ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Della Shackelford

Oxford, MS

Bib: 15623 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Division (F16-19)

#0 / 159

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

11:36/mi

36:03

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

15:02/mi

1:22:45

↑ 105 ft↓ 119 ft

290 ft elev

13:04/mi

1:46:05

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

14:55/mi

2:15:54

↑ 45 ft↓ 35 ft

254 ft elev

11M

19:21/mi

2:35:15

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

16:53/mi

3:10:52

↑ 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

1:22:4513:19 /mi⚡ faster

2nd Half

1:48:0615:41 /mi+30.6%

Positive split — 30.6% slower in the second half

AI Race Performance Report

Della'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	36:03	11:36	3.11 mi	36:03	11:36	-
10K	1:22:45	13:19	3.10 mi	46:42	15:02	+3:26
8M	1:46:05	13:16	1.79 mi	23:20	13:04	-1:58
10M	2:15:54	13:35	2.00 mi	29:49	14:55	+1:51
11M	2:35:15	14:07	1.00 mi	19:21	19:21	+4:26
Finish(13.11 mi)	3:10:52	14:34	2.11 mi	35:37	16:53	-2:28

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:36 /mi

Average Pace

14:34 /mi

Slowest Pace

19:21 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

59:23

31% of race

Time at Steady Pace

1:16:31

40% of race

Time at Slower Pace

54:58

29% of race

Average Pace: 14:34 /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	F16-19	Seg. Overall	Seg. Females	Seg. F16-19
5K	3.11 mi	4961	2538	2538	4961	2538	2538
10K	3.10 mi	5815-854	3132-594	3132-594	6229	3435	3435
8M	1.79 mi	5974-159	3246-114	3246-114	6415	3568	3568
10M	2.00 mi	5929+45	3224+22	3224+22	5731	3095	3095
11M	1.00 mi	6028-99	3297-73	3297-73	6670	3748	3748
Finish(13.11 mi)	2.11 mi	5992+36	3275+22	3275+22	5733	3144	3144

3144

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