ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Jon Stembridge

Saltillo, MS

Bib: 14883 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

11:57/mi

37:07

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

13:00/mi

1:17:30

↑ 105 ft↓ 119 ft

290 ft elev

10:31/mi

1:36:18

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

14:36/mi

2:05:30

↑ 45 ft↓ 35 ft

254 ft elev

11M

16:16/mi

2:21:46

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

17:35/mi

2:58:50

↑ 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

1:17:3012:28 /mi⚡ faster

2nd Half

1:41:2014:42 /mi+30.8%

Positive split — 30.8% slower in the second half

AI Race Performance Report

Jon'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	37:07	11:57	3.11 mi	37:07	11:57	-
10K	1:17:30	12:28	3.10 mi	40:23	13:00	+1:03
8M	1:36:18	12:02	1.79 mi	18:48	10:31	-2:29
10M	2:05:30	12:33	2.00 mi	29:12	14:36	+4:05
11M	2:21:46	12:53	1.00 mi	16:16	16:16	+1:40
Finish(13.11 mi)	2:58:50	13:39	2.11 mi	37:04	17:35	+1:19

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:31 /mi

Average Pace

13:39 /mi

Slowest Pace

17:35 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:36:18

54% of race

Time at Steady Pace

29:12

16% of race

Time at Slower Pace

53:20

30% of race

Average Pace: 13:38 /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	5232	2511	2511	5232	2511	2511
10K	3.10 mi	5356-124	2545-34	2545-34	5446	2553	2553
8M	1.79 mi	5358-2	2539+6	2539+6	5343	2512	2512
10M	2.00 mi	5433-75	2553-14	2553-14	5621	2594	2594
11M	1.00 mi	5504-71	2585-32	2585-32	5938	2682	2682
Finish(13.11 mi)	2.11 mi	5624-120	2607-22	2607-22	5965	2668	2668

2668

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