Sarah Nelson

Chicago, IL

Bib: 10008 F 27

0:00

0:00

/ mi

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Overall

#0 / 61036

Top 5%

Gender (Female)

#0 / 28901

Top 1%

Division (W25-29)

#0 / 7332

Top 2%

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

6:44/mi

20:13

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

6:33/mi

20:55

→ flat

76 ft elev

6:45/mi

26:57

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

6:39/mi

33:36

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

6:46/mi

40:22

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

6:33/mi

41:46

→ flat0.6% grade

58 ft elev

6:42/mi

47:02

↓ 30 ft0.6% grade

33 ft elev

6:53/mi

53:55

↑ 30 ft0.4% grade

54 ft elev

6:59/mi

1:00:54

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

6:39/mi

1:03:02

↓ 13 ft0.8% grade

66 ft elev

10M

6:52/mi

1:07:42

↓ 36 ft0.9% grade

33 ft elev

11M

7:17/mi

1:14:59

↑ 43 ft0.7% grade

72 ft elev

12M

6:54/mi

1:21:53

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

7:20/mi

1:25:01

↑ 16 ft0.7% grade

54 ft elev

13M

7:10/mi

1:29:07

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

8:11/mi

1:30:01

→ flat0.5% grade

49 ft elev

14M

6:51/mi

1:36:07

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

7:42/mi

1:43:49

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

7:50/mi

1:48:00

↑ 68 ft2.4% grade

169 ft elev

16M

6:28/mi

1:51:01

↓ 45 ft1.7% grade

125 ft elev

17M

7:14/mi

1:58:15

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

7:27/mi

2:05:42

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

7:21/mi

2:10:25

→ flat

41 ft elev

19M

7:28/mi

2:13:06

→ flat0.2% grade

39 ft elev

20M

7:45/mi

2:20:51

↑ 43 ft0.7% grade

72 ft elev

21M

7:55/mi

2:28:46

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

7:44/mi

2:34:33

↑ 20 ft↓ 23 ft

52 ft elev

22M

8:08/mi

2:36:36

→ flat0.2% grade

51 ft elev

23M

7:52/mi

2:44:28

↓ 10 ft0.1% grade

46 ft elev

24M

8:38/mi

2:53:06

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

8:21/mi

3:00:14

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

8:36/mi

3:01:29

↑ 10 ft1.3% grade

111 ft elev

26M

8:23/mi

3:09:52

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

7:33/mi

3:11:31

↓ 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

1:30:016:52 /mi⚡ faster

2nd Half

1:41:307:45 /mi+12.8%

Positive split — 12.8% slower in the second half

AI Race Performance Report

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

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:28 /mi

Average Pace

7:19 /mi

Slowest Pace

8:38 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:23:43

44% of race

Time at Steady Pace

38:15

20% of race

Time at Slower Pace

1:09:33

36% of race

Average Pace: 7:18 /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	Females	W25-29	Seg. Overall	Seg. Females	Seg. W25-29
3M	3.00 mi	1864	175	63	3351	408	124
5K	0.11 mi	1844+20	174+1	60+3	1810	155	53
4M	0.89 mi	1889-45	179-5	61-1	2257	226	70
5M	1.00 mi	1900-11	181-2	59+2	2153	216	73
6M	1.00 mi	1947-47	187-6	60-1	2410	252	79
10K	0.21 mi	1907+40	183+4	59+1	1161	101	40
7M	0.79 mi	1943-36	190-7	60-1	2471	253	85
8M	1.00 mi	1990-47	197-7	62-2	2611	270	93
9M	1.00 mi	2070-80	205-8	63-1	2869	301	100
15K	0.32 mi	2065+5	202+3	63	2132	216	74
10M	0.68 mi	2120-55	206-4	63	2973	315	102
11M	1.00 mi	2346-226	233-27	74-11	3672	451	136
12M	1.00 mi	2412-66	239-6	80-6	2821	295	103
20K	0.43 mi	2484-72	251-12	84-4	3931	493	151
13M	0.57 mi	2508-24	256-5	85-1	3351	408	124
Half(13.11 mi)	0.11 mi	2533-25	260-4	85	9633	2276	654
14M	0.89 mi	2507+26	258+2	85	2381	246	84
15M	1.00 mi	2643-136	272-14	88-3	4417	644	187
25K	0.53 mi	2670-27	276-4	91-3	3889	551	163
16M	0.47 mi	2622+48	268+8	88+3	1399	130	44
17M	1.00 mi	2638-16	272-4	91-3	3312	435	134
18M	1.00 mi	2698-60	285-13	95-4	4342	699	197
30K	0.64 mi	2699-1	291-6	96-1	3427	508	149
19M	0.36 mi	2710-11	291	96	4229	706	193
20M	1.00 mi	2744-34	302-11	99-3	4194	732	196
21M	1.00 mi	2789-45	316-14	101-2	4766	926	247
35K	0.75 mi	2796-7	323-7	103-2	4120	763	209
22M	0.25 mi	2802-6	329-6	106-3	5108	1060	291
23M	1.00 mi	2810-8	341-12	110-4	4515	913	247
24M	1.00 mi	2887-77	362-21	112-2	7067	1799	516
40K	0.85 mi	2945-58	382-20	115-3	7036	1907	560
25M	0.15 mi	2963-18	385-3	117-2	9839	2960	897
26M	1.00 mi	3060-97	410-25	122-5	8537	2504	755
Finish(26.22 mi)	0.22 mi	3063-3	413-3	123-1	5886	1461	486

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 5%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

3351

Females

408

8.0 - 9.0 mi

Top 5%

52 ft80 ft

↑ 61ft↓ 33ft

56 ft

Overall

2869

Females

301

W25-29

100

13.1 - 14.0 mi

Top 4%

52 ft36 ft

↑ 23ft↓ 39ft

39 ft

Overall

2381

Females

246

W25-29

14M→15M

14.0 - 15.0 mi

Top 7%

36 ft92 ft

↑ 62ft↓ 7ft

56 ft

Overall

4417

Females

644

W25-29

187

15M→25K

15.0 - 15.5 mi

Top 6%

100 ft167 ft

↑ 68ft↓ 0ft

68 ft

Overall

3889

Females

551

W25-29

163

No position changes recorded for this athlete.

More below

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