19y + 112d |
| 4 | DOLAN Lauren | Great Britain | 20y + 3d |
| 5 | JOHANSEN Julius | Denmark | 20y + 9d |
| 6 | CORKERY Dillon | WCC | 20y + 222d |
| 7 | PRIMOŽIČ Jaka | Slovenia | 20y + 288d |
| 8 | HENDERSON Anna | Great Britain | 20y + 312d |
| 9 | SUTER Joel | Switzerland | 20y + 332d |
| 10 | FROIDEVAUX Robin | Switzerland | 20y + 340d |
| 11 | POGAČAR Tadej | Slovenia | 21y + 1d |
| 12 | YAPURA Fernanda Anabel | WCC | 21y + 139d |
| 13 | MATHIESEN Pernille | Denmark | 21y + 352d |
| 14 | CAMPBELL Teniel | WCC | 21y + 364d |
| 15 | BRAVEC Urška | Slovenia | 22y + 282d |
| 16 | KLEIN Lisa | Germany | 23y + 69d |
| 17 | AFFINI Edoardo | Italy | 23y + 90d |
| 18 | LEYSEN Senne | Belgium | 23y + 188d |
| 19 | LISSON Christoffer | Denmark | 23y + 298d |
| 20 | ERAUD Séverine | France | 24y + 210d |
| 21 | NORMAN HANSEN Louise | Denmark | 24y + 222d |
| 22 | TANFIELD Harry | Great Britain | 24y + 309d |
| 23 | SEIGLE Romain | France | 24y + 346d |
| 24 | MARKUS Riejanne | Netherlands | 25y + 21d |
| 25 | ARMIRAIL Bruno | France | 25y + 164d |
| 26 | OYARBIDE Lourdes | Spain | 25y + 167d |
| 27 | POLITT Nils | Germany | 25y + 200d |
| 28 | DEMEY Valerie | Belgium | 25y + 248d |
| 29 | GUTIÉRREZ Sheyla | Spain | 25y + 264d |
| 30 | BOUWMAN Koen | Netherlands | 25y + 294d |
| 31 | KRÖGER Mieke | Germany | 26y + 66d |
| 32 | VAN DE VELDE Julie | Belgium | 26y + 112d |
| 33 | MARTINELLI Davide | Italy | 26y + 114d |
| 34 | CHABBEY Elise | Switzerland | 26y + 151d |
| 35 | SÜTTERLIN Jasha | Germany | 26y + 322d |
| 36 | DEMAY Coralie | France | 26y + 347d |
| 37 | FRISON Frederik | Belgium | 27y + 56d |
| 38 | NORMAN LETH Julie | Denmark | 27y + 71d |
| 39 | CECCHINI Elena | Italy | 27y + 120d |
| 40 | LONGO BORGHINI Elisa | Italy | 27y + 286d |
| 41 | BIGHAM Daniel | Great Britain | 27y + 355d |
| 42 | REUSSER Marlen | Switzerland | 28y + 2d |
| 43 | PIETERS Amy | Netherlands | 28y + 113d |
| 44 | BIANNIC Aude | France | 28y + 179d |
| 45 | ARCHIBALD John | Great Britain | 28y + 312d |
| 46 | IMHOF Claudio | Switzerland | 28y + 361d |
| 47 | TRATNIK Jan | Slovenia | 29y + 211d |
| 48 | STIRNEMANN Kathrin | Switzerland | 29y + 335d |
| 49 | MAS Lluís | Spain | 29y + 342d |
| 50 | BRAND Lucinda | Netherlands | 30y + 82d |
| 51 | BUJAK Eugenia | Slovenia | 30y + 89d |
| 52 | COUSIN Jérôme | France | 30y + 109d |
| 53 | VIVIANI Elia | Italy | 30y + 227d |
| 54 | BRENNAUER Lisa | Germany | 31y + 106d |
| 55 | MORA Sebastián | Spain | 31y + 215d |
| 56 | LOWDEN Joscelin | Great Britain | 31y + 354d |
| 57 | CASTROVIEJO Jonathan | Spain | 32y + 148d |
| 58 | DE VUYST Sofie | Belgium | 32y + 173d |
| 59 | MOLLEMA Bauke | Netherlands | 32y + 300d |
| 60 | BAKELANTS Jan | Belgium | 33y + 220d |
| 61 | PINTAR Urška | Slovenia | 33y + 354d |
| 62 | MARTIN Tony | Germany | 34y + 152d |
| 63 | MADSEN Martin Toft | Denmark | 34y + 214d |
| 64 | VAN EMDEN Jos | Netherlands | 34y + 216d |
| 65 | GUDERZO Tatiana | Italy | 35y + 31d |
| 66 | GARCÍA Mavi | Spain | 35y + 263d |