@Travellexxie 50 points is not applied to XT!
Garmin zūmo XT (Original) Limits
• Via Points Limit: 29 intermediate via points max (31 total via points including Start and End). Going over this forces an automatic route split.
• Shaping Points Limit: Up to 125 unannounced shaping points allowed between each via point.
• Total Combined Capacity: Because of the 125-shaping-point gap allowance between each of the 31 total via points, a single intact route file can mathematically hold up to ~3,750 points total, successfully ignoring the confusing "50-point cap" written in some of Garmin's general documentation.
BUT
DO NOT use a total if too many points in total as this slows down the XT‘s calculation.
Garmin zūmo XT2 & XT3 Limits
The newer generations completely dropped the restriction of a "points between vias" architecture in favor of a massive flat pool:
• Via Points Limit: A flat maximum of 100 via points total per route.
• Shaping Points Limit: A flat maximum of 1,000 shaping points total per route.
• Total Combined Capacity: The routing engine allows up to 1,100 total combined routing points on a single calculated trip.
Why did Garmin reduce the total capacity of points from XT to XT 2 and XT3?
While it looks like a downgrade on paper, Garmin changed this to fix a massive performance flaw.
On the original zūmo XT, if you actually tried to load a complex route containing thousands of points, the device's processor would choke. It would take several minutes to calculate, lag heavily when you went off-route, or completely crash mid-ride. The "125 points between vias" rule was a legacy structural setting in Garmin's code, but the hardware couldn't smoothly run a single route packed to that limit.
By switching the XT2 and XT3 to a strict 1,100 total point ceiling, Garmin ensured the routing engine always has enough computational headroom to calculate instantly, render complex maps smoothly, and recalculate on the fly without lagging.
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