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Cal Poly Pomona Athletics

2025 Men's Cross Country Roster

Greg Siller

Jimmy Guerrero

  • Height/Weight 5-10 / 135
  • Class Redshirt Junior
  • Hometown Downey, CA
  • High School Downey HS

Biography

Awards & Honors
  • USTFCCCA All-West Region (2025)

  2025   Redshirt Junior | Cal Poly Pomona  
  • USTFCCCA All-West Region with 20th place finish at West Regionals
  • Competed in six races.
  • Placed 2nd at the 2025 Cougar Challenge 8K on Sept. 13 at 24:20.1
  • Placed 81st at the Lucian Rosa Invitational 8K on Sept. 27 at 26:17.9
  • Placed 5th at the 2025 Pomona-Pitzer XC Invite 8K on Oct. 4 at 24:40.4
  • Placed 20th at the 2025 CCAA Cross Country Championships 8K on Oct. 24 at 25:27.4
  • Placed 20th at the NCAA Division II West Region Cross Country Championships 10K on Nov. 8 at 30:25.9
  • Placed 218th at the NCAA Division II Cross Country Championships 10K on Nov. 22 at 33:00.7
 
  2024   Redshirt Sophomore | Cal Poly Pomona  
  • Competed in one event
  • Finished 7th in the Coyote Challenge with a time of 26:03.1 in the 8k

  2023   Redshirt Freshman | Cal Poly Pomona
  • Competed in three meets for the Broncos in Cross Country
  • Competed in four meets for Track & Field, in the 1500 meters, 5000 meters, and 4x800
 
  2022   Freshman | Cal Poly Pomona
  • Did not compete for the Broncos in cross country or track and field as a true freshman
  • Earned fourth-place medal among 11 entrants in 10,000 meters during 2023 USATF U20 Outdoor Championships at TrackTown USA (Hayward Field) in Eugene, Ore., timing 32:48.03 on July 7 to cross only behind a trio of Division I runners.

High School  
  •  A 2022 graduate of Downey High School in Downey, CA
  • Three-year varsity letter winner in cross country for Vikings and four-year letter winner in track and field
  • Finished fifth at the 2019 San Gabriel Valley League (SGVL) Cross Country Championships
  • SGVL cross country champion in 2021
  • SGVL track champion in 1600 as a junior and senior
  • Added SGVL track title in 3200 as a senior
  • Broke school records at three-mile and 1600 distances

Personal  
  • A Kinesiology major
  • Aspires to continue competing in track and field after graduating from CPP, and then getting into coaching
  • Favorite TV show is The Office
  • Favorite movie is Goodfellas
  • Favorite pro sports teams are the Los Angeles Lakers and Dodgers and the New England Patriots 
  • Favorite pro athlete is Reggie Bush

Historical Player Information

  • 2022Freshman

    5'10" 125 lbs
  • 2023Redshirt Freshman

    5'10" 125 lbs
  • 2024Sophomore

    0 lbs
  • 2025Redshirt Junior

    5'10" 135 lbs