Boston, MA · August

    Boston Light Swim with a free coach.

    Tell your coach your goal. It builds your plan for this course and keeps it on track every week.

    • Free, no card
    • Adapts every week
    • Six languages
    • Phone and watch

    Athlete Space coach

    Ask it anything. No account needed.

    Hi! Boston Light Swim is 40 weeks out. What are you aiming for?

    Real answers from the real coach. No signup, no card.

    Build your Boston Light Swim plan

    Your coach opens with the Boston Light Swim set for August (an estimate until the date is announced), asks about your week and your fitness, then writes every session of your open-water swim plan. Free, and you can start as a guest. About 40 weeks to go.

    Start your Boston Light Swim plan
    40 Race day Weeks until race day Usually held: Each August
    Formats
    8 miles
    Sport
    Swimming

    Boston Light Swim distances

    • 8 miles 8 mi

    Course

    The Boston Light Swim course

    A point-to-point swim through Boston Harbor. Swimmers start at the Boston Light on Little Brewster Island and come ashore in South Boston (the L Street Bathhouse / Curley Community Center at M Street Beach).

    Read the full course notes

    Swimmers motor out to the start from the Boston Harbor Yacht Club.

    Formats
    8 miles
    Race-day conditions
    The organizer describes it as a non-wetsuit swim.

    What to train for

    Build toward several continuous swims of 3 to 4 hours in cool water without a wetsuit, and practice feeding from a boat.

    Work on steady pacing, since harbor tides and chop can stretch the swim.

    113 athletes joined in the first two weeks of October
    70% came back within their first week

    Also in Claude

    Ask Claude for this plan

    Add Athlete Space to Claude once, then paste this prompt and put in your own numbers.

    Build me a open-water swim season for the Boston Light Swim in August. I train about [hours] hours a week, [days] days a week.

    Boston Light Swim training questions

    How long should I train for the Boston Light Swim?

    Most athletes give a open-water swim eight to sixteen weeks of focused training on top of an existing base. The coach counts back from your actual race date, so if you have less time than that it builds the best plan the remaining weeks allow rather than pretending you have longer.

    What is the Boston Light Swim course like?

    A point-to-point swim through Boston Harbor.

    How cold is the water at the Boston Light Swim?

    The organizer describes it as a non-wetsuit swim.

    Do I need an account to get a Boston Light Swim training plan?

    Start as a guest and save a free account later. Your coach writes your open-water swim plan and adapts it every week as you log your training. No card.

    Other races

    See you at the start line.

    Build the plan today. It adapts every week until race day.

    Race facts checked against the official site on September 19, 2026. Registration and official details: Boston Light Swim official site

    Athlete Space is independent and not affiliated with the organizers of Boston Light Swim.

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