Deep analysis, training strategies, and product comparisons.
A static plan can’t see the week you just lived. Connect a device; Rex helps the plan meet the runner you are this week — with you (or your coach) still deciding.
At the 2017 Chicago Marathon my watch logged every kilometer, but not the gel that made me sick. This post covers what NexRex's AI assistant Rex remembers, and why not everything needs to be remembered.
Twice I ran a Boston qualifier and still got cut. From Joey’s last ten kilometers beside me to wanting Rex to be every runner’s teammate.
Paste the NexRex MCP URL into Grok Bot, approve OAuth, and query real training context—AI drafts; you decide.