ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Caleigh Shackleford

Humboldt, TN

Bib: 13549 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Division (F35-39)

#0 / 430

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

12:39/mi

39:18

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

16:19/mi

1:30:00

↑ 105 ft↓ 119 ft

290 ft elev

11:51/mi

1:51:11

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

16:49/mi

2:24:48

↑ 45 ft↓ 35 ft

254 ft elev

11M

17:11/mi

2:41:59

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

19:46/mi

3:23:41

↑ 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

1:30:0014:29 /mi⚡ faster

2nd Half

1:53:4116:29 /mi+26.3%

Positive split — 26.3% slower in the second half

AI Race Performance Report

Caleigh'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	39:18	12:39	3.11 mi	39:18	12:39	-
10K	1:30:00	14:29	3.10 mi	50:42	16:19	+3:40
8M	1:51:11	13:54	1.79 mi	21:11	11:51	-4:28
10M	2:24:48	14:29	2.00 mi	33:37	16:49	+4:58
11M	2:41:59	14:44	1.00 mi	17:11	17:11	+0:22
Finish(13.11 mi)	3:23:41	15:32	2.11 mi	41:42	19:46	+2:35

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:51 /mi

Average Pace

15:32 /mi

Slowest Pace

19:46 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:00:29

30% of race

Time at Steady Pace

1:41:30

50% of race

Time at Slower Pace

41:42

20% of race

Average Pace: 15:32 /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	5717	3064	3064	5717	3064	3064
10K	3.10 mi	6214-497	3420-356	3420-356	6510	3620	3620
8M	1.79 mi	6180+34	3396+24	3396+24	6007	3284	3284
10M	2.00 mi	6219-39	3430-34	3430-34	6314	3507	3507
11M	1.00 mi	6213+6	3426+4	3426+4	6214	3440	3440
Finish(13.11 mi)	2.11 mi	6257-44	3464-38	3464-38	6453	3618	3618

3618

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