Sun, May 2, 2027

Boise River Marathon

Boise, ID

Registration openAnnual since at least 2022
MarathonHalf Marathon10K5K

Entry is $35 now and rises to $40 after Nov 1, 2026, so registering before then saves $5.

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About the Boise River Marathon

The course follows the Boise River Greenbelt, staying close to the water for most of the route. The river moves through a rocky canyon section before the path opens into the city, so the surroundings shift as you run. The surface is road, the grade is gentle throughout, and the course is designed to run short rather than long, which is why a number of runners post personal bests here.

Packet pickup runs at a local running store the days before the race, with options at the start and finish area as well, including an early morning window on race day. Parking at the start and finish area is free. Marathoners have a gear check near the far end of the course, staffed by volunteers who hold bags while you run back toward the finish.

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Finish-Time Stats

Going by the 2026 results, this is a decent-sized field, with a competitive front end and a big recreational middle.

13.1 Miles · 2026 results

896finishers
1:19:15winner
2:17:39median
5:15:49cutoff

Top 3: Chris Roth (1:19:15) · Teagan Dalling (1:23:51) · Cole Toumajian (1:24:37)

6.2 Miles · 2026 results

387finishers
36:15winner
1:10:33median
2:09:34cutoff

Top 3: David Coyle (36:15) · Mason Huffman (38:24) · Clint Allred (38:38)

3.1 Miles · 2026 results

302finishers
22:27winner
39:26median
1:30:17cutoff

Top 3: Carly Richmond (22:27) · Ian McGetrick (23:13) · Jeremy Kuhre (23:16)

26.2 Miles · 2026 results

283finishers
2:39:45winner
4:29:45median
7:36:22cutoff

Top 3: Joshua McAdams (2:39:45) · Andrew Meyers (2:46:22) · Mitchell Blume (2:46:40)

The Boise River Marathon has been held every year since at least 2022. That is as far back as RunSignup's records for this race go, so it may well be older.

Where Would You Finish?

Enter a finish time to see where it lands against the most recent 13.1 Miles results.

Median

See how your time stacks up nationally →

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.

Distances & Start Times

26.2 Miles5/2/2027 06:30$60
13.1 Miles5/2/2027 08:00$50
6.2 Miles5/2/2027 09:00$45
3.1 Miles5/2/2027 09:00$35
Virtual - any distance!5/2/2027 06:30$45

Going for a Time?

Set a goal and get a pace band: every mile split on a card sized for your phone lock screen, so race morning needs no math.

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Common Questions About the Boise River Marathon

Will I finish last at the Boise River Marathon?

Almost certainly not. Half the 13.1 Miles field finished slower than 2:17:39, and the last recorded finisher came in around 5:15:49, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.

Is the Boise River Marathon a good first 13.1 Miles?

With 896 finishers there are runners at every pace, so you are never out on your own. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 13.1 Miles, that spread matters more than the winner's time.

How competitive is the Boise River Marathon?

The 13.1 Miles winner ran 1:19:15 while the median finisher took 2:17:39. That spread points to a mixed field, with a competitive front and a big recreational middle.

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