# Part 19: Cross Triathlon and Duathlon (World Triathlon Competition Rules)

Triathlon · Part 19: Cross Triathlon and Duathlon · Insporta Book (https://book.insporta.app/triathlon/laws/part-19-cross-triathlon-and-duathlon/)

Cross triathlon and cross duathlon formats and distances, the mountain bike rules, drafting, the run, and the stations and repair zones.

## 19.191 Cross Triathlon and Duathlon

Formats and distances, the mountain bike, the run and the stations.

### Test 1: Formats and distances

- Cross triathlon is swimming, mountain biking and cross-country running. (Source: World Triathlon Competition Rules (January 2025), 19.1 a (Cross Triathlon and Duathlon))
- The duathlon drops the swim and runs twice, once on each side of the bike. (Source: World Triathlon Competition Rules (January 2025), 19.1 b (Cross Triathlon and Duathlon))
- Standard cross triathlon: 1000-1500 m swim, 20-30 km mountain bike, 6-10 km run. (Source: World Triathlon Competition Rules (January 2025), 19.2 a; Appendix A (Cross Triathlon and Duathlon))
- The sprint's bike leg is roughly half of the standard 20-30 km. (Source: World Triathlon Competition Rules (January 2025), 19.2 a; Appendix A (Cross Triathlon and Duathlon))
- Minimum ages: 15 for the mixed relay, 16 for sprint and 18 for standard distance. (Source: World Triathlon Competition Rules (January 2025), Appendix A (Cross Triathlon and Duathlon))
- The course should have demanding hills and challenging technical aspects. (Source: World Triathlon Competition Rules (January 2025), 19.2 c (Cross Triathlon and Duathlon))
- A 5% tolerance on the bike distance is accepted if the Technical Delegate approves it. (Source: World Triathlon Competition Rules (January 2025), 19.2 c (Cross Triathlon and Duathlon))
- Cross duathlon runs, rides the mountain bike, then runs again. (Source: World Triathlon Competition Rules (January 2025), 19.1 b (Cross Triathlon and Duathlon))
- 200-250 m, 500 m and 1000-1500 m. (Source: World Triathlon Competition Rules (January 2025), Appendix A (Cross Triathlon and Duathlon))
- A standard-distance cross triathlon finishes with a 6-10 km cross-country run. (Source: World Triathlon Competition Rules (January 2025), Appendix A (Cross Triathlon and Duathlon))

### Test 2: The mountain bike, run and stations

- Studded and/or slick tyres are allowed, from 26 to 29 inches with at least a 1.5 inch cross section. (Source: World Triathlon Competition Rules (January 2025), 19.4 a-c (Cross Triathlon and Duathlon))
- Drafting is allowed behind same-gender and different-gender athletes; there may be no-passing zones for safety. (Source: World Triathlon Competition Rules (January 2025), 19.4 e (Cross Triathlon and Duathlon))
- Athletes are allowed to push or carry the bike over the course. (Source: World Triathlon Competition Rules (January 2025), 19.4 d (Cross Triathlon and Duathlon))
- Clip-ons and road handlebars are not allowed; MTB bar ends are authorised if their ends are plugged. (Source: World Triathlon Competition Rules (January 2025), 19.4 g-i (Cross Triathlon and Duathlon))
- Athletes bring their own tools and parts and carry out their own repairs. (Source: World Triathlon Competition Rules (January 2025), 19.4 j (Cross Triathlon and Duathlon))
- Coaches have a designated space on the bike and run segments. (Source: World Triathlon Competition Rules (January 2025), 19.7 a (Cross Triathlon and Duathlon))
- Any type of shoe, including spike shoes, is allowed. (Source: World Triathlon Competition Rules (January 2025), 19.6 a (Cross Triathlon and Duathlon))
- Spares left in the repair zone must be packed and labelled, and the athlete does the repair. (Source: World Triathlon Competition Rules (January 2025), 19.8 d (Cross Triathlon and Duathlon))
- 1.5, 26 and 29 inches. (Source: World Triathlon Competition Rules (January 2025), 19.4 a (Cross Triathlon and Duathlon))
- If no personal needs stations are provided, items may not be handed over by anyone else. (Source: World Triathlon Competition Rules (January 2025), 19.8 c (Cross Triathlon and Duathlon))

Sources: World Triathlon Competition Rules, January 2025, Part 19 and Appendix A (paraphrased in original wording; original questions authored from the rules, not reproduced)

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