St. George Marathon: Pacing & Race-Day Strategy

A big net-downhill point-to-point through red-rock country. It’s fast, but the descents demand respect.

Last updated September 2026

Where:: St. George, Utah
When:: Saturday, October 3, 2026
Course:: Net downhill · point-to-point
Best run as:: Even pace

Course & elevation

St. George drops substantially net from start to finish, but it’s not all downhill. A notable climb up Veyo Hill around miles 7–8 interrupts the descent before the long downgrade resumes, and the steep finishing descent can wreck unprepared quads.

Start → Finish: 5,244 → 2,685 ft
Net: −2,559 ft
Total gain: ≈ 500 ft

Start · 5,244 ftFinish · 2,685 ft

The certified route

Point to point south on SR-18 from north of Veyo, through Diamond Valley and into St. George, finishing on 300 South.

Start: SR-18 north of Veyo, on the centerline 60 ft southeast of the first cable line.
Finish: 300 South in St. George, reached via Diagonal St and 300 West.

Underfoot

Fully paved.

Through, in order

Veyo · Diamond Valley · St. George

What you pass

The descent of SR-18 from north of Veyo
Mile 14: transition point on SR-18
Red Hills Parkway and Diagonal St into downtown St. George

Worth knowing

From the start to mile 14 all lanes of SR-18 are closed to traffic; from mile 14 to 17.5 runners use the southbound lanes, then cross to the two northbound lanes until mile 23.5.

Transcribed from the USATF certificate for St. George Marathon (UT25013TJD), measured 17 and 24 August 2025. Where the certificate is silent, so are we.

Key moments

Mile 7–8Veyo Hill, the one real climb, right when you’re feeling fast.
Mile 8–18Rolling descent through high desert. Relax, don’t pound.
Mile 19–26.2Steep sustained downhill to the finish. Untrained quads will pay for it.

Pacing strategy

Train your quads for downhill running beforehand. Ease over Veyo, then run the long descent with a light, quick turnover rather than braking. Even effort yields a fast time here.

Pacing by goal time

Checkpoint splits for four common goals at St. George Marathon. These are effort-even rather than pace-even: the paces shift with the course profile, so climbs are slower and descents faster by the amount the grade actually costs. For any other goal time, use the planner below.

St. George Marathon checkpoint splits for sub-3:00 through sub-4:30 goals
Checkpoint	Sub-3:00	Sub-3:30	Sub-4:00	Sub-4:30
Mile 3.1	22:017:22/mi	25:428:36/mi	29:229:49/mi	33:0211:03/mi
Mile 6.2	45:508:14/mi	53:289:36/mi	1:01:0610:59/mi	1:08:4512:21/mi
Mile 9.3	1:08:346:50/mi	1:20:007:58/mi	1:31:269:06/mi	1:42:5210:15/mi
Mile 12.4	1:28:196:29/mi	1:43:027:34/mi	1:57:458:39/mi	2:12:289:43/mi
Mile 15.5	1:46:506:10/mi	2:04:387:11/mi	2:22:268:13/mi	2:40:159:14/mi
Mile 18.6	2:05:196:10/mi	2:26:127:11/mi	2:47:058:13/mi	3:07:589:14/mi
Mile 21.7	2:24:056:20/mi	2:48:067:23/mi	3:12:068:26/mi	3:36:079:30/mi
Mile 24.9	2:43:566:47/mi	3:11:157:55/mi	3:38:349:03/mi	4:05:5310:11/mi
Finish	2:58:247:18/mi	3:28:088:30/mi	3:57:529:43/mi	4:27:3610:56/mi

Splits assume even effort and are adjusted for this course's climbs and descents, which cost more than they give back. A model, not a promise: wind and heat move real splits around. See how the pacing model works.

Plan your mile splits

Turn your goal time into a mile-by-mile plan for St. George Marathon, built from this course's elevation. The even pace approach comes pre-selected, and grade-adjusted pacing evens out your effort across the climbs and descents.

Plan St. George Marathon splits

Fueling & hydration

Aid stations roughly every 2 miles with water and sports drink. The cool, dry desert air masks fluid loss, so drink on schedule even if you don’t feel thirsty.

Weather

Early-October southern Utah is cold and dark at the high-elevation start, warming quickly under desert sun by late morning.

What race morning has actually been like

The last 5 editions of St. George Marathon, measured at the start line rather than averaged across the month. Starts have run 44–63°F, averaging 53°F.

St. George Marathon observed race-morning weather by year
Year	Date	Start	Dew pt	Wind	By late morning
2021	Oct 2	51°F	30°F	4 mph	67°F
2022	Oct 1	56°F	36°F	5 mph	69°F
2023	Oct 7	52°F	42°F	8 mph	69°F
2024	Oct 5	63°F	26°F	11 mph	81°F
2025	Oct 4	44°F	36°F	1 mph	55°F

The gap between the gun and late morning matters here. In 2024 it went from 63°F at the start to 81°F by late morning. A four-hour finisher ran a materially different race from a three-hour one.

Dates derived from the race's published pattern (1st Saturday in October), observations at Central, UT (start). Source: Open-Meteo historical reanalysis (ERA5), 7-11am local at the start line. Reanalysis is modelled from station observations, so treat it as a close record rather than an official one. See how race-morning weather is built.

Is St. George Marathon a good Boston qualifier?

It can be, but with an asterisk. The course drops 2,559 ft net, which puts it in the band where the B.A.A. adds 5:00 to your submitted time for 2027. That does not disqualify the race. It means you need to run 5 minutes faster here than the standard alone suggests.

A drop this size is fast and punishing at once. Sustained descent loads the quads eccentrically, and runners who have not trained for it tend to lose more in the last 10K than the profile gave them in the first. If you target this race, train downhill specifically.

This drop is our estimate rather than a figure from the course's certificate. If it sits near a threshold, confirm with the organizer.

Compare every course, how the downhill bands work, or work out your own target.

Dial in your pacing & fueling

New to how training builds toward a race like this? Start with Anatomy of a Running Plan, find your zones with the pace calculator, and plan race-day nutrition with the fueling calculator.

Related marathon guides

Train for St. George Marathon

Build a free, personalized marathon plan that progresses you safely to race day, with paces tuned to your goal.

Create your free plan