Sarah Nielsen

Chicago

Bib: 25660 F

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F25-29)

#0 / 5362

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

11:55/mi

37:00

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:55/mi

1:14:02

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

11:19/mi

1:49:13

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:28/mi

2:24:50

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:49/mi

2:32:54

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:40/mi

3:01:12

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:05/mi

3:38:45

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

13:21/mi

4:20:15

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

13:03/mi

5:00:49

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:02/mi

5:17:14

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

2:32:5411:40 /mi⚡ faster

2nd Half

2:44:2012:32 /mi+7.5%

Positive split — 7.5% 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.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	37:00	11:55	3.11 mi	37:00	11:55	-
10K	1:14:02	11:55	3.10 mi	37:02	11:55	0:00
15K	1:49:13	11:43	3.11 mi	35:11	11:19	-0:36
20K	2:24:50	11:39	3.11 mi	35:37	11:28	+0:09
Half(13.11 mi)	2:32:54	11:40	0.68 mi	8:04	11:49	+0:21
25K	3:01:12	11:40	2.42 mi	28:18	11:40	-0:09
30K	3:38:45	11:44	3.11 mi	37:33	12:05	+0:25
35K	4:20:15	11:58	3.11 mi	41:30	13:21	+1:16
40K	5:00:49	12:06	3.10 mi	40:34	13:03	-0:18
Finish(26.22 mi)	5:17:14	12:06	1.37 mi	16:25	12:02	-1:01

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:19 /mi

Average Pace

12:06 /mi

Slowest Pace

13:21 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:55:10

74% of race

Time at Steady Pace

1:22:04

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:06 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	49336	21227	4754	45570	18789	4280
10K	3.10 mi	48064+1272	20403+824	4590+164	46952	19670	4438
15K	3.11 mi	47225+839	19842+561	4484+106	45570	18789	4280
20K	3.11 mi	46351+874	19320+522	4376+108	44155	18046	4135
Half(13.11 mi)	0.68 mi	46163+188	19212+108	4358+18	43283	17727	4085
25K	2.42 mi	45420+743	18802+410	4280+78	42185	17171	3956
30K	3.11 mi	44507+913	18350+452	4185+95	40779	16694	3851
35K	3.11 mi	44396+111	18402-52	4209-24	43615	18732	4323
40K	3.10 mi	43805+591	18217+185	4174+35	39479	16903	3897
Finish(26.22 mi)	1.37 mi	43640+165	18165+52	4177-3	40603	17590	4183

17590

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Sarah'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

Chicago Event Management

Race timed by

Mika Timing