calendar_today 19 Dec, 2026
event_available Add to calendar
directions_run Running
sell $75.00 – $130.00
The 5-8 miles between aid stations will fly by as runners enjoy the beautiful trails shaded by towering 2nd and 3rd generation redwoods. The diverse course is linked together With Bear Gulch, Skyline Trail, and a sweet loop on Wunderlich Trail. Huddart Park serves as the perfect staging area for the start and finish with large grassy areas where runners may spread out and lounge while enjoying the post race food. Sorry, no dogs are allowed in the park or on the trails. Location: Huddart County Park - Woodside, CA Events: 10K, Half Marathon, 35K & 50K Early Bib Pickup: Friday, December 18, 2026 2:00 PM - 6:00 PM Sports Basement - Redwood City 202 Walnut St, Redwood City, CA 94063 Race Morning Check In & Bib Pickup: 7:00 AM - 8:30 AM Start Times: ● 10K - 9:00 AM ● Half Marathon - 8:30 AM ● 35K & 50K - 8:00 AM Time Limit: There is an 8 hour time limit for the 50K race. All runners must be off the course by 4:00 PM. Parking: Parking is $6.00 CASH ONLY and available within Huddart County Park. Carpooling is always strongly encouraged. Race Capacity: The Woodside Ramble will have a capacity of 400 runners, across all distances. Course Information Detailed Course Map | Turn by Turn Directions | Aid Station Distances and Cutoffs | Elevation Profiles Aid Station Supplies Inside Trail Racing aid stations are replete with an optimal variety of glycogen-replenishing, electrolyte-replacing products. The following is a list of some of the foods and beverages each aid station may provide: Gu Energy gels, chews, and Stroopwafels, trail mix, pretzels, potato chips, Oreo cookies, Coke, Ginger Ale, water, Skratch Labs Sports Hydration Mix, PB&J sandwiches, M&M’s, salt tablets, bananas, watermelon, and tangerines. Aid stations are also equipped with general first aid items, including Salt-Stick tablets, but no anti-inflammatory medicine. Skratch Labs is 80 calories per serving with minimal sugar (4g per 100 ml) and a ratio of sugar (glucose + fructose) that is optimized for faster absorption, an electrolyte profile that actually matches what is lost in sweat (800 mg sodium, 80 mg potassium, 100 mg calcium, and 80 mg of magnesium per liter) As distances between aid station vary, we strongly encourage all runners to carry at least one 20oz bottle during their run. We are a CUPLESS event series. This means no cups at aid stations or at the start/finish. Volunteer Without the support of enthusiastic and caring volunteers producing our races would not be possible. Volunteers of all ages and abilities help with setup, check-in, aid stations, course marshaling, timing, and post-race food. Volunteering is a fun, novel way to experience races, play in the outdoors, and spend time with friendly people. All volunteers receive a free race T-shirt, free food, and the ability to earn credit toward a future Inside Trail Racing event, commensurate to the amount of time worked. Five hours of assisting an event results in a free race credit or Inside Trail merchandise. To volunteer for this year’s event, please submit our online volunteer form . Shirts Most of our race shirts are District Perfect-Tri tri-blend fabric shirt. This tee is made with top-of-the-line sportswear technology to heighten performance during your toughest workouts. With sun defense, moisture-wicking technology, quick stain release, and comfortable fit, this tri-blend performance crew serves the needs of every athlete. It’s the perfect year-round choice for outdoor sports and exercise. Get the most out of your workout with this tough, hardworking tee. Features: ● 4.5-ounce, 50/25/25 poly/combed ring spun cotton/rayon, 32 singles ● 1X1 rib knit neck ● Shoulder to shoulder taping ● UPF 30 To be guaranteed a shirt and shirt size, you must register by December 5, 2026. Awards The top three overall winners (male and female) of each race distance will receive a custom trophy with the race logo. In addition, the top finisher for each distance (male and female) will receive a special item from one of Inside Trail’s sponsors. All finishers will receive a custom medal with the race logo. All 50K finishers will receive a pint glass with the race logo. The Dead Last Finisher (DLF) in each even will receive a custom award. Age-group medals (3 deep) will be awarded in the following categories, for males, females and non-binary: ● 13 and under ● 14 – 19 ● 20 – 29 ● 30 – 39 ● 40 – 49 ● 50 – 59 ● 60 – 69 ● 70 and over The Fine Print Entry fees to our trail runs are non-refundable in all cases, and we do not offer credits, transfers, or deferrals to future races except as described below. Only registered runners can participate in our races, and you cannot exchange your entry with anyone else in any case. We are happy to issue a credit worth 50% of your original race fee toward a future Inside Trail Racing event if we receive your cancellation at least 3 weeks prior to the race. Credits will expire 1 year after the date issued. There will be no credit provided if a cancellation is made within 3 weeks of the race. While we understand that last-minute injuries, conflicts, emergencies, deaths, and other unfortunate events affecting registered runners can happen and may impact your plans for participation, we must adhere to our cancellation policy stated above and cannot offer any credits, refunds, transfers, or deferrals in any of these cases. If the situation does arise where ITR must outright cancel an event for any reason, there will be no refunds. This could include earthquakes, floods, extreme weather, unsafe air quality, pandemics, or any other “Act of God”. ITR at its sole discretion may choose to offer future race credit or deferrals in these force majeure situations, depending on the circumstances and how close to the race date the event was cancelled. We will communicate with all registered runners as soon as possible regarding the cancellation and any pertinent information. We do not cancel races due to rain or heat. Due to trail work, closures, or for myriad other reasons, permitting agencies may require changes to the publicized courses at any time prior to an event. This is out of our control, and we therefore will not offer refunds, credits, deferrals, or transfers (except as described below) in such a situation. If a race location is changed, but still hosted on the same day, we will automatically transfer the registration over to the new venue, or entrants may choose to run the race remotely and we will mail awards. If a race is postponed all entrants will be transferred to the new date. www.insidetrail.com Event's current local time: 7:47 AM PT
Detailed Course Map | Turn by Turn Directions | Aid Station Distances and Cutoffs | Elevation Profiles Aid Station Supplies Inside Trail Racing aid stations are replete with an optimal variety of glycogen-replenishing, electrolyte-replacing products. The following is a list of some of the foods and beverages each aid station may provide: Gu Energy gels, chews, and Stroopwafels, trail mix, pretzels, potato chips, Oreo cookies, Coke, Ginger Ale, water, Skratch Labs Sports Hydration Mix, PB&J sandwiches, M&M’s, salt tablets, bananas, watermelon, and tangerines. Aid stations are also equipped with general first aid items, including Salt-Stick tablets, but no anti-inflammatory medicine. Skratch Labs is 80 calories per serving with minimal sugar (4g per 100 ml) and a ratio of sugar (glucose + fructose) that is optimized for faster absorption, an electrolyte profile that actually matches what is lost in sweat (800 mg sodium, 80 mg potassium, 100 mg calcium, and 80 mg of magnesium per liter) As distances between aid station vary, we strongly encourage all runners to carry at least one 20oz bottle during their run. We are a CUPLESS event series. This means no cups at aid stations or at the start/finish. Volunteer Without the support of enthusiastic and caring volunteers producing our races would not be possible. Volunteers of all ages and abilities help with setup, check-in, aid stations, course marshaling, timing, and post-race food. Volunteering is a fun, novel way to experience races, play in the outdoors, and spend time with friendly people. All volunteers receive a free race T-shirt, free food, and the ability to earn credit toward a future Inside Trail Racing event, commensurate to the amount of time worked. Five hours of assisting an event results in a free race credit or Inside Trail merchandise. To volunteer for this year’s event, please submit our online volunteer form . Shirts Most of our race shirts are District Perfect-Tri tri-blend fabric shirt. This tee is made with top-of-the-line sportswear technology to heighten performance during your toughest workouts. With sun defense, moisture-wicking technology, quick stain release, and comfortable fit, this tri-blend performance crew serves the needs of every athlete. It’s the perfect year-round choice for outdoor sports and exercise. Get the most out of your workout with this tough, hardworking tee. Features: ● 4.5-ounce, 50/25/25 poly/combed ring spun cotton/rayon, 32 singles ● 1X1 rib knit neck ● Shoulder to shoulder taping ● UPF 30 To be guaranteed a shirt and shirt size, you must register by December 5, 2026.
Inside Trail Racing aid stations are replete with an optimal variety of glycogen-replenishing, electrolyte-replacing products. The following is a list of some of the foods and beverages each aid station may provide: Gu Energy gels, chews, and Stroopwafels, trail mix, pretzels, potato chips, Oreo cookies, Coke, Ginger Ale, water, Skratch Labs Sports Hydration Mix, PB&J sandwiches, M&M’s, salt tablets, bananas, watermelon, and tangerines. Aid stations are also equipped with general first aid items, including Salt-Stick tablets, but no anti-inflammatory medicine. Skratch Labs is 80 calories per serving with minimal sugar (4g per 100 ml) and a ratio of sugar (glucose + fructose) that is optimized for faster absorption, an electrolyte profile that actually matches what is lost in sweat (800 mg sodium, 80 mg potassium, 100 mg calcium, and 80 mg of magnesium per liter) As distances between aid station vary, we strongly encourage all runners to carry at least one 20oz bottle during their run. We are a CUPLESS event series. This means no cups at aid stations or at the start/finish.
Without the support of enthusiastic and caring volunteers producing our races would not be possible. Volunteers of all ages and abilities help with setup, check-in, aid stations, course marshaling, timing, and post-race food. Volunteering is a fun, novel way to experience races, play in the outdoors, and spend time with friendly people. All volunteers receive a free race T-shirt, free food, and the ability to earn credit toward a future Inside Trail Racing event, commensurate to the amount of time worked. Five hours of assisting an event results in a free race credit or Inside Trail merchandise. To volunteer for this year’s event, please submit our online volunteer form .
Most of our race shirts are District Perfect-Tri tri-blend fabric shirt. This tee is made with top-of-the-line sportswear technology to heighten performance during your toughest workouts. With sun defense, moisture-wicking technology, quick stain release, and comfortable fit, this tri-blend performance crew serves the needs of every athlete. It’s the perfect year-round choice for outdoor sports and exercise. Get the most out of your workout with this tough, hardworking tee. Features: ● 4.5-ounce, 50/25/25 poly/combed ring spun cotton/rayon, 32 singles ● 1X1 rib knit neck ● Shoulder to shoulder taping ● UPF 30 To be guaranteed a shirt and shirt size, you must register by December 5, 2026.
The top three overall winners (male and female) of each race distance will receive a custom trophy with the race logo. In addition, the top finisher for each distance (male and female) will receive a special item from one of Inside Trail’s sponsors. All finishers will receive a custom medal with the race logo. All 50K finishers will receive a pint glass with the race logo. The Dead Last Finisher (DLF) in each even will receive a custom award. Age-group medals (3 deep) will be awarded in the following categories, for males, females and non-binary: ● 13 and under ● 14 – 19 ● 20 – 29 ● 30 – 39 ● 40 – 49 ● 50 – 59 ● 60 – 69 ● 70 and over
Entry fees to our trail runs are non-refundable in all cases, and we do not offer credits, transfers, or deferrals to future races except as described below. Only registered runners can participate in our races, and you cannot exchange your entry with anyone else in any case. We are happy to issue a credit worth 50% of your original race fee toward a future Inside Trail Racing event if we receive your cancellation at least 3 weeks prior to the race. Credits will expire 1 year after the date issued. There will be no credit provided if a cancellation is made within 3 weeks of the race. While we understand that last-minute injuries, conflicts, emergencies, deaths, and other unfortunate events affecting registered runners can happen and may impact your plans for participation, we must adhere to our cancellation policy stated above and cannot offer any credits, refunds, transfers, or deferrals in any of these cases. If the situation does arise where ITR must outright cancel an event for any reason, there will be no refunds. This could include earthquakes, floods, extreme weather, unsafe air quality, pandemics, or any other “Act of God”. ITR at its sole discretion may choose to offer future race credit or deferrals in these force majeure situations, depending on the circumstances and how close to the race date the event was cancelled. We will communicate with all registered runners as soon as possible regarding the cancellation and any pertinent information. We do not cancel races due to rain or heat. Due to trail work, closures, or for myriad other reasons, permitting agencies may require changes to the publicized courses at any time prior to an event. This is out of our control, and we therefore will not offer refunds, credits, deferrals, or transfers (except as described below) in such a situation. If a race location is changed, but still hosted on the same day, we will automatically transfer the registration over to the new venue, or entrants may choose to run the race remotely and we will mail awards. If a race is postponed all entrants will be transferred to the new date. www.insidetrail.com
Dec 19, 2026
Distance — 35K
Type — Running
08:00
$105.00
Dec 19, 2026
Distance — 50K
Type — Running
08:00
$130.00
Dec 19, 2026
Distance — 21.1K
Type — Running
08:30
$90.00
Dec 19, 2026
Distance — 10K
Type — Running
09:00
$75.00
These values represent the 3-year monthly averages for December in Redwood City.
Learn more about the host city, Redwood City.
Redwood City is a city in San Mateo County, California, United States, on the San Francisco Peninsula in the Bay Area of Northern California, approximately 27 miles (43 km) south of San Francisco and 24 miles (39 km) northwest of San Jose. The city's population was 84,292 according to the 2020 census. The Port of Redwood City is the only deepwater port on San Francisco Bay south of San Francisco.
Read more launchTours and activities near Redwood City, powered by Viator.
Watch highlights and course previews from previous years.
All-time top performances and historical records for Woodside Ramble.
| Place | Name | Year | Time | |
|---|---|---|---|---|
| 🥇 | Matt Daniels | '18 | 3:18:06 | |
| 🥈 | William Conner | '22 | 3:37:21 | |
| 🥉 | Drew Macomber | '16 | 3:37:31 | |
| 4 | Ben Koss | '17 | 3:38:37 | |
| 5 | Logan Williams | '21 | 3:39:51 | |
| 6 | Rio Reina | '16 | 3:42:37 | |
| 7 | Rod Farvard | '16 | 3:44:24 | |
| 8 | Bob Shebest | '16 | 3:47:24 | |
| 9 | Kevin Stewart | '25 | 3:48:06 | |
| 10 | Ben Koss | '16 | 3:49:50 |
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