2026 Niagara Ultra Marathon - Jun 20 Race Completed

Q: How do you register for the Niagara Ultra Marathon?

Entry is first-come, first-served through the official Race Roster page linked from niagaraultra.ca &mdash; there is no lottery. Because the full-marathon field is tiny (around 122 finishers), spots are limited and recent editions have sold out before race day, so register early. The 2026 marathon runs roughly CA$145 early-bird, rising to about CA$162 regular and CA$178 late, so lock in your spot at the early-bird tier if you can.

Q: Is the Niagara Ultra Marathon a Boston qualifier?

Yes. The marathon is a certified Boston qualifier (BQ) and the organizers run a dedicated Boston-qualifier landing page for it. In practice only a small share of this recreational field hits the standard &mdash; published results show BQ rates of about 3.3% (2024) and 5.7% (2022) &mdash; so treat it as a legitimate but honest BQ attempt, not a downhill time-trial.

Q: What is the course like and how hard is it?

The course is a flat-friendly out-and-back on the paved Niagara River Recreation Trail, starting in Niagara-on-the-Lake and turning around upriver toward the Falls. The first 7 and last 7 miles are flat; the only real challenge is a hill just past mile 7 that climbs about 250 ft (76 m) in under a mile, which you get back as a descent near mile 18. Total elevation gain is modest at roughly +155 m, making it a fast, scenic course rather than a brutal one.

Q: What is the time limit?

The marathon starts at 7:00 a.m. and there are two hard cutoffs: you must reach the halfway point by 11:00 a.m. (a four-hour first half) and the course closes at 5:00 p.m. &mdash; about 10 hours of total course time from the marathon start. That generous window makes it a friendly first-marathon or comeback option, but confirm the exact cutoffs on the official race-info page before you commit.

Q: What should I wear and expect for weather?

Mid-June mornings on the Niagara River average around 16&deg;C / 61&deg;F at the 7 a.m. start, climbing toward highs near 22&deg;C / 71&deg;F with humidity around 78%. Dress in light, breathable kit you can shed, plan for slower runners to finish in warmer late-morning sun, and pack a rain shell &mdash; June averages roughly 8 wet days, so a passing shower is realistic.

Q: Are there aid stations and is the trail closed to traffic?

The race is run on the Niagara River Recreation Trail, a paved multi-use path that is largely traffic-free but not a fully closed road &mdash; expect several road crossings and shared use with cyclists and walkers. Aid stations are provided along the out-and-back, but because this is a small grassroots event spread thin over a long route, many runners carry a handheld or vest for fluids between stops.

Race Completed

This marathon has finished. Check back for next year's edition.

Finished this one? Turn your result into a keepsake:
Finisher certificate · Virtual race bib · Achievement card

Race Information

Race	2026 Niagara Ultra Marathon - Jun 20
City	Niagara-on-the-Lake
Date	2026-06-20 at 07:00
Field Size	~122 runners
Time Limit	10 hours
Cutoff pace	14:13/km
Timezone	America/Toronto
Official Site	St. Catharines Roadrunners & Walkers

Race Day Weather

Average Temperature	19.3°C / 67°F
Humidity	73%
Wind	21.6 km/h
Rain Chance	51%
Typical Conditions	Mild, humid early-summer river morning with a chance of showers

What to Prepare: A 7 a.m. start in mid-June on the Niagara River sits around 16°C / 61°F but warms fast toward the afternoon course close, and humidity runs near 78%. Carry your own fluids between aid stations, start in light layers you can shed, and respect the one real hill past mile 7 instead of chasing splits early.

Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.

Wind Impact on Race Day

Wind at 21.6 km/h can affect your marathon pace by 5-15 seconds per kilometer. Headwinds slow you down exponentially — a 20 km/h wind costs more than twice a 10 km/h wind.

Calculate your wind-adjusted pace →

Race-Week Climate

Based on 20 years of race-week weather (2005-2024), MERRA-2 reanalysis

	Cooler	Typical	Warmer
Temperature	16.2°C	19.3°C	22.5°C
Dew point	9.8°C	14.1°C	18°C

Wet-day chance: 51% Runnability: 69/100

Data: NASA POWER (MERRA-2 reanalysis), NASA Langley Research Center

Course Profile

Course Type	Out-and-back
Elevation Gain	155m
Terrain	Paved multi-use recreational trail (asphalt bike path) with several road crossings
Profile	A flat-and-fast out-and-back course on the paved Niagara River Recreation Trail. The first 7 miles and last 7 miles are flat; just past mile 7 a single hill rises roughly 250 ft (76 m) over a little under a mile, which you descend around mile 18, with gently rolling sections in between. Total climb is modest at about +155 m. A certified Boston qualifier; entry is first-come, no lottery.
Boston Qualifier	Yes — Check your BQ time

Prepare for 2026 Niagara Ultra Marathon - Jun 20

Use our free training tools to get race-ready:

Running Pace Calculator — Min/km, Finish Time & Pace Chart

Free running pace calculator for 5K, 10K, half marathon, and marathon. Get min/km or min/mile, your ...

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Free Pace Band Generator — Printable Race Day Wristband

Free printable pace band for marathon, half marathon, or custom distance. Choose even, negative, or ...

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Marathon Wake-Up Time Calculator — Race Morning Timeline

7 AM race, wake at 3:45 AM? Enter the gun time; we work backward through meal, gear, bathroom, warm-...

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Dew Point Running Calculator — Pace Adjustment Chart

Enter temperature and humidity to calculate dew point and its impact on your running pace. 7-zone ch...

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Elevation Gain/Loss Impact Calculator

How much will hills slow you down? Enter elevation gain, loss, and distance to see adjusted pace, di...

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Grade Adjusted Pace (GAP) Calculator — Hills & Strava

Convert uphill or downhill running pace to flat-equivalent GAP in one click. Free grade adjusted pac...

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Frequently Asked Questions

How do you register for the Niagara Ultra Marathon?

Entry is first-come, first-served through the official Race Roster page linked from niagaraultra.ca — there is no lottery. Because the full-marathon field is tiny (around 122 finishers), spots are limited and recent editions have sold out before race day, so register early. The 2026 marathon runs roughly CA$145 early-bird, rising to about CA$162 regular and CA$178 late, so lock in your spot at the early-bird tier if you can.

Is the Niagara Ultra Marathon a Boston qualifier?

Yes. The marathon is a certified Boston qualifier (BQ) and the organizers run a dedicated Boston-qualifier landing page for it. In practice only a small share of this recreational field hits the standard — published results show BQ rates of about 3.3% (2024) and 5.7% (2022) — so treat it as a legitimate but honest BQ attempt, not a downhill time-trial.

What is the course like and how hard is it?

The course is a flat-friendly out-and-back on the paved Niagara River Recreation Trail, starting in Niagara-on-the-Lake and turning around upriver toward the Falls. The first 7 and last 7 miles are flat; the only real challenge is a hill just past mile 7 that climbs about 250 ft (76 m) in under a mile, which you get back as a descent near mile 18. Total elevation gain is modest at roughly +155 m, making it a fast, scenic course rather than a brutal one.

What is the time limit?

The marathon starts at 7:00 a.m. and there are two hard cutoffs: you must reach the halfway point by 11:00 a.m. (a four-hour first half) and the course closes at 5:00 p.m. — about 10 hours of total course time from the marathon start. That generous window makes it a friendly first-marathon or comeback option, but confirm the exact cutoffs on the official race-info page before you commit.

What should I wear and expect for weather?

Mid-June mornings on the Niagara River average around 16°C / 61°F at the 7 a.m. start, climbing toward highs near 22°C / 71°F with humidity around 78%. Dress in light, breathable kit you can shed, plan for slower runners to finish in warmer late-morning sun, and pack a rain shell — June averages roughly 8 wet days, so a passing shower is realistic.

Are there aid stations and is the trail closed to traffic?

The race is run on the Niagara River Recreation Trail, a paved multi-use path that is largely traffic-free but not a fully closed road — expect several road crossings and shared use with cyclists and walkers. Aid stations are provided along the out-and-back, but because this is a small grassroots event spread thin over a long route, many runners carry a handheld or vest for fluids between stops.

Where do results get posted?

Official chip results are posted through the timing provider and linked from the Niagara Ultra site, and the marathon is indexed on running directories such as findmymarathon and marathonview. For context, recent finisher counts were 122 (2024), 120 (2023) and 105 (2022) — the published "965 finishers" figure is the combined weekend total across the 10K, half, marathon, 50K and 80K, not the marathon alone.