Team eventing, Open
| Competition | 1966 World Eventing Championships |
|---|---|
| Venue |
Burghley
 GBR
|
| Held | — |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Ireland |  IRL |
— | ||
| Virginia Freeman-Jackson Sam Weller Maj / Eddie Boylan Durlas Eile / Penelope Moreton Loughlin / Tommy Brennan Kilkenny |
|||||
| 🥈 | Argentina |  ARG |
— | ||
| Carlos Moratorio Chalan / Roberto Pistarini Desidia / Ludovico Fusco Gatopardo / Federico Enrique Sztyrle Hijo Manso |
|||||