ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Karson Merkel

Memphis, TN

Bib: 14754 M

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 4%

Gender (Male)

#0 / 2969

Top 7%

Division (M30-34)

#0 / 365

Top 8%

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

7:53/mi

24:30

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

7:34/mi

48:01

↑ 105 ft↓ 119 ft

290 ft elev

6:17/mi

59:15

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

7:56/mi

1:15:07

↑ 45 ft↓ 35 ft

254 ft elev

11M

7:44/mi

1:22:51

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

7:51/mi

1:39:24

↑ 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

48:017:44 /mi⚡ faster

2nd Half

51:237:27 /mi+7.0%

Positive split — 7.0% 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	24:30	7:53	3.11 mi	24:30	7:53	-
10K	48:01	7:44	3.10 mi	23:31	7:34	-0:19
8M	59:15	7:24	1.79 mi	11:14	6:17	-1:17
10M	1:15:07	7:31	2.00 mi	15:52	7:56	+1:39
11M	1:22:51	7:32	1.00 mi	7:44	7:44	-0:12
Finish(13.11 mi)	1:39:24	7:35	2.11 mi	16:33	7:51	+0:07

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:17 /mi

Average Pace

7:35 /mi

Slowest Pace

7:56 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

11:14

11% of race

Time at Steady Pace

1:28:10

89% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
5K	3.11 mi	467	362	362	467	362	362
10K	3.10 mi	356+111	285+77	285+77	280	226	226
8M	1.79 mi	361-5	286-1	286-1	397	312	312
10M	2.00 mi	347+14	273+13	273+13	326	259	259
11M	1.00 mi	329+18	260+13	260+13	224	189	189
Finish(13.11 mi)	2.11 mi	258+71	207+53	207+53	107	93	93

189

11M→Finish

11.0 - 13.1 mi

Top 2%

260 ft262 ft

↑ 73ft↓ 70ft

29 ft

Overall

107

Males

M30-34

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