Sebastiaan Glas

Blaricum, North Holland

Bib: 63821 M 52

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 (M50-54)

#0 / 2905

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

10:41/mi

32:04

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

10:18/mi

33:10

→ flat

76 ft elev

10:32/mi

42:34

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

10:18/mi

52:52

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

10:24/mi

1:03:16

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

10:04/mi

1:05:25

→ flat0.6% grade

58 ft elev

10:21/mi

1:13:33

↓ 30 ft0.6% grade

33 ft elev

11:31/mi

1:25:04

↑ 30 ft0.4% grade

54 ft elev

10:39/mi

1:35:43

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

10:24/mi

1:39:03

↓ 13 ft0.8% grade

66 ft elev

10M

11:00/mi

1:46:31

↓ 36 ft0.9% grade

33 ft elev

11M

10:52/mi

1:57:23

↑ 43 ft0.7% grade

72 ft elev

12M

11:26/mi

2:08:49

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

10:48/mi

2:13:26

↑ 16 ft0.7% grade

54 ft elev

13M

11:35/mi

2:20:04

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

11:35/mi

2:21:20

→ flat0.5% grade

49 ft elev

14M

11:26/mi

2:31:31

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

12:17/mi

2:43:48

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

13:04/mi

2:50:47

↑ 68 ft2.4% grade

169 ft elev

16M

11:20/mi

2:56:04

↓ 45 ft1.7% grade

125 ft elev

17M

14:28/mi

3:10:32

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

11:40/mi

3:22:12

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

12:58/mi

3:30:31

→ flat

41 ft elev

19M

12:12/mi

3:34:54

→ flat0.2% grade

39 ft elev

20M

13:06/mi

3:48:00

↑ 43 ft0.7% grade

72 ft elev

21M

13:11/mi

4:01:11

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

12:37/mi

4:10:37

↑ 20 ft↓ 23 ft

52 ft elev

22M

12:13/mi

4:13:42

→ flat0.2% grade

51 ft elev

23M

12:47/mi

4:26:29

↓ 10 ft0.1% grade

46 ft elev

24M

12:57/mi

4:39:26

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

13:01/mi

4:50:34

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

14:40/mi

4:52:42

↑ 10 ft1.3% grade

111 ft elev

26M

12:28/mi

5:05:10

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

12:34/mi

5:07:55

↓ 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

2:21:2010:47 /mi⚡ faster

2nd Half

2:46:3512:42 /mi+17.9%

Positive split — 17.9% slower in the second half

AI Race Performance Report

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

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:04 /mi

Average Pace

11:45 /mi

Slowest Pace

14:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:43:01

33% of race

Time at Steady Pace

1:05:27

21% of race

Time at Slower Pace

2:19:27

45% of race

Average Pace: 11:45 /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
3M	3.00 mi	43396	25853	2274	42358	24867	2170
5K	0.11 mi	43091+305	25690+163	2259+15	40323	24128	2110
4M	0.89 mi	43122-31	25714-24	2265-6	43500	25814	2273
5M	1.00 mi	42823+299	25582+132	2243+22	41650	24990	2176
6M	1.00 mi	42498+325	25443+139	2217+26	41323	24875	2152
10K	0.21 mi	42262+236	25348+95	2212+5	37265	23160	1988
7M	0.79 mi	42361-99	25386-38	2219-7	43657	25920	2266
8M	1.00 mi	43260-899	25757-371	2249-30	48389	27763	2461
9M	1.00 mi	43045+215	25699+58	2246+3	41651	25146	2206
15K	0.32 mi	42900+145	25638+61	2236+10	40974	24636	2158
10M	0.68 mi	42848+52	25603+35	2236	43495	25562	2238
11M	1.00 mi	42719+129	25543+60	2228+8	42006	25046	2191
12M	1.00 mi	42982-263	25635-92	2242-14	45543	26499	2343
20K	0.43 mi	42906+76	25590+45	2243-1	41451	24737	2139
13M	0.57 mi	42812+94	25541+49	2234+9	42358	24867	2170
Half(13.11 mi)	0.11 mi	42838-26	25547-6	2233+1	42981	25137	2191
14M	0.89 mi	42866-28	25517+30	2234-1	43814	25394	2235
15M	1.00 mi	42991-125	25511+6	2230+4	44009	25342	2233
25K	0.53 mi	43190-199	25570-59	2236-6	45967	25959	2281
16M	0.47 mi	43211-21	25562+8	2243-7	44962	25545	2294
17M	1.00 mi	44452-1241	26006-444	2299-56	55039	29653	2672
18M	1.00 mi	44255+197	25889+117	2280+19	41589	23854	2118
30K	0.64 mi	44319-64	25869+20	2287-7	45468	25163	2240
19M	0.36 mi	44293+26	25820+49	2282+5	44429	24635	2151
20M	1.00 mi	44285+8	25739+81	2270+12	43439	24189	2114
21M	1.00 mi	44352-67	25688+51	2264+6	44733	24634	2177
35K	0.75 mi	44289+63	25615+73	2256+8	42692	23593	2087
22M	0.25 mi	44239+50	25578+37	2253+3	40312	22379	1943
23M	1.00 mi	44233+6	25519+59	2247+6	43743	23974	2089
24M	1.00 mi	44152+81	25431+88	2237+10	42320	23224	1993
40K	0.85 mi	44298-146	25463-32	2238-1	46308	25077	2215
25M	0.15 mi	44397-99	25508-45	2242-4	53607	28644	2555
26M	1.00 mi	44480-83	25497+11	2233+9	46102	24979	2168
Finish(26.22 mi)	0.22 mi	44532-52	25518-21	2233	52444	27976	2450

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 69%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

42358

Males

24867

No position changes recorded for this athlete.

More below

See the rest of Sebastiaan'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