David Nelwan

Alkmaar, North Holland

Bib: 65783 M 49

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 61036

Gender (Male)

#0 / 31978

Masters (Masters Men)

#0 / 14572

Division (M45-49)

#0 / 3266

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 259 ft

Mile 2 · 64 ft

Start

0:00

Race begins

118 ft elev

12:56/mi

38:47

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

14:30/mi

40:20

→ flat

76 ft elev

15:24/mi

54:05

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

14:53/mi

1:08:58

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

16:28/mi

1:25:26

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

18:24/mi

1:29:22

→ flat0.6% grade

58 ft elev

15:29/mi

1:41:32

↓ 30 ft0.6% grade

33 ft elev

17:05/mi

1:58:37

↑ 30 ft0.4% grade

54 ft elev

15:42/mi

2:14:19

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

17:28/mi

2:19:55

↓ 13 ft0.8% grade

66 ft elev

10M

17:52/mi

2:32:03

↓ 36 ft0.9% grade

33 ft elev

11M

16:31/mi

2:48:34

↑ 43 ft0.7% grade

72 ft elev

12M

10:44/mi

2:59:18

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

13:01/mi

3:04:52

↑ 16 ft0.7% grade

54 ft elev

13M

14:41/mi

3:13:16

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

14:41/mi

3:14:53

→ flat0.5% grade

49 ft elev

14M

15:02/mi

3:28:16

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

15:18/mi

3:43:34

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

11:01/mi

3:49:27

↑ 68 ft2.4% grade

169 ft elev

16M

11:31/mi

3:54:49

↓ 45 ft1.7% grade

125 ft elev

17M

17:26/mi

4:12:15

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

17:33/mi

4:29:48

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

22:34/mi

4:44:16

→ flat

41 ft elev

19M

20:56/mi

4:51:47

→ flat0.2% grade

39 ft elev

20M

21:42/mi

5:13:29

↑ 43 ft0.7% grade

72 ft elev

21M

15:17/mi

5:28:46

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

60:45/mi

6:14:13

↑ 20 ft↓ 23 ft

52 ft elev

22M

11:42/mi

6:17:10

→ flat0.2% grade

51 ft elev

23M

18:12/mi

6:35:22

↓ 10 ft0.1% grade

46 ft elev

24M

14:00/mi

6:49:22

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

16:03/mi

7:03:05

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

20:31/mi

7:06:04

↑ 10 ft1.3% grade

111 ft elev

26M

23:49/mi

7:29:53

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

12:12/mi

7:32:33

↓ 10 ft0.9% grade

102 ft elev

Course Elevation

926ft

Total climb

232ft

Range

30 to 262 ft

943ft

Total descent

About the height of two Statues of Liberty

The Course

Half Splits

1st Half· via Half

3:14:5314:52 /mi⚡ faster

2nd Half

4:17:4019:39 /mi+32.2%

Positive split — 32.2% slower in the second half

AI Race Performance Report

David's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	38:47	12:56	3.00 mi	38:47	12:56	-
5K	40:20	12:59	0.11 mi	1:33	14:30	+1:34
4M	54:05	13:31	0.89 mi	13:45	15:24	+0:54
5M	1:08:58	13:48	1.00 mi	14:53	14:53	-0:31
6M	1:25:26	14:14	1.00 mi	16:28	16:28	+1:35
10K	1:29:22	14:23	0.21 mi	3:56	18:24	+1:56
7M	1:41:32	14:30	0.79 mi	12:10	15:29	-2:55
8M	1:58:37	14:50	1.00 mi	17:05	17:05	+1:36
9M	2:14:19	14:55	1.00 mi	15:42	15:42	-1:23
15K	2:19:55	15:01	0.32 mi	5:36	17:28	+1:46
10M	2:32:03	15:12	0.68 mi	12:08	17:52	+0:24
11M	2:48:34	15:19	1.00 mi	16:31	16:31	-1:21
12M	2:59:18	14:57	1.00 mi	10:44	10:44	-5:47
20K	3:04:52	14:53	0.43 mi	5:34	13:01	+2:17
13M	3:13:16	14:52	0.57 mi	8:24	14:41	+1:40
Half(13.11 mi)	3:14:53	14:52	0.11 mi	1:37	14:41	0:00
14M	3:28:16	14:53	0.89 mi	13:23	15:02	+0:21
15M	3:43:34	14:54	1.00 mi	15:18	15:18	+0:16
25K	3:49:27	14:46	0.53 mi	5:53	11:01	-4:17
16M	3:54:49	14:41	0.47 mi	5:22	11:31	+0:30
17M	4:12:15	14:50	1.00 mi	17:26	17:26	+5:55
18M	4:29:48	14:59	1.00 mi	17:33	17:33	+0:07
30K	4:44:16	15:15	0.64 mi	14:28	22:34	+5:01
19M	4:51:47	15:21	0.36 mi	7:31	20:56	-1:38
20M	5:13:29	15:40	1.00 mi	21:42	21:42	+0:46
21M	5:28:46	15:39	1.00 mi	15:17	15:17	-6:25
35K	6:14:13	17:12	0.75 mi	45:27	60:45	+45:28
22M	6:17:10	17:09	0.25 mi	2:57	11:42	-49:03
23M	6:35:22	17:11	1.00 mi	18:12	18:12	+6:30
24M	6:49:22	17:03	1.00 mi	14:00	14:00	-4:12
40K	7:03:05	17:01	0.85 mi	13:43	16:03	+2:03
25M	7:06:04	17:03	0.15 mi	2:59	20:31	+4:28
26M	7:29:53	17:18	1.00 mi	23:49	23:49	+3:18
Finish(26.22 mi)	7:32:33	17:16	0.22 mi	2:40	12:12	-11:37

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:44 /mi

Average Pace

17:16 /mi

Slowest Pace

60:45 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

21:59

5% of race

Time at Steady Pace

5:14:38

70% of race

Time at Slower Pace

1:55:56

26% of race

Average Pace: 17:16 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
3M	3.00 mi	57101	30749	3142	55410	29947	3053
5K	0.11 mi	57019+82	30702+47	3141+1	57704	30466	3109
4M	0.89 mi	58362-1343	31136-434	3186-45	60319	31729	3247
5M	1.00 mi	58867-505	31297-161	3202-16	59849	31577	3231
6M	1.00 mi	59343-476	31453-156	3221-19	60125	31666	3238
10K	0.21 mi	59465-122	31483-30	3225-4	60582	31804	3247
7M	0.79 mi	59607-142	31524-41	3226-1	60233	31701	3241
8M	1.00 mi	59762-155	31571-47	3234-8	60090	31707	3242
9M	1.00 mi	59777-15	31589-18	3234	59816	31619	3236
15K	0.32 mi	59835-58	31605-16	3235-1	59911	31589	3237
10M	0.68 mi	59893-58	31623-18	3233+2	60044	31654	3228
11M	1.00 mi	59883+10	31621+2	3232+1	59468	31463	3217
12M	1.00 mi	59488+395	31497+124	3227+5	40282	24348	2464
20K	0.43 mi	59401+87	31473+24	3227	53375	29311	2981
13M	0.57 mi	59306+95	31428+45	3219+8	55410	29947	3053
Half(13.11 mi)	0.11 mi	59287+19	31423+5	3218+1	55471	29977	3052
14M	0.89 mi	59191+96	31402+21	3215+3	56906	30446	3103
15M	1.00 mi	59038+153	31362+40	3211+4	55468	29981	3053
25K	0.53 mi	58733+305	31265+97	3198+13	32966	20302	2042
16M	0.47 mi	58572+161	31208+57	3194+4	46359	26091	2661
17M	1.00 mi	58677-105	31235-27	3195-1	59347	31341	3204
18M	1.00 mi	58779-102	31262-27	3197-2	59344	31308	3210
30K	0.64 mi	59034-255	31335-73	3203-6	60555	31779	3253
19M	0.36 mi	59132-98	31360-25	3207-4	60422	31725	3243
20M	1.00 mi	59310-178	31412-52	3212-5	60513	31741	3248
21M	1.00 mi	59222+88	31385+27	3211+1	53711	28700	2945
35K	0.75 mi	60286-1064	31710-325	3246-35	61036	31978	3266
22M	0.25 mi	60243+43	31697+13	3244+2	36475	20591	2102
23M	1.00 mi	60222+21	31685+12	3243+1	59367	31249	3205
24M	1.00 mi	60080+142	31642+43	3242+1	48358	26139	2655
40K	0.85 mi	60030+50	31624+18	3241+1	56610	30019	3083
25M	0.15 mi	60037-7	31627-3	3241	60319	31674	3244
26M	1.00 mi	60156-119	31663-36	3242-1	60860	31888	3262
Finish(26.22 mi)	0.22 mi	60131+25	31653+10	3241+1	51006	27277	2721

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 91%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

55410

Males

29947

No position changes recorded for this athlete.

More below

See the rest of David's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

New York Road Runners