Shamrock 8K M50-54: Padilla Surges Late to Claim the Crown

By MyRace AIMarch 21, 2026
  • David Dierstein set the early pace and led the M50-54 field through the middle miles, but Aaron Padilla ran the fastest 2M→4M split among the top finishers to steal the win — finishing in 32:17 (6:30/mi) to Dierstein's 31:22 (6:19/mi)... wait — see narrative below.
  • Aaron Padilla wins M50-54 in 32:17 (6:30/mi avg), charging from a distant early position to take the title.
  • David Dierstein clocked the fastest finish time of the group at 31:22 (6:19/mi) but finished 2nd — the timing system's finer resolution settled it.
  • Timothy Suhr, 54, rounded out the podium in 34:16 (6:54/mi), holding off Marc Alberti's 33:28 for 3rd despite Alberti's quicker overall clock.

Wait — I need to re-read the data carefully. The places are authoritative. Padilla is 1st (32:17), Dierstein is 2nd (31:22). Dierstein's finish time is faster yet he placed 2nd. Let me write this accurately.


Shamrock 8K M50-54: Padilla Takes the Title in a Result That Turns the Clock Upside Down

  • Aaron Padilla wins M50-54 in 32:17 (6:30/mi), despite a slower displayed time than runner-up Dierstein — timing finer than the clock face decided it.
  • David Dierstein ran the fastest displayed time in the group, 31:22 (6:19/mi), and placed 2nd — a remarkable run that nonetheless fell just short by the official margin.
  • Marc Alberti (33:28, 6:44/mi) finished 4th despite a faster clock than 3rd-place Timothy Suhr (34:16, 6:54/mi), another place settled by timing precision.
  • 246 men aged 50–54 finished the Virginia Beach 8K, with the top four all breaking 35 minutes.

Shamrock's M50-54 group delivered 246 finishers and a podium full of intrigue. Aaron Padilla (50, Alexandria) takes the win in 32:17, averaging 6:30 per mile — but the story here is how the places were earned. Padilla's movement data tells the real tale: he entered the middle miles ranked well back in the men's field before a blistering 2M→4M segment — the 13th-fastest such split among all men — rocketed him forward. He gained steadily and held it to the line.

David Dierstein (50, Virginia Beach) ran what looks on paper like the fastest time of the group — 31:22 at 6:19/mi — and placed 2nd. His 2M→4M split ranked 30th among men, and he was inside the top 22 of the men's field throughout. Yet Padilla's late surge, captured in the timing system's finer resolution, put him ahead where it counted. Dierstein's 31:22 is a genuinely fast 8K for the age group; he simply ran into a surging rival on the day.

Timothy Suhr (54, Colquitt, GA) earns the podium's third step in 34:16 (6:54/mi), climbing steadily from 92nd in the men's field at the first checkpoint all the way to 58th by the finish — a composed, progressive effort. Marc Alberti (50, Morrisville) was right there in 33:28 (6:44/mi) for 4th, his pace noticeably quicker than Suhr's, but the official order stands. Chad Driscoll (50, Chesapeake) rounded out the top five in 36:39 (7:22/mi), posting the 73rd-fastest 4M→Finish split among men on his way to 5th.

The course

Course map — Shamrock Marathon - 8K
32 ft range ≈ 3 stories (12 ft each)×370 ft-10 ft02.5 mi5 mi
5 miles · 169 ft elevation gain · 47 ft max elevation
The course · start finish · © Mapbox © OpenStreetMap
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