Some of Warren's background involves:

Lifesaving:
South African Iron Man 3rd 1993
South African Rescue & Rescucitation Team 2nd 1993 
South African Surf Swim Team 2nd 1995 
South African Fresh water Surf Swim Champion 1996
South African Junior Surf Ski Individual 2nd 1991
South African Junior Surf Ski Team 2nd 1991
Western Province Junior Victor Ludorum 1991

Clifton Surf Lifesaving Club Victor Ludurom 1994
Llandudno Innovation 8 Man Classic Team Champion 1996
Fish Hoek Pride of The Bay Team
- Gold 1994
- Silver 1996
- Bronze 1997

Touring teams
President's Team Manly-Warringah 1993
Western Province Lifesaving Team 1993-1994
U21 Tour of Australia 1993
Clifton Surf LSC World Championship Team 1996
Western Province Iron Man Team -Bonnita Challenge

Roles fulfilled
Western Province Lifesaving Executive - Competition Officer 2004-2005
Nokia Helicopter Rescue Team 2005
Clifton Surf Lifesaving Club
-Patrol Officer 2005-2006
-Mentor to Treasurer 2005-2006
-Squad Leader 1995-1996,1998-2000, 2003-2004
-Nipper Officer 1994-1995

Membership:
Clifton Surf Lifesaving Club 1986-1996, 1998-2001 , 2004-2005
Bondi Surf Lifesaving Club (Sydney) 2002

SCUBA (PADI Open Water I)

Learn To Swim Instructor (Western Province Aquatics /SwimSA)

Good Hope 100 -surfski leg
Spur Steak Ranch 99 (Relay Three Anchor Bay to Robben Island)
Total Sports Challenge - Surfski leg, canoe leg
Radio 5 Team Triathlon -  swim leg
Radio 5 Triathlon - Gordons Bay
Winter League Waterpolo
Dragon Boat Racing
Big Walk 30km 2012
Fish River Canyon Hike 2012
Seconding a number of swimmers on Robben Island-Three Anchor Bay crossings.

Triathlon:

Clanwilliam FreshPak Triathlon 2013

TriRock Robben Island Triathlon 2013

IronMan 70.3 2014 00:29:05/ 03:29:34/ 02:28:20  6:36:35  (Good swim).