ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Kristi Byrd

Clarksdale, MS

Bib: 10122 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Masters (Masters Women)

#0 / 1487

Division (F55-59)

#0 / 202

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

13:07/mi

40:44

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

13:46/mi

1:23:29

↑ 105 ft↓ 119 ft

290 ft elev

11:32/mi

1:44:05

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

15:49/mi

2:15:43

↑ 45 ft↓ 35 ft

254 ft elev

11M

17:02/mi

2:32:45

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

18:03/mi

3:10:48

↑ 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

1:23:2913:26 /mi⚡ faster

2nd Half

1:47:1815:34 /mi+28.5%

Positive split — 28.5% 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	40:44	13:07	3.11 mi	40:44	13:07	-
10K	1:23:29	13:26	3.10 mi	42:45	13:46	+0:39
8M	1:44:05	13:01	1.79 mi	20:36	11:32	-2:14
10M	2:15:43	13:34	2.00 mi	31:38	15:49	+4:17
11M	2:32:45	13:53	1.00 mi	17:02	17:02	+1:13
Finish(13.11 mi)	3:10:48	14:33	2.11 mi	38:03	18:03	+1:01

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:32 /mi

Average Pace

14:33 /mi

Slowest Pace

18:03 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:44:05

55% of race

Time at Steady Pace

31:38

17% of race

Time at Slower Pace

55:05

29% of race

Average Pace: 14:33 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	5934	3210	3210	5934	3210	3210
10K	3.10 mi	5861+73	3169+41	3169+41	5820	3142	3142
8M	1.79 mi	5873-12	3179-10	3179-10	5890	3197	3197
10M	2.00 mi	5915-42	3211-32	3211-32	6055	3332	3332
11M	1.00 mi	5958-43	3247-36	3247-36	6157	3403	3403
Finish(13.11 mi)	2.11 mi	5989-31	3273-26	3273-26	6075	3368	3368

3368

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