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BOSTON MARATHON 2023

Brenda Vaness

Bib: 19301•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:12
Rank: #17125
Start → 5K
26:12 | 8:26/mi
10K· 6.21 mi
52:03
Rank: #17043 (+82)
5K → 10K
25:51 | 8:19/mi
15K· 9.32 mi
1:17:40
Rank: #16747 (+296)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:44:12
Rank: #16826 (-79)
15K → 20K
26:32 | 8:32/mi
Half· 13.11 mi
1:50:00
Rank: #16889 (-63)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:11:11
Rank: #17012 (-123)
Half → 25K
21:11 | 8:44/mi
30K· 18.64 mi
2:40:12
Rank: #17315 (-303)
25K → 30K
29:01 | 9:20/mi
20M
2:53:11
Rank: #17484 (-169)
30K → 20M
12:59 | 9:33/mi
21M
3:03:27
Rank: #17602 (-118)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:10:09
Rank: #17600 (+2)
21M → 35K
6:42 | 8:57/mi
23M
3:22:31
Rank: #17811 (-211)
35K → 23M
12:22 | 9:53/mi
24M
3:31:53
Rank: #17880 (-69)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:40:15
Rank: #17955 (-75)
24M → 40K
8:22 | 9:47/mi
25.2M
3:43:50
Rank: #17976 (-21)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:53:29
Rank: #18088 (-112)
25.2M → Finish
9:39 | 9:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:00
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:03:29
Pace9:25 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0026:128:2626:12
8:26
-
10K
6.21 mi11:43:5152:038:2325:51
8:19
-0:07
15K
9.32 mi12:09:281:17:408:2025:37
8:15
-0:04
20K
12.43 mi12:36:001:44:128:2326:32
8:32
+0:17
Half
13.11 mi12:41:481:50:008:235:48
8:30
-0:02
25K
15.53 mi13:02:592:11:118:2721:11
8:44
+0:14
30K
18.64 mi13:32:002:40:128:3629:01
9:20
+0:36
20M
20.00 mi13:44:592:53:118:4012:59
9:33
+0:13
21M
21.00 mi13:55:153:03:278:4410:16
10:16
+0:43
35K
21.75 mi14:01:573:10:098:456:42
8:57
-1:19
23M
23.00 mi14:14:193:22:318:4812:22
9:53
+0:56
24M
24.00 mi14:23:413:31:538:509:22
9:22
-0:31
40K
24.85 mi14:32:033:40:158:528:22
9:47
+0:25
25.2M
25.20 mi14:35:383:43:508:533:35
10:23
+0:36
Finish
26.22 mi14:45:173:53:298:559:39
9:28
-0:55

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:15 /mi

Average Pace

8:55 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:53

59% of race

Time at Steady Pace

1:01:01

26% of race

Time at Slower Pace

34:35

15% of race

Average Pace: 8:54 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:18:0026:128:2626:12
8:26
#17125
10K
6.21 mi11:43:5152:038:2325:51
8:19
#17043
15K
9.32 mi12:09:281:17:408:2025:37
8:15
#16747
20K
12.43 mi12:36:001:44:128:2326:32
8:32
#16826
Half
13.11 mi12:41:481:50:008:235:48
8:30
#16889
25K
15.53 mi13:02:592:11:118:2721:11
8:44
#17012
30K
18.64 mi13:32:002:40:128:3629:01
9:20
#17315
20M
20.00 mi13:44:592:53:118:4012:59
9:33
#17484
21M
21.00 mi13:55:153:03:278:4410:16
10:16
#17602
35K
21.75 mi14:01:573:10:098:456:42
8:57
#17600
23M
23.00 mi14:14:193:22:318:4812:22
9:53
#17811
24M
24.00 mi14:23:413:31:538:509:22
9:22
#17880
40K
24.85 mi14:32:033:40:158:528:22
9:47
#17955
25.2M
25.20 mi14:35:383:43:508:533:35
10:23
#17976
Finish
26.22 mi14:45:173:53:298:559:39
9:28
#18088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi171256014601416204(Top 61%)5420(Top 47%)5420(Top 289%)
10K6.21 mi3.10 mi17043+825944+705944+7017084(Top 64%)5925(Top 52%)5925(Top 315%)
15K9.32 mi3.11 mi16747+2965763+1815763+18116204(Top 61%)5420(Top 47%)5420(Top 289%)
20K12.43 mi3.11 mi16826-795820-575820-5717135(Top 64%)6014(Top 53%)6014(Top 320%)
Half13.11 mi0.68 mi16889-635860-405860-4017770(Top 67%)6348(Top 56%)6348(Top 338%)
25K15.53 mi2.42 mi17012-1235954-945954-9417601(Top 66%)6343(Top 56%)6343(Top 338%)
30K18.64 mi3.11 mi17315-3036145-1916145-19118783(Top 71%)7072(Top 62%)7072(Top 377%)
20M20.00 mi1.36 mi17484-1696269-1246269-12419067(Top 72%)7329(Top 64%)7329(Top 390%)
21M21.00 mi1.00 mi17602-1186359-906359-9018935(Top 71%)7299(Top 64%)7299(Top 389%)
35K21.75 mi0.75 mi17600+26368-96368-917754(Top 67%)6702(Top 59%)6702(Top 357%)
23M23.00 mi1.25 mi17811-2116507-1396507-13919639(Top 74%)7754(Top 68%)7754(Top 413%)
24M24.00 mi1.00 mi17880-696556-496556-4918725(Top 70%)7288(Top 64%)7288(Top 388%)
40K24.85 mi0.85 mi17955-756609-536609-5319359(Top 73%)7686(Top 67%)7686(Top 409%)
25.2M25.20 mi0.35 mi17976-216630-216630-2118772(Top 71%)7376(Top 65%)7376(Top 393%)
Finish26.22 mi1.02 mi18088-1126702-726702-7220021(Top 75%)8006(Top 70%)8006(Top 426%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16204

Females

5420

F40-44

5420

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17084

Females

5925

F40-44

5925

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16204

Females

5420

F40-44

5420

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17135

Females

6014

F40-44

6014

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17770

Females

6348

F40-44

6348

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17601

Females

6343

F40-44

6343

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18783

Females

7072

F40-44

7072

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19067

Females

7329

F40-44

7329

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18935

Females

7299

F40-44

7299

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17754

Females

6702

F40-44

6702

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19639

Females

7754

F40-44

7754

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18725

Females

7288

F40-44

7288

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19359

Females

7686

F40-44

7686

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18772

Females

7376

F40-44

7376

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20021

Females

8006

F40-44

8006

Passing Analysis

Category:
Athletes Passed
1383
Passed By
2346
Net Change
-963
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17125
5K → 10K365283+82#17125#17043
10K → 15K39094+296#17043#16747
15K → 20K150229-79#16747#16826
20K → Half770-63#16826#16889
Half → 25K81204-123#16889#17012
25K → 30K92395-303#17012#17315
30K → 20M47216-169#17315#17484
20M → 21M53171-118#17484#17602
21M → 35K5250+2#17602#17600
35K → 23M39250-211#17600#17811
23M → 24M38107-69#17811#17880
24M → 40K27102-75#17880#17955
40K → 25.2M1637-21#17955#17976
25.2M → Finish26138-112#17976#18088
TOTALS13832346-963
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing