From Google Mapki

• www.42k195.com - The worldwide marathon directory - Find your next Marathon Beyond the most famous marathons as New York, Chicago, Berlin or London, www.42k195.com lists a great number of marathons worldwide and allow you to select them on a map or using the next races schedule. This site is dedicated to all marathoners who wish to combine running and the pleasure of trips and discoveries.

• All-in-one sports map mash-up Create routes for running, biking, and other activities, with distance calculation, calorie counter, GPS data import and etc. Support English, Chinese, and Japanese.

• American Soccer Stadiums American Soccer Stadiums - MLS, USL, NCAA - on MySoccerLinks.com

• runsaturday Sports training log - including lots of Google Map and GPS integration - speed maps, heart rate maps, course maps and OpenStreetMap integration growing and changing fast.

• Arenas in Canada & USA Hockey and Ice skating arena locations across North America on RinkMapper.com

• ArenaTrack Maps and directions to ice rinks and arenas throughout the US and Canada.

• Australian scuba diving and spearfishing map Good spots for spearfishing and scuba diving in Australia. Users can add new spots, comments and photos

• 2006 MS150 Bike Route Map by PSmitty The route map for the 2006 MS150 bike tour from Houston to Austin. Includes breakpoints and route tracing.

• Arena Football Franchises This is a year by year map of Arena Football franchises. Clicking the checkboxes turns on/off AFL or af2 teams being shown.

• Backcountry Secrets Points shared by users for good places to participate in outdoor sports.

• Ballparks by Ted - Baseball stadiums for the 30 major league Teams plus the AAA parks. Uses side panel.

• bergen windsurf Windsurf spot locations around Bergen, Norway. Also spot in Denmark, Egypt, Canari islands, Spain and Medeteraninan.

• Bicycle Portal - Create, share and find cycle routes with total distance, elevation profiles, GPX & KML output. Live webcams & weather for selected areas. Elevation data for the world, topographic maps for the U.S.

• Blennylips BonaireTalk Map. Bonaire Talk is a topic/thread based chat board for those interested in the scuba diver's paradise of Bonaire, Netherlands Antilles. This map project allows you to browse the board by the poster's name and location

• Bab y Maps : Climbing Maps This is a Climbing (crag or boulder) maps of the site Bab y bivouac (europe).

• CaddyBug USA - Golf Caddy Customer Locations Locate CaddyBug golf cart users.

• Chicago Area and Illinois Disc Golf Courses Disc golf course locations in Illinois and the greater Chicago area with links to course maps, information, and discussions. Includes user rating system for courses.

• Courts Of The World a Google Maps based application to locate public basketball courts around the world.

• Dance Location Database an interactive database of dance locations, for ballroom dancing, latin dancing, salsa, tango argention etc.

• Favorite Run Map your running routes online. Save for others to view. Search for routes.

• FIFA Soccer WM 2006 Locations of the German FIFA world cup 2006.

• Fishing Stories A place where users share their fishing experience with others, whether your fish is a trophy bass or a tiny minnow. So go ahead and add your fish to the map.

• Football WM 2006 Location of German cities hosting FIFA's world cup 2006.

• Formula One Circuits by mapmash. Displays satellite images of all Formula One Grand Prix venues from 1950.

• GeoDistance Great for runners, walkers, bicyclist or anyone interested in how far it is between 2 or more points. Map, save, find, and share the distance of routes around the world.

• GmapGolf This site allows you to layout courses on top of the real images of golf courses on Google Maps, and then play golf on them.

• Gmap-Pedometer Lets you get the distance of your running (or cycling!) routes from the comfort of your browser. Features include sharing routes through the URL, calorie calculation, and elevation graphs.

• Golf Finder - Golf's Interactive Search Engine Golf's Interactive Search Engine - Golf-Finder.Net. Find Golf Courses, Golf Clubs and Golf Buddies. The only Golf resource you need!

• Golf Bonk email Comprehensive directory of 20,000+ golf courses for US and Canada with high resolution course imagery and details. Includes hourly forecasts for courses with annotations, to identify and share key course features.

• Golf Course Spot A fully editable Golf Course Wiki with user reviews and course descriptions.

• Golf Nation A large collection of courses in various cities across the US. All courses have a great deal of information including tee lengths and overhead photos of each hole.

• Golfplatzfinder Finding golf courses in Germany with course details and simple rating. Enter a German zip or a German city to check it out, eg. Munich..

• Golftours A collection of european courses and golf related hotels.

• Golf World Map Interactive Map of Golf Courses Worldwide - The most comprehensive Golf Course Directory with Satellite Images and Photos.

• Hockey Map by Chad - Map of North American professional hockey (beta- next step: ability to select display by league).

• Hood to Coast Maps by JGraham - Complete route maps of each leg of the Hood to Coast run in Oregon from Mt. Hood to Seaside.

• Kayak World Map The kayak world map shows kayak people, rivers, galleries, events and more on a google world map. The map is community driven.

• KiteSK8 This site allow you to see and add places where you can practice Mountainboard and Kite Mountainboard.

• Live Sports Map Live updating sports scores and news. Scores are marked directly on top of the home team's stadium/arena with an option to zoom in for a satellite photo.

• MapItPronto. Use this tool to Upload/View GPS Routes and plot as well as planning a future route. Uploading your GPS route allows you to see it on google maps with statistics such as average speed, ascent, descent, max speed. You can then enable graphs including elevation, speed, and heart rate. The Route Planner allows you to plot out your own route, calculating distance, and even graphing the elevation of the route for you.

• MapMyRun by [1] MapMyRun.com provides people of all athletic ability easy-to-use, comprehensive web-based tools to get healthy and train more effectively as an individual or group by allowing you to map your run, ride, walk or any activity. Share all your routes with all with friends and family. Easy map creation, auto elevation, draggable markers, distance calculation, and calorie counter.

• myGuideVTT Map your GPS track online. Analyse your data file. Save for others and get a kml file for a 3D view with google Earth.

• Net4U Find a place to fish in the United States by searching on your zip code.

• NFL Stadiums and College Bowl Games Shows a list of NFL stadiums and stadiums where college bowl games will be played.

• Oregon Golf Courses by Manny. The website shows a dynamic map of all the golf course in Oregon and Southern Washington. Enter a city in Oregon, and it'll display the golf courses nearby. Move the map, and the map (and markers) update.

• Paintball Fields by Roy - Find paintball fields around the United States.

• Pinch.it Windsurf, Kitesurf and Surf locations. This map project allows you to browse the map and check webcams, weather/wind stations, spot info, windsurf stores, surf schools and much more.

• RecPath A simple tool for finding distance along a route. Add, remove or insert points. Save routes as links.

• River Flow Rates The ultimate fly-fishing tool. What are the current flows for rivers in your area? There's nothing that indicates good fishing better than current flow rates.

• RouteSlip.com A new site for cycling enthusiasts that lets users create interactive route maps for their favorite rides.

• RunningAHEAD.com A complete training log solution that allows you to track all your workouts, allows you to search and graph your progress, and create, save and search for running routes.

• RunOutside.com A complete training log solution that allows you to track all your workouts, and is a google mashup for ForeRunner and TimeX watches.

• RunThere by Leo. The first part of an online running community.

• Run/Drive Feature This web site traces and follows a specified route. However, the server that hosts it is down some of the time, so check back later if it doesn't work.

• San Fermin Pamplona Running of the Bulls by CodeSyntax - One week of action in July, simple project.

• SCCAForums.com Race Tracks Motorsports Race Tracks and Driver location Directory.

• SingletrackWiki A trail wiki that makes use of GoogleMaps to locate trailheads.

• Ski Bonk by David. View real-time ski conditions for ski resorts all over the world on Google Map along with webcams, resort information, trail maps and weather forecasts. Snowcast feature predicts which resorts will have the best snowfall in next 24 hours.

• Socster.com Pickup soccer games page - find a pickup soccer game near you, or organize a new one.

• Sports Map by Ron - Maps and driving directions to all pro sports venues (MLB, NFL, NBA and NHL) in the US and Canada. Dropdown menus list all leagues and teams - very easy to use.

• Stadium Hunt Stadiumhunt.com is a global sports database of over 1,000 international stadiums, arenas, racetracks and courses containing satellite images, news, commentary, information and directions.

• Swimming Pools by Roy - Find swimming pools around the United States.

• Tennis Map by Steve Tennis court locations in the Greater Atlanta Area.

• Tracks4Bikers is a site, primarily designed for cyclists and other outdoor activities, that helps you creating and sharing GPS tracks. Main features: autorouting, elevation profile, communication with Garmin devices.

• Velodrome Locations Velodromes (bicycle racing tracks) worldwide.

• Walk Jog Run by Adam. This pedometer is on version 3.01 as I write this and builds on previous releases by allowing the community of runners across the US to create and share their own running / walking or jogging routes.
• World Sports Ground Satellite Images - This has a list of aerial photos of sports grounds from across the world, including NFL, MLB, English Premier League and F1 Circuits.
• Mappa indivenire dei playground torinesi - La mappa dei playground e delle palestre, gli impianti per il basket a Torino.
• Crankfire.com - Connecticut based GPS/GPX data hub for mountain biking trails. We use the Google Map API to plot trails and waypoints and to allow users to create and download GPS Routes.
• MapGameDay.com - Create college football stadium maps, and gameday event maps. Share ticket locations, tailgating spots, after game parties, or campus meet ups. Campus tagged images from Flickr are also presented.
• NFL Draft - Watch the 2006 NFL draft unfold. View draftee's by state, by school, or by hometown.

• MapRaceWeek.com - NASCAR Fan site which uses Google Maps to help fans find and recommend places near the track, as well as create custom maps in preparation for race week.

• KarstClimber.com - Shows places to go rock-climbing near Yangshuo, China.

• Map of Places for Pickup Games Map of basketball courts, tennis courts, golf courses, softball/baseball fields, pool halls and bowling alleys for pickup games.

• Wikipaddle - online kayak and canoe knowledge base anyone can edit.

• Disc Golf Course Maps - Disc Golf course maps.

• TennisMaps Location of tennis courts in Austin, Texas and other cities.

• Ridertech.com - Action sports community with maps, videos, photos and more... skate/snow/surf/bike/moto/wake.

• Run-N-Share - Site for sharing routes (mainly running routes, but not only). Currently in beta.

• Create your own discgolf map - Create a map of your discgolf course, up to 27 holes.

• Create your own trail map - Create a map of your route.

• Find tennis courts, clubs, and shops - Find Washington, DC Metro area tennis courts, clubs, and stores.