Some ultras in Northern California (& Nevada) shorter than 100 miles
DateRaceDist.LocationClimb/Descent
2/4/12 Jed Smith 50k/50m Sacramento 540'/960'
2/(5)/11 Las Trampas 50k Castro Valley 10273'/10273'
2/11/12 2nd Saratoga Fat Ass 50k Saratoga ?'/?'
2/11/12 Golden Gate 50k Rodeo Beach ?'/?'
2/11/12 American Canyon 50k Auburn ?'/?'
2/12/12 Montana de Oro 50k Los Osos 6400'/6400'
2/18/12 Folsom South Side 50k/38m Folsom ?'/?'
?'/?'
2/25/12 Chabot Trail 50k Castro Valley ?'/?'
2/26/12 La Jolla Canyon 50k Malibu 5490'/5490'
3/3/12 Montara Mountain 50k Pacifica 6700'/6700'
3/3/12 Malibu Creek 50k Calabasas 5940'/5940'
3/10/12 Way Too Cool 50k Cool ?'/?'
3/17/12 Canyon Meadow 50k Oakland 3812'/3812'
3/18/12 Rodeo Valley Trail 50k Sausalito 6180'/6180'
3/24/12 Woodside Ramble 50k Woodside 4610'/4610'
3/31/12 Redwood Peak 50k Oakland 4500'/4500'
4/7/12 American River 50m Sacramento 3474'/2139'
4/14/12 Lake Sonoma 50m Geyserville 10500'/10500'
4/15/12 Tilden Trail 50k Berkeley ?'/?'
4/21/12 Ruth Anderson 50k/50m/100k San Francisco 1450'/1450'
4/21/12 Sunsweet 50k Red Bluff 1000'/1000'
4/21/12 Diablo Trail 50k Brentwood ?'/?'
4/28/12 Sycamore Canyon 50k Malibu 5190'/5190'
4/28/12 Sierra Azul Challenge 50k Los Gatos ?'/?'
5/5/12 Mi-Wok Trail 100k Sausalito 11500'/11500'
5/6/12 Big Trees 50k Oakland 5030'/5030'
5/12/12 Quicksilver 50k
50m		 San Jose 5440'/5440'
8530'/8530'
5/12/22 Cinderella 50k Oakland 5450'/5450'
5/19/12 Horseshoe Lake 50k Palo Alto 4560'/4560'
5/19/12 Silver State 50k
50m		 Reno, NV 5800'/6100'
9200'/9200'
5/20/12 Ohlone Wilderness 50k Fremont 8530'/8160'
6/2/12 Diablo Endurance Run 60k Clayton 10945'/10945'
6/2/12 Calero Park 32m
50m		 San Jose 4000'/4000'
6250'/6250'
6/3/12 Canyon Meadow 50k Oakland 3812'/3812'
6/10/12 Skyline to the Sea 50k Los Gatos 3045'/5625'
6/16/12 Pacifica Foothills 50k Pacifica 7090'/7090'
6/23/12 San Lorenzo River 50k Santa Cruz 5175'/5175'
7/1/12 Angel Island 50k Tiburon 4070'/4070'
7/(9)/11 Folsom Lake 50k
50m		 Folsom ?'/?'
?'/?'
7/7/12 Marin 50 50m Sausalito 10010'/10010'
7/14/12 Golden Gate 50k Rodeo Beach 6320'/6320'
7/21/12 Tahoe Rim Trail 50k
50m		 Lake Tahoe, NV 6895'/6895'
9894'/9894'
8/11/12 Crystal Springs 50k Woodside 4530'/4530'
8/11/12 Echo Summit 50k/50m Twin Bridges ?'/?'
?'/?'
8/12/12 Skyline 50k Castro Valley 4740'/4740'
8/(14)/11 Stevens Creek 50k Cupertino 5000'/5000'
8/18/12 Cinderella 50k Oakland 5450'/5450'
8/18/12 Rattlesnake Ultra 50k Newcastle ?'/?'
8/19/12 Run-de-Vous 50m San Martin 2125'/2125'
8/(21)/11 Run on the Sly 50k Pollock Pines 4075'/4075'
8/25/12 Tamalpa Headlands 50K 50k Muir Beach 7300'/7300'
8/25/12 Big Trees 50k Oakland 5030'/5030'
9/1/12 Diablo 50k Clayton 8900'/8900'
9/9/12 Big Basin Redwoods 50k Boulder Creek 5925'/5925'
9/15/12 Diablo 50k Clayton 7990'/7990'
9/22/12 Sierra Nevada 50m Granite Bay 5090'/5180'
9/22/12 Coastal 50k Stinson Beach 5090'/5090'
9/(24)/11 Lake Tahoe 50m/72m So. Lake Tahoe ?'/?'
?'/?'
9/30/12 Redwood Peak 50k Oakland 4500'/4500'
10/6/12 Rio del Lago 50k
100k		 Granite Bay ?'/?'
?'/?'
10/7/12 Bizz Johnson 50k Susanville ?'/?'
10/7/12 Montana de Oro 50k Los Osos 6400'/6400'
10/(8)/11 Dick Collins' Firetrails 50m Castro Valley 7820'/7840'
10/13/12 Rock'n River 50m Auburn 2139'/3474'
10/(22)/11 Hunter S. Thompson
Fear & Loathing		 50k/50m San Francisco 2600'/2600'
10/27/12 Whiskeytown 50k Redding 5120'/5120'
11/3/12 Lake Chabot 50k Castro Valley 2670'/2670'
11/(5)/11 Almaden Hills 50k San Jose ?'/?'
11/10/12 Stinson Beach 50k Stinson Beach 5770'/5770'
11/(12)/11 Last Chance 50k/50m Granite Bay ?'/?'
11/18/12 Spooner's Cove 50k Los Osos 6400'/6400'
11/18/12 Santa Monica Mtns. 50k Malibu 5490'/5490'
11/24/12 Quad Dipsea 28.4m Mill Valley 9276'/9276'
12/8/12 Coyote Ridge 50k Sausalito 7130'/7130'
12/15/12 Woodside Ramble 50k Woodside 4530'/4530'
12/30/12 Rodeo Valley 50k Sausalito 5980'/5980'
12/31/12 New Year's One Day 6hr/12hr/24hr San Francisco 0'/0'
1/(7)/12 Fat Ass 50k Saratoga ?
1/(7)/12 Crystal Springs 50k Woodside 4530'/4530'
1/(8)/12 Epiphany Ultra 59k Oakland 2750'/2750'
1/(22)/12 Brooks Falls Trail 50k Pacifica 7090'/7090'
1/(28)/12 Steep Ravine 50k Stinson Beach 5770'/5770'

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: 1/31/12) StanJ@Run100s.com