ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Jason Carlson

Derby, KS

Bib: 16045 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Top 36%

Gender (Male)

#0 / 2969

Top 49%

Masters (Masters Men)

#0 / 1204

Top 38%

Division (M40-44)

#0 / 288

Top 45%

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

9:55/mi

30:50

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

9:54/mi

1:01:35

↑ 105 ft↓ 119 ft

290 ft elev

7:56/mi

1:15:45

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

10:19/mi

1:36:23

↑ 45 ft↓ 35 ft

254 ft elev

11M

10:29/mi

1:46:52

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

11:52/mi

2:11:54

↑ 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

1:01:359:55 /mi⚡ faster

2nd Half

1:10:1810:12 /mi+14.2%

Positive split — 14.2% 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	30:50	9:55	3.11 mi	30:50	9:55	-
10K	1:01:35	9:55	3.10 mi	30:45	9:54	-0:01
8M	1:15:45	9:28	1.79 mi	14:10	7:56	-1:58
10M	1:36:23	9:38	2.00 mi	20:38	10:19	+2:23
11M	1:46:52	9:43	1.00 mi	10:29	10:29	+0:10
Finish(13.11 mi)	2:11:54	10:04	2.11 mi	25:02	11:52	+1:23

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:56 /mi

Average Pace

10:04 /mi

Slowest Pace

11:52 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

14:10

11% of race

Time at Steady Pace

1:32:42

70% of race

Time at Slower Pace

25:02

19% of race

Average Pace: 10:04 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	2721	1594	1594	2721	1594	1594
10K	3.10 mi	2620+101	1538+56	1538+56	2559	1522	1522
8M	1.79 mi	2555+65	1511+27	1511+27	2414	1441	1441
10M	2.00 mi	2475+80	1467+44	1467+44	2371	1395	1395
11M	1.00 mi	2445+30	1446+21	1446+21	2271	1324	1324
Finish(13.11 mi)	2.11 mi	2467-22	1443+3	1443+3	2730	1516	1516

1516

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