B.A.A. 10K Girls 14-and-Under: Dupere Dominates in the Heat

• Adelle Dupere, 13, wins in 41:49 — a 6:44/mi pace that left the rest of the nine-girl field well behind, and the 62nd-fastest second-half split among all women in the race.
• A 13-minute gap to 2nd place: Claire McManus finished in 55:01, more than 13 minutes back — the largest single gap between any two consecutive finishers in this group.
• Emma Frigerio closed strong: After sitting deep in the women's field at the halfway point, the 12-year-old from Arlington moved up steadily to finish 3rd in 1:09:02, posting the 805th-fastest 8K-to-finish split among all women.
• Lily Forrester ran the opposite arc: The 13-year-old from Woolwich, ME, held a stronger position through 5K but faded over the middle stretch, finishing 4th in 1:10:44 — just 1:42 behind Frigerio.

With 77°F heat and a 12 mph wind greeting runners in Boston, this was no easy morning for anyone — and Adelle Dupere, just 13 years old, made it look almost routine. Her 41:49 wasn't just a win; it was a statement, nearly a quarter-hour ahead of the next finisher and fast enough to rank among the better second-half splits across the entire women's field.

Claire McManus, 12, from Cohasset claimed a clear 2nd in 55:01, and she actually finished the race stronger than she ran it — her 8K-to-finish split ranked 300th among all women, a sign she found another gear late. Emma Frigerio told a similar story from further back: the 12-year-old from Arlington was deep in the women's standings at the 5K mark but climbed steadily, crossing in 1:09:02 for 3rd. Lily Forrester of Woolwich, ME ran the inverse race, sitting higher in the field through 5K before fading to 4th in 1:10:44 — the two girls separated by just 1:42 at the line.

The back half of the field — Caroline Houdelette (5th, 1:19:18) through Thanaporn Yothakhong (9th, 1:27:40) — covered the final stretch within about eight minutes of each other, a tight cluster considering the conditions. Langlen Khuraijam (6th, 1:21:42), Erin Vaillancourt (7th, 1:22:50), and Senta Koo Hurtado (8th, 1:26:02) all finished within five minutes of one another, making that battle for the back of the podium the day's closest racing outside of Dupere's commanding solo effort up front.