4th Annual Alamo City Electrathon Heads to the Alamodome

ACE Race is one of just 12 National Sanctioned Electrathon America Events in the nation. 

For more information, contact: Al Arreola, Jr., South San Antonio Chamber, Cell: 210-240-1764 Email: al@southsa.org

WHAT: Students from area high schools built single-passenger electric cars using 73 lbs. of Lead Acid Batteries and will race them in an energy-endurance race.  This year we have participants joining from as far as Louisiana.

MORE:   Corporate partners from the South San Antonio Chamber of Commerce have teamed up to host the annual Alamo City Electrathon (ACE) Race at the Alamodome.  CPS Energy, Port San Antonio, HOLT CAT, & other sponsors have joined the South Chamber in their mission to raise awareness and support STEM education programs and workforce development.

This year’s number of participants is more than double in size since the inaugural ACE Race in 2017.

This years teams include students from East Central ISD, Southwest ISD, Somerset ISD, Edgewood ISD, Northside ISD, SAISD, STEM Early College HISD, & teams visiting from Ruston, Louisiana.

Before students hit the track, each vehicle will undergo a series of inspections from corporate volunteers and the students will make a presentation on their work. In addition to each school participating in the stock car competition, schools have also fielded cars in the open car category, allowing them to custom build a vehicle. The vehicles compete in two heats. The 60-minute heats are held on a closed course to see who can run the most laps using only 1,000 Watt-hours of electricity.

Winners will be announced that afternoon.


Friday, January 21 - Inspections & Testing

  • 8:00am Team Check-in
  • 10:45am Team Captain meeting
  • 11:00am Vehicle Inspections
  • 11:30am First practice round, Vehicle Inspections continue
  • 12:30pm BREAK/Lunch
  • 1:30pm Second practice round, Vehicle Inspections continue
  • 2:30pm Teams Meeting
  • 4:00pm End of day

Saturday, January 22 - Competition Day -  FREE/OPEN TO THE PUBLIC 

  • 8:00am Team Check-In
  • 9:00am Opening Ceremony- Cars enter track
  • 10:00am Drop Green Flag; Heat 1
  • 11:15am Heat 1 Results Tallied/Announced
  • 11:30am Lunch
  • 1:00pm Drop Green Flag; Heat 2
  • 2:30pm Award Ceremony

WHERE: Alamodome,100 Montana, San Antonio, TX  78203


-Students fine tuning their self-built electric cars

-Inspections and test laps (Friday)

-Students driving and competing in fast-paced automotive race in self-built electric cars

-Winning teams being announced and reactions to receiving awards in different categories.





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