12/31/22: Wishing everyone a Happy New Year! 12/27/22: Working through the 2022
misc. ultras in August to their 2023 dates. 12/25/22: Wishing everyone a Merry Christmas! Working to update the
misc. ultras to their 2023 dates. 12/21/22: Rhys Jenkins is the eight entrant for the 2023
Grand Slam of Ultrarunning™! 12/19/22: Sixteen more updates to my list of
100-milers in August (thanks, Irv!). 12/15/22: Added the 2023 date (10/21/23) for the
Nashville Ultramarathon: 50km and 50mi (thanks, Dennis!). 12/13/22: Working through the nineteen 2022
100-milers in July to their 2023 dates (seven months away). 12/11/22: Working through the 2022
misc. ultras in July to their 2023 dates (seven months away). 12/9/22: Even more updates to my list of
100-milers (thanks, Irv!). 12/8/22: Used the weekly e-mail from
UltraRunning to update the listing from six 100s (thanks, Karl & Amy!). 12/7/22: We have the first seven entrants for the 2023
Grand Slam of Ultrarunning™! 12/5/22: Update all the 2022
misc. ultras through June to their 2023 dates (seven months away). 12/2/22: Double-header weekend:
Saturday: WS Lottery and
Sunday: HST Fear & Loathing. 12/1/22: We have the first two entrants for the 2023
Grand Slam of Ultrarunning™! 11/29/22: Used the weekly "Race Tracker Updates" e-mail from
UltraRunning to update the listings from several 100s (thanks, Karl & Amy!). 11/28/22: Posted the next dates of the
Best Runner 100: November 18-19, 2023 (thanks, Edward!). 11/27/22: Trying to update the 2023 dates for all the
misc. ultras and halfway through June (seven months away). 11/25/22: Hope everyone had a Happy Thanksgiving! Looking forward to my ~28th
Quad Dipsea and the 25th year that Run100s.com has been registered! 11/24/22: Preparing for Saturday's Quad Dipsea and using the weekly e-mail from
UltraRunning to update the listing from two 100s (thanks, Karl & Amy!). 11/21/22: Added the
Fall Creek 100 and Coyote Two Moon 100. 11/20/22: Trying to update the 2023 dates for all the
misc. ultras and almost through May (six months away). 11/17/22: Used the weekly e-mail from
UltraRunning to update the listing from two 100s (thanks, Karl & Amy!). 11/15/22: Trying to update the 2023 dates for all the
misc. ultras through May 15 (six months away). Progress is wonderful! 11/13/22: Starting to update the 2023 dates for the 91
misc. ultras in April. 11/12/22: Trying to update the 2023 dates for all the
misc. ultras in March. 11/10/22: Used the weekly e-mail from
UltraRunning to update the listing from eight 100s (thanks, Karl & Amy!). 11/10/22: Minor updates to my lists of
No. Cal. ultras and
misc. ultras. 11/8/22: Added the 2022
Rocky Mountain Slam finishers: Andrew Barney (6x!) and Shinsuke Isomura (thanks, Andrew!). 11/6/22: Minor updates to my lists of
misc. ultras and
No. Cal. ultras. Struggling to find motivation. 11/5/22: Clarified the requirements of the
Grand Slam of 200s (thanks, Wes!). 11/4/22: Routine colonoscopy reveals only two benign polyps, so I'm clear for another five years! 11/3/22: Used the weekly e-mail from
UltraRunning to update the listing from one 100 (thanks, Karl & Amy!). 10/30/22: Minor updates to my list of
misc. ultras. 10/27/22: Increased the
Pinhoti 100 time limit to 31 hours (& increased elevation change) (thanks, Todd!). 10/27/22: Used the weekly e-mail from
UltraRunning to update the listing from one 100 (thanks, Karl & Amy!). 10/24/22: Added five(!) more finishers to the list of
200-miler Grand Slammers (thanks, Jamil!). 10/24/22: Used the weekly "Race Tracker Updates" e-mail from
UltraRunning to update the listings from several 100s (thanks, Karl & Amy!). 10/23/22: Minor updates to my list of
misc. ultras. 10/22/22: Updated the dates for eight of the
Trail Racing Over Texas events (thanks, Angelica!). 10/20/22: Posted the next dates of the
Indiana Trail 100: October 14-15, 2023 (thanks, Nick!). 10/20/22: Used the weekly e-mail from
UltraRunning to update the listings from seven 100s (thanks, Karl & Amy!). 10/17/22: Posted the registration link for the 2023
Ruth Anderson Memorial Endurance Runs (thanks, Anil!). 10/16/22: I can't believe I'm 70 years old!
10/13/22: Used the weekly e-mail from
UltraRunning to update the listings from six 100s (thanks, Karl & Amy!). 10/11/22: Used the weekly "Race Tracker Updates" e-mail from
UltraRunning to update the listings from several 100s (thanks, Karl & Amy!). 10/9/22: Working on the splits & results from yesterday's
Ruth Anderson Memorial Endurance Runs (thanks, Anil & Steve!). 10/2/22: Used the weekly e-mail from
UltraRunning to update the listings from eight 100s (thanks, Karl & Amy!). 10/1/22: Birthday month off to a bad start. Wish me luck ... 9/27/22: Another ten(!) updates to my list of
100-milers (thanks, Irv!). 9/25/22: Recovering from yesterday's Firetrails (thanks, Adam) and used the weekly e-mail from
UltraRunning to update the listings from five 100s (thanks, Karl & Amy!). 9/15/22: Used the weekly e-mail from
UltraRunning to update the listings from ten 100s (thanks, Karl & Amy!). 9/11/22: Used the final Wasatch results to update my
Grand Slam of Ultrarunning™ stats. 9/10/22: Wasatch took out one of the 14 entrants in the
Grand Slam of Ultrarunning™. BIG congrats to the 13 who earned their eagle! 9/9/22: While waiting for Wasatch results, I used the weekly e-mail from
UltraRunning to update the listings from four 100s (thanks, Karl & Amy!). 9/8/22: Added the new North Alabama ultras:
Blue Heron Hundreds (thanks, Robert!). 9/6/22: Minor updates to my list of
misc. ultras, mostly those in December. 9/2/22: Used the weekly e-mail from
UltraRunning to update the listings from six 100s (thanks, Karl & Amy!). 9/1/22: Added the August
web usage stats. 8/25/22: Used the weekly e-mail from
UltraRunning to update the listings from four 100s
and nine shorter ones (thanks, Karl & Amy!). 8/23/22: Ten(!) updates to my list of
100-milers (thanks, Irv!). 8/21/22: With four DNFs at LT, the number of
Grand Slam of Ultrarunning™ entrants is down to 14, heading to Wasatch! 8/20/22: Finally added Simon Mtuy's "Nomadic Experience" & "Kilmanjaro Stage Run" (trekking/safaria/trail running) under
Coaching and Camps (thanks, Simon!). 8/18/22: Used the weekly e-mail from
UltraRunning to update the listings from two 100s (thanks, Karl & Amy!). 8/15/22: Very interesting weekend at the
PCTR Headlands (thanks, Greg & Jenny!). 8/8/22: Updated the dates of the
Habanero Hundred and Brazos Bend 100: 8/20 and 12/3 (thanks, Angelica!). 8/4/22: Used the weekly e-mail from
UltraRunning to update the listings from five 100s (thanks, Karl & Amy!). 7/31/22: Minor updates to my list of
misc. ultras and removal of the Farmlands and Saint Sebastian 100s. 7/28/22: Used the weekly e-mail from
UltraRunning to update the listings from four 100s (thanks, Karl & Amy!). 7/24/22: Minor updates to my list of
misc. ultras as I get ready for the
Skyline 50k in two weeks! 7/21/22: Used the weekly e-mail from
UltraRunning to update the listings from three 100s (thanks, Karl & Amy!). 7/17/22: Wow! All 19 of the
Grand Slam of Ultrarunning™ wannabes finished Vermont! 7/15/22: Used the weekly e-mail from
UltraRunning to update the listings from four 100s (thanks, Karl & Amy!). 7/4/22: Four updates to my list of
100-milers (thanks, Irv!). 6/28/22: Added another Montana challenge: the
Crazy Mountain 100 (thanks, Megan & Nikki!). 6/27/22: With two DNFs at OD and two at WS, the number of
Grand Slam of Ultrarunning™ entrants is down to 19! 6/24/22: Added Kelly Haston to the list of
Grand Slam of Ultrarunning™ entrants ... 23 this year! 6/18/22: Used the weekly e-mail from
UltraRunning to update the listings from seven 100s (thanks, Karl & Amy!). 6/13/22: Added 5x finisher Philip Sanderson to the list of
Grand Slam of Ultrarunning™ entrants ... 22 so far! 6/10/22: Added the OD100 results for the 18
Grand Slam of Ultrarunning™ entrants who ran it! 6/10/22: Used the weekly e-mail from
UltraRunning to update the listings from ten 100s (thanks, Karl & Amy!). 6/4/22: Added six more to the
Grand Slam of Ultrarunning™ entrants ... 21 so far! 6/3/22: Used the weekly e-mail from
UltraRunning to update the listings from four 100s (thanks, Karl & Amy!). 5/29/22: Had a great day at the
Lake Sonoma 100K (thanks, Keira & Jesse!). 5/24/22: Added the
Napa Wilderness Trail Runs on June 11 (thanks, Todd!) 5/20/22: Used the weekly e-mail from
UltraRunning to update the listings from five ultras (thanks, Karl & Amy!). 5/17/22: Added Fanny Barrette and Keith Straw to the
Grand Slam of Ultrarunning™ entrants ... 15 so far! 5/15/22: Celebrating the 27th anniversary of my
Run100s.com web site list (thanks, ultrarunners everywhere!). 5/14/22: Added Michael Li's amazing
#FKTam300: watch the video (Wow!) 5/13/22: Added the certified
Ruth Anderson USATF course maps (thanks, Steve!) 5/10/22: Under "Other links" I've added
Nick Marshall's Ultra Career Longevity list (thanks, Nick!). 5/8/22: Posted the preliminary results, splits and 2023 date for the
Miwok 100k (thanks, LT and Tia!) 5/7/22: Corrected the
Zion 100 elevation change: 10,700' (thanks, Kathy!). 5/1/22: Fourteen(!) updates to my list of
100-milers (thanks, Irv!). 4/30/22: Added David Miao and Jeff Iosa to the
Grand Slam of Ultrarunning™ entrants ... 13 so far! 4/24/22: Minor updates to my list of
misc. ultras as I get ready for the
Miwok 100k in less than two weeks! 4/16/22: Added Adam Rood to the
Grand Slam of Ultrarunning™ entrants ... 11 so far! 4/15/22: Bringing back the
Run-de-Vous: August 27-28 (thanks, Rajeev!). 4/11/22: Updated my
Lake Sonoma page and used the weekly e-mail from
UltraRunning to update the listings from three 100s (thanks, Karl & Amy!). 4/5/22: Eleven updates to my list of
100-milers (thanks, Irv!). 4/4/22: Used the latest issues of
UltraRunning magazine to update several listings (thanks, Karl & Amy!). 4/3/22: Added Edward Wang & Carl Norwood to the
Grand Slam of Ultrarunning™ entrants ... 10 so far! 3/29/22: Added Mike Vergara & David Conner to the
Grand Slam of Ultrarunning™ entrants! 3/29/22: Renamed the "Best of San Diego 100" to the
Best Runner 100 (thanks, Edward!). 3/26/22: Used the weekly e-mail from
UltraRunning to update the listings from three ultras (thanks, Karl & Amy!). 3/20/22: Fun times at yesterday's
Lake Sonoma 50 training run (thanks, Skip & Holly!). 3/14/22: Unable to get a permit from EBPRD, the 34th
Ohlone Wilderness 50K will not take place until 5/21/23 (thanks, Bob!). 3/12/22: Added a new series, the
Grand Slam of 200s, and the first finisher, Bipul Talukdar (thanks, Anil!). 3/11/22: Got almost all of the September 2021 dates for the
misc. ultras shifted to their 2022 dates! 3/6/22: Corrected the URL for the
Hainesport Hundred and added the NJ Devil 100 (thanks, Vanessa!). 3/5/22: Made sure all 11 of the advertised ultras from the February issue of
UltraRunning magazine are included on my site (thanks, Karl & Amy!). 3/3/22: Used the weekly e-mail from
UltraRunning to update the listings from two ultras (thanks, Karl & Amy!). 3/1/22: Renamed all of the
Peak events in mid-May to "Blood Root" events(thanks, Luis!). 3/1/22: Finally! Got the last 25 of the Oct/Nov/Dec 2020 dates for the
misc. ultras shifted to their 2022 dates! 3/1/22: Happy Mardi Gras! Added the February
web usage stats. 2/28/22: Got all 88 of the September 2020 dates for the
misc. ultras shifted to their 2022 dates ... great way to end the month! 2/28/22: Added the
Highlands Trail Festival 100 (thanks, David!). 2/27/22: Got all 52 of the August 2020 dates for the
misc. ultras shifted to their 2022 dates! 2/26/22: Updated my
Grand Slam of Ultrarunning™ home page for 2022 and added the first six entrants! 2/26/22: Finished the last 39 of the July 2020 dates for the
misc. ultras shifted to their 2022 dates! 2/25/22: Got about 30 of the July 2020 dates for the
misc. ultras shifted to their 2022 dates! 2/24/22: Used the weekly e-mail from
UltraRunning to update the results from two 100s (thanks, Karl & Amy!). 2/23/22: Finished the last 24 of the June 2020 dates for the
misc. ultras shifted to their 2022 dates! 2/22/22: Got another 15 of the June 2020 dates for the
misc. ultras shifted to their 2022 dates. Should be done w/June in two more days! 2/21/22: Got about 15 of the June 2020 dates for the
misc. ultras shifted to their 2022 dates! 2/20/22: Got all of the May 2020 and July/August 2021 dates for the
misc. ultras shifted to their 2022 dates! 2/19/22: Got all of the June 2021 dates for the
misc. ultras shifted to their 2022 dates! 2/18/22: Tried to get all of the June 2022 dates for the
100-milers. 2/14/22: Happy Valentine's Day! Numerous updates to my list of
100-milers and
misc. ultras (thanks, Irv!). 2/13/22: Volunteered at Coastal Trail Runs'
Montara Mountain
and updated a few more of the
misc. ultras in June. 2/10/22: Used the weekly e-mail from
UltraRunning to update the results from two 100s (thanks, Karl & Amy!). 2/6/22: Updated ten of the April/May
100-milers (thanks, Irv!). 2/4/22: Added the elevation change and 2023 dates for the
Shippey 100 (thanks, Jake!). 1/24/22: The February 4-6
Orcas Island 100 has been postponed (thanks, Irv!). 1/23/22: Still catching up from the
HURT 100,
but tried to update more of the
misc. ultras in May. 1/20/22: Added the results and splits for the
HURT 100 (thanks, Carl!). 1/17/22: Added the stats for yesterday's
HURT 100 ... only 37% finished (thanks, Carl!). 1/8/22: Mourning the loss of
RealEndurance, although I understand why (thanks, Ray!). 1/5/22: Added the May 14-15
Folsom 100 (thanks for a great resource, Gary!). 1/2/22: Tried to update more of the
misc. ultras in May. 1/1/22: Happy New Year! Added the December
web usage stats.