YEAR ONEFirst Diaversary · July 15, 2025—July 14, 2026

A first year in type 1 diabetes, told through the data it left behind.

Glucose, insulin, alerts, travel, school, replacements, and cost—one year of adaptation, seen from five angles.

01 / Glucose & progress

The year found range.

Overall time in range (TIR)77.2%Year One · 104,066 readings
89.1%monthly time in range (TIR)Feb 2026 · 8,065 readings
34%partial first month

A1C through the first year

9.1 → 6.2%down 2.9 percentage points
A1C declined across five testsA1C results fell from 9.1 percent in July 2025 to 6.2 percent in May 2026.9%8%7%6%9.1%Jul 168.4%Aug 227%Oct 296.4%Jan 276.2%May 6

Time in range uses 70–180 mg/dL. July 2025 begins with the first available reading on July 17; July 2026 runs through the reporting window’s final day, July 14.