SB
Sierra Bourne
F · 42 · Mammoth lakes, CA, USA
5
Races
#50
Best
Upcoming Broadcasts
No upcoming Mountain Outpost broadcasts featuring Sierra.
Past Broadcasts
▶ Replay
Mammoth Trailfest
Sep 25, 2026 · 8 days ago
Raced
▶ Replay
Mammoth Trailfest
Sep 25, 2026 · 8 days ago
RacedFinished#109 overallF371:04:55
▶ Replay
Mammoth Trailfest 2025
Jul 19, 2025 · 1 year ago
RacedFinished#156 overallF741:20:34
▶ Replay
Mammoth Trailfest 2024
Sep 19, 2024 · 2 years ago
RacedFinished#50 overallF181:02:50
▶ Replay
Mammoth Trailfest 2023
Sep 21, 2023 · 3 years ago
RacedWithdrawn