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Ultramarathons in Main Line & PA Suburbs (2026-27)

Updated November 7, 2026

No ultramarathons are listed in Main Line & PA Suburbs in the next 90 days; the next is ChesCo Race Fest on Saturday, March 6 in Wayne. 2 ultramarathons are listed in Main Line & PA Suburbs for the next 12 months; the next one starts from $50.

All PhiladelphiaPhiladelphia (1)Main Line & PA Suburbs (2)Princeton & Trenton (1)

• Sat6Mar

  ChesCo Race Fest

  Sat Mar 6 · 9:00 AM · Wayne · Main Line & PA Suburbs

  Half marathonMarathon50K

  from $50Goes up Dec 30Sign up ↗
• Sat8May

  Dawn To Dusk To Dawn Track Ultras

  Sat May 8 · 7:00 AM · Sharon Hill · Main Line & PA Suburbs

  50K100 miles

  from $100Sign up ↗

Quick answers

How many ultramarathons are in Main Line & PA Suburbs in the next 3 months?

None are listed between November 7 and February 5. The next one after that is ChesCo Race Fest on Saturday, March 6 in Wayne.

When does the next early-bird price end for ultramarathons in Main Line & PA Suburbs?

ChesCo Race Fest: the Half marathon goes from $70 to $75 after December 30.

Are there ultramarathons in Main Line & PA Suburbs this weekend?

None are listed for November 7 to November 8. The next is ChesCo Race Fest on Saturday, March 6 in Wayne.