ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Jeff McCalla

Memphis, TN

Bib: 12667 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 (M55-59)

#0 / 192

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

10:15/mi

31:50

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

11:29/mi

1:07:32

↑ 105 ft↓ 119 ft

290 ft elev

12:05/mi

1:29:08

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

17:51/mi

2:04:50

↑ 45 ft↓ 35 ft

254 ft elev

11M

19:23/mi

2:24:13

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

21:29/mi

3:09:31

↑ 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

1:07:3210:52 /mi⚡ faster

2nd Half

2:01:5917:41 /mi+80.6%

Positive split — 80.6% slower in the second half

AI Race Performance Report

Jeff'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	31:50	10:15	3.11 mi	31:50	10:15	-
10K	1:07:32	10:52	3.10 mi	35:42	11:29	+1:14
8M	1:29:08	11:08	1.79 mi	21:36	12:05	+0:36
10M	2:04:50	12:29	2.00 mi	35:42	17:51	+5:46
11M	2:24:13	13:07	1.00 mi	19:23	19:23	+1:32
Finish(13.11 mi)	3:09:31	14:27	2.11 mi	45:18	21:29	+2:06

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:15 /mi

Average Pace

14:27 /mi

Slowest Pace

21:29 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:29:08

47% of race

Time at Steady Pace

55:05

29% of race

Time at Slower Pace

45:18

24% of race

Average Pace: 14:27 /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	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3209	1797	1797	3209	1797	1797
10K	3.10 mi	3873-664	2040-243	2040-243	4375	2230	2230
8M	1.79 mi	4625-752	2303-263	2303-263	6089	2740	2740
10M	2.00 mi	5393-768	2540-237	2540-237	6571	2881	2881
11M	1.00 mi	5637-244	2616-76	2616-76	6675	2920	2920
Finish(13.11 mi)	2.11 mi	5958-321	2706-90	2706-90	6674	2911	2911

2911

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