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2023 Appearances & Speaking Engagements:

Mark Sullivan speaks to a group of runners and walkers and offers some last minute tips for race day before leading them in a pre-race fun run & walk.

Mark Sullivan serves as marathon course expert and answers participants’ questions about the course at the expo.

For details on any of the appearances or speaking engagements listed, e-mail:


Mark Sullivan shares stories of his marathon experiences as he speaks at an annual pasta party. 

2023 AACR Philadelphia Marathon Race Weekend

On Friday, November 17, Mark Sullivan will be honored at the Mayor’s Press Conference and Opening Ceremonies as one of the two original Philadelphia Marathon LEGacy Runners.

The press conference and opening ceremonies will take place in the main hall just outside the entrance to the Health & Fitness Expo at the Philadelphia Convention Center, located at 12th & Arch Streets beginning at 11:15 a.m.

Mark Sullivan will again be serving as course expert at the 2023 Philadelphia Marathon Health & Fitness Expo and will present course overview seminars with information on how to run your best for the half marathon and full marathon courses on Friday, November 17 and on Saturday, November 18 the full marathon.

The schedule for the seminars is as follows:

Friday, November 17 from 2:15 p.m. to 3:00 p.m.

“Pacing For Your Best Race and Course Overview"

(This seminar will be co-presented by Mark Sullivan and Ross Martinson.)

Friday, November 17 from 7:00 p.m. to 7:45 p.m.

“The Course: What You Need To Know”

Saturday, November 18 from 2:15 p.m. to 3:00 p.m.

“The Course: What You Need To Know”

Mark Sullivan will also be attending the AACR Philadelphia Marathon Partners Reception on Thursday evening along with other weekend events. Check back for specific times and additional opportunities to connect with Coach Mark during Philadelphia Marathon Race Weekend.

In addition to his other duties, Coach Mark will once again be running the 2023 Philadelphia Marathon as part of the AACR Runners For Research Team. Click here or on the graphic below for more information about this dedicated group of individuals and to make a donation.


Additional 2023 appearances will be posted as scheduled. Please continue to check back for dates and times.



Coach Mark Sullivan will be in Burlington, Ontario March 3rd through the 5th for the 2023 AVELLA Chilly Half Marathon. In addition to his appearance on race day, Coach Mark will be at race kit pick-up on Friday afternoon, March 3 and Saturday afternoon, March 4, and will be available during those hours as well as other times to talk with race participants and to answer any questions about training or racing. (For specific appearance times, or to schedule time with Coach Mark, email: mark@irunicoach.com


FREE Running Clinic Sponsored by VR PRO, Inc.

On Sunday, May 28, 2023 at 9:00 a.m. (before the start of the Bronte Creek  5K/10K Run/Walk in Bronte Creek Provincial Park, Oakville, ON, Coach Mark Sullivan will present a FREE Running Clinic entitled, “Run Faster And Reduce Your Risk Of Injury”. The clinic is free for all race participants and is sponsored by VR PRO, Inc. For more information click here or on the graphic below.



Philadelphia Half Marathon Weekend Training Kick-Off Event

On Saturday, September 30, Coach Mark Sullivan and Bart Yasso will be co-hosting the Half Marathon Kick-Off Training Run for 2023 Dietz & Watson Philadelphia Half Marathon and training run for the Philadelphia Marathon. This will also be an official AACR Runners For Research event.

As always, Mark will answer any questions about training for and/or racing the Philadelphia Half Marathon, and will share insights about the course.


Coach Mark Sullivan speaks to runners and walkers after a kick-off run for the Philadelphia Marathon.

Mark addresses a group of runners (including Marathon Legend, Bill Rogers) before leading them in a short pre-marathon shake out run.


AACR Philadelphia Marathon Weekend Training Kick-Off Event

Join Coach Mark Sullivan along with Bart Yasso, the team from Philadelphia Runner, nd hundreds of runners and walkers on Saturday, July 29 starting at 7 a.m. at the base of the steps in front of the Philadelphia Art Museum for the 2023 AACR Philadelphia Marathon Weekend Kick-Off Training Run. There will be several different measured distances from which to choose. This will also be an official AACR Runners For Research event.

After participating in the run, Coach Mark will stick around all morning to talk with participants and to answer any questions about training for and racing the Philadelphia Marathon, and to share insights about the course.

(More information about this free July 29 event and the AACR can be found on the Philadelphia Marathon web site. Click here.)


2023 will mark the 30th Anniversary of the Philadelphia Marathon and once again Mark Sullivan will be participating to support the American Association for Cancer Research (AACR) as part of their Runners For Research Team.