Interest in CGMs for endurance sports has surged, but serious reviews caution that utility in athletes without diabetes is still debated and interpretation can be tricky. At the same time, the consumer ecosystem is expanding (e.g., wearables integrating glucose insights in the U.S.).
Try this: if using CGM, focus on a few repeatable questions (fueling during long sessions, pre‑competition meals) instead of chasing “perfectly flat” glucose.