ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Geoffrey Lifferth

Brentwood, TN

Bib: 14189 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Gender (Male)

#0 / 2969

Masters (Masters Men)

#0 / 1204

Division (M55-59)

#0 / 192

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

11:38/mi

36:10

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

13:13/mi

1:17:15

↑ 105 ft↓ 119 ft

290 ft elev

9:14/mi

1:33:45

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

12:38/mi

1:59:01

↑ 45 ft↓ 35 ft

254 ft elev

11M

14:30/mi

2:13:31

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

13:37/mi

2:42:13

↑ 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

1:17:1512:26 /mi⚡ faster

2nd Half

1:24:5712:19 /mi+10.0%

Positive split — 10.0% slower in the second half

AI Race Performance Report

Geoffrey'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	36:10	11:38	3.11 mi	36:10	11:38	-
10K	1:17:15	12:26	3.10 mi	41:05	13:13	+1:35
8M	1:33:45	11:43	1.79 mi	16:30	9:14	-3:59
10M	1:59:01	11:54	2.00 mi	25:16	12:38	+3:24
11M	2:13:31	12:08	1.00 mi	14:30	14:30	+1:52
Finish(13.11 mi)	2:42:13	12:22	2.11 mi	28:42	13:37	-0:53

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:14 /mi

Average Pace

12:22 /mi

Slowest Pace

14:30 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

52:40

32% of race

Time at Steady Pace

1:35:03

59% of race

Time at Slower Pace

14:30

9% of race

Average Pace: 12:22 /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	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	4997	2432	2432	4997	2432	2432
10K	3.10 mi	5328-331	2538-106	2538-106	5562	2596	2596
8M	1.79 mi	5146+182	2476+62	2476+62	4191	2123	2123
10M	2.00 mi	4981+165	2412+64	2412+64	4513	2216	2216
11M	1.00 mi	5020-39	2425-13	2425-13	5224	2449	2449
Finish(13.11 mi)	2.11 mi	4863+157	2353+72	2353+72	4028	1997	1997

1997

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