Zachary Poscover

Chicago, IL

Bib: 29920 M 25

0:00

0:00

/ mi

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Overall

#0 / 61036

Top 14%

Gender (Male)

#0 / 31978

Top 21%

Division (M25-29)

#0 / 5339

Top 25%

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

7:51/mi

23:33

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

7:20/mi

24:20

→ flat

76 ft elev

7:41/mi

31:12

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

7:28/mi

38:40

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

7:23/mi

46:03

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

8:07/mi

47:47

→ flat0.6% grade

58 ft elev

7:28/mi

53:39

↓ 30 ft0.6% grade

33 ft elev

7:27/mi

1:01:06

↑ 30 ft0.4% grade

54 ft elev

7:22/mi

1:08:28

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

7:17/mi

1:10:48

↓ 13 ft0.8% grade

66 ft elev

10M

7:29/mi

1:15:53

↓ 36 ft0.9% grade

33 ft elev

11M

8:06/mi

1:23:59

↑ 43 ft0.7% grade

72 ft elev

12M

7:40/mi

1:31:39

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

8:18/mi

1:35:12

↑ 16 ft0.7% grade

54 ft elev

13M

7:56/mi

1:39:45

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

7:56/mi

1:40:37

→ flat0.5% grade

49 ft elev

14M

8:10/mi

1:47:53

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

8:13/mi

1:56:06

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

8:53/mi

2:00:51

↑ 68 ft2.4% grade

169 ft elev

16M

7:56/mi

2:04:33

↓ 45 ft1.7% grade

125 ft elev

17M

8:30/mi

2:13:03

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

7:54/mi

2:20:57

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

8:36/mi

2:26:28

→ flat

41 ft elev

19M

8:30/mi

2:29:31

→ flat0.2% grade

39 ft elev

20M

8:44/mi

2:38:15

↑ 43 ft0.7% grade

72 ft elev

21M

9:18/mi

2:47:33

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

9:49/mi

2:54:54

↑ 20 ft↓ 23 ft

52 ft elev

22M

8:55/mi

2:57:09

→ flat0.2% grade

51 ft elev

23M

8:55/mi

3:06:04

↓ 10 ft0.1% grade

46 ft elev

24M

9:42/mi

3:15:46

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

9:04/mi

3:23:31

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

9:10/mi

3:24:51

↑ 10 ft1.3% grade

111 ft elev

26M

8:38/mi

3:33:29

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

8:09/mi

3:35:16

↓ 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

1:40:377:40 /mi⚡ faster

2nd Half

1:54:398:45 /mi+13.9%

Positive split — 13.9% slower in the second half

AI Race Performance Report

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

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:17 /mi

Average Pace

8:13 /mi

Slowest Pace

9:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

58:16

27% of race

Time at Steady Pace

1:11:13

33% of race

Time at Slower Pace

1:25:47

40% of race

Average Pace: 8:13 /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	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
3M	3.00 mi	8363	6658	1263	7170	5834	1123
5K	0.11 mi	8204+159	6555+103	1238+25	4878	4137	802
4M	0.89 mi	8066+138	6462+93	1217+21	7735	6264	1177
5M	1.00 mi	7749+317	6251+211	1192+25	6564	5428	1048
6M	1.00 mi	7352+397	5983+268	1141+51	5552	4700	922
10K	0.21 mi	7433-81	6038-55	1156-15	10878	8509	1634
7M	0.79 mi	7375+58	6002+36	1154+2	7021	5812	1133
8M	1.00 mi	7094+281	5807+195	1117+37	5389	4573	923
9M	1.00 mi	6736+358	5576+231	1071+46	4459	3838	791
15K	0.32 mi	6668+68	5534+42	1062+9	5068	4321	858
10M	0.68 mi	6631+37	5505+29	1055+7	6173	5158	1004
11M	1.00 mi	6850-219	5659-154	1094-39	9821	7788	1552
12M	1.00 mi	6826+24	5645+14	1088+6	6769	5565	1085
20K	0.43 mi	6956-130	5734-89	1104-16	11781	9129	1791
13M	0.57 mi	6957-1	5732+2	1102+2	7170	5834	1123
Half(13.11 mi)	0.11 mi	6935+22	5714+18	1099+3	7995	6138	1255
14M	0.89 mi	7093-158	5818-104	1121-22	10622	8273	1625
15M	1.00 mi	7101-8	5820-2	1115+6	7928	6338	1270
25K	0.53 mi	7203-102	5892-72	1131-16	11649	8823	1755
16M	0.47 mi	7238-35	5913-21	1138-7	9268	7241	1384
17M	1.00 mi	7486-248	6072-159	1165-27	12540	9387	1840
18M	1.00 mi	7441+45	6030+42	1159+6	7307	5812	1150
30K	0.64 mi	7537-96	6089-59	1170-11	12022	8860	1720
19M	0.36 mi	7616-79	6136-47	1182-12	11879	8758	1712
20M	1.00 mi	7759-143	6218-82	1198-16	10660	7869	1527
21M	1.00 mi	8149-390	6498-280	1255-57	15017	10342	1981
35K	0.75 mi	8549-400	6748-250	1309-54	20103	12989	2470
22M	0.25 mi	8548+1	6744+4	1310-1	10313	7507	1458
23M	1.00 mi	8642-94	6786-42	1315-5	11438	8036	1555
24M	1.00 mi	8803-161	6865-79	1329-14	15153	10004	1946
40K	0.85 mi	8840-37	6865	1333-4	12544	8410	1664
25M	0.15 mi	8843-3	6862+3	1334-1	14462	9564	1914
26M	1.00 mi	8820+23	6820+42	1329+5	10473	7161	1457
Finish(26.22 mi)	0.22 mi	8808+12	6806+14	1327+2	10594	7308	1562

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 12%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

7170

Males

5834

No position changes recorded for this athlete.

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