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BOSTON MARATHON 2023

Alessandra Weiler

Bib: 24847•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
31:11
Rank: #23536
Start → 5K
31:11 | 10:02/mi
10K· 6.21 mi
1:03:00
Rank: #23929 (-393)
5K → 10K
31:49 | 10:14/mi
15K· 9.32 mi
1:35:21
Rank: #24078 (-149)
10K → 15K
32:21 | 10:25/mi
20K· 12.43 mi
2:08:17
Rank: #24065 (+13)
15K → 20K
32:56 | 10:36/mi
Half· 13.11 mi
2:15:39
Rank: #24101 (-36)
20K → Half
7:22 | 10:48/mi
25K· 15.53 mi
2:42:22
Rank: #24081 (+20)
Half → 25K
26:43 | 11:01/mi
30K· 18.64 mi
3:18:01
Rank: #24024 (+57)
25K → 30K
35:39 | 11:28/mi
20M
3:33:40
Rank: #24010 (+14)
30K → 20M
15:39 | 11:31/mi
21M
3:46:05
Rank: #23979 (+31)
20M → 21M
12:25 | 12:25/mi
35K· 21.75 mi
3:54:35
Rank: #23986 (-7)
21M → 35K
8:30 | 11:22/mi
23M
4:08:44
Rank: #23938 (+48)
35K → 23M
14:09 | 11:18/mi
24M
4:19:51
Rank: #23918 (+20)
23M → 24M
11:07 | 11:07/mi
40K· 24.85 mi
4:29:24
Rank: #23868 (+50)
24M → 40K
9:33 | 11:10/mi
25.2M
4:33:26
Rank: #23840 (+28)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
4:44:13
Rank: #23827 (+13)
25.2M → Finish
10:47 | 10:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:39
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:28:34
Pace11:20 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2031:1110:0231:11
10:02
-
10K
6.21 mi12:18:091:03:0010:0831:49
10:14
+0:12
15K
9.32 mi12:50:301:35:2110:1432:21
10:25
+0:11
20K
12.43 mi13:23:262:08:1710:1932:56
10:36
+0:11
Half
13.11 mi13:30:482:15:3910:217:22
10:48
+0:12
25K
15.53 mi13:57:312:42:2210:2726:43
11:01
+0:13
30K
18.64 mi14:33:103:18:0110:3735:39
11:28
+0:27
20M
20.00 mi14:48:493:33:4010:4115:39
11:31
+0:03
21M
21.00 mi15:01:143:46:0510:4612:25
12:25
+0:54
35K
21.75 mi15:09:443:54:3510:478:30
11:22
-1:03
23M
23.00 mi15:23:534:08:4410:4914:09
11:18
-0:04
24M
24.00 mi15:35:004:19:5110:5011:07
11:07
-0:11
40K
24.85 mi15:44:334:29:2410:509:33
11:10
+0:03
25.2M
25.20 mi15:48:354:33:2610:514:02
11:42
+0:32
Finish
26.22 mi15:59:224:44:1310:5110:47
10:35
-1:07

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

10:02 /mi

Average Pace

10:51 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:26

52% of race

Time at Steady Pace

1:10:02

25% of race

Time at Slower Pace

1:07:45

24% of race

Average Pace: 10:50 /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 mi11:46:2031:1110:0231:11
10:02
#23536
10K
6.21 mi12:18:091:03:0010:0831:49
10:14
#23929
15K
9.32 mi12:50:301:35:2110:1432:21
10:25
#24078
20K
12.43 mi13:23:262:08:1710:1932:56
10:36
#24065
Half
13.11 mi13:30:482:15:3910:217:22
10:48
#24101
25K
15.53 mi13:57:312:42:2210:2726:43
11:01
#24081
30K
18.64 mi14:33:103:18:0110:3735:39
11:28
#24024
20M
20.00 mi14:48:493:33:4010:4115:39
11:31
#24010
21M
21.00 mi15:01:143:46:0510:4612:25
12:25
#23979
35K
21.75 mi15:09:443:54:3510:478:30
11:22
#23986
23M
23.00 mi15:23:534:08:4410:4914:09
11:18
#23938
24M
24.00 mi15:35:004:19:5110:5011:07
11:07
#23918
40K
24.85 mi15:44:334:29:2410:509:33
11:10
#23868
25.2M
25.20 mi15:48:354:33:2610:514:02
11:42
#23840
Finish
26.22 mi15:59:224:44:1310:5110:47
10:35
#23827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi235369662966224302(Top 91%)10056(Top 88%)10056(Top 206%)
10K6.21 mi3.10 mi23929-3939856-1949856-19424212(Top 91%)10006(Top 88%)10006(Top 205%)
15K9.32 mi3.11 mi24078-1499936-809936-8024302(Top 91%)10056(Top 88%)10056(Top 206%)
20K12.43 mi3.11 mi24065+139930+69930+624014(Top 90%)9915(Top 87%)9915(Top 203%)
Half13.11 mi0.68 mi24101-369957-279957-2724674(Top 93%)10301(Top 90%)10301(Top 211%)
25K15.53 mi2.42 mi24081+209951+69951+624015(Top 90%)9961(Top 87%)9961(Top 204%)
30K18.64 mi3.11 mi24024+579933+189933+1823828(Top 90%)9917(Top 87%)9917(Top 203%)
20M20.00 mi1.36 mi24010+149932+19932+123550(Top 88%)9816(Top 86%)9816(Top 201%)
21M21.00 mi1.00 mi23979+319928+49928+423358(Top 88%)9739(Top 85%)9739(Top 199%)
35K21.75 mi0.75 mi23986-79939-119939-1123908(Top 90%)10082(Top 88%)10082(Top 206%)
23M23.00 mi1.25 mi23938+489917+229917+2222902(Top 86%)9538(Top 83%)9538(Top 195%)
24M24.00 mi1.00 mi23918+209919-29919-223276(Top 87%)9788(Top 86%)9788(Top 200%)
40K24.85 mi0.85 mi23868+509898+219898+2122696(Top 85%)9502(Top 83%)9502(Top 195%)
25.2M25.20 mi0.35 mi23840+289882+169882+1621988(Top 83%)9131(Top 80%)9131(Top 187%)
Finish26.22 mi1.02 mi23827+139882988223179(Top 87%)9739(Top 85%)9739(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24302

Females

10056

F18-39

10056

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24212

Females

10006

F18-39

10006

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24302

Females

10056

F18-39

10056

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

24014

Females

9915

F18-39

9915

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24674

Females

10301

F18-39

10301

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

24015

Females

9961

F18-39

9961

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23828

Females

9917

F18-39

9917

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23550

Females

9816

F18-39

9816

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23358

Females

9739

F18-39

9739

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23908

Females

10082

F18-39

10082

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22902

Females

9538

F18-39

9538

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23276

Females

9788

F18-39

9788

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22696

Females

9502

F18-39

9502

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21988

Females

9131

F18-39

9131

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23179

Females

9739

F18-39

9739

Passing Analysis

Category:
Athletes Passed
841
Passed By
1132
Net Change
-291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23536
5K → 10K68461-393#23536#23929
10K → 15K65214-149#23929#24078
15K → 20K11097+13#24078#24065
20K → Half1450-36#24065#24101
Half → 25K10888+20#24101#24081
25K → 30K12467+57#24081#24024
30K → 20M5743+14#24024#24010
20M → 21M5423+31#24010#23979
21M → 35K2633-7#23979#23986
35K → 23M6315+48#23986#23938
23M → 24M3616+20#23938#23918
24M → 40K566+50#23918#23868
40K → 25.2M324+28#23868#23840
25.2M → Finish2815+13#23840#23827
TOTALS8411132-291
📊

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