The only major question mark against his World Hurdle credentials remaining was his ability to handle the track .
Colin Tizzard 's Thistlecrack had been one of the most impressive performers of the season heading into Saturday 's Cleeve Hurdle at Cheltenham .
The only major question mark against Colin Tizzard 's World Hurdle credentials remaining was his ability to handle the track .
Colin Tizzard 's Thistlecrack had been one of the most impressive performers of the season heading into Saturday 's Cleeve Hurdle at Cheltenham .