ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Fred Shackelford

Bartlett, TN

Bib: 13748 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Gender (Male)

#0 / 2969

Masters (Masters Men)

#0 / 1204

Division (M45-49)

#0 / 253

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

11:21/mi

35:15

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:58/mi

1:09:20

↑ 105 ft↓ 119 ft

290 ft elev

8:37/mi

1:24:43

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

11:37/mi

1:47:57

↑ 45 ft↓ 35 ft

254 ft elev

11M

12:49/mi

2:00:46

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

14:27/mi

2:31:15

↑ 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

1:09:2011:09 /mi⚡ faster

2nd Half

1:21:5411:53 /mi+18.1%

Positive split — 18.1% slower in the second half

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Fred'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	35:15	11:21	3.11 mi	35:15	11:21	-
10K	1:09:20	11:09	3.10 mi	34:05	10:58	-0:23
8M	1:24:43	10:35	1.79 mi	15:23	8:37	-2:21
10M	1:47:57	10:48	2.00 mi	23:14	11:37	+3:00
11M	2:00:46	10:59	1.00 mi	12:49	12:49	+1:12
Finish(13.11 mi)	2:31:15	11:32	2.11 mi	30:29	14:27	+1:38

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:37 /mi

Average Pace

11:32 /mi

Slowest Pace

14:27 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

15:23

10% of race

Time at Steady Pace

1:32:34

61% of race

Time at Slower Pace

43:18

29% of race

Average Pace: 11:32 /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	Males	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	4688	2332	2332	4688	2332	2332
10K	3.10 mi	4217+471	2175+157	2175+157	3842	2024	2024
8M	1.79 mi	4043+174	2110+65	2110+65	3436	1841	1841
10M	2.00 mi	3936+107	2051+59	2051+59	3638	1905	1905
11M	1.00 mi	3958-22	2054-3	2054-3	4215	2092	2092
Finish(13.11 mi)	2.11 mi	4094-136	2085-31	2085-31	4610	2206	2206

2206

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