Saturday saw para-triathletes from all over the world compete in races across a number of categories and age groups. Amateur participants, many of whom were from local triathlon clubs, also competed on Saturday and on Sunday morning before the course is cleared to make way for the elite men's and women's races on Sunday afternoon, which will feature the world's best professional triathletes. Here are the best pictures so far:
1. Oliver Dreier in the running stage
Oliver Dreier pours water over himself as he competes in the running stage of the AJ Bell 2021 World Triathlon Para Series race in Roundhay Park, Leeds. (photo: PA Wire/ Danny Lawson)
2. Alison Peasgood celebrates bronze
Alison Peasgood celebrates with bronze in the PTVI Womens event during the AJ Bell 2021 World Triathlon Para Series race in Roundhay Park, Leeds (photo: PA Wire/ Danny Lawson)
3. Joshua Landmann during the cycling stages
Joshua Landmann during the cycling stages of the AJ Bell 2021 World Triathlon Para Series race in Roundhay Park, Leeds. (photo: PA Wire/ Danny Lawson)
4. Antonio Franko's blade
A view of Antonio Franko's blade during the AJ Bell 2021 World Triathlon Para Series race in Roundhay Park, Leeds. (photo: PA Wire/ Danny Lawson)
5. Michael Taylor celebrates silver
Michael Taylor celebrates with silver in the PTS4 Mens event during the AJ Bell 2021 World Triathlon Para Series race in Roundhay Park, Leeds (photo: PA Wire/ Danny Lawson)
6. Lauren Steadman wins gold and Claire Chashmore wins silver
Lauren Steadman (right) celebrates winning gold in the PTS5 Women's event with Claire Cashmore winning silver during the AJ Bell 2021 World Triathlon Para Series race in Roundhay Park, Leeds (photo: PA Wire/ Danny Lawson)