Joshua Seiff

Arlington, VA

Bib: 17250 M 50

Masters

0:00

0:00

/ mi

Masters

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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

10:26/mi

31:17

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

9:49/mi

32:20

→ flat

76 ft elev

9:33/mi

40:52

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

9:39/mi

50:31

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

9:44/mi

1:00:15

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

10:41/mi

1:02:32

→ flat0.6% grade

58 ft elev

9:39/mi

1:10:07

↓ 30 ft0.6% grade

33 ft elev

9:58/mi

1:20:05

↑ 30 ft0.4% grade

54 ft elev

10:10/mi

1:30:15

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

9:09/mi

1:33:11

↓ 13 ft0.8% grade

66 ft elev

10M

9:36/mi

1:39:42

↓ 36 ft0.9% grade

33 ft elev

11M

10:16/mi

1:49:58

↑ 43 ft0.7% grade

72 ft elev

12M

9:48/mi

1:59:46

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

10:34/mi

2:04:17

↑ 16 ft0.7% grade

54 ft elev

13M

11:05/mi

2:10:38

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

11:05/mi

2:11:51

→ flat0.5% grade

49 ft elev

14M

10:22/mi

2:21:05

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

11:05/mi

2:32:10

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

11:27/mi

2:38:17

↑ 68 ft2.4% grade

169 ft elev

16M

10:03/mi

2:42:58

↓ 45 ft1.7% grade

125 ft elev

17M

10:02/mi

2:53:00

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

10:29/mi

3:03:29

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

10:53/mi

3:10:28

→ flat

41 ft elev

19M

10:46/mi

3:14:20

→ flat0.2% grade

39 ft elev

20M

11:28/mi

3:25:48

↑ 43 ft0.7% grade

72 ft elev

21M

11:14/mi

3:37:02

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

10:46/mi

3:45:05

↑ 20 ft↓ 23 ft

52 ft elev

22M

11:10/mi

3:47:54

→ flat0.2% grade

51 ft elev

23M

10:38/mi

3:58:32

↓ 10 ft0.1% grade

46 ft elev

24M

11:35/mi

4:10:07

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

11:43/mi

4:20:08

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

11:42/mi

4:21:50

↑ 10 ft1.3% grade

111 ft elev

26M

11:18/mi

4:33:08

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

10:54/mi

4:35:31

↓ 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

2:11:5110:03 /mi⚡ faster

2nd Half

2:23:4010:58 /mi+9.0%

Positive split — 9.0% slower in the second half

AI Race Performance Report

Joshua'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.

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Checkpoint Splits

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

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:09 /mi

Average Pace

10:31 /mi

Slowest Pace

11:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:40:55

37% of race

Time at Steady Pace

1:29:43

33% of race

Time at Slower Pace

1:24:53

31% of race

Average Pace: 10:30 /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	40590	24685	2156	38569	23247	2000
5K	0.11 mi	40184+406	24478+207	2133+23	34719	21705	1849
4M	0.89 mi	38386+1798	23685+793	2052+81	32304	20919	1793
5M	1.00 mi	37449+937	23296+389	2015+37	34237	21792	1871
6M	1.00 mi	36839+610	22995+301	1978+37	34031	21693	1841
10K	0.21 mi	37056-217	23107-112	1986-8	43400	25774	2258
7M	0.79 mi	36869+187	23040+67	1977+9	35385	22440	1919
8M	1.00 mi	36467+402	22865+175	1954+23	34403	21935	1852
9M	1.00 mi	36439+28	22863+2	1952+2	36364	22881	1959
15K	0.32 mi	36032+407	22672+191	1930+22	26739	18028	1512
10M	0.68 mi	35495+537	22421+251	1900+30	30184	19699	1645
11M	1.00 mi	35444+51	22366+55	1896+4	35779	22348	1895
12M	1.00 mi	34933+511	22125+241	1877+19	30937	20096	1677
20K	0.43 mi	35069-136	22181-56	1882-5	38925	23639	2015
13M	0.57 mi	35198-129	22211-30	1891-9	38569	23247	2000
Half(13.11 mi)	0.11 mi	35244-46	22234-23	1895-4	39365	23592	2027
14M	0.89 mi	35092+152	22134+100	1884+11	34669	21479	1811
15M	1.00 mi	35018+74	22034+100	1873+11	35752	21757	1844
25K	0.53 mi	35022-4	21988+46	1863+10	36442	21832	1864
16M	0.47 mi	34927+95	21932+56	1854+9	32684	20342	1745
17M	1.00 mi	34422+505	21659+273	1838+16	28780	18386	1517
18M	1.00 mi	34176+246	21487+172	1828+10	31970	19598	1675
30K	0.64 mi	34008+168	21343+144	1815+13	32413	19392	1661
19M	0.36 mi	33971+37	21297+46	1809+6	34263	20136	1727
20M	1.00 mi	33802+169	21117+180	1791+18	33062	19339	1647
21M	1.00 mi	33572+230	20933+184	1773+18	31127	18288	1542
35K	0.75 mi	33299+273	20740+193	1751+22	28090	16876	1427
22M	0.25 mi	33257+42	20703+37	1750+1	31613	18449	1581
23M	1.00 mi	32864+393	20434+269	1719+31	26624	15909	1340
24M	1.00 mi	32758+106	20298+136	1702+17	31700	18086	1508
40K	0.85 mi	32905-147	20297+1	1701+1	37259	20642	1773
25M	0.15 mi	32941-36	20297	1698+3	40278	22386	1932
26M	1.00 mi	33074-133	20317-20	1702-4	37281	20641	1744
Finish(26.22 mi)	0.22 mi	33126-52	20337-20	1700+2	41810	22957	1925

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 63%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

38569

Males

23247

No position changes recorded for this athlete.

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Race managed by

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