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BOSTON MARATHON 2023

Caroline Bialke

Bib: 5602•F

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #4518
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
41:52
Rank: #4372 (+146)
5K → 10K
20:48 | 6:42/mi
15K· 9.32 mi
1:02:34
Rank: #4145 (+227)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:23:33
Rank: #4106 (+39)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:28:04
Rank: #4059 (+47)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:36
Rank: #4082 (-23)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:06:13
Rank: #4049 (+33)
25K → 30K
21:37 | 6:57/mi
20M
2:15:36
Rank: #3974 (+75)
30K → 20M
9:23 | 6:54/mi
21M
2:22:52
Rank: #3896 (+78)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:27:46
Rank: #3827 (+69)
21M → 35K
4:54 | 6:33/mi
23M
2:36:15
Rank: #3693 (+134)
35K → 23M
8:29 | 6:47/mi
24M
2:42:43
Rank: #3555 (+138)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:48:22
Rank: #3450 (+105)
24M → 40K
5:39 | 6:36/mi
25.2M
2:50:48
Rank: #3418 (+32)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:57:32
Rank: #3339 (+79)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:04
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5521:046:4721:04
6:47
-
10K
6.21 mi10:44:4341:526:4420:48
6:42
-0:05
15K
9.32 mi11:05:251:02:346:4320:42
6:40
-0:02
20K
12.43 mi11:26:241:23:336:4320:59
6:45
+0:05
Half
13.11 mi11:30:551:28:046:434:31
6:37
-0:08
25K
15.53 mi11:47:271:44:366:4416:32
6:49
+0:12
30K
18.64 mi12:09:042:06:136:4621:37
6:57
+0:08
20M
20.00 mi12:18:272:15:366:479:23
6:54
-0:03
21M
21.00 mi12:25:432:22:526:487:16
7:16
+0:22
35K
21.75 mi12:30:372:27:466:484:54
6:33
-0:43
23M
23.00 mi12:39:062:36:156:488:29
6:47
+0:14
24M
24.00 mi12:45:342:42:436:476:28
6:28
-0:19
40K
24.85 mi12:51:132:48:226:465:39
6:36
+0:08
25.2M
25.20 mi12:53:392:50:486:472:26
7:03
+0:27
Finish
26.22 mi13:00:232:57:326:476:44
6:36
-0:27

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

6:47 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:16

96% of race

Time at Steady Pace

7:16

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:23:5521:046:4721:04
6:47
#4518
10K
6.21 mi10:44:4341:526:4420:48
6:42
#4372
15K
9.32 mi11:05:251:02:346:4320:42
6:40
#4145
20K
12.43 mi11:26:241:23:336:4320:59
6:45
#4106
Half
13.11 mi11:30:551:28:046:434:31
6:37
#4059
25K
15.53 mi11:47:271:44:366:4416:32
6:49
#4082
30K
18.64 mi12:09:042:06:136:4621:37
6:57
#4049
20M
20.00 mi12:18:272:15:366:479:23
6:54
#3974
21M
21.00 mi12:25:432:22:526:487:16
7:16
#3896
35K
21.75 mi12:30:372:27:466:484:54
6:33
#3827
23M
23.00 mi12:39:062:36:156:488:29
6:47
#3693
24M
24.00 mi12:45:342:42:436:476:28
6:28
#3555
40K
24.85 mi12:51:132:48:226:465:39
6:36
#3450
25.2M
25.20 mi12:53:392:50:486:472:26
7:03
#3418
Finish
26.22 mi13:00:232:57:326:476:44
6:36
#3339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi45182952953805(Top 14%)222(Top 2%)222(Top 5%)
10K6.21 mi3.10 mi4372+146272+23272+234301(Top 16%)267(Top 2%)267(Top 5%)
15K9.32 mi3.11 mi4145+227249+23249+233805(Top 14%)222(Top 2%)222(Top 5%)
20K12.43 mi3.11 mi4106+39247+2247+24038(Top 15%)244(Top 2%)244(Top 5%)
Half13.11 mi0.68 mi4059+47243+4243+43677(Top 14%)196(Top 2%)196(Top 4%)
25K15.53 mi2.42 mi4082-23244-1244-14340(Top 16%)284(Top 2%)284(Top 6%)
30K18.64 mi3.11 mi4049+33239+5239+54077(Top 15%)268(Top 2%)268(Top 5%)
20M20.00 mi1.36 mi3974+75233+6233+63485(Top 13%)227(Top 2%)227(Top 5%)
21M21.00 mi1.00 mi3896+78226+7226+73471(Top 13%)242(Top 2%)242(Top 5%)
35K21.75 mi0.75 mi3827+69221+5221+52755(Top 10%)162(Top 1%)162(Top 3%)
23M23.00 mi1.25 mi3693+134209+12209+122551(Top 10%)156(Top 1%)156(Top 3%)
24M24.00 mi1.00 mi3555+138193+16193+161991(Top 7%)122(Top 1%)122(Top 2%)
40K24.85 mi0.85 mi3450+105188+5188+51980(Top 7%)124(Top 1%)124(Top 3%)
25.2M25.20 mi0.35 mi3418+32187+1187+12015(Top 8%)127(Top 1%)127(Top 3%)
Finish26.22 mi1.02 mi3339+79183+4183+43046(Top 11%)293(Top 3%)293(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3805

Females

222

F18-39

222

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4301

Females

267

F18-39

267

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3805

Females

222

F18-39

222

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4038

Females

244

F18-39

244

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3677

Females

196

F18-39

196

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4340

Females

284

F18-39

284

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4077

Females

268

F18-39

268

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3485

Females

227

F18-39

227

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3471

Females

242

F18-39

242

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2755

Females

162

F18-39

162

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2551

Females

156

F18-39

156

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1991

Females

122

F18-39

122

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1980

Females

124

F18-39

124

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2015

Females

127

F18-39

127

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3046

Females

293

F18-39

293

Passing Analysis

Category:
Athletes Passed
1726
Passed By
547
Net Change
+1179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4518
5K → 10K285139+146#4518#4372
10K → 15K26639+227#4372#4145
15K → 20K11980+39#4145#4106
20K → Half514+47#4106#4059
Half → 25K6992-23#4059#4082
25K → 30K13299+33#4082#4049
30K → 20M9217+75#4049#3974
20M → 21M11133+78#3974#3896
21M → 35K778+69#3896#3827
35K → 23M14713+134#3827#3693
23M → 24M1413+138#3693#3555
24M → 40K1061+105#3555#3450
40K → 25.2M375+32#3450#3418
25.2M → Finish9314+79#3418#3339
TOTALS1726547+1179
📊

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