ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Jonathan Alpizar

Knoxville, TN

Bib: 16798 M

0:00

0:00

/ mi

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Overall

#0 / 6843

Gender (Male)

#0 / 2969

Division (M20-24)

#0 / 424

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

9:30/mi

29:32

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:04/mi

1:00:47

↑ 105 ft↓ 119 ft

290 ft elev

8:54/mi

1:16:41

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

11:28/mi

1:39:36

↑ 45 ft↓ 35 ft

254 ft elev

11M

12:47/mi

1:52:23

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

14:45/mi

2:23:30

↑ 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

1:00:479:47 /mi⚡ faster

2nd Half

1:22:4312:00 /mi+36.1%

Positive split — 36.1% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:32	9:30	3.11 mi	29:32	9:30	-
10K	1:00:47	9:47	3.10 mi	31:15	10:04	+0:34
8M	1:16:41	9:35	1.79 mi	15:54	8:54	-1:10
10M	1:39:36	9:58	2.00 mi	22:55	11:28	+2:34
11M	1:52:23	10:13	1.00 mi	12:47	12:47	+1:19
Finish(13.11 mi)	2:23:30	10:57	2.11 mi	31:07	14:45	+1:58

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:54 /mi

Average Pace

10:57 /mi

Slowest Pace

14:45 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:16:41

53% of race

Time at Steady Pace

22:55

16% of race

Time at Slower Pace

43:54

31% of race

Average Pace: 10:57 /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	M20-24	Seg. Overall	Seg. Males	Seg. M20-24
5K	3.11 mi	2161	1331	1331	2161	1331	1331
10K	3.10 mi	2421-260	1459-128	1459-128	2764	1606	1606
8M	1.79 mi	2711-290	1576-117	1576-117	3809	1984	1984
10M	2.00 mi	2912-201	1653-77	1653-77	3486	1856	1856
11M	1.00 mi	3087-175	1717-64	1717-64	4178	2078	2078
Finish(13.11 mi)	2.11 mi	3504-417	1874-157	1874-157	4800	2263	2263

2263

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