index.js

import React, { Component } from "react";
import ParticipantBox from "../participantBox";

export default class ParticipantContainer extends Component {
    convertDataToContainer(){

    }
    render() {
        return (
            <div className="part-container">
                {this.props.data.map( (participant,i) => {

                   return <ParticipantBox key={"participant_" + i}info={participant}/>
                })}
            </div>
        );
    }
}