As if competing in a county championship wasn’t enough to give a runner a jolt, Sachem East’s Alexandra DeCicco got a shock that jump started her jam-packed racing day.

Sachem East’s Alexandra DeCicco fought off the charging Jackie Thorne of Northport to win the 1,000-meter run in 2:57.53 for the first of her two distance wins with big kicks during the Suffolk County large school championship Wednesday at Suffolk Community College in Brentwood. She won the 1,500 in 4:50.42.

“I wanted to run fast, so I thought (my coach) was saying ‘someone’s behind you,’” DeCicco said. “And then I didn’t realize because I eased up and thought ‘yeah I got it, win one for the team,’ and then I see her foot.”

DeCicco pulled off the win by a step and immediately left the track to prepare for the 1,500. She returned an hour later after an injury on the track pushed back start times. This time, she left no doubt, creeping to the front early and breaking away to put space between herself and the competition.

“I had to conserve my energy, but then nobody took a lead,” DeCicco said. “So I thought it was my duty to take it to help the rest of my team. I just took it and it turned out well for us.”

She returned a third time as the anchor on the 4x400 relay that took third in 4:09.21. She credited a hard training regimen during cross country with giving her the stamina to push herself three times in the same day.

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“My team is very strong, so we build on strength the whole season and we keep it up,” DeCicco said. “So I’d like to think that that would be it and also experience. I did this double last year, so I knew what to expect and my body knew how it should feel.”

Sachem East won the team title with 110 points. Bay Shore came in second with 66 and Ward Melville took third with 31.

Sachem East’s winners included Valerie Romero in the 3,000 (10:19.21), Amanda Fitzgerald in the shot put (35-11.50), Lauren Harris in the 1,500-meter race walk (6:48.12) and the 4x800 relay with Ciara Murphy, Shayna Arrigo, Jillian Manfredi and Shelby Trentini in a first-place 9:41.78 finish.

“We put so much work in all year round,” Murphy said. “We won cross country champs, we won this county champs, we’ve got one more to go for the triple crown and that means so much to us.”

Whitman’s Alexandra Greaves won the 55-meter in 7.28 with her mother, Karen Greaves, who once held the Suffolk record in the event at 7.1, in attendance. Lindenhurst’s Trista Seara won the 600-meter in 1:39.43.