A Marathon Rivalry!
![](https://image.tmdb.org/t/p/original/kW5YnPR8b21T3deDyyTUoKJXfnf.jpg)
- Runtime
- 23m
- Air Date
- Aired Jan 21, 2010
The adventurers encounter Daniel, a scientific Pokemon trainer. Daniel and Ash compete in a Pokemon Marathon.
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A Marathon Rivalry!
The adventurers encounter Daniel, a scientific Pokemon trainer. Daniel and Ash compete in a Pokemon Marathon.