American Canoe Association

National governing body for all paddle sports

Appalachian Mountain Club

Offers many courses on mountaineering, rock climbing, etc. in NJ through NH

ARFE

A non-profit organization dedicated to promoting environmental-friendly Adventure Racing and recreational land use.

Central New York Orienteering

NY based group that puts on orienteering events in NY & NJ

Hudson Valley Orienteering

NY based group that puts on orienteering events in NY & NJ

Hudson Watertrail Association

Coalition of small boaters primarily human and wind powered

Jersey Off Road Bicycle Association

NJ based group that puts on mountain bike races in NJ

Metropolitan Association of Sea Kayakers

NY based organization for kayaking

New York Road Runners Club

NYC based group that puts on many road running races and has training runs

New York Triathlon Club

NY based group that puts on triathlons and biathlons

Raceday

A company organizing sponsorship in endurance sports by matching up nominated athletes to public donations

Ramapo Valley Cycling Club

NJ based group that puts on mountain bike races in NJ

US Orienteering Federation

Great site for events, clubs and other orienteering links

Petzl Online Technical Manual

Online Technical Manual

USA Canoe & Kayak

Governing body for Olympic canoe and kayak; good resource for coaching and learning from Olympic paddlers

New York Marathon Canoe Racing Association

NYMCRA - New York Marathon Canoe Racing Association

Breakaway Sports

They put on adventure races - both road and trail running races