ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Katelyn Hairston

Southaven, MS

Bib: 14707 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 46%

Gender (Female)

#0 / 3868

Top 37%

Division (F35-39)

#0 / 430

Top 38%

Race Day Weather

35°/25°F

mist

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 5 · 261 ft

Start

0:00

Race begins

258 ft elev

5K· 3.11 mi

11:00/mi

34:11

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:53/mi

1:07:59

↑ 105 ft↓ 119 ft

290 ft elev

8:43/mi

1:23:34

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

11:02/mi

1:45:38

↑ 45 ft↓ 35 ft

254 ft elev

11M

10:33/mi

1:56:11

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

11:11/mi

2:19:47

↑ 73 ft↓ 70 ft

262 ft elev

Course Elevation

407ft

Total climb

79ft

Range

237 to 316 ft

403ft

Total descent

About the height of a seven-story building

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The Course

Half Splits

1st Half· via 10K

1:07:5910:56 /mi⚡ faster

2nd Half

1:11:4710:25 /mi+5.6%

Positive split — 5.6% slower in the second half

AI Race Performance Report

Katelyn's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:11	11:00	3.11 mi	34:11	11:00	-
10K	1:07:59	10:56	3.10 mi	33:48	10:53	-0:07
8M	1:23:34	10:27	1.79 mi	15:35	8:43	-2:10
10M	1:45:38	10:34	2.00 mi	22:04	11:02	+2:19
11M	1:56:11	10:34	1.00 mi	10:33	10:33	-0:29
Finish(13.11 mi)	2:19:47	10:40	2.11 mi	23:36	11:11	+0:38

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:43 /mi

Average Pace

10:40 /mi

Slowest Pace

11:11 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

26:08

19% of race

Time at Steady Pace

1:53:39

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:40 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi3.3mi6.6mi9.8mi13.1mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F35-39	Seg. Overall	Seg. Females	Seg. F35-39
5K	3.11 mi	4263	2074	2074	4263	2074	2074
10K	3.10 mi	3957+306	1886+188	1886+188	3743	1750	1750
8M	1.79 mi	3865+92	1829+57	1829+57	3568	1675	1675
10M	2.00 mi	3644+221	1702+127	1702+127	3110	1415	1415
11M	1.00 mi	3485+159	1618+84	1618+84	2340	977	977
Finish(13.11 mi)	2.11 mi	3172+313	1428+190	1428+190	2206	926	926

926

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

ALSAC / St. Jude Children's Research Hospital

Race timed by

Sportstats