# Coach Phạm Hải – Cal.com booking page

> Coach Phạm hải, huấn luyện viên chạy bộ, ba môn phối hợp Ironman. Phạm Hải cũng là người sáng lập ra Câu lạc bộ chạy bộ RUN365.vn, anh đã giúp cho gần 800+ người tập luyện chạy bộ và hơn 120 người về đích tại các giải Ironman 70.3 Việt Nam

Booking page: https://cal.com/pham-hai

## Event types

- [Tư vấn 42km Full Marathon](https://cal.com/pham-hai/42km): 20 min, confirmed instantly, event type id 6131625. Details: https://cal.com/pham-hai/42km.md
- [Tư vấn 21km Half Marathon](https://cal.com/pham-hai/21km): 20 min, confirmed instantly, event type id 6131624. Details: https://cal.com/pham-hai/21km.md
- [Tư vấn Chạy 10km](https://cal.com/pham-hai/10km): 15 min, confirmed instantly, event type id 6131623. Details: https://cal.com/pham-hai/10km.md
- [Tư vấn Chạy 5km](https://cal.com/pham-hai/5km): 15 min, confirmed instantly, event type id 6131622. Details: https://cal.com/pham-hai/5km.md
- [Tư vấn Ironman 70.3](https://cal.com/pham-hai/ironman-70-3): 30 min, confirmed instantly, event type id 6006380. Details: https://cal.com/pham-hai/ironman-70-3.md
- [Tư vấn Full Ironman 140.6](https://cal.com/pham-hai/ironman-140-6): 30 min, confirmed instantly, event type id 6006379. Details: https://cal.com/pham-hai/ironman-140-6.md

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=<event type id>&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.com/docs/api-reference/v2/introduction