Katherine Shirriff

Quinte West, Ontario

Bib: 4228 F 37

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 61036

Top 4%

Gender (Female)

#0 / 28901

Top 1%

Division (W35-39)

#0 / 3366

Top 1%

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

7:06/mi

21:19

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

7:20/mi

22:06

→ flat

76 ft elev

7:00/mi

28:21

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

6:48/mi

35:09

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

7:03/mi

42:12

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

7:01/mi

43:42

→ flat0.6% grade

58 ft elev

6:51/mi

49:05

↓ 30 ft0.6% grade

33 ft elev

7:06/mi

56:11

↑ 30 ft0.4% grade

54 ft elev

7:10/mi

1:03:21

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

6:55/mi

1:05:34

↓ 13 ft0.8% grade

66 ft elev

10M

7:04/mi

1:10:22

↓ 36 ft0.9% grade

33 ft elev

11M

7:14/mi

1:17:36

↑ 43 ft0.7% grade

72 ft elev

12M

7:02/mi

1:24:38

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

7:20/mi

1:27:46

↑ 16 ft0.7% grade

54 ft elev

13M

7:05/mi

1:31:49

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

8:20/mi

1:32:44

→ flat0.5% grade

49 ft elev

14M

7:07/mi

1:39:04

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

7:27/mi

1:46:31

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

7:48/mi

1:50:41

↑ 68 ft2.4% grade

169 ft elev

16M

6:56/mi

1:53:55

↓ 45 ft1.7% grade

125 ft elev

17M

7:04/mi

2:00:59

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

7:03/mi

2:08:02

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

7:15/mi

2:12:41

→ flat

41 ft elev

19M

7:20/mi

2:15:19

→ flat0.2% grade

39 ft elev

20M

7:18/mi

2:22:37

↑ 43 ft0.7% grade

72 ft elev

21M

7:19/mi

2:29:56

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

7:14/mi

2:35:21

↑ 20 ft↓ 23 ft

52 ft elev

22M

7:20/mi

2:37:12

→ flat0.2% grade

51 ft elev

23M

7:07/mi

2:44:19

↓ 10 ft0.1% grade

46 ft elev

24M

7:17/mi

2:51:36

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

6:56/mi

2:57:32

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

7:06/mi

2:58:34

↑ 10 ft1.3% grade

111 ft elev

26M

6:52/mi

3:05:26

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

6:24/mi

3:06:50

↓ 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

1:32:447:04 /mi⚡ faster

2nd Half

1:34:067:11 /mi+1.5%

Positive split — 1.5% slower in the second half

AI Race Performance Report

Katherine'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
3M	21:19	7:06	3.00 mi	21:19	7:06	-
5K	22:06	7:07	0.11 mi	0:47	7:20	+0:14
4M	28:21	7:05	0.89 mi	6:15	7:00	-0:20
5M	35:09	7:02	1.00 mi	6:48	6:48	-0:12
6M	42:12	7:02	1.00 mi	7:03	7:03	+0:15
10K	43:42	7:02	0.21 mi	1:30	7:01	-0:02
7M	49:05	7:01	0.79 mi	5:23	6:51	-0:10
8M	56:11	7:01	1.00 mi	7:06	7:06	+0:15
9M	1:03:21	7:02	1.00 mi	7:10	7:10	+0:04
15K	1:05:34	7:02	0.32 mi	2:13	6:55	-0:15
10M	1:10:22	7:02	0.68 mi	4:48	7:04	+0:09
11M	1:17:36	7:03	1.00 mi	7:14	7:14	+0:10
12M	1:24:38	7:03	1.00 mi	7:02	7:02	-0:12
20K	1:27:46	7:04	0.43 mi	3:08	7:20	+0:18
13M	1:31:49	7:04	0.57 mi	4:03	7:05	-0:15
Half(13.11 mi)	1:32:44	7:04	0.11 mi	0:55	8:20	+1:15
14M	1:39:04	7:05	0.89 mi	6:20	7:07	-1:13
15M	1:46:31	7:06	1.00 mi	7:27	7:27	+0:20
25K	1:50:41	7:08	0.53 mi	4:10	7:48	+0:21
16M	1:53:55	7:07	0.47 mi	3:14	6:56	-0:52
17M	2:00:59	7:07	1.00 mi	7:04	7:04	+0:08
18M	2:08:02	7:07	1.00 mi	7:03	7:03	-0:01
30K	2:12:41	7:07	0.64 mi	4:39	7:15	+0:12
19M	2:15:19	7:07	0.36 mi	2:38	7:20	+0:05
20M	2:22:37	7:08	1.00 mi	7:18	7:18	-0:02
21M	2:29:56	7:08	1.00 mi	7:19	7:19	+0:01
35K	2:35:21	7:09	0.75 mi	5:25	7:14	-0:05
22M	2:37:12	7:09	0.25 mi	1:51	7:20	+0:06
23M	2:44:19	7:09	1.00 mi	7:07	7:07	-0:13
24M	2:51:36	7:09	1.00 mi	7:17	7:17	+0:10
40K	2:57:32	7:09	0.85 mi	5:56	6:56	-0:21
25M	2:58:34	7:09	0.15 mi	1:02	7:06	+0:10
26M	3:05:26	7:08	1.00 mi	6:52	6:52	-0:14
Finish(26.22 mi)	3:06:50	7:08	0.22 mi	1:24	6:24	-0:28

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:24 /mi

Average Pace

7:08 /mi

Slowest Pace

8:20 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

31:50

17% of race

Time at Steady Pace

1:52:10

60% of race

Time at Slower Pace

42:50

23% of race

Average Pace: 7:08 /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	W35-39	Seg. Overall	Seg. Females	Seg. W35-39
3M	3.00 mi	3494	426	63	3036	352	49
5K	0.11 mi	3504-10	430-4	66-3	5289	809	123
4M	0.89 mi	3461+43	416+14	64+2	3412	380	62
5M	1.00 mi	3337+124	387+29	59+5	2879	304	48
6M	1.00 mi	3388-51	394-7	59	3759	463	73
10K	0.21 mi	3369+19	391+3	59	2914	327	48
7M	0.79 mi	3348+21	385+6	59	3252	367	56
8M	1.00 mi	3364-16	386-1	60-1	3506	393	62
9M	1.00 mi	3384-20	391-5	62-2	3509	399	67
15K	0.32 mi	3375+9	388+3	62	3232	366	56
10M	0.68 mi	3409-34	395-7	64-2	3701	447	70
11M	1.00 mi	3396+13	389+6	63+1	3436	401	64
12M	1.00 mi	3380+16	386+3	64-1	3317	380	59
20K	0.43 mi	3400-20	391-5	66-2	3899	483	73
13M	0.57 mi	3370+30	384+7	66	3036	352	49
Half(13.11 mi)	0.11 mi	3380-10	384	66	11137	2733	329
14M	0.89 mi	3364+16	386-2	68-2	3282	391	59
15M	1.00 mi	3312+52	378+8	64+4	3209	387	57
25K	0.53 mi	3290+22	380-2	64	3747	514	73
16M	0.47 mi	3272+18	377+3	62+2	2980	362	51
17M	1.00 mi	3221+51	374+3	61+1	2719	318	44
18M	1.00 mi	3172+49	370+4	59+2	2666	312	43
30K	0.64 mi	3149+23	371-1	60-1	2988	406	59
19M	0.36 mi	3145+4	372-1	59+1	3538	527	72
20M	1.00 mi	3058+87	365+7	55+4	2479	316	40
21M	1.00 mi	2984+74	354+11	50+5	2382	302	38
35K	0.75 mi	2911+73	350+4	49+1	2305	294	40
22M	0.25 mi	2887+24	345+5	49	2033	245	36
23M	1.00 mi	2794+93	334+11	45+4	1865	216	32
24M	1.00 mi	2679+115	320+14	43+2	1555	185	30
40K	0.85 mi	2560+119	312+8	42+1	1281	150	25
25M	0.15 mi	2551+9	311+1	42	1736	249	38
26M	1.00 mi	2449+102	301+10	41+1	1331	182	28
Finish(26.22 mi)	0.22 mi	2427+22	298+3	41	1038	119	20

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 5%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

3036

Females

352

13.0 - 13.1 mi

Top 18%

36 ft39 ft

↑ 3ft↓ 0ft

3 ft

Overall

11137

Females

2733

W35-39

329

Half→14M

13.1 - 14.0 mi

Top 5%

52 ft36 ft

↑ 23ft↓ 39ft

39 ft

Overall

3282

Females

391

W35-39

14M→15M

14.0 - 15.0 mi

Top 5%

36 ft92 ft

↑ 62ft↓ 7ft

56 ft

Overall

3209

Females

387

W35-39

15M→25K

15.0 - 15.5 mi

Top 6%

100 ft167 ft

↑ 68ft↓ 0ft

68 ft

Overall

3747

Females

514

W35-39

25K→16M

15.5 - 16.0 mi

Top 5%

171 ft128 ft

↑ 3ft↓ 45ft

43 ft

Overall

2980

Females

362

W35-39

16M→17M

16.0 - 17.0 mi

Top 4%

108 ft59 ft

↑ 10ft↓ 59ft

49 ft

Overall

2719

Females

318

W35-39

17M→18M

17.0 - 18.0 mi

Top 4%

59 ft39 ft

↑ 30ft↓ 49ft

42 ft

Overall

2666

Females

312

W35-39

18M→30K

18.0 - 18.6 mi

Top 5%

39 ft39 ft

↑ 3ft↓ 3ft

3 ft

Overall

2988

Females

406

W35-39

30K→19M

18.6 - 19.0 mi

Top 6%

43 ft39 ft

↑ 0ft↓ 3ft

3 ft

Overall

3538

Females

527

W35-39

19M→20M

19.0 - 20.0 mi

Top 4%

39 ft74 ft

↑ 43ft↓ 8ft

39 ft

Overall

2479

Females

316

W35-39

20M→21M

20.0 - 21.0 mi

Top 4%

69 ft49 ft

↑ 20ft↓ 39ft

30 ft

Overall

2382

Females

302

W35-39

21M→35K

21.0 - 21.8 mi

Top 4%

56 ft52 ft

↑ 20ft↓ 23ft

23 ft

Overall

2305

Females

294

W35-39

35K→22M

21.8 - 22.0 mi

Top 3%

52 ft49 ft

↑ 0ft↓ 3ft

3 ft

Overall

2033

Females

245

W35-39

22M→23M

22.0 - 23.0 mi

Top 3%

52 ft46 ft

↑ 3ft↓ 10ft

10 ft

Overall

1865

Females

216

W35-39

23M→24M

23.0 - 24.0 mi

Top 3%

46 ft138 ft

↑ 92ft↓ 0ft

92 ft

Overall

1555

Females

185

W35-39

24M→40K

24.0 - 24.9 mi

Top 2%

138 ft89 ft

↑ 13ft↓ 62ft

49 ft

Overall

1281

Females

150

W35-39

40K→25M

24.9 - 25.0 mi

Top 3%

98 ft108 ft

↑ 10ft↓ 0ft

10 ft

Overall

1736

Females

249

W35-39

25M→26M

25.0 - 26.0 mi

Top 2%

112 ft112 ft

↑ 39ft↓ 39ft

33 ft

Overall

1331

Females

182

W35-39

26M→Finish

26.0 - 26.2 mi

Top 2%

112 ft102 ft

↑ 0ft↓ 10ft

10 ft

Overall

1038

Females

119

W35-39

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Katherine'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

New York Road Runners