Randi Potash has reached 129,520 lifetime miles (Jan. 2026)

Randi Potash
Chatham, MA
DOB: Jan. 19, 1960
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I was at 120,020 miles  in 2022.  Now it’s 129,520 as of Jan 2026.

I was adopted by a couple who lived in Medford Massachusetts when I was born to a single mother without means in 1960. My adoptive parents were morbidly obese and really had trouble keeping up with my active nature. 

I was always athletic, skinny and played every sport with boys and girls in the neighborhood - I was good at sports but not great at anything! I played many team sports through the years and wanted to remain in shape for life - I knew that early on. I like to move ! 

My senior year of high school was in 1978 and that year was the great blizzard - that is when I began long distance running just to get out of the house. I had never liked just plain running at all before that. For no apparent reason I got hooked. Throughout  college at the University of Massachusetts in Amherst I ran 5 days a week usually 4-5 miles.

Then in 1982 when I graduated  I began doing weekly 10 K races and ran 40- 50 a week until 1984 when I bumped it up to 75 -80 a week. Between 1984 and 1993 I ran 13 marathons and numerous 5 k, 10k and longer races. My best marathons were 3 hrs 30 minutes to qualify for Boston which was my goal at the time. I qualified a couple of times and ran Boston a total of six times - a few times as a ‘back of the packer’ before qualifying.  Other Marathons included New York, the old Boston Peace Marathon a couple of times, the Cape Cod and Hyannis Marathon a couple of times. 

I have two children and I used to push them in the running carriage. They are Leah, born in 88 and Jason born in 92. I will send a picture of the three of us in 1992. 

Leah went on to make the UMass division 1 track and cross country teams and she has completed five marathons. Jason is also a very good athlete who played numerous sports through high school and college. Leah is an attorney and Jason is about to start chiropractic school. 

My husband Paul has raised over 100 k for the Jimmy Fund through biking the Pan Mass Challenge for many years. He’s a biker and professional fisherman now that he retired from the corporate world of finance at age 54. I believe my running addiction has influenced my family - rubbing off on them consistently on a daily basis for so long. I just do it and they seem to observe and absorb the commitment I’ve displayed.

From 1993 until the present time I’ve run 7 miles a day first thing.  I stopped doing marathons because my hip hurt whenever I ran over 20 miles. I made the decision to run less miles and run healthy forever. Never looked back.

When I was in law school I used to listen to my notes and lectures while i ran.  I always incorporate a morning run into my day no matter what life brings me or where I travel to. My husband Paul is athletic but he’s not a ‘runner’ and doesn’t really get it. Despite that,  we’ve been married for 33 years and I am extremely lucky to be with a health minded and positive guy who is the finest of fathers, and despite not being a runner- Paul is an amazing partner who I cherish. 

I live to run - plain and simple. It has kept me healthy, happy and indeed it has been like a religion for me. Quite divinely the idea of going out running in 1978 with my Nike Cortez leather sneakers and three sweatshirts came out of no where!  There were NO  runners out on the roads then. It’s still a mystery to me as to what makes a runner keep on keeping on - a mystery I don’t feel the need to solve. I accept it for the blessing it continues to be.

I added up the miles quite easily as I always had kept a diary and was consistent for long blocks of time. I would take an oath about my milage ! It comes out to running around the entire world 4.3 times. 

J.R. (John Robert) Mintz reached 100,000 lifetime miles on Jan. 10, 2026

J.R. Mintz

Hercules, CA

DOB: July, 1966

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Running may not be My Career or Vocation & Don’t Compete at the Highest Levels but One I am Extremely Fanatical,Obsessed about & Driven by every single day & Possible Hour  as Well.

My PRs are Far from Stellar but Here are some-

1 Mile-5:42 Age 37

5K-19:04 Age 39

10K-39:00-Age 39

Half Marathon-(Inaugural)San Jose Rock & Roll Half MAR-1 Hour 22 MIN 42 Sec-OCT 2006-Age 40

Marathon-CIM-Folsom-Sacramento,CA-DEC 2006-2 Hours 57 Min 45 Sec-My Only Sub 3-Age 40

50K Road-Run the River-Beals Pt(Granite Bay)-Sacramento,CA-3H59m51s-Oct 2008-Age 42

Likely My Most Impressive-Ruth Anderson Memorial 50 Miler@Lake Merced(SfFrancisco)-A 4.5 Mile Loop X 11-6 Hours 30 Min 12s

April 2006-Age 39

My Longest RaceCompleted@Crissy Field (SFrancisco)-A 1M+ Loop-12 Hour Duration=74.2M-10/28/2006-Age 40

I am also a frequent Runner of Footraces as I just Reached the 2,000 Mark in Mid-December 2025-I am Currently@2,007.

I am currently logging Mostly 90-100 Mile Weeks & Have totalled over 5,000 Miles for 6 Straight Years from 2020.

I only Started Hiking in 2002 & My 1st year of running Races frequently was 2003 with 4 Total including

My 1st Marathon-The Sacramento Cowtown in OCT of that Year as well as 3 Others for a total of 4.

Mark Iversen reached 100,000 miles in 2020. (Currently about 120,000; Dec. 2025)

Mark Iversen

Mankato MN/ Singapore

DOB: September, 1959

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I started running regularly after high school in 1978. I met a guy while working at Big Mountain Ski Resort in Whitefish, Montana and he had run the New York City Marathon and I told him that is what I want to do. 

It's been a long journey, but I have been running ever since then. I recently completed my 101st marathon/ultramarathon at the Seattle Ghost 50k on Saturday, November 29th, 2025. After finishing my 100th marathon/ultramarathon I completed a book available on Amazon as an ebook. My 100th was the Kathmandu Marathon in Kathmandu, Nepal on November 1st. I have run 78 marathons and 23 ultramarathons including 10 Boston Marathons. My current lifetime running miles is at 120,000 miles.

I ran my marathon PR, 3:06, at Grandma’s Marathon in 1980.

I have been retired since January 2024 and spend most of our time running races around the world, skiing in the USA, Europe and Japan and climbed several mountains with my son including Mount Kilimanjaro in Tanzania, Mount Ararat in Turkey, Mount Fuji in Japan, Mount Adams in Washington and lots of others including several 14ers in Colorado and have done the Rim2Rim and Rim to River to Rim in the Grand Canyon 5 times.

I have run maybe 25% of the races on the trail. I don't see it as my strong suit, but I keep going back. Trying not to biff it too many times. I usually get a better rhythm running on the road. I was the Master's men's winner of the Mad City Ultra 50k in Madison, Wisconsin on April 7, 2018 and in August of this year, I was the Alaska State Champion in the Male 50+ group in the Alaska Anchorage Ultra 49k.

And I was going to mention I ran the Bear Lake Trifecta this year running 3 marathons in 3 states in three consecutive days running the Idaho Marathon on Thursday, the Wyoming Marathon on Friday and the Utah Marathon on Saturday. I think there were about 20 or so runners that ran all 3 marathons in the 3 days.

Attached is the link to my ebook on Amazon for your reference: https://a.co/d/8FEm8PB

David Castle hit the 100,000-mile mark on April 25, 2025

David Castle

Silverton, Oregon

Born: March, 1955  

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I started running in 1969. As a freshman in high school that fall, I joined the cross country team to avoid being manager for the football team. I discovered I was good at running, and I liked it. I ran my first marathon (Seaside) five months later. 

High school running in Oregon was very competitive in the 1970s, and you needed to train hard to have any success. In my high school years, my mileage would sometimes hit 75-85 miles a week. By my senior year, I ran 4:19 for the mile and 9:08 for two-miles.

I went to college at Oregon College of Education (now Western Oregon University) and ran XC and track. I qualified to the national meet a couple of times and graduated holding school records in the 1500m and 5000m. After college, I trained and competed with a track club. My PRs are 3:51.3 1500m; 8:06.2 3000m; 14:22.0 5000m; 29:25 10,000M and 2:31.53 marathon. 

I started keeping a training diary very early on and now have 55 years of training logs. I have kept running throughout my life, with my longest break being six months in 1982-83. 

I still run 15-25 miles a week, most of it very slowly. I hit 100,000 miles on April 25, 2025. I have been fortunate to have been spared any major injuries, with all my joints still working. Career-wise, I earned my Ph.D in History at the University of Oregon and was a college professor in Ohio (Ohio University) for close to 30 years. 

For my 100,000th mile, I completed the same one-mile loop I ran as my first mile when in 8th grade.

Eric Clifton has reached 150,285 miles (Aug. 10, 2025)

Eric Clifton    

DOB- 6/11/58 

Winchester, CA 

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I achieved 100,00 lifetime miles on 10/10/2011 and I am currently at 150,285 total miles as of 8/10/2025. 

I started seriously running in 1977 upon first learning of the Boston Marathon and the existence of road racing.  I focused on marathons, of course, my first few years trying to qualify for the Boston Marathon.  That proved difficult to do and it was three years before I finally qualified but by then I was just happy running local races and I had discovered the new sport of triathlon in 1980.  

Jumping into triathlon in those early years was a blast and I competed in several around the country although there were not that many around then.  I did race in the Ironman championships in Kona (the first 4 years they were held on the Big Island) with my best finish in 1984 with an 11th place overall finish.  

In 1986 I discovered the world of trail ultra running and threw my efforts into that sport.  My favorite sport is trail ultra running which has still retained all the appeal it had in the beginning even though the sport has grown exponentially in the years since.  I really preferred trail 100's but have tried most every distance up to the 135 mile Badwater race distance.  

The highlights of my career to me are: being awarded the USATF Ted Corbitt award  for ultrarunner of the year (and Ultrarunning magazine's ultrarunner of the year) for my 1992 season with my four 100 mile trail wins (anytime my name is linked in any way with Ted Corbitt is quite an honour); My induction into the Ultrarunning Hall of Fame in 2021 (https://ultrarunninghistory.com/hall-of-fame/eric-clifton/);  my 1994 JFK 50 miler pr; my 1996 Rocky Raccoon 100 pr; my 1992 Superior 100 win and my last win at the Chino Hills 50k in 2014 at age 56.   

I am still actively racing triathlons, road and trail races and ultras with a 12 hour event this weekend 8/16/'25.  Oh, and by the way, I finally got to the Boston Marathon-  1996 100th running almost 20 years after I started running with that goal in mind.

PRS:

1 mile-4:44

3k-9:18

2 mile- 10:44

5k-16:04

5 mile- 27:39

10k-33:00

10 mile- 54:42

Half marathon- 1:14:14

Marathon-2:31:56

50k-3:38

50 mile- 5:46:24

100k- 7:55

100 mile- 13:16:04

24 hour- 127.5 miles

I have been meaning to contact you since I hit 100k lifetime miles but I am such a procrastinator that I have reached the 150k point in my career.  I started my running seriously in April of 1977 but only starting documenting in December of that year.  I have documented all my training since Dec. of 1977 and can tell you exactly what I did on any given day since then.  Until I started triathlon racing in 1980 most of my road courses (which was the majority of my training) I measured via a car odometer which we both know is not super accurate.  After 1980 I measured most of my courses via bicycle computerized jones counter which should be pretty close.  

I was an early adopter of garmin devices and have been measuring courses, especially my trail courses, with garmins since around 2000.  However, I have noticed that with every upgrade to my garmin devices the mileage they report is shorter so a course I ran in 2000 may have given me credit for 7 miles while in 2010 on the same course it credits me with 6.75 miles.  After considering how garmin devices work and the fact that they are impossible to measure a course actually shorter than it is I have started only giving my runs a buffer of .01/ mile.  So for every 100 miles I log I have to have 101 miles according to my garmin.   I have been adjusting my mileage down since about 2010.