Angel Island Regatta

Sun · Nov 1·5 AM·Event Location, San Francisco

Cycle Track open until 10:00 AM at Event Location, San Francisco.

Sun · Nov 1·8 AM – 11 AM·SF Botanical Garden · San Francisco

Guided bird walk through the San Francisco Botanical Garden, exploring birds among 8,000 plant varieties, led by Golden Gate Bird Alliance birders; free, suggested donation $5‑20.

Sun · Nov 1·8:30 AM – 4:30 PM·San Francisco, CA (Farallon Islands)

Eight‑hour naturalist‑led whale watching expedition sails from San Francisco under the Golden Gate Bridge to the Farallon Islands, featuring an expert naturalist, $320 per person, ages 13+.

Sun · Nov 1·9 AM – 5 PM·Children’s Council of San Francisco, 445 Church Street, San Francisco, CA

Full‑day pediatric CPR and first‑aid certification class at Children’s Council of San Francisco, 445 Church Street, 9 am–5 pm, HSI‑approved, for ages 18 and up.

Sat · Oct 31·Aquatic Park, San Francisco, CA

Open water swim at Aquatic Park marks the End of 100 Mile Challenge.

Sat · Nov 7·Aquatic Park, San Francisco, CA

Open water swim at Aquatic Park, San Francisco.

Sat · Nov 14·Aquatic Park, San Francisco, CA

Open water swim at Aquatic Park accompanies the Pilot Appreciation Dinner.

Sat · Nov 14·10 AM·Aquatic Park, San Francisco, CA

Veterans Day Swim (Aquatic Park, San Francisco) — Open water swim at Aquatic Park.