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BOSTON MARATHON 2023

Anne Wester

Bib: 2147•F

FL

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Female)
#0 / 11423
Top 0.4%
Age Group (F18-39)
#0 / 4884
Top 0.8%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:14
Rank: #1114
Start → 5K
19:14 | 6:11/mi
10K· 6.21 mi
37:55
Rank: #978 (+136)
5K → 10K
18:41 | 6:01/mi
15K· 9.32 mi
56:46
Rank: #938 (+40)
10K → 15K
18:51 | 6:04/mi
20K· 12.43 mi
1:15:48
Rank: #911 (+27)
15K → 20K
19:02 | 6:08/mi
Half· 13.11 mi
1:19:57
Rank: #914 (-3)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:34:50
Rank: #887 (+27)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:54:24
Rank: #871 (+16)
25K → 30K
19:34 | 6:18/mi
20M
2:03:01
Rank: #857 (+14)
30K → 20M
8:37 | 6:20/mi
21M
2:09:44
Rank: #859 (-2)
20M → 21M
6:43 | 6:43/mi
35K· 21.75 mi
2:14:18
Rank: #854 (+5)
21M → 35K
4:34 | 6:06/mi
23M
2:22:14
Rank: #839 (+15)
35K → 23M
7:56 | 6:20/mi
24M
2:28:24
Rank: #830 (+9)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:33:52
Rank: #823 (+7)
24M → 40K
5:28 | 6:24/mi
25.2M
2:36:16
Rank: #823
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:42:45
Rank: #837 (-14)
25.2M → Finish
6:29 | 6:22/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:19:57
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0219:146:1119:14
6:11
-
10K
6.21 mi10:38:4337:556:0618:41
6:01
-0:10
15K
9.32 mi10:57:3456:466:0518:51
6:04
+0:03
20K
12.43 mi11:16:361:15:486:0619:02
6:08
+0:04
Half
13.11 mi11:20:451:19:576:064:09
6:05
-0:03
25K
15.53 mi11:35:381:34:506:0614:53
6:08
+0:03
30K
18.64 mi11:55:121:54:246:0819:34
6:18
+0:10
20M
20.00 mi12:03:492:03:016:098:37
6:20
+0:02
21M
21.00 mi12:10:322:09:446:116:43
6:43
+0:23
35K
21.75 mi12:15:062:14:186:114:34
6:06
-0:37
23M
23.00 mi12:23:022:22:146:117:56
6:20
+0:14
24M
24.00 mi12:29:122:28:246:116:10
6:10
-0:10
40K
24.85 mi12:34:402:33:526:115:28
6:24
+0:14
25.2M
25.20 mi12:37:042:36:166:122:24
6:58
+0:34
Finish
26.22 mi12:43:332:42:456:136:29
6:22
-0:36

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:01 /mi

Average Pace

6:13 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:33:38

94% of race

Time at Steady Pace

9:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:0219:146:1119:14
6:11
#1114
10K
6.21 mi10:38:4337:556:0618:41
6:01
#978
15K
9.32 mi10:57:3456:466:0518:51
6:04
#938
20K
12.43 mi11:16:361:15:486:0619:02
6:08
#911
Half
13.11 mi11:20:451:19:576:064:09
6:05
#914
25K
15.53 mi11:35:381:34:506:0614:53
6:08
#887
30K
18.64 mi11:55:121:54:246:0819:34
6:18
#871
20M
20.00 mi12:03:492:03:016:098:37
6:20
#857
21M
21.00 mi12:10:322:09:446:116:43
6:43
#859
35K
21.75 mi12:15:062:14:186:114:34
6:06
#854
23M
23.00 mi12:23:022:22:146:117:56
6:20
#839
24M
24.00 mi12:29:122:28:246:116:10
6:10
#830
40K
24.85 mi12:34:402:33:526:115:28
6:24
#823
25.2M
25.20 mi12:37:042:36:166:122:24
6:58
#823
Finish
26.22 mi12:43:332:42:456:136:29
6:22
#837
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11146060881(Top 3%)47(Top 0.4%)47(Top 1.0%)
10K6.21 mi3.10 mi978+13654+654+6840(Top 3%)46(Top 0.4%)46(Top 0.9%)
15K9.32 mi3.11 mi938+4050+450+4881(Top 3%)47(Top 0.4%)47(Top 1.0%)
20K12.43 mi3.11 mi911+2748+248+2854(Top 3%)44(Top 0.4%)44(Top 0.9%)
Half13.11 mi0.68 mi914-348481001(Top 4%)47(Top 0.4%)47(Top 1.0%)
25K15.53 mi2.42 mi887+2747+147+1841(Top 3%)44(Top 0.4%)44(Top 0.9%)
30K18.64 mi3.11 mi871+164747912(Top 3%)44(Top 0.4%)44(Top 0.9%)
20M20.00 mi1.36 mi857+1445+245+2986(Top 4%)44(Top 0.4%)44(Top 0.9%)
21M21.00 mi1.00 mi859-245451161(Top 4%)54(Top 0.5%)54(Top 1%)
35K21.75 mi0.75 mi854+54545975(Top 4%)49(Top 0.4%)49(Top 1%)
23M23.00 mi1.25 mi839+154545943(Top 4%)46(Top 0.4%)46(Top 0.9%)
24M24.00 mi1.00 mi830+94545936(Top 4%)50(Top 0.4%)50(Top 1%)
40K24.85 mi0.85 mi823+745451207(Top 5%)66(Top 0.6%)66(Top 1%)
25.2M25.20 mi0.35 mi82344+144+11687(Top 6%)97(Top 0.8%)97(Top 2%)
Finish26.22 mi1.02 mi837-1444441890(Top 7%)122(Top 1%)122(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

881

Females

47

F18-39

47

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

840

Females

46

F18-39

46

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

881

Females

47

F18-39

47

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

854

Females

44

F18-39

44

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1001

Females

47

F18-39

47

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

841

Females

44

F18-39

44

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

912

Females

44

F18-39

44

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

986

Females

44

F18-39

44

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1161

Females

54

F18-39

54

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

975

Females

49

F18-39

49

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

943

Females

46

F18-39

46

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

936

Females

50

F18-39

50

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1207

Females

66

F18-39

66

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1687

Females

97

F18-39

97

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1890

Females

122

F18-39

122

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
438
Passed By
161
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1114
5K → 10K1437+136#1114#978
10K → 15K5313+40#978#938
15K → 20K4619+27#938#911
20K → Half58-3#911#914
Half → 25K3710+27#914#887
25K → 30K3620+16#887#871
30K → 20M206+14#871#857
20M → 21M1719-2#857#859
21M → 35K105+5#859#854
35K → 23M205+15#854#839
23M → 24M167+9#839#830
24M → 40K169+7#830#823
40K → 25.2M660#823#823
25.2M → Finish1327-14#823#837
TOTALS438161+277
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing