PACING_NEGATIVE_SPLIT

Generated from the code registries by scripts/gen_code_pages.py — do not hand-edit.

Second half faster than the first by more than 2%

Insight — a notable observation from the optional analytics layer (chiptime analyze / chiptime.metrics.analyze). Appears in a report's insights[] with a human message and numeric evidence.

Handling it

import chiptime
from chiptime import metrics

report = metrics.analyze(chiptime.parse("activity.fit"))
for ins in report.sessions[0].insights:
    if ins.code == "PACING_NEGATIVE_SPLIT":
        print(ins.message, ins.evidence)

All codes are stable machine contract — grep logs for the string PACING_NEGATIVE_SPLIT, branch on it in pipelines, and see the codes registry for the full list.