6/1/26: This week's UltraRunning "Race Tracker" updated the
Leona Divide 100 (thanks, UltraRunning!). 5/29/26: Thanks to Irv, I corrected the
Bryce Canyon and Ocean State 100s dates. 5/28/26: Belatedly added a link to the amazing
UltraRaceCalendar (under Calendars) on the home page (thanks, Panos!). 5/28/26: Used the UltraRunning weekly e-mail to update two
100-milers (thanks, UltraRunning!). 5/26/26: This week's UltraRunning "Race Tracker" updated the
Born to Run 100 (thanks, UltraRunning!). 5/24/26: Continuing to update the February 2026
misc. ultras to their 2027 dates. 5/21/26: Used the UltraRunning weekly e-mail to update six
100-milers (thanks, UltraRunning!). 5/19/26: This week's UltraRunning "Race Tracker" updated another
two 100s (thanks, UltraRunning!). 5/15/26: I can't believe that I started
Run100s.com thirty-one (31) years ago! 5/14/26: Used the UltraRunning weekly e-mail to update another three
100-milers (thanks, UltraRunning!). 5/12/26: This week's UltraRunning "Race Tracker" updated another
five 100s (thanks, UltraRunning!). 5/10/26: Recovering from a fun
Quicksilver yesterday, I'm continuing to update the February 2026
misc. ultras to their 2027 dates. 5/7/26: Used the UltraRunning weekly e-mail to update another four
100-milers (thanks, UltraRunning!). 5/4/26: Recovering from a long, wonderful
Miwok weekend (thanks, Magda!). 4/30/26: Used the UltraRunning weekly e-mail to update four
100-milers (thanks, UltraRunning!). 4/28/26: This week's UltraRunning "Race Tracker" updated another
three 100s (thanks, UltraRunning!). 4/26/26: Finished the January 2026 ultras and started to updated the February 2026
misc. ultras to their 2027 dates. 4/23/26: Only one
100-miler (Leona Divide) in the UltraRunning weekly e-mail (thanks, UltraRunning!). 4/21/26: This week's UltraRunning "Race Tracker" updated
three 100s (thanks, UltraRunning!). 4/19/26: Volunteered at two events this weekend, but started to updated the January 2026
misc. ultras to their 2027 dates. 4/16/26: Updated the last 17 of the December 2025
misc. ultras to their 2026 dates. 4/15/26: Used the UltraRunning weekly e-mail to update eight
100-milers (thanks, UltraRunning!). 4/14/26: Updated the last of the November 2025
misc. ultras to their 2026 dates. 4/13/26: This week's UltraRunning "Race Tracker" updated
six 100s (thanks, UltraRunning!). 4/12/26: Thanks to eagle-eyed Irv, I corrected the
Big Al's 100 dates and results. 4/11/26: Updated 10 November 2025
misc. ultras to their 2026 dates. 4/9/26: Used the UltraRunning weekly e-mail to update one
100-miler (thanks, UltraRunning!). 4/7/26: Helen is our eighth runner going for the
Grand Slam of Ultrarunning™ for 2026. 4/6/26: This week's UltraRunning "Race Tracker" updated
seven 100s (thanks, UltraRunning!). 4/5/26: Updated 35 October 2025
misc. ultras to their 2026 dates. 4/4/26: Updated more of the October 2025
misc. ultras to their 2026 dates. 4/4/26: Updated 13 November/December
100-milers to their 2026 dates. 4/3/26: Used the UltraRunning weekly e-mail to update three
100-milers (thanks, UltraRunning!). 4/2/26: Updated 33 October 2025
misc. ultras to their 2026 dates. 4/1/26: Decided to try updating
misc. ultras seven months ahead (vs. six) to their 2026 dates. 3/31/26: Used the UltraRunning weekly e-mail to update two
100-milers (thanks, UltraRunning!). 3/29/26: Updated another 13 September 2025
misc. ultras to their 2026 dates. 3/26/26: Used the UltraRunning weekly e-mail to update four
100-milers (thanks, UltraRunning!). 3/24/26: This week's UltraRunning "Race Tracker" updated only
two 100s (thanks, UltraRunning!). 3/23/26: Updated the last four July 2025
misc. ultras to their 2026 dates. 3/22/26: Updated another 16 September 2025
misc. ultras to their 2026 dates. 3/19/26: Used the UltraRunning weekly e-mail to update three
100-milers (thanks, UltraRunning!). 3/17/26: This week's UltraRunning "Race Tracker" updated the 2/27/27
Will Rogers events (thanks, UltraRunning!). 3/15/26: Maybe I'm catching up: updated (only) another 7 September 2025
misc. ultras to their 2026 dates. 3/13/26: Used the UltraRunning weekly e-mail to update four
100-milers (thanks, UltraRunning!). 3/12/26: Updated the last seven(7) June 2025
misc. ultras to their 2026 dates. 3/10/26: This week's UltraRunning "Race Tracker" updated
four 100s (thanks, UltraRunning!). 3/9/26: Updated another 20 September 2025
misc. ultras to their 2026 dates. 3/5/26: Used the UltraRunning weekly e-mail to update three
100-milers (thanks, UltraRunning!). 3/3/26: Nora is our seventh runner going for the
Grand Slam of Ultrarunning™ for 2026. 3/1/26: Updated another 13 August/September 2025
misc. ultras to their 2026 dates. 2/26/26: Used the UltraRunning weekly e-mail to update two
100-milers (thanks, UltraRunning!). 2/24/26: This week's UltraRunning "Race Tracker" updated
three 100s (thanks, UltraRunning!). 2/23/26: Ryan is our sixth runner going for the
Grand Slam of Ultrarunning™ for 2026. 2/22/26: Updated 13 August 2025
misc. ultras to their 2026 dates. 2/21/26: Belatedly added the
Jackpot 100. 2/20/26: Used the UltraRunning weekly e-mail to update three
100-milers (thanks, UltraRunning!). 2/17/26: This week's UltraRunning "Race Tracker" updated
three 100s (thanks, UltraRunning!). 2/15/26: While The Barkley goes on (& on), I updated 15 August 2025
misc. ultras to their 2026 dates. 2/13/26: Updated 19(!) October
100-milers to their 2026 dates (thanks, Irv!). 2/12/26: Used the UltraRunning weekly e-mail to update three
100-milers (thanks, UltraRunning!). 2/10/26: This week's UltraRunning "Race Tracker" updated
one 100 (thanks, UltraRunning!). 2/8/26: Updated 14 August 2025
misc. ultras to their 2026 dates. 2/5/26: Used the UltraRunning weekly e-mail to update two
100-milers (thanks, UltraRunning!). 2/3/26: This week's UltraRunning "Race Tracker" updated
three 100s (thanks, UltraRunning!). 2/1/26: Updated 12 August
misc. ultras to their 2026 dates. 1/31/26: Trying to get a jump on Irv, I updated 13 of the 39 September
100-milers to their 2026 dates (thanks, Irv!). 1/31/26: Corrected the dates of the
San Diego 100: May 1-2 (thanks, Wade!). 1/31/26: Taking two small cats from
Coastside Feral care to foster! 1/29/26: The UltraRunning weekly e-mail showed NO
100-milers last weekend? (thanks, UltraRunning!). 1/27/26: Only two
100s updated by this week's UltraRunning "Race Tracker" (thanks, UltraRunning!). 1/25/26: Updated 17 July/August
misc. ultras to their 2026 dates. 1/23/26: Used the UltraRunning weekly e-mail to update five
100-milers (thanks, UltraRunning!). 1/20/26: This week's UltraRunning "Race Tracker" updated
four 100s (thanks, UltraRunning!). 1/19/26: Updated 13(!) August
100-milers to their 2026 dates (thanks, Irv!). 1/15/26: Used the UltraRunning weekly e-mail to update one(!)
100-miler (thanks, UltraRunning!). 1/13/26: This week's UltraRunning "Race Tracker" updated another
two 100s (thanks, UltraRunning!). 1/12/26: Finally updated my
Grand Slam of Ultrarunning™ page for 2026. 1/11/26: Continued to try updating
misc. ultras from July 2025 to their 2026 dates. 1/9/26: Used the UltraRunning weekly e-mail to update four
100-milers (thanks, UltraRunning!). 1/6/26: This week's UltraRunning "Race Tracker" updated
two 100s (thanks, UltraRunning!). 1/4/26: Continued to try updating
misc. ultras from April-July 2025 to their 2026 dates. 1/2/26: Used the UltraRunning weekly e-mail to update two
100-milers (thanks, UltraRunning!). 1/1/26: Happy New Year! Added the December
web usage stats.