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BOSTON MARATHON 2023

Caroline Weber

Bib: 30853•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
25:29
Rank: #15507
Start → 5K
25:29 | 8:12/mi
10K· 6.21 mi
52:57
Rank: #18042 (-2535)
5K → 10K
27:28 | 8:50/mi
15K· 9.32 mi
1:21:24
Rank: #19235 (-1193)
10K → 15K
28:27 | 9:09/mi
20K· 12.43 mi
1:51:31
Rank: #20233 (-998)
15K → 20K
30:07 | 9:42/mi
Half· 13.11 mi
1:58:07
Rank: #20418 (-185)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:24:01
Rank: #21190 (-772)
Half → 25K
25:54 | 10:41/mi
30K· 18.64 mi
2:58:48
Rank: #21723 (-533)
25K → 30K
34:47 | 11:12/mi
20M
3:14:15
Rank: #21917 (-194)
30K → 20M
15:27 | 11:22/mi
21M
3:26:12
Rank: #21976 (-59)
20M → 21M
11:57 | 11:57/mi
35K· 21.75 mi
3:33:45
Rank: #21963 (+13)
21M → 35K
7:33 | 10:06/mi
23M
3:47:35
Rank: #22003 (-40)
35K → 23M
13:50 | 11:03/mi
24M
3:58:53
Rank: #22068 (-65)
23M → 24M
11:18 | 11:18/mi
40K· 24.85 mi
4:11:10
Rank: #22362 (-294)
24M → 40K
12:17 | 14:22/mi
25.2M
4:17:00
Rank: #22513 (-151)
40K → 25.2M
5:50 | 16:55/mi
Finish· 26.22 mi
4:28:54
Rank: #22647 (-134)
25.2M → Finish
11:54 | 11:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:07
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:30:47
Pace11:30 /mi
📊Positive Split: 27.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5825:298:1225:29
8:12
-
10K
6.21 mi11:43:2652:578:3127:28
8:50
+0:38
15K
9.32 mi12:11:531:21:248:4428:27
9:09
+0:19
20K
12.43 mi12:42:001:51:318:5830:07
9:42
+0:33
Half
13.11 mi12:48:361:58:079:016:36
9:40
-0:02
25K
15.53 mi13:14:302:24:019:1625:54
10:41
+1:01
30K
18.64 mi13:49:172:58:489:3634:47
11:12
+0:31
20M
20.00 mi14:04:443:14:159:4315:27
11:22
+0:10
21M
21.00 mi14:16:413:26:129:4911:57
11:57
+0:35
35K
21.75 mi14:24:143:33:459:507:33
10:06
-1:51
23M
23.00 mi14:38:043:47:359:5413:50
11:03
+0:57
24M
24.00 mi14:49:223:58:539:5711:18
11:18
+0:15
40K
24.85 mi15:01:394:11:1010:0612:17
14:22
+3:04
25.2M
25.20 mi15:07:294:17:0010:125:50
16:55
+2:33
Finish
26.22 mi15:19:234:28:5410:1611:54
11:41
-5:14

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

8:12 /mi

Average Pace

10:16 /mi

Slowest Pace

16:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:07

44% of race

Time at Steady Pace

2:12:40

49% of race

Time at Slower Pace

18:07

7% of race

Average Pace: 10:15 /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 mi11:15:5825:298:1225:29
8:12
#15507
10K
6.21 mi11:43:2652:578:3127:28
8:50
#18042
15K
9.32 mi12:11:531:21:248:4428:27
9:09
#19235
20K
12.43 mi12:42:001:51:318:5830:07
9:42
#20233
Half
13.11 mi12:48:361:58:079:016:36
9:40
#20418
25K
15.53 mi13:14:302:24:019:1625:54
10:41
#21190
30K
18.64 mi13:49:172:58:489:3634:47
11:12
#21723
20M
20.00 mi14:04:443:14:159:4315:27
11:22
#21917
21M
21.00 mi14:16:413:26:129:4911:57
11:57
#21976
35K
21.75 mi14:24:143:33:459:507:33
10:06
#21963
23M
23.00 mi14:38:043:47:359:5413:50
11:03
#22003
24M
24.00 mi14:49:223:58:539:5711:18
11:18
#22068
40K
24.85 mi15:01:394:11:1010:0612:17
14:22
#22362
25.2M
25.20 mi15:07:294:17:0010:125:50
16:55
#22513
Finish
26.22 mi15:19:234:28:5410:1611:54
11:41
#22647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155074975497521165(Top 80%)8323(Top 73%)8323(Top 170%)
10K6.21 mi3.10 mi18042-25356564-15896564-158920157(Top 76%)7794(Top 68%)7794(Top 160%)
15K9.32 mi3.11 mi19235-11937275-7117275-71121165(Top 80%)8323(Top 73%)8323(Top 170%)
20K12.43 mi3.11 mi20233-9987852-5777852-57722154(Top 83%)8885(Top 78%)8885(Top 182%)
Half13.11 mi0.68 mi20418-1857951-997951-9922608(Top 85%)9139(Top 80%)9139(Top 187%)
25K15.53 mi2.42 mi21190-7728374-4238374-42323486(Top 88%)9658(Top 85%)9658(Top 198%)
30K18.64 mi3.11 mi21723-5338680-3068680-30623410(Top 88%)9685(Top 85%)9685(Top 198%)
20M20.00 mi1.36 mi21917-1948803-1238803-12323309(Top 88%)9684(Top 85%)9684(Top 198%)
21M21.00 mi1.00 mi21976-598840-378840-3722684(Top 85%)9379(Top 82%)9379(Top 192%)
35K21.75 mi0.75 mi21963+138834+68834+621554(Top 81%)8806(Top 77%)8806(Top 180%)
23M23.00 mi1.25 mi22003-408870-368870-3622430(Top 84%)9284(Top 81%)9284(Top 190%)
24M24.00 mi1.00 mi22068-658915-458915-4523589(Top 89%)9937(Top 87%)9937(Top 203%)
40K24.85 mi0.85 mi22362-2949091-1769091-17625887(Top 97%)11122(Top 97%)11122(Top 228%)
25.2M25.20 mi0.35 mi22513-1519184-939184-9326354(Top 99%)11326(Top 99%)11326(Top 232%)
Finish26.22 mi1.02 mi22647-1349264-809264-8024913(Top 94%)10617(Top 93%)10617(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21165

Females

8323

F18-39

8323

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20157

Females

7794

F18-39

7794

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21165

Females

8323

F18-39

8323

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22154

Females

8885

F18-39

8885

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22608

Females

9139

F18-39

9139

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23486

Females

9658

F18-39

9658

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23410

Females

9685

F18-39

9685

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23309

Females

9684

F18-39

9684

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22684

Females

9379

F18-39

9379

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21554

Females

8806

F18-39

8806

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22430

Females

9284

F18-39

9284

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23589

Females

9937

F18-39

9937

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25887

Females

11122

F18-39

11122

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26354

Females

11326

F18-39

11326

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

24913

Females

10617

F18-39

10617

Passing Analysis

Category:
Athletes Passed
283
Passed By
7423
Net Change
-7140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15507
5K → 10K102545-2535#15507#18042
10K → 15K141207-1193#18042#19235
15K → 20K291027-998#19235#20233
20K → Half4189-185#20233#20418
Half → 25K11783-772#20418#21190
25K → 30K30563-533#21190#21723
30K → 20M26220-194#21723#21917
20M → 21M42101-59#21917#21976
21M → 35K3623+13#21976#21963
35K → 23M3979-40#21963#22003
23M → 24M2287-65#22003#22068
24M → 40K2296-294#22068#22362
40K → 25.2M1152-151#22362#22513
25.2M → Finish17151-134#22513#22647
TOTALS2837423-7140
📊

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