John David Whittenburg

Plano, TX

Bib: 463 M 50

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 3420

Top 33%

Gender (Male)

#0 / 2358

Top 37%

Masters (Masters Men)

#0 / 785

Top 31%

Division (M50-54)

#0 / 140

Top 30%

Race Day Weather

57°/47°F

mist

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

472 ft elev

5K· 3.11 mi

8:10/mi

25:23

↑ 141 ft↓ 118 ft0.1% grade

491 ft elev

10K· 6.21 mi

9:05/mi

53:36

↑ 135 ft↓ 59 ft0.5% grade

565 ft elev

15K· 9.32 mi

8:42/mi

1:20:38

↑ 119 ft↓ 113 ft

573 ft elev

20K· 12.43 mi

9:09/mi

1:49:03

↑ 98 ft↓ 187 ft0.5% grade

481 ft elev

13.1M

9:42/mi

1:55:34

↓ 13 ft0.1% grade

475 ft elev

25K· 15.53 mi

10:07/mi

2:20:11

↑ 52 ft↓ 68 ft0.1% grade

459 ft elev

31K· 19.26 mi

9:16/mi

2:54:45

↑ 153 ft↓ 78 ft0.4% grade

541 ft elev

36K· 22.37 mi

11:47/mi

3:31:20

↑ 64 ft↓ 154 ft0.5% grade

457 ft elev

Finish· 26.22 mi

10:44/mi

4:12:40

↑ 79 ft↓ 112 ft0.2% grade

427 ft elev

Course Elevation

367–604 ft

≈

×20story building

•▲ 872 ft climb · ▼ 918 ft descent

The Course

Half Splits

1st Half· via 13.1M

1:55:348:49 /mi⚡ faster

2nd Half

2:17:0610:27 /mi+18.6%

Positive split — 18.6% slower in the second half

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:23	8:10	3.11 mi	25:23	8:10	-
10K	53:36	8:38	3.10 mi	28:13	9:05	+0:55
15K	1:20:38	8:39	3.11 mi	27:02	8:42	-0:23
20K	1:49:03	8:46	3.11 mi	28:25	9:09	+0:27
13.1M	1:55:34	8:49	0.67 mi	6:31	9:42	+0:33
25K	2:20:11	9:01	2.43 mi	24:37	10:07	+0:25
31K	2:54:45	9:04	3.73 mi	34:34	9:16	-0:51
36K	3:31:20	9:27	3.11 mi	36:35	11:47	+2:31
Finish(26.22 mi)	4:12:40	9:39	3.85 mi	41:20	10:44	-1:03

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:10 /mi

Average Pace

9:39 /mi

Slowest Pace

11:47 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

52:25

21% of race

Time at Steady Pace

1:37:43

39% of race

Time at Slower Pace

1:42:32

41% of race

Average Pace: 9:38 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	548	468	20	1008	837	40
10K	3.10 mi	860-312	718-250	31-11	1248	1013	43
15K	3.11 mi	891-31	748-30	33-2	1008	837	40
20K	3.11 mi	965-74	807-59	36-3	1259	1026	46
13.1M	0.67 mi	986-21	822-15	36	1447	1146	47
25K	2.43 mi	1059-73	871-49	39-3	1412	1110	47
31K	3.73 mi	1144-85	922-51	42-3	1325	1017	43
36K	3.11 mi	1141+3	910+12	41+1	1232	915	40
Finish(26.22 mi)	3.85 mi	1132+9	885+25	42-1	1241	889	42

M50-54

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#548
5K → 10K	3120-312	#548 → #860
10K → 15K	4211-31	#860 → #891
15K → 20K	839-74	#891 → #965
20K → 13.1M	243-21	#965 → #986
13.1M → 25K	8512-73	#986 → #1059
25K → 31K	11530-85	#1059 → #1144
31K → 36K	4649+3	#1144 → #1141
36K → Finish	4049+9	#1141 → #1132
TOTALS	747163-584	#548 → #1132

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 15 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Dallas White Rock Marathon

Race timed by

MyChipTime

John David Whittenburg

Race Timeline

The Course

Half Splits

Your race, unpacked

Checkpoint Splits

Checkpoints & Pacing

Pace Line

Segments

Heatmap

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→13.1M

13.1M→25K

25K→31K

31K→36K

36K→Finish