ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Karen Barfield

Weldon Spring, MO

Bib: 19120 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Top 42%

Masters (Masters Women)

#0 / 1487

Top 32%

Division (F55-59)

#0 / 202

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

9:39/mi

29:58

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:07/mi

1:01:23

↑ 105 ft↓ 119 ft

290 ft elev

8:16/mi

1:16:09

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

11:21/mi

1:38:50

↑ 45 ft↓ 35 ft

254 ft elev

11M

13:34/mi

1:52:24

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

14:39/mi

2:23:17

↑ 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

1:01:239:53 /mi⚡ faster

2nd Half

1:21:5411:53 /mi+33.4%

Positive split — 33.4% slower in the second half

AI Race Performance Report

Karen'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	29:58	9:39	3.11 mi	29:58	9:39	-
10K	1:01:23	9:53	3.10 mi	31:25	10:07	+0:28
8M	1:16:09	9:31	1.79 mi	14:46	8:16	-1:51
10M	1:38:50	9:53	2.00 mi	22:41	11:21	+3:05
11M	1:52:24	10:13	1.00 mi	13:34	13:34	+2:13
Finish(13.11 mi)	2:23:17	10:56	2.11 mi	30:53	14:39	+1:05

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:16 /mi

Average Pace

10:56 /mi

Slowest Pace

14:39 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:16:09

53% of race

Time at Steady Pace

22:41

16% of race

Time at Slower Pace

44:27

31% of race

Average Pace: 10:56 /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	Females	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	2338	918	918	2338	918	918
10K	3.10 mi	2576-238	1049-131	1049-131	2850	1210	1210
8M	1.79 mi	2622-46	1081-32	1081-32	2962	1303	1303
10M	2.00 mi	2825-203	1212-131	1212-131	3393	1574	1574
11M	1.00 mi	3088-263	1368-156	1368-156	4692	2422	2422
Finish(13.11 mi)	2.11 mi	3491-403	1621-253	1621-253	4733	2494	2494

2494

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