Mammoth Lakes Tourism invites visitors to align with our community’s values—through the responsible promotion and stewardship of our mountain destination—to bring economic vitality to Mammoth Lakes.
Mammoth Lakes Tourism’s largest recent award was a $491,816 event grant to Spartan Race Inc in 2025, a sign of how strongly the organization uses grantmaking to support visitor-facing programming. Across its recent awards, the funder backs events tied to tourism, economic activity, community engagement, and stewardship in Mammoth Lakes. The grant list shows a mix of large-scale productions and recurring local event support, from endurance events to music festivals and other seasonal gatherings. The organization’s recent funding also includes $38,000 to Eastern Sierra Running LLC in 2025 for event grant funding, alongside repeated support for Mammoth-based event organizers and presenters. That pattern fits its stated emphasis on destination marketing, visitor stewardship and education, community programs and engagement, event promotion and support, and industry or business support. Awards are restricted-use and project-specific, with the active program described as Special Event Funding for producing events in Mammoth Lakes and the Eastern Sierra / Mono County area. The structure of the grants suggests a funder focused on events as a tool for visitation and local economic impact rather than broad operating support.
Event production is the clearest throughline in Mammoth Lakes Tourism’s giving. In 2024, it gave $20,000 to Mammoth Yoga Festival LLC for event grant funding, and in 2023 it awarded $27,500 to Mammoth Yoga Festival LLC for the same purpose. Endurance and sports programming also appears in the portfolio. Eastern Sierra Running LLC received $23,414 in 2023, $20,000 in 2024, and $38,000 in 2025, all described as event grant funding. Music and cultural events are another recurring area. Tom Whitman Presents Inc received $27,500 in 2023, $20,000 in 2024, and $18,000 in 2025. Mammoth Media Institute Inc received $20,000 in 2024 and $15,000 in 2025. Local event businesses and organizers are also part of the mix, including Black Diamond Foods LLC, Mammoth Rock N Events LLC, and The Rea Ranch LLC.
Typical grant sizes cluster in the mid-five-figure range: the 25th percentile is $12,500, the median is $15,000, and the 75th percentile is $20,000. Recent awards also show a much larger outlier at the top end. The foundation’s grantmaking is recurring rather than one-off for several recipients: Spartan Race Inc, Eastern Sierra Running LLC, Tom Whitman Presents Inc, Mammoth Yoga Festival LLC, Mammoth Media Institute Inc, Black Diamond Foods LLC, Sheek Group LLC, and Mammoth Rocks LLC all appear more than once in the recent-grants list. The program is event-specific and restricted to event expenses, with Special Event Funding as the active program. Unsolicited applications are not accepted.
$479K
$8.1M
$9.7M
$10.5M
Most grants fall between $13K and $20K, with a median of $15K.
25th Percentile
$13K
Median
$15K
75th Percentile
$20K
JOHN MORRIS
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Grantmaking is highly local. Ninety-three percent of grants go to recipients in California, and all grants in the dataset are in the United States. Mammoth Lakes appears repeatedly among recipients, including Eastern Sierra Running LLC, Mammoth Yoga Festival LLC, Mammoth Rock N Events LLC, Black Diamond Foods LLC, Mammoth Rocks LLC, Wh Sn Mammoth LLC, Eastern Sierra Arts Alliance, and Mammoth Mountain Community Foundation. Other California recipients include Los Angeles, Lake Forest, Foothill Ranch, Lee Vining, and Toluca Lake. The grant map reflects an emphasis on Mammoth Lakes and nearby Eastern Sierra communities.
It funds event production and event-related costs through Special Event Funding. The active program covers holiday festivities, slopeside events, music festivals, endurance events, and other visitor-facing events in Mammoth Lakes and the Eastern Sierra / Mono County area.
No. The active Special Event Funding program is listed as not accepting unsolicited requests.
The grant-size distribution centers on $12,500 at the 25th percentile, $15,000 at the median, and $20,000 at the 75th percentile.
The giving is strongly local: 93% of grants go to recipients in California, and the recipient country distribution is entirely U.S.-based.
Several recipients appear across multiple years, including Eastern Sierra Running LLC, Tom Whitman Presents Inc, Mammoth Yoga Festival LLC, Mammoth Media Institute Inc, and Mammoth Rocks LLC, which shows repeat funding rather than only one-off awards.
2026
Source: IRS Form 990-PF, fiscal year 2026.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| SPARTAN RACE INC | BOSTON, MA | $150,000 | 2026 | EVENT GRANT FUNDING |
| EASTERN SIERRA RUNNING LLC | MAMMOTH LAKES, CA | $52,500 | 2026 | EVENT GRANT FUNDING |
| DOHENY BLUES FESTIVAL INC | FOOTHILL RANCH, CA | $50,000 | 2026 | EVENT GRANT FUNDING |
| BLACK DIAMOND FOODS LLC | MAMMOTH LAKES, CA | $28,000 | 2026 | EVENT GRANT FUNDING |
| SHEEK GROUP LLC | LAKE FOREST, CA | $23,000 | 2026 | EVENT GRANT FUNDING |
| TOM WHITMAN PRESENTS INC | LOS ANGELES, CA | $20,000 | 2026 | EVENT GRANT FUNDING |
| EASTERN SIERRA ARTS ALLIANCE | MAMMOTH LAKES, CA | $18,000 | 2026 | EVENT GRANT FUNDING |
| DOORSTEP DELIVERIES | MAMMOTH LAKES, CA | $18,000 | 2026 | EVENT GRANT FUNDING |
| MAMMOTH MOUNTAIN COMMUNITY FOUNDATION | MAMMOTH LAKES, CA | $15,000 | 2026 | EVENT GRANT FUNDING |
| ONE LOVE VENTURES LLC | RENO, NV | $14,000 | 2026 | EVENT GRANT FUNDING |
| MAMMOTH ROCKS LLC | MAMMOTH LAKES, CA | $14,000 | 2026 | EVENT GRANT FUNDING |
| MAMMOTH ROCK N EVENTS LLC | MAMMOTH LAKES, CA | $14,000 | 2026 | EVENT GRANT FUNDING |
| MAMMOTH LAKES JAZZ JUBILEE | MAMMOTH LAKES, CA | $14,000 | 2026 | EVENT GRANT FUNDING |
| EASTERN SIERRA PRIDE | BISHOP, CA | $13,500 | 2026 | EVENT GRANT FUNDING |
| MAMMOTH LAKES RECREATION | MAMMOTH LAKES, CA | $12,000 | 2026 | EVENT GRANT FUNDING |
| SEMBA | MAMMOTH LAKES, CA | $9,000 | 2026 | EVENT GRANT FUNDING |
| TILEIGH LLC | DIVIDE, CO | $7,500 | 2026 | EVENT GRANT FUNDING |
| MAMMOTH LAKES CHAMBER OF COMMERCE | MAMMOTH LAKES, CA | $5,000 | 2026 | EVENT GRANT FUNDING |
| EASTSIDE VELO | MAMMOTH LAKES, CA | $1,200 | 2026 | EVENT GRANT FUNDING |
| SPARTAN RACE INC | BOSTON, MA | $491,816 | 2025 | EVENT GRANT FUNDING |
| EASTERN SIERRA RUNNING LLC | MAMMOTH LAKES, CA | $38,000 | 2025 | EVENT GRANT FUNDING |
| BLACK DIAMOND FOODS LLC | MAMMOTH LAKES, CA | $22,500 | 2025 | EVENT GRANT FUNDING |
| SHEEK GROUP LLC | LAKE FOREST, CA | $20,000 | 2025 | EVENT GRANT FUNDING |
| TOM WHITMAN PRESENTS INC | LOS ANGELES, CA | $18,000 | 2025 | EVENT GRANT FUNDING |
| DOHENY BLUES FESTIVAL INC | FOOTHILL RANCH, CA | $18,000 | 2025 | EVENT GRANT FUNDING |
| EASTERN SIERRA ARTS ALLIANCE | MAMMOTH LAKES, CA | $15,000 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH MEDIA INSTITUTE INC | TOLUCA LAKE, CA | $15,000 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH MOUNTAIN COMMUNITY FOUNDATION | MAMMOTH LAKES, CA | $14,000 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH ROCK N EVENTS LLC | MAMMOTH LAKES, CA | $12,500 | 2025 | EVENT GRANT FUNDING |
| DOORSTEP DELIVERIES | MAMMOTH LAKES, CA | $12,500 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH LAKES JAZZ JUBILEE | MAMMOTH LAKES, CA | $12,500 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH ROCKS LLC | MAMMOTH LAKES, CA | $12,500 | 2025 | EVENT GRANT FUNDING |
| WH SN MAMMOTH LLC | MAMMOTH LAKES, CA | $12,500 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH LAKES RECREATION | MAMMOTH LAKES, CA | $10,000 | 2025 | EVENT GRANT FUNDING |
| SEMBA | MAMMOTH LAKES, CA | $8,000 | 2025 | EVENT GRANT FUNDING |
| SKATE HUNNIES LLC | LOS ANGELES, CA | $5,000 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH LAKES CHAMBER OF COMMERCE | MAMMOTH LAKES, CA | $5,000 | 2025 | EVENT GRANT FUNDING |
| MAMMOTH LAKES YOUTH HOCKEY | MAMMOTH LAKES, CA | $2,500 | 2025 | EVENT GRANT FUNDING |
| EASTSIDE VELO | MAMMOTH LAKES, CA | $1,000 | 2025 | EVENT GRANT FUNDING |
| SPARTAN RACE INC | BOSTON, MA | $225,000 | 2024 | EVENT GRANT FUNDING |
| SHEEK GROUP LLC | LAKE FOREST, CA | $22,500 | 2024 | EVENT GRANT FUNDING |
| BLACK DIAMOND FOODS LLC | MAMMOTH LAKES, CA | $20,000 | 2024 | EVENT GRANT FUNDING |
| MAMMOTH YOGA FESTIVAL LLC | MAMMOTH LAKES, CA | $20,000 | 2024 | EVENT GRANT FUNDING |
| MAMMOTH MEDIA INSTITUTE INC | TOLUCA LAKE, CA | $20,000 | 2024 | EVENT GRANT FUNDING |
| DOHENY BLUES FESTIVAL INC | FOOTHILL RANCH, CA | $20,000 | 2024 | EVENT GRANT FUNDING |
| TOM WHITMAN PRESENTS INC | LOS ANGELES, CA | $20,000 | 2024 | EVENT GRANT FUNDING |
| EASTERN SIERRA RUNNING LLC | MAMMOTH LAKES, CA | $20,000 | 2024 | EVENT GRANT FUNDING |
| MAMMOTH ROCK N EVENTS LLC | MAMMOTH LAKES, CA | $15,000 | 2024 | EVENT GRANT FUNDING |
| MAMMOTH ROCKS LLC | MAMMOTH LAKES, CA | $15,000 | 2024 | EVENT GRANT FUNDING |
| WH SN MAMMOTH LLC | MAMMOTH LAKES, CA | $15,000 | 2024 | EVENT GRANT FUNDING |
SPARTAN RACE INC
$150,000EVENT GRANT FUNDING
EASTERN SIERRA RUNNING LLC
$52,500EVENT GRANT FUNDING
DOHENY BLUES FESTIVAL INC
$50,000EVENT GRANT FUNDING
BLACK DIAMOND FOODS LLC
$28,000EVENT GRANT FUNDING
SHEEK GROUP LLC
$23,000EVENT GRANT FUNDING
TOM WHITMAN PRESENTS INC
$20,000EVENT GRANT FUNDING
EASTERN SIERRA ARTS ALLIANCE
$18,000EVENT GRANT FUNDING
DOORSTEP DELIVERIES
$18,000EVENT GRANT FUNDING
ONE LOVE VENTURES LLC
$14,000EVENT GRANT FUNDING
MAMMOTH ROCKS LLC
$14,000EVENT GRANT FUNDING
MAMMOTH ROCK N EVENTS LLC
$14,000EVENT GRANT FUNDING
MAMMOTH LAKES JAZZ JUBILEE
$14,000EVENT GRANT FUNDING
EASTERN SIERRA PRIDE
$13,500EVENT GRANT FUNDING
MAMMOTH LAKES RECREATION
$12,000EVENT GRANT FUNDING
SEMBA
$9,000EVENT GRANT FUNDING
TILEIGH LLC
$7,500EVENT GRANT FUNDING
MAMMOTH LAKES CHAMBER OF COMMERCE
$5,000EVENT GRANT FUNDING
EASTSIDE VELO
$1,200EVENT GRANT FUNDING
SPARTAN RACE INC
$491,816EVENT GRANT FUNDING
EASTERN SIERRA RUNNING LLC
$38,000EVENT GRANT FUNDING
BLACK DIAMOND FOODS LLC
$22,500EVENT GRANT FUNDING
SHEEK GROUP LLC
$20,000EVENT GRANT FUNDING
TOM WHITMAN PRESENTS INC
$18,000EVENT GRANT FUNDING
DOHENY BLUES FESTIVAL INC
$18,000EVENT GRANT FUNDING
EASTERN SIERRA ARTS ALLIANCE
$15,000EVENT GRANT FUNDING
MAMMOTH MEDIA INSTITUTE INC
$15,000EVENT GRANT FUNDING
MAMMOTH ROCK N EVENTS LLC
$12,500EVENT GRANT FUNDING
DOORSTEP DELIVERIES
$12,500EVENT GRANT FUNDING
MAMMOTH LAKES JAZZ JUBILEE
$12,500EVENT GRANT FUNDING
MAMMOTH ROCKS LLC
$12,500EVENT GRANT FUNDING
WH SN MAMMOTH LLC
$12,500EVENT GRANT FUNDING
MAMMOTH LAKES RECREATION
$10,000EVENT GRANT FUNDING
SEMBA
$8,000EVENT GRANT FUNDING
SKATE HUNNIES LLC
$5,000EVENT GRANT FUNDING
MAMMOTH LAKES CHAMBER OF COMMERCE
$5,000EVENT GRANT FUNDING
MAMMOTH LAKES YOUTH HOCKEY
$2,500EVENT GRANT FUNDING
EASTSIDE VELO
$1,000EVENT GRANT FUNDING
SPARTAN RACE INC
$225,000EVENT GRANT FUNDING
SHEEK GROUP LLC
$22,500EVENT GRANT FUNDING
BLACK DIAMOND FOODS LLC
$20,000EVENT GRANT FUNDING
MAMMOTH YOGA FESTIVAL LLC
$20,000EVENT GRANT FUNDING
MAMMOTH MEDIA INSTITUTE INC
$20,000EVENT GRANT FUNDING
DOHENY BLUES FESTIVAL INC
$20,000EVENT GRANT FUNDING
TOM WHITMAN PRESENTS INC
$20,000EVENT GRANT FUNDING
EASTERN SIERRA RUNNING LLC
$20,000EVENT GRANT FUNDING
MAMMOTH ROCK N EVENTS LLC
$15,000EVENT GRANT FUNDING
MAMMOTH ROCKS LLC
$15,000EVENT GRANT FUNDING
WH SN MAMMOTH LLC
$15,000EVENT GRANT FUNDING