USIOT 2027 Official Contest Schedule
Preliminary Rounds, National Finals, and IIOT International Finals
You can view the 2025 IIOT International Finals recap video here.
The IIOT 2027 International Finals will be held in Varna, Bulgaria.
Schedule Timeline
Preliminary Round 1
November 16, 2026Preliminary Round 2
December 15, 2026Preliminary Round 3
January 13, 2027Preliminary Round 4
February 11, 2027National Finals
March 27, 2027The National Finals will be held on March 27, 2027 at a designated in-person venue in San Jose, California. The USIOT will determine which teams are online or in-person based on distance from the contest venue. Invitations to participate shall be extended to teams based on cumulative performance in the Preliminary Rounds. Specific dates and the location will be communicated no later than 30 days prior to the event.IIOT International Finals
May 28-June 1, 2027The IIOT International Finals shall be conducted from May 28th through June 1st, 2027 in Varna, Bulgaria. The team representing the United States shall be determined based on results from the National Finals. Specific dates and logistics will be announced before the National Finals.
Preliminary Rounds
Four online rounds held on the dates listed above, following official USIOT rules and format.
Contest Results
National Finals
The National Finals will be held on March 27, 2027 in San Jose, California. Participation (online or in-person) will be based on distance to the venue. Invitations will be sent according to cumulative performance in the Preliminary Rounds, with specific times and location communicated at least 30 days prior.
IIOT International Finals
The IIOT International Finals will be conducted from May 28th through June 1st, 2027 in Varna, Bulgaria. The U.S. team selection is based on National Finals results; more information announced in advance of the event.
Links to Previous IIOT Problems and Syllabus
Practice with past tasks and review the syllabus.
General Provisions
- All participants are expected to adhere strictly to the USIOT Code of Conduct.
- Failure to comply with participation requirements or contest rules may result in disqualification.
- The USIOT National Committee reserves the right to modify dates, logistics, financial details, and venues as necessary.