Mary Grzybinski

Bib: 31836 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Gender (Female)

#0 / 12228

Masters (Masters Women)

#0 / 6759

Division (F60-64)

#0 / 624

Race Day Weather

50°/40°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

9:11/mi

28:33

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:24/mi

57:45

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

9:31/mi

1:27:20

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

9:31/mi

1:56:54

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

9:24/mi

2:03:19

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

10:00/mi

2:27:34

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

10:44/mi

3:00:54

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

10:43/mi

3:15:28

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

12:13/mi

3:27:41

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

10:20/mi

3:35:25

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

10:46/mi

3:48:54

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

10:54/mi

3:59:48

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

11:02/mi

4:09:14

↓ 20 ft0.3% grade

20 ft elev

25.2M

12:17/mi

4:13:28

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

10:38/mi

4:24:18

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half

2:03:199:24 /mi⚡ faster

2nd Half

2:20:5910:45 /mi+14.3%

Positive split — 14.3% slower in the second half

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:33	9:11	3.11 mi	28:33	9:11	-
10K	57:45	9:18	3.10 mi	29:12	9:24	+0:13
15K	1:27:20	9:22	3.11 mi	29:35	9:31	+0:07
20K	1:56:54	9:24	3.11 mi	29:34	9:31	0:00
Half(13.11 mi)	2:03:19	9:24	0.68 mi	6:25	9:24	-0:07
25K	2:27:34	9:30	2.42 mi	24:15	10:00	+0:36
30K	3:00:54	9:42	3.11 mi	33:20	10:44	+0:44
20M	3:15:28	9:46	1.36 mi	14:34	10:43	-0:01
21M	3:27:41	9:53	1.00 mi	12:13	12:13	+1:30
35K	3:35:25	9:54	0.75 mi	7:44	10:20	-1:53
23M	3:48:54	9:57	1.25 mi	13:29	10:46	+0:26
24M	3:59:48	10:00	1.00 mi	10:54	10:54	+0:08
40K	4:09:14	10:02	0.85 mi	9:26	11:02	+0:08
25.2M	4:13:28	10:03	0.35 mi	4:14	12:17	+1:15
Finish(26.22 mi)	4:24:18	10:05	1.02 mi	10:50	10:38	-1:39

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:11 /mi

Average Pace

10:05 /mi

Slowest Pace

12:17 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:27:34

56% of race

Time at Steady Pace

1:40:17

38% of race

Time at Slower Pace

16:27

6% of race

Average Pace: 10:05 /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	F60-64	Seg. Overall	Seg. Females	Seg. F60-64
5K	3.11 mi	23206	9279	9279	23812	9552	9552
10K	3.10 mi	23542-336	9447-168	9447-168	23829	9583	9583
15K	3.11 mi	23662-120	9497-50	9497-50	23812	9552	9552
20K	3.11 mi	23491+171	9398+99	9398+99	22963	9128	9128
Half(13.11 mi)	0.68 mi	23474+17	9384+14	9384+14	23303	9320	9320
25K	2.42 mi	23419+55	9369+15	9369+15	23270	9345	9345
30K	3.11 mi	23422-3	9415-46	9415-46	23464	9589	9589
20M	1.36 mi	23346+76	9391+24	9391+24	23006	9425	9425
21M	1.00 mi	23408-62	9450-59	9450-59	23968	10016	10016
35K	0.75 mi	23366+42	9439+11	9439+11	22810	9446	9446
23M	1.25 mi	23344+22	9444-5	9444-5	22685	9435	9435
24M	1.00 mi	23362-18	9472-28	9472-28	23778	10012	10012
40K	0.85 mi	23325+37	9472	9472	23237	9824	9824
25.2M	0.35 mi	23342-17	9484-12	9484-12	23786	10060	10060
Finish(26.22 mi)	1.02 mi	23422-80	9544-60	9544-60	24588	10450	10450

10450

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#23206
5K → 10K	447111-336	#23206 → #23542
10K → 15K	251131-120	#23542 → #23662
15K → 20K	61232+171	#23662 → #23491
20K → Half	1936+17	#23491 → #23474
Half → 25K	99154+55	#23474 → #23419
25K → 30K	166163-3	#23419 → #23422
30K → 20M	40116+76	#23422 → #23346
20M → 21M	11856-62	#23346 → #23408
21M → 35K	1759+42	#23408 → #23366
35K → 23M	4264+22	#23366 → #23344
23M → 24M	6446-18	#23344 → #23362
24M → 40K	2865+37	#23362 → #23325
40K → 25.2M	3316-17	#23325 → #23342
25.2M → Finish	10020-80	#23342 → #23422
TOTALS	14851269-216	#23206 → #23422

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing