ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Jon Krzton

Jonesboro, AR

Bib: 15132 M

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 14%

Gender (Male)

#0 / 2969

Top 23%

Division (M35-39)

#0 / 373

Top 24%

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

9:03/mi

28:08

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

9:03/mi

56:16

↑ 105 ft↓ 119 ft

290 ft elev

6:55/mi

1:08:38

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

8:51/mi

1:26:20

↑ 45 ft↓ 35 ft

254 ft elev

11M

8:53/mi

1:35:13

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

9:02/mi

1:54:15

↑ 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

56:169:03 /mi⚡ faster

2nd Half

57:598:25 /mi+3.1%

Positive split — 3.1% 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	28:08	9:03	3.11 mi	28:08	9:03	-
10K	56:16	9:03	3.10 mi	28:08	9:03	0:00
8M	1:08:38	8:35	1.79 mi	12:22	6:55	-2:08
10M	1:26:20	8:38	2.00 mi	17:42	8:51	+1:56
11M	1:35:13	8:39	1.00 mi	8:53	8:53	+0:02
Finish(13.11 mi)	1:54:15	8:43	2.11 mi	19:02	9:02	+0:09

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:55 /mi

Average Pace

8:43 /mi

Slowest Pace

9:03 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

12:22

11% of race

Time at Steady Pace

1:41:53

89% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
5K	3.11 mi	1520	989	989	1520	989	989
10K	3.10 mi	1523-3	987+2	987+2	1535	991	991
8M	1.79 mi	1392+131	921+66	921+66	1009	700	700
10M	2.00 mi	1249+143	835+86	835+86	844	603	603
11M	1.00 mi	1182+67	796+39	796+39	804	580	580
Finish(13.11 mi)	2.11 mi	982+200	677+119	677+119	499	381	381

381

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