Oldest combined ages for men/women winners in same race - The Haney to Harrison 100 km, held British Columbia CAN on 04 Nov 2000 was won by Herb Phillips (09 Jul 1940, CAN) in 8:07:09 at age 60y118d for the men and by Sarah Gallazin (28 Jul 1952, CAN) in 11:43:27 at age 48y099d for the women. Their combined ages are 108y217d. Phillips was also the oldest person in the race. Undocumented (no dates of birth) combinations (1) of Colin Kingsford (age 53) and Barbara McLeod (age 58) at the Ottawa (PQ/CAN) 24 hr on 14 Sep 1996 with a combined age in excess of 111 years and (2) Don Winkley (age 62) and Cassandra Johnson (age 54) at the Across the Years (AZ/USA) 72 Hr on 29 Dec 2000 with a combined age in excess of 116 years have been reported. Honorable mention to: 107y300d Petrus Silkinas (06 Aug 1941, LTU) at age 57y189d and Eleanor Robinson (20 Nov 1947, ENG) at age 50y111d at Nanango AUS on 11 Mar 1998 (1000 miles).
The longest span of time between first and last (most recent) ultramarathon wins - For men, Pekka Termonen (FIN) with a span of 30y342d, from 02 Jul 1976 to 09 Jun 2007. Here are the runners with time spans of 16 years or more.
Ultramarathons won by women - On occasion, the first runner across the finish line in a mixed race ultramarathon is a woman:
10 Mar 1973 Camelia Capital (CA/USA) 100M 18:09:16 Natalie Cullimore (USA)
22:21:39 John Arberry (USA)
05 Nov 1988 Blackpool (ENG) 48 Hr km 366.512 Hilary Walker (ENG)
km 355.312 James Shaw
31 Dec 1988 Across the Years (AZ/USA) 24 Hr km 179.200 Theresa Daus
km 166.000 Scott Weber
28 Dec 1988 Across the Years (AZ/USA) 72 Hr km 395.200 Beverly Williams
km 323.200 Michael Olivera
16 Sep 1989 Sri Chinmoy (NY/USA) 24 Hr km 230.275 Ann Trason (USA)
km 224.408 Scott Demaree (USA)
02 Dec 1989 OTHTC High Desert (CA/USA) 50K Jerry Mumford (CA/USA)
Jack Clark (CA/USA)
28 Dec 1991 Round Rotherham (ENG) 76 km 6:41:12 Caroline Hunter-Rowe (ENG)
6:47:18 Jonathan Whitehead (ENG)
30 May 1993 Wyoming (WY/USA) 50M 7:03:19 Randi Bromka (USA)
7:17:08 Roger Frans (USA)
18 Sep 1993 Ottawa (PQ/CAN) 24 Hr km 186.798 Suzanne Gagon (CAN)
km 185.374 Ron Gehl (CAN)
Sep 1993 Run to the Sun (HI/USA) 36.2M 5:39:08 Rachel Portner (HI/USA)
5:51:25 Bobby Menks
10
21 May 1994 Silver State (NV/USA) 50M 7:29:36 Ann Trason (CA/USA)
7:29:54 Joe Schlereth (CA/USA)
27 Dec 1995 Across the Years (AZ/USA) 72 Hr km 311.200 Judy Overholtzer (USA)
km 212.000 Harold Sieglaff (AZ/USA)
30 Dec 1997 Across the Years (AZ/USA) 48 Hr km 286.400 Linda Elam (CA/USA)
km 229.186 Gary Cross (AZ/USA)
31 Dec 1997 Across the Years (AZ/USA) 24 Hr km 177.188 June Gessner (CA/USA)
km 173.986 Carl Johnson (AK/USA)
Apr 1998 Sybil Ludington (NY/USA) 50K 3:48:34 Ellen McCurtin (USA)
3:56:46 Ralph Balsamo
24 May 1998 Wyoming (WY/USA) 50M 7:28:52 Barbara Marquer (USA)
8:16:08 Chris Jarvis (USA)
12 Dec 1998 Arcata-Willow Creek (CA/USA) 40M 5:58:22 Claire Renshall (CA/USA)
6:14:49 Yoon Kim (CA/USA)
31 Dec 1998 Across the Years (AZ/USA) 24 Hr km 207.589 Stephanie Ehret (CO/USA)
km 163.187 James Bonnett (AZ/USA)
24 Apr 1999 Sybil Ludington (NY/USA) 50K 3:51:23 Ellen McCurtin (USA)
3:54:13 Steve Cangemi
30 May 1999 Wyoming (WY/USA) 52.4M 8:41:43 Theresa Daus-Weber (USA)
9:21:02 Marshall Ulrich (USA)
20
31 Dec 1999 Across the Years (AZ/USA) 24 Hr km 188.000 Stephanie Ehret (CO/USA)
km 180.800 Edson Luis Ferreira Menses (BRA)
09 Dec 2000 Tallasse (FL/USA) 50M 7:07:11 Nancy Drach
8:06:14 Gary Griffin
03 Mar 2001 Old Pueblo (AZ/USA) 50M 8:58:34 Pam Reed (AZ/USA)
9:36:16 Ron Harding
29 Nov 2002 UltraCentric (TX/USA) 24 Hr km 214.324 Sue Ellen Trapp (FL/USA)
km 153.523 Kenneth Burns (MI/USA)
Apr 2003 Sybil Ludington (NY/USA) 50K 3:48:28 Ellen McCurtin (USA)
4:00:05 Steve Cangemi
03 May 2003 Harriers Beaver/Elk (BC/CAN) 50M 7:13:09 Alana Prociuk (BC/CAN)
7:19:10 Logan Beaulieu (BC/CAN)
30 May 2004 Wyoming (WY/USA) 52.4M 9:58:05 Katy Cotton (USA)
10:08:54 Glen Delman (USA)
07 May 2005 Russian Championships (RUS) 24 Hr km 241.521 Lyudmila Kalinina (RUS)
km 234.540 Timur Abzalilov (RUS)
19 Aug 2005 Natal Carbineers Midlands (RSA) 100M 18:55:22 Hazel Moller (RSA)
20:13:35 Gary Rich (RSA)
26 Aug 2005 Bake Lake (PA/USA) 50M 8:48:52 Morgan Beauvais (USA)
9:14:06 John Reynolds (USA)
30
01 Oct 2005 Arkansas Traveller (AR/USA) 100M 19:49:08 Tracy Thomas (USA)
20:31:20 Steve Kirk (USA)
10 Dec 2005 Tallahasse (FL/USA) 50M 7:23:14 Linda Mason (FL/USA)
7:41:53 Mitsuhito Tsuchida (GA/USA)
11 Nov 2006 Arcata-Willow Creek (CA/USA) 40M 5:31:40 Katie Hunter (CA/USA)
5:57:30 Yoon Kim (CA/USA)
Note: In the 29 Nov 2002 race, women took the top three place; in the 19 Aug 2005 race, women took the top two places. The 31 Dec 1998 race saw women in overall places 1, 3, 4, and 5. Times were not recorded for the 02 Dec 1989 race. Due to an increasing frequency of women winning ultramarathons outright, this list covers only the years 2007 and earlier. (Thanks to Maurice Wilson, Andy Milroy)