ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Nolan Underhill

Greenbrier, TN

Bib: 15913 M

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 32%

Gender (Male)

#0 / 2969

Top 44%

Division (M25-29)

#0 / 438

Top 48%

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

30:49

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

9:33/mi

1:00:28

↑ 105 ft↓ 119 ft

290 ft elev

7:23/mi

1:13:39

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

9:41/mi

1:33:01

↑ 45 ft↓ 35 ft

254 ft elev

11M

11:46/mi

1:44:47

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

11:10/mi

2:08:21

↑ 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

1:00:289:44 /mi⚡ faster

2nd Half

1:07:539:51 /mi+12.3%

Positive split — 12.3% 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	30:49	9:55	3.11 mi	30:49	9:55	-
10K	1:00:28	9:44	3.10 mi	29:39	9:33	-0:22
8M	1:13:39	9:12	1.79 mi	13:11	7:23	-2:10
10M	1:33:01	9:18	2.00 mi	19:22	9:41	+2:18
11M	1:44:47	9:32	1.00 mi	11:46	11:46	+2:05
Finish(13.11 mi)	2:08:21	9:47	2.11 mi	23:34	11:10	-0:36

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:23 /mi

Average Pace

9:47 /mi

Slowest Pace

11:46 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

13:11

10% of race

Time at Steady Pace

1:19:50

62% of race

Time at Slower Pace

35:20

28% of race

Average Pace: 9:47 /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	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	2711	1589	1589	2711	1589	1589
10K	3.10 mi	2362+349	1432+157	1432+157	2117	1305	1305
8M	1.79 mi	2208+154	1352+80	1352+80	1712	1104	1104
10M	2.00 mi	2089+119	1287+65	1287+65	1789	1121	1121
11M	1.00 mi	2207-118	1336-49	1336-49	3399	1790	1790
Finish(13.11 mi)	2.11 mi	2181+26	1309+27	1309+27	2185	1263	1263

1263

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