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Course map

East Potomac Blue Course

9 mapped holes, par 36 in District of Columbia, United States, drawn from OpenStreetMap shapes and measured from them.

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Fairway Social already has this map. Start a round and it sets up the card for you — pars and stroke indexes — so you can score it hole by hole. Clubs use the same map for their events, and members score from any phone.

3D flyover

Fly East Potomac Blue Course in 3D

The course on real terrain, every hole's line of play drawn on it. Pick a hole and fly it from the tee, or tour the whole course.

Opening it loads satellite imagery from Esri and public elevation tiles.
Every mapped hole at East Potomac Blue Course, with par and stroke index where OpenStreetMap carries them, the straight-line distance from the mapped tee to the green centre, the distance along the hole's mapped line of play, and whether that line doglegs.
HoleParIndexTee → greenLine of playShape
147347 yd (317 m)349 yd (319 m)Straight
243419 yd (383 m)421 yd (385 m)Straight
351572 yd (523 m)577 yd (528 m)Straight
4313165 yd (151 m)165 yd (151 m)Straight
5417281 yd (257 m)281 yd (257 m)Straight
655511 yd (467 m)513 yd (469 m)Straight
7415298 yd (272 m)302 yd (276 m)Dogleg left
839205 yd (187 m)206 yd (188 m)Straight
9411336 yd (308 m)337 yd (308 m)Straight

Par comes from OpenStreetMap and is unconfirmed against the club's scorecard.

Stroke index comes from the same source and is also unconfirmed.

Straight-line tee to green centre, summed across all 9 holes: 2865 m. That is a measurement of the map, not the course: a dogleg plays longer than the line across it, and the mapped tee is one point rather than a named, rated tee block.

Line of play is measured along each hole's routing line as mapped in OpenStreetMap — the tee, the mapper's corners, then the green centre — so it follows a dogleg where the straight line cuts across it. Every hole here has one. Neither number is the club's scorecard.

Every hole

Shapes only — tee, fairway, bunkers, water and green — drawn from OpenStreetMap. No aerial or satellite imagery is loaded until you open the 3D course above. The dashed line is the hole's mapped line of play where it has one, otherwise the straight line from the mapped tee to the green centre.

Hole 1Par 4 · 347 yd (317 m)
Hole 2Par 4 · 419 yd (383 m)
Hole 3Par 5 · 572 yd (523 m)
Hole 4Par 3 · 165 yd (151 m)
Hole 5Par 4 · 281 yd (257 m)
Hole 6Par 5 · 511 yd (467 m)
Hole 7Par 4 · 298 yd (272 m) · Dogleg left at 229 yd
Hole 8Par 3 · 205 yd (187 m)
Hole 9Par 4 · 336 yd (308 m)

Where this comes from

Course shapes © OpenStreetMap contributors, licensed under the Open Database Licence (ODbL). See the OpenStreetMap copyright page and the ODbL. Distances are computed from those shapes, not copied from a scorecard, and the club has not checked them. If you play here and something is wrong, the club can correct it in the app.

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