Kathryn Tolson

Reading

Bib: 10805 F

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 48%

Masters (Masters Women)

#0 / 9409

Top 45%

Division (F55-59)

#0 / 1120

Top 40%

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

11:50/mi

36:47

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:48/mi

1:13:28

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

11:37/mi

1:49:34

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:16/mi

2:21:27

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:49/mi

2:28:09

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:38/mi

2:51:31

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:23/mi

3:20:41

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:17/mi

3:49:33

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:12/mi

4:18:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:02/mi

4:30:27

↑ 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

2:28:0911:18 /mi+17.4%

2nd Half

2:02:189:20 /mi✓ faster

Negative split — 17.4% faster in the second half

AI Race Performance Report

Kathryn'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	36:47	11:50	3.11 mi	36:47	11:50	-
10K	1:13:28	11:49	3.10 mi	36:41	11:48	-0:02
15K	1:49:34	11:45	3.11 mi	36:06	11:37	-0:11
20K	2:21:27	11:23	3.11 mi	31:53	10:16	-1:21
Half(13.11 mi)	2:28:09	11:18	0.68 mi	6:42	9:49	-0:27
25K	2:51:31	11:02	2.42 mi	23:22	9:38	-0:11
30K	3:20:41	10:46	3.11 mi	29:10	9:23	-0:15
35K	3:49:33	10:33	3.11 mi	28:52	9:17	-0:06
40K	4:18:08	10:23	3.10 mi	28:35	9:12	-0:05
Finish(26.22 mi)	4:30:27	10:19	1.37 mi	12:19	9:02	-0:10

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:02 /mi

Average Pace

10:19 /mi

Slowest Pace

11:50 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

40:54

15% of race

Time at Steady Pace

1:59:59

44% of race

Time at Slower Pace

1:49:34

41% of race

Average Pace: 10:19 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	49068	21051	924	46854	19603	821
10K	3.10 mi	47633+1435	20113+938	869+55	46500	19387	830
15K	3.11 mi	47397+236	19951+162	855+14	46854	19603	821
20K	3.11 mi	45020+2377	18472+1479	771+84	36566	13506	524
Half(13.11 mi)	0.68 mi	44258+762	18020+452	738+33	30878	10624	379
25K	2.42 mi	41996+2262	16709+1311	672+66	29526	9997	362
30K	3.11 mi	38767+3229	14947+1762	592+80	24622	7980	250
35K	3.11 mi	35897+2870	13493+1454	529+63	21229	6832	190
40K	3.10 mi	33151+2746	12244+1249	464+65	16927	5430	125
Finish(26.22 mi)	1.37 mi	32349+802	11892+352	449+15	18539	6395	142

6395

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Kathryn'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