Olympic TriathlonHalf MarathonUltraKidsTrail

SGRAIL Marin - Triathlon & Trail Half Marathon

Date: Last held Oct 3, 2026, next date to be announced
Location: San Rafael, California

View on RunSignup

Registration for the next edition has not opened.

We earn a small commission when you register through this link, at no cost to you. Details

Official race website

Start location and course

McNear’s Beach Park, San Rafael, CA 94901

Directions to the start

The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.

2026 results

All results (4 years)

Trail Half Marathon

finishers

2:23:06

median (10:55 /mi)

1:41:35

winning time

50% / 50%

women / men

Finish times, fastest to slowest. Each bar is a slice of the field; the dashed line is the median.

Olympic Triathlon

finishers

3:12:03

median

2:12:22

winning time

28% / 72%

women / men

Olympic Relay

finishers

2:54:16

median

2:11:30

winning time

–

women / men

Aggregated from official results (Inside Trail Racing) for SGRAIL Marin - Triathlon & Trail Half Marathon. Individual finisher names are not stored here.

How fast do you need to be at SGRAIL Marin - Triathlon & Trail Half Marathon?

At the 2026 Trail Half Marathon, the fastest tenth finished in 1:54:52 or better, the top quarter in 2:09:35, and half the field in 2:23:06; the last tenth came in after 3:00:07.

At the 2026 Olympic Triathlon, the fastest tenth finished in 2:29:24 or better, the top quarter in 2:43:10, and half the field in 3:12:03; the last tenth came in after 4:04:06.

At the 2026 Olympic Relay, the fastest tenth finished in 2:18:40 or better, the top quarter in 2:29:44, and half the field in 2:54:16; the last tenth came in after 4:11:26.

Third place by age group, 2026 Trail Half Marathon
Age	Women	Men
20-29	2:47:37	1:54:52
30-39	2:10:02	2:00:37
40-49	2:20:16	1:54:51
50-59	2:58:39	n/a

Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.

What would my time get me?

Where a finish time would have placed in 2026.

EventFinish timeGenderAge group

Swim, bike and run splits at SGRAIL Marin - Triathlon & Trail Half Marathon

At the 2026 Olympic Triathlon, the bike decided the most: the middle of the field lost about 14:17 to the top quarter there, 41% of the gap across the three legs.

Compared with a typical olympic triathlon in California, the median swim here was 4:09 slower, the bike 10:28 slower and the run 9:31 slower (swim lengths differ from race to race).

2026 Olympic Triathlon, 68 finishers
Leg	Top 10%	Top 25%	Median	Slowest 25%
Swim	21:10	23:50	32:18	43:08+
T1	1:25	2:02	2:52	3:56+
Bike	1:17:45	1:24:23	1:34:33	1:44:24+
T2	0:56	1:29	2:08	2:48+
Run	44:39	50:34	57:37	1:09:59+

Each column ranks finishers on that leg alone, from the race's published results. T1 and T2 are transitions.

Finishers by year

Down 63 percent since 2021.

395

2021

358

2022

428

2023

148

2026

All events combined, from official results.

Race details

Where: McNear’s Beach Park, San Rafael, CA 94901Map
Course: Trail
Start elevation: About 260 feet
Distances: Olympic Triathlon, Half Marathon, Ultra, Kids
Editions: 2026 (Oct 3, 2026), 2025 (Apr 12, 2025), 2023 (Oct 28, 2023), 2022 (Oct 29, 2022), 2021 (Oct 30, 2021)
Status: The next edition has not been announced yet. Past events: Olympic Duathlon, Olympic Relay, Olympic Triathlon, Sprint Duathlon, Sprint Relay.

Organize this race? Add details or a correction

Quick answers

When is SGRAIL Marin - Triathlon & Trail Half Marathon?: The next date has not been announced.
How much does it cost?: See the registration page for current pricing.
What distances are offered?: Olympic Triathlon, Half Marathon, Ultra, Kids.
How big is it, and how fast?: In 2026, 70 athletes finished the Trail Half Marathon; the median finish was 2:23:06 and the winner finished in 1:41:35.
Where does it start?: McNear’s Beach Park, San Rafael, CA 94901.