ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

David Williamson

Hernando, MS

Bib: 11192 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 (M50-54)

#0 / 231

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

11:26/mi

35:32

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

11:44/mi

1:11:59

↑ 105 ft↓ 119 ft

290 ft elev

9:30/mi

1:28:57

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

12:02/mi

1:53:01

↑ 45 ft↓ 35 ft

254 ft elev

11M

12:21/mi

2:05:22

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

13:03/mi

2:32:53

↑ 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

1:11:5911:35 /mi⚡ faster

2nd Half

1:20:5311:44 /mi+12.4%

Positive split — 12.4% slower in the second half

AI Race Performance Report

David'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	35:32	11:26	3.11 mi	35:32	11:26	-
10K	1:11:59	11:35	3.10 mi	36:27	11:44	+0:18
8M	1:28:57	11:07	1.79 mi	16:58	9:30	-2:14
10M	1:53:01	11:18	2.00 mi	24:04	12:02	+2:32
11M	2:05:22	11:24	1.00 mi	12:21	12:21	+0:19
Finish(13.11 mi)	2:32:53	11:40	2.11 mi	27:31	13:03	+0:42

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:30 /mi

Average Pace

11:40 /mi

Slowest Pace

13:03 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

52:30

34% of race

Time at Steady Pace

1:12:52

48% of race

Time at Slower Pace

27:31

18% of race

Average Pace: 11:40 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	4792	2368	2368	4792	2368	2368
10K	3.10 mi	4653+139	2321+47	2321+47	4574	2290	2290
8M	1.79 mi	4599+54	2294+27	2294+27	4475	2215	2215
10M	2.00 mi	4446+153	2242+52	2242+52	4008	2037	2037
11M	1.00 mi	4367+79	2207+35	2207+35	3858	1964	1964
Finish(13.11 mi)	2.11 mi	4208+159	2125+82	2125+82	3633	1859	1859

1859

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