ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Katherine Byrd

Memphis, TN

Bib: 10830 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Top 13%

Gender (Female)

#0 / 3868

Top 7%

Masters (Masters Women)

#0 / 1487

Top 5%

Division (F40-44)

#0 / 397

Top 9%

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

8:37/mi

26:47

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

8:41/mi

53:46

↑ 105 ft↓ 119 ft

290 ft elev

6:57/mi

1:06:11

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

8:51/mi

1:23:53

↑ 45 ft↓ 35 ft

254 ft elev

11M

8:59/mi

1:32:52

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

9:37/mi

1:53:08

↑ 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

53:468:39 /mi⚡ faster

2nd Half

59:228:37 /mi+10.4%

Positive split — 10.4% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:47	8:37	3.11 mi	26:47	8:37	-
10K	53:46	8:39	3.10 mi	26:59	8:41	+0:04
8M	1:06:11	8:16	1.79 mi	12:25	6:57	-1:44
10M	1:23:53	8:23	2.00 mi	17:42	8:51	+1:54
11M	1:32:52	8:27	1.00 mi	8:59	8:59	+0:08
Finish(13.11 mi)	1:53:08	8:38	2.11 mi	20:16	9:37	+0:38

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:57 /mi

Average Pace

8:38 /mi

Slowest Pace

9:37 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

12:25

11% of race

Time at Steady Pace

1:20:27

71% of race

Time at Slower Pace

20:16

18% of race

Average Pace: 8:38 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	964	298	298	964	298	298
10K	3.10 mi	995-31	319-21	319-21	1068	345	345
8M	1.79 mi	1005-10	322-3	322-3	1034	320	320
10M	2.00 mi	951+54	298+24	298+24	840	238	238
11M	1.00 mi	939+12	288+10	288+10	899	266	266
Finish(13.11 mi)	2.11 mi	879+60	254+34	254+34	879	259	259

259

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