Some ultras in Northern California (& Nevada) shorter than 100 miles
DateRaceDist.LocationClimb/Descent
12/7/13 North Face 50k
50m		 Sausalito ?'/?'
?'/?'
12/7/13 Malibu Canyon 50k Calabasa 5940'/5940'
12/7/13 Calero Park & Rancho Canada del Oro 32m San Jose ?'/?'
12/8/13 HST Fear & Loathing 50k/50m San Francisco 2739'/2743'
12/14/13 Rodeo Beach 50k Sausalito 5980'/5980'
12/15/13 Woodside Ramble 50k Woodside 4530'/4530'
12/29/13 Woodside 50k Woodside 4530'/4530'
12/(30)/12 Rodeo Valley 50k Sausalito 6000'/6000'
12/31/13 New Year's One Day 6hr/12hr/24hr San Francisco 0'/0'
1/5/14 Epiphany Ultra 63k Oakland 2750'/2750'
1/11/14 Crystal Springs 50k Woodside 4530'/4530'
1/(12)/13 Fat Ass 50k Saratoga ?
1/18/14 Steep Ravine 50k Stinson Beach 5770'/5770'
1/(19)/13 Pacifica Foothills 50k Pacifica 7090'/7090'
2/1/14 Jed Smith 50k/50m Sacramento 540'/960'
2/1/14 Folsom South Side 50k
38m		 Folsom ?'/?'
?'/?'
2/8/14 Golden Gate 50k Rodeo Beach 6320'/6320'
2/8/14 American Canyon 50k Auburn ?'/?'
2/(16)/13 Las Trampas 50k Castro Valley 10273'/10273'
2/22/14 Montara Mountain 50k Pacifica 6700'/6700'
2/22/14 FOURmidable 50k Cool ?'/?'
2/(23)/13 Chabot Trail 50k Castro Valley ?'/?'
2/(24)/13 San Bruno Mountain 50k/50m Daly City ?'/?'
3/8/14 Way Too Cool 50k Cool 6113'/6107'
3/9/14 Lake Natoma 50k Folsom ?'/?'
3/(16)/13 Rodeo Valley Trail 50k Sausalito 6180'/6180'
3/22/14 Canyon Meadow 50k Oakland 3812'/3812'
3/22/14 4MPH Challenge ? Whiskeytown ?'/?'
3/22/14 Mt. Umunhum 50k
50mi
100k		 San Jose ?'/?'
?'/?'
?'/?'
4/5/14 American River 50m Sacramento 3474'/2139'
4/5/14 Grizzly Peak 50k Berkeley 6760'/6760'
4/12/14 Lake Sonoma 50m Geyserville 10500'/10500'
4/(13)/13 Woodside Ramble 50k Woodside 4610'/4610'
4/19/14 Ruth Anderson 50k/50m/100k San Francisco 1450'/1450'
4/19/14 Mokelumne River 50k/50m Lake Comanche ?'/?'
4/19/14 Folsom 100k 100k Folsom ?'/?'
4/(20)/13 Sunsweet Wildflowers 50k Red Bluff 1000'/1000'
4/(20)/13 Diablo Trails Challenge 50k Brentwood ?'/?'
4/26/14 Sierra Azul Trail Challenge 50k
50m		 Los Gatos ?'/?'
?'/?'
5/3/14 Miwok Trail 100k Stinson Beach 11628'/11628'
5/3/14 Me-Ow! Double Marathon 52.4m Whiskeytown 20000'/20000'
5/3/14 The Canyons 50k Foresthill 9200'/9200'
5/10/14 Quicksilver 50k
100k		 San Jose 5440'/5440'
?'/?'
5/10/14 Gold Rush 100k Folsom 7118'/7118'
5/10/14 Cinderella 50k Oakland 5450'/5450'
5/17/14 Calero Park 50k
50m		 San Jose ?'/?'
?'/?'
5/(18)/13 Silver State 50k
50m		 Reno, NV 5800'/6100'
9200'/9200'
5/18/14 Horseshoe Lake 50k Palo Alto 4560'/4560'
5/(18)/13 Run in the Pines 50k Pollock Pines ?'/?'
5/18/14 Ohlone Wilderness 50k Fremont 8530'/8160'
5/31/14 Canyon Meadow 50k Oakland 3812'/3812'
6/(1)/13 Calero Park & Rancho Canada del Oro 32m
50m		 San Jose 4000'/4000'
6250'/6250'
6/8/14 Big Basin 50k Los Gatos 5790'/5790'
6/14/14 She Rocks the Trails 50k Folsom ?'/?'
6/(16)/13 Worth the Hurt 52m San Francisco ?'/?'
6/21/14 San Lorenzo River 50k Santa Cruz 5175'/5175'
6/(22)/13 Marin Ultra Challenge 50k/50m Sausalito ?/?
10010'/10010'
7/(6)/13 Rancho Canada del Oro & Calero Park 50k Morgan Hill ?'/?'
7/12/14 Golden Gate 50k Rodeo Beach 6320'/6320'
7/12/14 Rancho Canada del Oro 50k Morgan Hill ?'/?'
7/19/14 Lake Chabot 50k Castro Valley 2670'/2670'
7/(20)/13 Tahoe Rim Trail 50k
50m		 Lake Tahoe, NV 6895'/6895'
9894'/9894'
8/2/14 San Francisco 50m Rodeo Beach 10010'/10010'
8/2/14 Cool Moon 6hr/12hr Cool ?'/?'
8/9/14 Crystal Springs 50k Woodside 4530'/4530'
8/(10)/13 Echo Summit 50k/50m Twin Bridges ?'/?'
?'/?'
8/10/14 Skyline 50k Castro Valley 4740'/4740'
8/16/14 Cinderella 50k Oakland 5450'/5450'
8/(17)/13 Run-de-Vous 50k
50m		 San Martin ?'/?'
2125'/2125'
8/(17)/13 Rattlesnake Ultra 50k Newcastle ?'/?'
8/(18)/13 Run on the Sly 50k Pollock Pines 4075'/4075'
8/23/14 Tamalpa Headlands 50K 50k Muir Beach 7300'/7300'
8/(24)/13 Headwaters Ultra 50k Mount Shasta 4400'/4400'
8/(31)/13 Skirt and Dirt 50k Oakland 5030'/5030'
9/(14)/13 Headlands 50m Sausalito 10034'/10034'
9/(15)/13 Diablo 50k Clayton 7990'/7990'
9/(21)/13 Coastal 50k Stinson Beach 5090'/5090'
9/(27)/13 Lake Tahoe 50m/72m So. Lake Tahoe ?'/?'
?'/?'
9/(28)/13 Stevens Creek 50k Cupertino 5000'/5000'
9/(28)/13 Berkeley Trail Adventure 50k Oakland 4500'/4500'
9/(28)/13 Lost Sierra Endurance Run 50k Graegle 4000'/4000'
10/(5)/13 Weaver Basin 50k Weaverville 4000'/4000'
10/11/14 Dick Collins' Firetrails 50m Castro Valley 7820'/7840'
10/(12)/13 Euchre Bar Massacre 50m Alta 20000'/20000'
10/(12)/13 Bizz Johnson 50k Susanville ?'/?'
10/(12)/13 Boggs Mountain Boogie 50k Cobb ?'/?'
10/(12)/13 Skyline to the Sea 50k Saratoga Gap 3000'/3000'
10/(19)/13 Coyote Ridge 50k Muir Beach 7130'/7130'
10/(19)/13 Rock'n River 50m Auburn 2139'/3474'
10/(19)/13 Lovers Leap of Faith 50k Strawberry ?'/?'
10/(26)/13 Whiskeytown 50k Redding 5120'/5120'
10/(26)/13 Stinson Beach 50k Stinson Beach 6498'/6498'
11/(2)/13 Folsom Lake 50k Folsom 2030'/2030'
11/(2)/13 Almaden Hills 50k San Jose ?'/?'
11/(9)/13 Lake Chabot 50k Castro Valley 2670'/2670'
11/(9)/13 Lake Shasta 28m Lake Shasta ?'/?'
11/(16)/13 Spooner's Cove 50k Los Osos 6400'/6400'
11/(16)/13 Mt. Tam 50k Stinson Beach 7000'/7000'
11/22/14 Spirit of Rock 50m Folsom ?'/?'
11/29/14 Quad Dipsea 28.4m Mill Valley 9276'/9276'

Ultras - An ultramarathon is any running event longer than a marathon (i.e. 26.2 miles).
An ultrarun is any unusually difficult running event, regardless of distance (e.g. Pikes Peak Marathon).

"http://www.Run100s.com/sub100.htm" (updated: 12/5/13) StanJ@Run100s.com