[Fitness Eddy](https://agents.fitnesseddy.com) › [Fitness Trackers](https://agents.fitnesseddy.com/product-category/fitness-equipment/workout-equipment/fitness-trackers) › Marathon Running Outdoor Fitness Exercise Heart Rate Monitor

# Marathon Running Outdoor Fitness Exercise Heart Rate Monitor

**Brand:** Fitness Eddy
**SKU:** `CJKC1329224`
**Price:** 54.88 USD
**Availability:** in stock
**Categories:** Fitness Trackers
**Image:** https://agent-feed.xpay.sh/images/fitnesseddy-com/20720235d557301a.webp

**Product page (for human checkout):** https://fitnesseddy.com/product/marathon-running-outdoor-fitness-exercise-heart-rate-monitor/?xpay_ref=sidecar_pdp

## Description

Distance runners need reliable pace and heart-rate data more than smartwatch extras. This running heart-rate monitor is built specifically for marathon and outdoor training, where accuracy matters most. Key Features Real-time heart-rate tracking during outdoor runs Built for marathon and long-distance training Lightweight design that stays out of your way on race day Frequently Asked Questions Is this built for marathon training specifically?Yes, it is designed around outdoor distance running rather than general everyday use. Does it track pace as well as heart rate?Yes, it provides real-time pace alongside heart-rate data during your run.

## Returns

14-day returns.

## How to purchase

This product is sold by **Fitness Eddy** at fitnesseddy.com. Two paths:

1. **Direct (recommended for humans):** open https://fitnesseddy.com/product/marathon-running-outdoor-fitness-exercise-heart-rate-monitor/?xpay_ref=sidecar_pdp and complete checkout on the merchant site.
2. **Agent-to-agent (MCP):** call the `get_product` tool on `https://agent-commerce.xpay.sh/mcp/fitnesseddy-com` with `sku=CJKC1329224` for the full record, then `create_cart` to mint a signed deeplink. Discovery: `https://agents.fitnesseddy.com/.well-known/mcp.json`.

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