Running Trail running

FOURmidable

Name: FOURmidable
Start: 2027-02-13
End: 2027-02-13
Location: Auburn

Auburn, California, United States

Saturday, 13 Feb 2027 91 days left

runsignup.com

Date 13 Feb, 2027

Races 4 distances

Entry fee $40.00 – $80.00

Runner rating Be the first to rate

Website Official website

FOURmidable

About the event

FOURmidable Trail Run (50K | 35K | Half Marathon+ | 13K)

Presented by SingleTrack Running

Location: Auburn Overlook Park — 855 Pacific Ave, Auburn, CA 95603

Are you ready to test your grit on one of Northern California's premier trail challenges? Hosted in the endurance capital of the world, the FOURmidable Trail Run takes runners through the rugged, scenic canyon trails of the Auburn and Cool areas.

Featuring less than one mile of pavement across all distances, this event treats you to singletrack trails, river canyon views, and the infamous climbs that give the race its name.

The Four Climbs

The signature 50K course packs over 6,000 feet of cumulative elevation gain, headlined by the "FOUR" formidable climbs:

Cardiac Hill
K2 (aka Training Hill)
Knickerbocker (Old Auburn Dam Site)
Overlook Hill

Whether you take on the full 50K ultra or choose the 35K, Half Marathon+ (13.2 mi), or 13K, you will experience the best singletrack Auburn has to offer.

Race Schedule & Start Times

All distances run on race day.

Distance	Start Time
50K	8:00 AM
35K	8:15 AM
Half Marathon+ (13.2 mi)	8:30 AM
13K	9:00 AM

What's Included

Custom Swag & Bibs: SingleTrack Running takes pride in quality, practical swag designed to celebrate your finish without cluttering your closet.
Fully Stocked Aid Stations: Staffed by experienced trail volunteers ready to help refuel and hydrate you quickly. Stations include water, electrolyte drink, gels, soda, boiled potatoes, candy, salt tabs, and more.
Post-Race Celebration: Finish at Overlook Park with plenty of hot food, drinks, and trail camaraderie.

Important Event Logistics

1. Cupless Racing

In an effort to keep trails clean and minimize waste, FOURmidable is a 100% cupless event.

Every runner must carry a handheld bottle, hydration pack, or reusable collapsible cup.
Paper cups will not be provided at aid stations. Collapsible cups will be available for purchase on-site, or you can bring your own.

2. Packet Pick-Up

Early Pick-Up (Recommended): Friday (day before the race) from 3:00 PM – 6:00 PM at the Start/Finish area (Auburn Overlook Park).
Race Morning: Available at Overlook Park starting 1 hour prior to your wave start. Note: Any swag/bibs not claimed by race start will be gifted to race-day volunteers.

3. Parking & Vehicle Camping

Runner Parking: Primary parking at Overlook Park is reserved for registered runners. Overflow parking is available along Pacific Ave and at the nearby staging area (staging area parking requires a paid fee—please obey posted local signs).

Races offered

13Feb

FOURmidable 50k

Running

Distance: 50K
Start time: 08:00
Entry fee: $80.00

13Feb

FOURmidable 35k

Running

Distance: 35K
Start time: 08:15
Entry fee: $60.00

13Feb

FOURmidable Half Marathon +

Running

Distance: 21.6K
Start time: 08:30
Entry fee: $50.00

13Feb

FOURmidable 13k

Running

Distance: 13K
Start time: 08:45
Entry fee: $40.00

Weather history

3-year monthly averages for February in Auburn.

Temperature2.7° / 12.9°

Feels like-1.2° / 9.6°

Sunshine hours7h 6m

Rainfall8.9 mm

Snowfall0.6 cm

Wind10.5 km/h (Light breeze)

Humidity75.4%

Max UV indexModerate (3.0)

Sweat lossLow

Course conditionsFirm and slightly soft

Sunrise07:54

Sunset18:40

About Auburn

Learn more about the host city, Auburn.

Auburn is a small city in Placer County on Interstate 80 in California.

Things to do nearby

Tours and activities near Auburn, powered by Viator.

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Race results

Official finishing times from previous editions of FOURmidable.

Place	Name	Gender	Age	City	Time
🥇	Daniel Breazeale	M	26	Santa Rosa, CA	1:14:52.34
🥇	Tony Giglini	M	40	Auburn, CA	2:09:49.21
🥇	Jeremy Koons	M	33	Roseville, CA	3:16:21.85
🥇	Max King	M	36	Bend, OR	3:32:36.82
🥈	Eddie Sahyoun	M	40	Rocklin, CA	1:18:12.21
🥈	Ally Reite	F	30	Loomis, CA	2:11:01.84
🥈	Jason Martin	M	35	Woodland, CA	3:16:37.7
🥈	Cole Watson	M	25	Ashland, OR	3:39:50.32
🥉	Peter Cavallero	M	41	Fair Oaks, CA	1:25:02.72
🥉	Nelson Medeiros	M	42	Lincoln, CA	2:17:09.73
🥉	Kelly Booth	F	32	Rocklin, CA	3:19:15.64
🥉	David Roche	M	28	Sunnyvale, CA	3:51:21.84
4	Zachary Thompson	M	45	El Dorado Hills, CA	1:25:22.3
4	Makiko Yamashita	F	42	Sacramento, CA	2:17:25.92
4	Chris Devine	M	44	Chico, CA	3:32:34.8
4	Ryan Ghelfi	M	28	Ashland, OR	3:55:03.58
5	Zenith Gonzalez	F	39	Folsom, CA	1:26:47.89
5	Luke Reite	M	27	Loomis, CA	2:20:59.77
5	Genevieve Clavier	F	53	Sacramento, CA	3:34:04.69
5	Ryan Woods	M	37	Boone, NC	3:59:41.7
6	Christopher Holmes	M	58	Folsom, CA	1:31:50.16
6	Scott Sutch	M	45	Carmichael, CA	2:25:40.15
6	Sunduk Kim	F	38	Mountain House, CA	3:48:00.43
6	Ian O'brien	M	23	Granby, CO	4:15:01.57
7	Joshua Pedroso	M	37	Fair Oaks, CA	1:32:33.13
7	Scott Cleland	M	47	Fair Oaks, CA	2:28:26.29
7	Beverley Anderson-Abbs	F	52	Sacramento, CA	3:53:44.53
7	Yiou Wang	F	31	San Anselmo, CA	4:18:08.16
8	Matt Hanson	M	26	Rocklin, CA	1:36:10.78
8	Amber Todd	F	38	Eldorado Hills, CA	2:28:47.63
8	Craig Thornley	M	53	Auburn, CA	3:54:42.45
8	Addie Bracy	F	30	Longmont, CO	4:32:14.24
9	Andrew Milton	M	26	Sacramento, CA	1:36:53.07
9	Jeff Newton	M	46	Sacramento, CA	2:32:54.14
9	Clayton Kleppinger	M	27	Davis, CA	3:57:49.16
9	Jean Pommier	M	52	Cupertino, CA	4:32:45.4
10	Erika Milton	F	24	Sacramento, CA	1:36:55.52
10	Deena Love	M	55	Loomis, CA	2:33:18.56
10	Ben Winter	M	44	Chico, CA	3:58:13
10	Sebastian Duesterhoeft	M	31	San Francisco, CA	4:33:00.07
11	Venkata Ravi	M	35	Folsom, CA	1:38:39.08
11	Cherie Smith	F	46	Sacramento, CA	2:34:04.82
11	Carrie Hyatt	F	44	—	3:58:44.57
11	Chris Castleman	M	29	Mill Valley, CA	4:38:36.73
12	John Humphreys	M	41	Fair Oaks, CA	1:41:01.53
12	Melanie Cleland	F	45	Fair Oaks, CA	2:34:52.1
12	Jamey Nye	M	43	Sacramento, CA	4:03:31.22
12	Scott Dunlap	M	47	Woodside, CA	4:39:47.17
13	Abby Bunosky	F	28	San Diego, CA	1:41:05.71
13	Albert Arias	M	44	Turlock, CA	2:39:28.22
13	Brandon Zipp	M	36	Roseville, CA	4:04:27.89
13	Ryan Smith	M	36	Fair Oaks, CA	4:40:20.08
14	Shawn Hewson	M	36	Auburn, CA	1:41:31.38
14	Gretchen Englefield	F	42	Lincoln, CA	2:45:32.94
14	Jodie Wood	F	40	—	4:06:11.05
14	James Player	M	44	Roseville, CA	4:44:53.52
15	Bethann Mccloskey	F	24	Newcastle, CA	1:42:02.25
15	Jennifer Rice	F	36	Lincoln, CA	2:46:42.4
15	Ohnmar Shin	F	44	Carmichael, CA	4:07:30.04
15	Michael Basuini	M	22	San Jose, CA	4:52:19.53
16	Colin Mccloskey	M	21	Newcastle, CA	1:42:08.96
16	Geoff Wharton	M	43	Carmichael, CA	2:47:07.76
16	Shawn De Groof	M	27	Citrus Heights, CA	4:10:28.46
16	Eric Spencer	M	38	Foresthill, CA	4:54:22.51
17	Matt Milton	M	58	Newcastle, CA	1:42:09.98
17	Nichole Rice	F	33	Auburn, CA	2:47:29.64
17	Tim Paulson	M	18	Lincoln, CA	4:19:23
17	John Burton	M	43	San Jose, CA	5:01:54.83
18	Laurel Ward	F	35	Auburn, CA	1:43:02.1
18	Pierre Freyre	M	29	Merced, CA	2:48:43.07
18	Kirk Edgerton	M	43	Rocklin, CA	4:20:45.62
18	Terence Hurley	M	30	San Francisco, CA	5:03:17.84
19	Jamie Wilson	F	30	Ashland, OR	1:54:34.76
19	Kyle Bezanson	M	52	Rocklin, CA	2:50:04.57
19	Paula Hamilton	F	54	—	4:21:37.88
19	Benjamin Mitchell	M	34	Big Pine, CA	5:07:02.16
20	Cammie Sahyoun	F	38	Rocklin, CA	1:58:58.28
20	Nicole Findleton	F	31	Placerville, CA	2:51:00.6
20	Tom Tadlock	M	40	Auburn, CA	4:22:15.47
20	Dan Barger	M	51	Auburn, CA	5:08:32.08
21	Joan Olsen	F	57	Rocklin, CA	2:04:14.27
21	Tracy Bedwell	F	45	Rocklin, CA	2:51:08.81
21	Elisheva Verdi	F	41	Auburn, CA	4:30:58.08
21	Dario Zea	M	41	Petaluma, CA	5:09:41
22	Mike Barton	M	48	Rocklin, CA	2:06:31.85
22	Jessica Stuart	F	41	Lincoln, CA	2:51:10.13
22	Leah Brown	M	39	—	4:34:54.82
22	Jerry Dischler	M	43	Palo Alto, CA	5:11:48.88
23	Johnna Robinson	F	43	Modesto, CA	2:08:32.9
23	Bryan Bedwell	M	45	Rocklin, CA	2:51:11.35
23	David Keane	M	54	El Dorado Hills, CA	4:39:01.68
23	Ronald Hess	M	55	Fair Oaks, CA	5:12:13.49
24	Carrie King	F	43	Groveland, CA	2:09:12.26
24	Jessica Weston	F	40	Roseville, CA	2:52:26.87
24	Jonathan Seely	M	34	—	4:39:11.8
24	Jennifer Pfeifer	F	45	El Dorado, CA	5:13:00.44
25	Simone Elster	F	32	Alta, CA	2:10:28.99
25	Timothy Huckins	M	50	Auburn, CA	2:55:47.09
25	Dominique Pistochini	F	48	Auburn, CA	4:45:10.38
25	Ken Sinclair	M	49	Bend, OR	5:17:29.96
26	Jeff Widick	M	42	Auburn, CA	2:13:30.28
26	Laurie Beyer	F	54	Fair Oaks, CA	2:59:28.29
26	Rod Tilson	M	52	—	4:47:40.43
26	Bryan Twardus	M	33	Auburn, CA	5:19:03.79
27	Maria Francis	F	39	Auburn, CA	2:13:33.95
27	Ryan Cox	M	52	Folsom, CA	2:59:29.5
27	Jennifer Redding	F	43	Modesto, CA	4:47:41.64
27	Meghan Arbogast	F	55	Cool, CA	5:20:12.43
28	Danielle Sansoni	F	36	Rancho Cordova, CA	2:26:11.63
28	Jon Norenberg	M	56	Modesto, CA	3:01:52.13
28	Angela Borchers	F	43	Davis, CA	4:48:25.78
28	Bill Clements	M	38	Irvine, CA	5:20:45.33
29	Kelly Young	F	48	Meadow Vista, CA	2:38:27.5
29	Kelly Manos	F	44	Colfax, CA	3:02:43.23
29	Dominic Vella	M	40	Auburn, CA	4:49:25.76
29	Tim Twietmeyer	M	58	Auburn, CA	5:21:59.44
30	Leslie Spitzer	F	51	Auburn, CA	2:38:37.05
30	John Volz	M	61	Chicago Park, CA	3:03:18.6
30	Lee Zambrano	M	46	Modesto, CA	4:54:26.14
30	Lee Mckinley	M	55	Auburn, CA	5:23:20.98
31	Lori Burke	F	48	Roseville, CA	2:39:04.68
31	Ken Campbell	M	65	Citrus Heights, CA	3:06:30.8
31	Gary Williams	M	47	Turlock, CA	4:55:46.4
31	Matt Fix	M	42	—	5:23:50.33
32	Tracey Lilley	F	48	Roseville, CA	2:39:05.61
32	Stephanie Lamour	F	43	—	3:10:46.29
32	Kristi Victorino	F	41	Modesto, CA	4:56:28.18
32	Ray Sanchez	M	50	—	5:24:11.96
33	Janelle Moland	F	28	Modesto, CA	2:39:42.26
33	Kris Turner	M	43	Modesto, CA	3:13:32.81
33	Shaun Lankford	M	36	Auburn, CA	4:59:18.18
33	Ben Harner	M	31	Chicago, IL	5:29:12.45
34	Sarah Hunt	F	29	Modesto, CA	2:39:43.83
34	Brenda Giddings	F	42	Folsom, CA	3:14:53.89
34	Amanda Maguire	F	35	Carmichael, CA	5:02:53.78
34	Shawn Sullivan	M	39	Petaluma, CA	5:31:09.53
35	Heather Monahan	F	39	Auburn, CA	2:41:08.57
35	Anonymous Anonymous	F	40	—	3:14:59.75
35	Lisa Moreland	F	37	Auburn, CA	5:06:07.47
35	Dan Garcia	M	42	Auburn, CA	5:31:16.1
36	Ayn Loehr	F	47	Foresthill, CA	2:41:09.27
36	Koylynn Webdell	F	44	Auburn, CA	3:15:07.99
36	John Swisegood	M	43	Modesto, CA	5:07:01.44
36	Taylor Spike	M	39	Eugene, OR	5:32:32.41
37	Sofi Curtis	F	43	Lincoln, CA	2:41:14.35
37	Roxana Wells	F	34	Auburn, CA	3:16:36.18
37	John Rodriguez	M	58	Modesto, CA	5:15:37.23
37	Michael Cortez	M	30	Newcastle, CA	5:33:27.88
38	Stacey Santos	F	30	Roseville, CA	2:41:17.76
38	Amy Gonzales	F	38	Sparks, NV	3:19:06.84
38	Esen Hatcher	F	41	Fair Oaks, CA	5:15:50.81
38	Peter Fish	M	51	Aptos, CA	5:34:14
39	Jannet Hendrix	F	41	Auburn, CA	2:48:19.59
39	Lisa Faber	F	42	Grass Valley, CA	3:20:54.78
39	Jeffrey Rowe	M	43	Modesto, CA	5:18:05.78
39	Lucas Horan	M	35	—	5:34:30.73
40	Leanne Henderson	F	51	Roseville, CA	2:49:27.23
40	Amanda Herrera	F	23	Los Angeles, CA	3:22:47.14
40	Daren Short	M	52	Modesto, CA	5:18:06.2
40	Nick Zeitler	M	30	Chico, CA	5:35:45.07
41	Anna Rivera	F	46	Modesto, CA	2:52:03.18
41	Sarah Petersen	F	35	Sparks, NV	3:22:56.84
41	Chad Johnson	M	43	Riverbank, CA	5:18:07.77
41	Piotr Kaszkur	M	36	Gold River, CA	5:40:17.92
42	David Rivera	M	46	Modesto, CA	2:52:04.04
42	Francisca Diaz	F	43	Roseville, CA	3:23:35.23
42	Lisa Wright	F	55	Lincoln, CA	5:19:47.52
42	Ty Nickel	M	47	West Sacramento, CA	5:40:23.41
43	Jessica Conklin	F	30	Roseville, CA	3:07:24.31
43	Angela Glover	F	41	Rocklin, CA	3:23:55.32
43	Jesse Murray	M	46	Santa Rosa, CA	5:20:15.82
43	Isaac Medrano	M	37	Santa Clara, CA	5:40:31.25
44	Christina Trezza	M	58	Roseville, CA	3:07:25.29
44	Samantha Vigil	F	29	Lincoln, CA	3:23:58.35
44	Tracy Plaster	M	42	Orangevale, CA	5:22:40.73
44	Alan Abbs	M	47	Sacramento, CA	5:41:47.1
45	Nicholas Fortunato	M	26	Sonora, CA	3:31:56.13
45	Tasha Clutts	F	34	Roseville, CA	3:36:00.67
45	Jamie Loftis	F	37	Modesto, CA	5:22:48.15
45	Nicolette Del Sarto	F	27	Auburn, CA	5:42:10.22
46	Lora Scudder	F	31	Auburn, CA	3:35:04.28
46	Laurie Nichols	F	56	Sacramento, CA	3:37:02.45
46	Tara Kelly	F	42	West Sacramento, CA	5:23:54.32
46	Joey Tajan	M	32	Lincoln, CA	5:43:22.32
47	Sherri Kerth	F	56	Sacramento, CA	3:35:19.78
47	Kristen Klink	F	41	Auburn, CA	5:25:19.12
47	Mike Maddox	M	51	Roseville, CA	5:43:51.57
48	Stephanie Whitefield	F	42	Modesto, CA	3:35:35.25
48	Steve Howard	M	46	El Dorado Hills, CA	5:26:12.71
48	Kari Strang	F	44	Bend, OR	5:45:37.98
49	Jon Kidroske	M	59	Modesto, CA	3:35:36.02
49	Ben Mitchell	M	33	Meadow Vista, CA	5:34:28.47
49	Michael Hervey	M	25	San Diego, CA	5:45:42.65
50	Anonymous Anonymous	F	38	—	3:36:41.6
50	Kelly Teresi	F	48	Sacramento, CA	5:37:03.68
50	David Bowers	M	43	Elk Grove, CA	5:46:39.73

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About the event

FOURmidable Trail Run (50K | 35K | Half Marathon+ | 13K)

The Four Climbs

Race Schedule & Start Times

What's Included

Important Event Logistics

1. Cupless Racing

2. Packet Pick-Up

3. Parking & Vehicle Camping

Races offered

FOURmidable 50k

FOURmidable 35k

FOURmidable Half Marathon +

FOURmidable 13k

Weather history

About Auburn

Hotels & places to stay

Things to do nearby

Race results

Runner reviews

No reviews yet

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Nearby races

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