# 比賽功率產生數據不足

Stryd 的比賽功率計算器會使用您過去90天的跑步活動來估算您建議目標。在某些情況下，您可能沒有足夠的數據：

1. **CP 無效**\
   您尚未有臨界功率。\ <br>
2. **數據不足**\
   您需要更多跑步紀錄才能計算出比賽功率。Stryd 至少需要進行5次跑步，越多紀錄的準確性越高。


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://strydtaiwan.gitbook.io/stryd/qa/training-plans-and-tips/race-power-calculator/race-power-calculator-not-enough-data.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.