This rugged event traverses remote singletrack over the Kilkenny Ridge, summiting peaks like Mount Cabot and Mount Waumbek with big vertical and minimal road access. The 50 mile starts/finishes at South Pond with a turnaround at the Jefferson Inn; the 25 mile is a point-to-point from the Jefferson Inn back to South Pond; and the 25K begins at the Berlin Fish Hatchery—all finishing at South Pond. Courses are minimally marked (runners are required to carry maps/GPS) and feature significant climbing (roughly 7,500 ft per direction on the ridge). Official start times are 5:00 AM (50M), 7:00 AM (25M), and 8:00 AM (25K).
Races
45 miles
25 miles
25 km
Race Date:
20 September, 2025
The 50‑Mile Kilkenny Ridge Race, organised by Aravaipa Running, will be held on Saturday, 20 September 2025, starting at 5:00 AM from the South Pond Recreational Area in Stark, New Hampshire. This rugged ultra traverses the remote Kilkenny Ridge Trail to the Jefferson Inn and back—roughly 44 miles—offering a staggering ~15,000 ft (4,572 m) of elevation gain, unmarked terrain, mandatory GPS navigation, and minimal backcountry aid stations.
Weather based on historical averages.
FAQs
What is the Kilkenny Ridge Race 50 Mile?
How long is the Kilkenny Ridge Race 50 Mile?
Where does the Kilkenny Ridge Race 50 Mile take place?
What is the elevation gain of the Kilkenny Ridge Race 50 Mile?
How can I prepare for the Kilkenny Ridge Race 50 Mile?
How do I choose the right training plan for the Kilkenny Ridge Race 50 Mile?
The 50‑Mile Kilkenny Ridge Race, organised by Aravaipa Running, will be held on Saturday, 20 September 2025, starting at 5:00 AM from the South Pond Recreational Area in Stark, New Hampshire. This rugged ultra traverses the remote Kilkenny Ridge Trail to the Jefferson Inn and back—roughly 44 miles—offering a staggering ~15,000 ft (4,572 m) of elevation gain, unmarked terrain, mandatory GPS navigation, and minimal backcountry aid stations.
The Kilkenny Ridge Race 50 Mile is 72km long.
The Kilkenny Ridge Race 50 Mile takes place in Stark, NH, USA.
The Kilkenny Ridge Race 50 Mile elevation gain is 4572 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Kilkenny Ridge Race 50 Mile?
The 50‑Mile Kilkenny Ridge Race, organised by Aravaipa Running, will be held on Saturday, 20 September 2025, starting at 5:00 AM from the South Pond Recreational Area in Stark, New Hampshire. This rugged ultra traverses the remote Kilkenny Ridge Trail to the Jefferson Inn and back—roughly 44 miles—offering a staggering ~15,000 ft (4,572 m) of elevation gain, unmarked terrain, mandatory GPS navigation, and minimal backcountry aid stations.
How long is the Kilkenny Ridge Race 50 Mile?
The Kilkenny Ridge Race 50 Mile is 72km long.
Where does the Kilkenny Ridge Race 50 Mile take place?
The Kilkenny Ridge Race 50 Mile takes place in Stark, NH, USA.
What is the elevation gain of the Kilkenny Ridge Race 50 Mile?
The Kilkenny Ridge Race 50 Mile elevation gain is 4572 metres, which Runna classifies as a Hilly race.
How can I prepare for the Kilkenny Ridge Race 50 Mile?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Kilkenny Ridge Race 50 Mile?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
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Sport:
Running
Tags:
Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Kilkenny Ridge Race 2025 or Aravaipa Running. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Kilkenny Ridge Race 2025 website.
