NB30-34 · 5K

NB30-34: Halsne runs away with it in San Francisco

By MyRace AIJuly 26, 2026Official site ↗

Three athletes toed the line for the NB30-34 race along San Francisco's iconic waterfront, and Zoe Halsne wasted no time making the outcome clear. The 31-year-old local ran 26:50 at 8:38 per mile — a pace neither of her competitors could match at any point in the race.

The gap tells the whole story up front: Halsne crossed the finish line more than 12 minutes ahead of Jensyn Porter, who claimed 2nd in 39:16 at 12:38 per mile. That's a substantial difference in pace across the same 5K course, with 15 mph winds and 70% humidity making conditions honest for everyone. Porter's effort was solid enough to keep 3rd place at arm's length, finishing 4:31 ahead of J. Aaron Delgado, who made the trip up from Los Angeles and completed the course in 43:47 at 14:06 per mile.

With only three finishers, every spot on the podium was earned, and Halsne's 26:50 stands as the clear performance of the day in the NB30-34 field.

The course

Course map — San Francisco Marathon
37 ft range ≈ 3 story building (12 ft each)×3-22 ft-102 ft01.6 mi3.1 mi
3.1 miles · 171 ft elevation gain
The course · start finish · © Mapbox © OpenStreetMap
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