You will have to be more specific in order to get the manual for your exact model of Timex Ironman watch. Here is a link to the Timex support page with the download links for all the different Ironman instruction manuals:
And here is the direct link to the manual for the Ironman 8 Lap model:
To view the Support Page or the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated and the contents of the Owner's Manual.
You may need ADOBE READER installed on your computer to read PDF documents.
You can download this free at WWW.ADOBE.COM
Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, then follow the onscreen instructions to install the software on your computer.
Thank you very much and good luck.