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BOSTON MARATHON 2023

Marlies Vermeeren

Bib: 9536•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:56
Rank: #6632
Start → 5K
21:56 | 7:04/mi
10K· 6.21 mi
42:58
Rank: #5936 (+696)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:54
Rank: #5529 (+407)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:25:10
Rank: #5363 (+166)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:48
Rank: #5345 (+18)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:14
Rank: #5086 (+259)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:07:37
Rank: #4719 (+367)
25K → 30K
21:23 | 6:53/mi
20M
2:16:50
Rank: #4519 (+200)
30K → 20M
9:13 | 6:47/mi
21M
2:24:03
Rank: #4405 (+114)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:28:53
Rank: #4269 (+136)
21M → 35K
4:50 | 6:28/mi
23M
2:37:23
Rank: #4140 (+129)
35K → 23M
8:30 | 6:47/mi
24M
2:43:59
Rank: #4024 (+116)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:49:38
Rank: #3891 (+133)
24M → 40K
5:39 | 6:36/mi
25.2M
2:52:07
Rank: #3851 (+40)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:58:46
Rank: #3770 (+81)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:48
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3621:567:0421:56
7:04
-
10K
6.21 mi11:08:3842:586:5521:02
6:46
-0:18
15K
9.32 mi11:29:341:03:546:5120:56
6:44
-0:02
20K
12.43 mi11:50:501:25:106:5121:16
6:51
+0:07
Half
13.11 mi11:55:281:29:486:514:38
6:47
-0:04
25K
15.53 mi12:11:541:46:146:5016:26
6:47
0:00
30K
18.64 mi12:33:172:07:376:5121:23
6:53
+0:06
20M
20.00 mi12:42:302:16:506:509:13
6:47
-0:06
21M
21.00 mi12:49:432:24:036:527:13
7:13
+0:26
35K
21.75 mi12:54:332:28:536:514:50
6:28
-0:45
23M
23.00 mi13:03:032:37:236:518:30
6:47
+0:19
24M
24.00 mi13:09:392:43:596:506:36
6:36
-0:11
40K
24.85 mi13:15:182:49:386:495:39
6:36
0:00
25.2M
25.20 mi13:17:472:52:076:502:29
7:12
+0:36
Finish
26.22 mi13:24:262:58:466:496:39
6:32
-0:40

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

6:28 /mi

Average Pace

6:49 /mi

Slowest Pace

7:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:04

95% of race

Time at Steady Pace

9:42

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:47:3621:567:0421:56
7:04
#6632
10K
6.21 mi11:08:3842:586:5521:02
6:46
#5936
15K
9.32 mi11:29:341:03:546:5120:56
6:44
#5529
20K
12.43 mi11:50:501:25:106:5121:16
6:51
#5363
Half
13.11 mi11:55:281:29:486:514:38
6:47
#5345
25K
15.53 mi12:11:541:46:146:5016:26
6:47
#5086
30K
18.64 mi12:33:172:07:376:5121:23
6:53
#4719
20M
20.00 mi12:42:302:16:506:509:13
6:47
#4519
21M
21.00 mi12:49:432:24:036:527:13
7:13
#4405
35K
21.75 mi12:54:332:28:536:514:50
6:28
#4269
23M
23.00 mi13:03:032:37:236:518:30
6:47
#4140
24M
24.00 mi13:09:392:43:596:506:36
6:36
#4024
40K
24.85 mi13:15:182:49:386:495:39
6:36
#3891
25.2M
25.20 mi13:17:472:52:076:502:29
7:12
#3851
Finish
26.22 mi13:24:262:58:466:496:39
6:32
#3770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66326326324512(Top 17%)293(Top 3%)293(Top 6%)
10K6.21 mi3.10 mi5936+696492+140492+1405015(Top 19%)363(Top 3%)363(Top 7%)
15K9.32 mi3.11 mi5529+407426+66426+664512(Top 17%)293(Top 3%)293(Top 6%)
20K12.43 mi3.11 mi5363+166393+33393+334890(Top 18%)344(Top 3%)344(Top 7%)
Half13.11 mi0.68 mi5345+18391+2391+25267(Top 20%)389(Top 3%)389(Top 8%)
25K15.53 mi2.42 mi5086+259361+30361+303970(Top 15%)238(Top 2%)238(Top 5%)
30K18.64 mi3.11 mi4719+367316+45316+453551(Top 13%)214(Top 2%)214(Top 4%)
20M20.00 mi1.36 mi4519+200302+14302+142743(Top 10%)148(Top 1%)148(Top 3%)
21M21.00 mi1.00 mi4405+114287+15287+153238(Top 12%)214(Top 2%)214(Top 4%)
35K21.75 mi0.75 mi4269+136272+15272+152284(Top 9%)118(Top 1%)118(Top 2%)
23M23.00 mi1.25 mi4140+129259+13259+132633(Top 10%)162(Top 1%)162(Top 3%)
24M24.00 mi1.00 mi4024+116252+7252+72605(Top 10%)178(Top 2%)178(Top 4%)
40K24.85 mi0.85 mi3891+133239+13239+131985(Top 7%)129(Top 1%)129(Top 3%)
25.2M25.20 mi0.35 mi3851+40233+6233+62603(Top 10%)195(Top 2%)195(Top 4%)
Finish26.22 mi1.02 mi3770+81229+4229+42647(Top 10%)218(Top 2%)218(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4512

Females

293

F18-39

293

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5015

Females

363

F18-39

363

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4512

Females

293

F18-39

293

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4890

Females

344

F18-39

344

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5267

Females

389

F18-39

389

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3970

Females

238

F18-39

238

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3551

Females

214

F18-39

214

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2743

Females

148

F18-39

148

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3238

Females

214

F18-39

214

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2284

Females

118

F18-39

118

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2633

Females

162

F18-39

162

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2605

Females

178

F18-39

178

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1985

Females

129

F18-39

129

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2603

Females

195

F18-39

195

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2647

Females

218

F18-39

218

Passing Analysis

Category:
Athletes Passed
3016
Passed By
154
Net Change
+2862
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6632
5K → 10K71620+696#6632#5936
10K → 15K42316+407#5936#5529
15K → 20K18923+166#5529#5363
20K → Half3113+18#5363#5345
Half → 25K27112+259#5345#5086
25K → 30K3758+367#5086#4719
30K → 20M2022+200#4719#4519
20M → 21M12713+114#4519#4405
21M → 35K1371+136#4405#4269
35K → 23M13910+129#4269#4140
23M → 24M1193+116#4140#4024
24M → 40K1407+133#4024#3891
40K → 25.2M5010+40#3891#3851
25.2M → Finish9716+81#3851#3770
TOTALS3016154+2862
📊

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