Courtesy of NBCOlympics.com on Copacabana Beach in Rio de Janeiro.

With the pace surprisingly slow in the women’s Olympic 10K Marathon Swim on Copacabana Beach, the main pack with all 26 competitors has stayed together for the first 45 minutes.

Olympic defending champion Éva Risztov of Hungary
15. Xin Xin of China, and France’s Aurélie Muller are maintained their positions in the front of the pack.

Chief referee John West of New Zealand has been giving warning whistles often that includes several women are impeding others in the large, crowded lead pack, especially as they come into the feeding station.

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