Recipients are responsible for their race entry fee and completing 8 hours of Trail Work. If you have met the requirements at one of these ultramarathons or are interested in adding your race to the Sterling Silver series, please get in touch with us.
50 Miler, Isla Catalina, California,
January 10, 2026
2024 Avalon Benefit 50 Miler Winners
M1 -Michael Ruf – Accepted
M2 -Robert Webber – Accepted
F1 – Haley Hasty – Invited
F2 – Veronica Alaniz – Accepted
2025 Avalon Benefit 50 Miler Winners
M1 –
M2 –
F1 –
F2 –
50 Miler, 100k, Calabasas, CA
January 31, 2026
2024 Sean O’Brien 50 Miler Winners
M1 – Walter Escalante – Accepted
M2 – Adrian Lazar Adler – Invited
F1 – Barbara Thomson – Accepted
F2 – Mathilde Giroud – Accepted
2024 Sean O’Brien 100k Winners
M1 – Max Jolliffe – Accepted
M2 – Ian Sharman – Declined
F1 – Kenzie Macphail – Declined
F2 – Mallory Servais – Invited
2025 Sean O’Brien 50 Miler Winners
M1 –
M2 –
F1 –
F2 –
2025 Sean O’Brien 100k Winners
M1 –
M2 –
F1 –
F2 –
50 Miler, Sonoita, AZ,
March 7, 2026
2024 Old Pueblo 50 Miler Winners
M1 – Shaun Burke – Accepted
M2 – Andrew Belus – Declined
F1 – Meghan Macardy – Accepted
F2 – Susie Stephen – Declined
50 Miler, 100k, Santa Clarita, CA,
April 18, 2026
2024 Leona Divide 50 Miler Winners
M1 – Michael Eastburn – Accepted
M2 – Cody Jordan – Accepted
F1 – Anne Delmarre – Accepted
F2 – Barbara Thomson -Accepted
2024 Leona Divide 100k Winners
M1 – Tyler Burke – Accepted
M2 – Eric Earnshaw – Accepted
F1 – Jian Springer – Accepted
F2 – Kaitlyn Spees – Accepted
