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Swim Across America

A United States nonprofit that raises funds and awareness for cancer research, prevention, treatment, and patient support through swimming events.

Last updated August 24, 2026

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Overview

Swim Across America (SAA) is a United States nonprofit organization that uses swimming-based fundraising events to support cancer research, prevention, treatment, and related patient and survivorship services. Its principal public expression is a network of charity swims in which participants raise money for designated medical institutions and cancer programs. The organization operates both open-water swims and pool-based events, linking recreational, competitive, school, collegiate, masters, and community swimming with philanthropic fundraising. The organization grew out of the experience of Jeff Keith and Matt Vossler, childhood friends who undertook Run Across America after college. Keith was a cancer survivor who had lost part of his right leg to the disease. Their cross-country run from Boston to Los Angeles raised more than $1 million for cancer research and provided the conceptual and motivational foundation for a swimming-focused successor. SAA carries forward that emphasis on athletic participation, personal resilience, public awareness, and direct support for cancer science and care. Open-water events generally take place in local bodies of water and offer distances suited to different levels of ability, commonly ranging from approximately one-half mile to three miles. Participants typically pay a tax-deductible registration fee and commit to a fundraising target supported by donations from family, friends, employers, and community networks. Event proceeds are directed to a local hospital or cancer institution, allowing participants to see a connection between their event and medical work in their own region. The Long Island Sound swim has historically been one of the organization's largest annual fundraisers and raised more than $1.2 million in 2019. Pool swims provide another participation model. They may be organized by age-group programs, high schools, colleges, masters clubs, summer leagues, aquatic facilities, or other swimming communities. Unlike many open-water events, pool swims generally do not impose the same individual fundraising requirements and may not be tied to a single local hospital. Their proceeds are combined and allocated through SAA's beneficiary process. SAA distributes grants to a broad network of prominent United States cancer research and care institutions, including Memorial Sloan Kettering Cancer Center, Johns Hopkins Medicine's Sidney Kimmel Comprehensive Cancer Center, Dana-Farber Cancer Institute, Moffitt Cancer Center, the University of California, San Francisco, and other regional beneficiaries. Supported work spans laboratory research, clinical trials, immunotherapy, pediatric oncology, gene therapy, palliative care, and patient support. The organization states that its grant agreements require awarded funds to be applied to approved projects rather than general overhead or building costs. According to the referenced material, SAA had awarded more than $100 million since its founding and received more than 100,000 donations annually to help participants meet fundraising goals. In 2020, it announced a planned record allocation of $6 million across more than 50 cancer research projects and programs. Its reach is also amplified by corporate sponsors and by the participation of prominent swimmers and Olympians. The organization's stated message, "Making Waves to Fight Cancer," summarizes its positioning: it is not a swimwear or sporting-goods brand, but a cause-based fundraising platform that turns swimming participation into support for cancer science and care.

History

Swim Across America emerged from a cross-country athletic and fundraising effort undertaken by childhood friends Jeff Keith and Matt Vossler. In 1984, Keith, Vossler, and Hugh Curran began a run across the United States from Boston. The journey concluded in Los Angeles in the spring of 1985 after roughly eight months and raised more than $1 million for the American Cancer Society and cancer research. Keith's personal history was central to the effort: he had survived cancer and had lost part of his right leg to the disease. The run demonstrated how endurance sport could generate both public attention and substantial philanthropic support. Swim Across America was conceived as a swimming-oriented continuation of that model. Rather than relying on a single transcontinental challenge, the organization developed recurring community events that could be staged in multiple United States markets. Its core operating mechanism connected a swim with a fundraising commitment and then directed proceeds toward cancer research and care. This structure enabled participants with differing levels of swimming experience to take part while giving local hospitals and research centers a direct role as beneficiaries. The organization's event portfolio developed around two broad formats. Open-water swims typically use a selected body of water and offer multiple distances, often from one-half mile to three miles. Participants register, pay a tax-deductible fee, and solicit additional donations. Proceeds from these swims are generally granted to a beneficiary in the same region. Pool swims broaden participation to school, collegiate, masters, age-group, summer-league, and aquatic-facility communities. These events usually operate without the same participant fundraising minimums and may contribute to a pooled grantmaking program rather than a single hospital. Over time, SAA expanded its beneficiary network to include major cancer institutions and regional hospitals across the country. Supported areas include basic cancer biology, clinical research, immunotherapy, pediatric cancer, gene therapy, diagnosis, treatment, palliative care, and post-treatment support. The organization has reported that its grants helped establish and operate laboratories bearing the SAA name at multiple institutions. It has also highlighted the role of its funding in the clinical development of four FDA-approved immunotherapies: ipilimumab, nivolumab, pembrolizumab, and atezolizumab; such claims describe the contribution of SAA funding within wider scientific and institutional efforts rather than exclusive ownership of those medicines. SAA's public profile has been strengthened by partnerships with corporations, media and aquatic organizations, and elite swimmers. More than 100 Olympians have reportedly attended its swims or special events, helping attract participants and donations. By 2020, the organization described a national schedule of open-water events spanning markets including New York, Connecticut, Massachusetts, California, Washington, Illinois, Maryland, Texas, Florida, Georgia, Colorado, South Carolina, Missouri, Michigan, and other locations. It also reported cumulative grants exceeding $100 million and a record planned grant allocation of $6 million for more than 50 projects and programs. The organization remains active and continues to present swimming as a practical community mechanism for cancer fundraising under the message "Making Waves to Fight Cancer."

  • 2020

    Record grant program announced

    [1]

    SAA planned to award $6 million in cancer research grants supporting more than 50 projects and programs.

  • 2019

    Long Island Sound swim surpasses $1.2 million

    [1]

    The Long Island Sound event raised more than $1.2 million and was identified as SAA's largest annual fundraising swim at the time.

  • 1985

    Cross-country run concludes

    [1]

    The run reached Los Angeles in spring 1985 and raised more than $1 million for the American Cancer Society and cancer research, inspiring the later swimming charity.

  • 1984

    Run Across America begins

    [1]

    Jeff Keith, Matt Vossler, and Hugh Curran began a cross-country run from Boston as a fundraising and awareness effort connected to cancer research.

Products and positioning

A cause-driven swimming philanthropy organization that converts participation in aquatic events into locally connected funding for cancer research, treatment, prevention, and patient support.

  • Fundraising event

    Open-water charity swims

    Community swimming events held in lakes, bays, sounds, and other open-water locations. Participants normally choose an available distance, pay a registration fee, and raise donations toward a required minimum. Proceeds are typically assigned to a cancer hospital or research beneficiary in the event's local market.

  • Fundraising event

    Pool swims

    Swimming fundraisers organized by schools, colleges, clubs, masters programs, summer leagues, and aquatic facilities. They provide a flexible way for established swimming communities to dedicate a practice, meet, or special day to cancer fundraising, with proceeds generally pooled for grantmaking.

  • Philanthropic grant program

    Cancer research and care grants

    Grants funded by event proceeds and allocated to approved projects at cancer research and care institutions. Supported activities can include laboratory research, clinical trials, immunotherapy, pediatric oncology, gene therapy, diagnosis, treatment, palliative care, and patient support.

Marketing campaigns

  • Making Waves to Fight Cancer

    United States

    The organization's continuing public campaign and tagline frame swimming participation as a collective response to cancer, combining athletic challenge, awareness, and charitable giving.

    Outcome. The message supports event recruitment, donor engagement, and the connection between local swims and cancer beneficiaries.

Brand decisions

  • 2020

    Expand grantmaking to a record planned allocationStrategy

    Background

    SAA reported that its fundraising network had generated more than $100 million in grants since inception and that demand for cancer research and care funding remained broad.

    Action taken

    The organization planned to distribute $6 million across more than 50 cancer research projects and programs.

    Aftermath

    The announcement represented a reported record level of annual grantmaking, although the available reference does not provide a later audited outcome.

    $6 million in planned grants. $6 million (2020)

Sources2 sources

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