Santa Rosa 10K: Penelope Samuels dominates the F0-19 field

• Penelope Samuels, age 12, wins in 43:54 — a 7:04/mi pace that put nearly seven minutes between her and 2nd-place Mila Hernandez (50:52).
• Tightest battle of the day: Zaira Alvarado Medina (5th, 59:45) and Leia Burton (6th, 59:46) — separated by a single second across 6.2 miles.
• Vivienne Trenam and Zyanais Palacios finished 8th (1:02:01) and 9th (1:02:05) — just four seconds apart.
• Youngest finishers: Ella Tien, age 4, and her sister Ellie Tien, age 6, crossed in 1:49:29 and 1:39:29 respectively — completing a 10K that most adults wouldn't attempt at their ages.

Penelope Samuels, a 12-year-old from Salinas, turned in a performance that simply ran away from the F0-19 field. Her 43:54 finish at 7:04/mi wasn't just a win — it was a statement. The gap back to Mila Hernandez, also 12 and running a solid 50:52 at 8:11/mi, was 6:58. Sofia Carollo (3rd, 54:01) and Aliyah Guizar (4th, 54:51) rounded out a tight battle for the final podium spots, separated by just 50 seconds between them.

The race's most gripping moment came just before the hour mark, where Zaira Alvarado Medina and Leia Burton — both 15, both from Santa Rosa — ran the entire course and arrived within one second of each other, 59:45 to 59:46. That's 6.2 miles of racing distilled into a single tick of the clock. Léonie Lanier (7th, 1:00:26) crossed just 40 seconds later, with Vivienne Trenam (8th, 1:02:01) and Zyanais Palacios (9th, 1:02:05) continuing the pattern of remarkably close finishes through the middle of the field.

At the back of the pack, the Tien sisters of San Jose delivered the day's most heartwarming story. Ellie, age 6, finished in 1:39:29, and her younger sister Ella, age 4, completed the full 10K in 1:49:29. Seventeen finishers in all crossed the line in Santa Rosa's cool, misty morning — from a four-year-old to a 19-year-old — making the F0-19 field one of the most remarkable slices of the entire race.