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BOSTON MARATHON 2023

Bridgette Van Valkenburgh

Bib: 13475•F

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #12893
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
48:31
Rank: #12786 (+107)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:13:07
Rank: #13091 (-305)
10K → 15K
24:36 | 7:55/mi
20K· 12.43 mi
1:38:33
Rank: #13548 (-457)
15K → 20K
25:26 | 8:11/mi
Half· 13.11 mi
1:44:06
Rank: #13643 (-95)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:05:13
Rank: #14349 (-706)
Half → 25K
21:07 | 8:43/mi
30K· 18.64 mi
2:33:06
Rank: #14907 (-558)
25K → 30K
27:53 | 8:58/mi
20M
2:45:18
Rank: #15002 (-95)
30K → 20M
12:12 | 8:59/mi
21M
2:54:16
Rank: #14883 (+119)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
3:00:40
Rank: #14902 (-19)
21M → 35K
6:24 | 8:33/mi
23M
3:12:25
Rank: #15075 (-173)
35K → 23M
11:45 | 9:23/mi
24M
3:21:20
Rank: #15132 (-57)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:29:20
Rank: #15270 (-138)
24M → 40K
8:00 | 9:21/mi
25.2M
3:32:39
Rank: #15280 (-10)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:41:27
Rank: #15293 (-13)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3124:247:5124:24
7:51
-
10K
6.21 mi11:16:3848:317:4824:07
7:46
-0:05
15K
9.32 mi11:41:141:13:077:5124:36
7:55
+0:09
20K
12.43 mi12:06:401:38:337:5625:26
8:11
+0:16
Half
13.11 mi12:12:131:44:067:565:33
8:08
-0:03
25K
15.53 mi12:33:202:05:138:0421:07
8:43
+0:35
30K
18.64 mi13:01:132:33:068:1327:53
8:58
+0:15
20M
20.00 mi13:13:252:45:188:1612:12
8:59
+0:01
21M
21.00 mi13:22:232:54:168:188:58
8:58
-0:01
35K
21.75 mi13:28:473:00:408:186:24
8:33
-0:25
23M
23.00 mi13:40:323:12:258:2211:45
9:23
+0:50
24M
24.00 mi13:49:273:21:208:238:55
8:55
-0:28
40K
24.85 mi13:57:273:29:208:258:00
9:21
+0:26
25.2M
25.20 mi14:00:463:32:398:263:19
9:37
+0:16
Finish
26.22 mi14:09:343:41:278:278:48
8:38
-0:59

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

7:46 /mi

Average Pace

8:27 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:06

47% of race

Time at Steady Pace

1:34:17

43% of race

Time at Slower Pace

23:04

10% of race

Average Pace: 8:27 /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 mi10:52:3124:247:5124:24
7:51
#12893
10K
6.21 mi11:16:3848:317:4824:07
7:46
#12786
15K
9.32 mi11:41:141:13:077:5124:36
7:55
#13091
20K
12.43 mi12:06:401:38:337:5625:26
8:11
#13548
Half
13.11 mi12:12:131:44:067:565:33
8:08
#13643
25K
15.53 mi12:33:202:05:138:0421:07
8:43
#14349
30K
18.64 mi13:01:132:33:068:1327:53
8:58
#14907
20M
20.00 mi13:13:252:45:188:1612:12
8:59
#15002
21M
21.00 mi13:22:232:54:168:188:58
8:58
#14883
35K
21.75 mi13:28:473:00:408:186:24
8:33
#14902
23M
23.00 mi13:40:323:12:258:2211:45
9:23
#15075
24M
24.00 mi13:49:273:21:208:238:55
8:55
#15132
40K
24.85 mi13:57:273:29:208:258:00
9:21
#15270
25.2M
25.20 mi14:00:463:32:398:263:19
9:37
#15280
Finish
26.22 mi14:09:343:41:278:278:48
8:38
#15293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128933384338413743(Top 52%)3933(Top 34%)3933(Top 81%)
10K6.21 mi3.10 mi12786+1073306+783306+7812814(Top 48%)3326(Top 29%)3326(Top 68%)
15K9.32 mi3.11 mi13091-3053520-2143520-21413743(Top 52%)3933(Top 34%)3933(Top 81%)
20K12.43 mi3.11 mi13548-4573811-2913811-29114903(Top 56%)4652(Top 41%)4652(Top 95%)
Half13.11 mi0.68 mi13643-953876-653876-6515386(Top 58%)4920(Top 43%)4920(Top 101%)
25K15.53 mi2.42 mi14349-7064315-4394315-43917426(Top 65%)6237(Top 55%)6237(Top 128%)
30K18.64 mi3.11 mi14907-5584684-3694684-36917033(Top 64%)6078(Top 53%)6078(Top 124%)
20M20.00 mi1.36 mi15002-954775-914775-9116420(Top 62%)5815(Top 51%)5815(Top 119%)
21M21.00 mi1.00 mi14883+1194720+554720+5513252(Top 50%)4087(Top 36%)4087(Top 84%)
35K21.75 mi0.75 mi14902-194750-304750-3015609(Top 59%)5468(Top 48%)5468(Top 112%)
23M23.00 mi1.25 mi15075-1734890-1404890-14017878(Top 67%)6789(Top 59%)6789(Top 139%)
24M24.00 mi1.00 mi15132-574937-474937-4716854(Top 63%)6269(Top 55%)6269(Top 128%)
40K24.85 mi0.85 mi15270-1385037-1005037-10017786(Top 67%)6827(Top 60%)6827(Top 140%)
25.2M25.20 mi0.35 mi15280-105058-215058-2115774(Top 59%)5730(Top 50%)5730(Top 117%)
Finish26.22 mi1.02 mi15293-135079-215079-2116184(Top 61%)5926(Top 52%)5926(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13743

Females

3933

F18-39

3933

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12814

Females

3326

F18-39

3326

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13743

Females

3933

F18-39

3933

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14903

Females

4652

F18-39

4652

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15386

Females

4920

F18-39

4920

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17426

Females

6237

F18-39

6237

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17033

Females

6078

F18-39

6078

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16420

Females

5815

F18-39

5815

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13252

Females

4087

F18-39

4087

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15609

Females

5468

F18-39

5468

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17878

Females

6789

F18-39

6789

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16854

Females

6269

F18-39

6269

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17786

Females

6827

F18-39

6827

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15774

Females

5730

F18-39

5730

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16184

Females

5926

F18-39

5926

Passing Analysis

Category:
Athletes Passed
1106
Passed By
3506
Net Change
-2400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12893
5K → 10K363256+107#12893#12786
10K → 15K108413-305#12786#13091
15K → 20K81538-457#13091#13548
20K → Half8103-95#13548#13643
Half → 25K32738-706#13643#14349
25K → 30K56614-558#14349#14907
30K → 20M55150-95#14907#15002
20M → 21M15132+119#15002#14883
21M → 35K4665-19#14883#14902
35K → 23M41214-173#14902#15075
23M → 24M44101-57#15075#15132
24M → 40K30168-138#15132#15270
40K → 25.2M3242-10#15270#15280
25.2M → Finish5972-13#15280#15293
TOTALS11063506-2400
📊

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