JMC Running Co: 4-Hour Relay & Solo-Ultra Challenge
JMC Running Co: 4-Hour Relay & Solo-Ultra Challenge is listed for July 18, 2026 in Phoenixville, Pennsylvania, United States. Listed distances: Relay. Confirm the date, registration and travel details with the official organizer before you book.
About this race
RunSignup listed events: 4-Hour Relay - other; 4-Hour Solo Ultra Challenge - ultra. Come out and take part in the annual summertime tradition, the 10th Annual 4-Hour Relay and Solo Ultra Challenge! Interested participants can pick from one of two events: The 5 Man Relay or the Ultra Challenge 5 Man Relay - Form a team of 5 runners. Each runner will run a loop consisting of ~2.2 miles and hand off, repeating in order for 4 hours. The team covering the most distance will be...
Key facts
- Date
- July 18, 2026
- Events
- Relay
- Surface
- Road
- Official source
- Registration page & official site
- Listing status
- updated May 24, 2026
Before you register
- 1Confirm the race-day schedule
Verify the July 18, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use Pennsylvania as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are Relay. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.
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