From the Central Park Conservancy:

“The 2009 ING New York City Marathon: Guaranteed Entry!
Support the park that you love to run in, join the 2009 ING New York City Marathon through the NYRR Charity Partners Program with the Central Park Conservancy to help care for the Park’s 58 miles of scenic pedestrian pathways that you run on. The $3,000 that you raise will ensure your opportunity to cross one of the world’s most famous finish lines.

Get on your mark at: centralparknyc.org/marathon

NYC 2009 Half Marathon: Guaranteed Entry!
The 2009 NYC Half Marathon is coming up soon on August 16, 2009. Although registration is closed, you can still participate by joining the NYRR charity partners program with the Central Park Conservancy. The $1,000 that you raise ensures you guaranteed entry in the race and helps to support Central Park’s 843 acres that has 25 million visitors a year.
Space is limited so please do not hesitate to sign up today at
Centralparknyc.org/halfmarathon