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BOSTON MARATHON 2023

Leilani Wei

Bib: 22969•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:21
Rank: #21938
Start → 5K
29:21 | 9:27/mi
10K· 6.21 mi
59:50
Rank: #22692 (-754)
5K → 10K
30:29 | 9:49/mi
15K· 9.32 mi
1:28:53
Rank: #22413 (+279)
10K → 15K
29:03 | 9:21/mi
20K· 12.43 mi
1:58:31
Rank: #22226 (+187)
15K → 20K
29:38 | 9:32/mi
Half· 13.11 mi
2:04:48
Rank: #22175 (+51)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:28:39
Rank: #22088 (+87)
Half → 25K
23:51 | 9:50/mi
30K· 18.64 mi
2:59:43
Rank: #21900 (+188)
25K → 30K
31:04 | 10:00/mi
20M
3:13:43
Rank: #21832 (+68)
30K → 20M
14:00 | 10:18/mi
21M
3:24:58
Rank: #21822 (+10)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:32:01
Rank: #21753 (+69)
21M → 35K
7:03 | 9:25/mi
23M
3:45:20
Rank: #21738 (+15)
35K → 23M
13:19 | 10:38/mi
24M
3:55:10
Rank: #21689 (+49)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
4:03:49
Rank: #21641 (+48)
24M → 40K
8:39 | 10:07/mi
25.2M
4:08:00
Rank: #21667 (-26)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:18:15
Rank: #21661 (+6)
25.2M → Finish
10:15 | 10:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:48
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:13:27
Pace10:11 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2929:219:2729:21
9:27
-
10K
6.21 mi11:57:5859:509:3830:29
9:49
+0:22
15K
9.32 mi12:27:011:28:539:3229:03
9:21
-0:28
20K
12.43 mi12:56:391:58:319:3229:38
9:32
+0:11
Half
13.11 mi13:02:562:04:489:316:17
9:13
-0:19
25K
15.53 mi13:26:472:28:399:3423:51
9:50
+0:37
30K
18.64 mi13:57:512:59:439:3831:04
10:00
+0:10
20M
20.00 mi14:11:513:13:439:4114:00
10:18
+0:18
21M
21.00 mi14:23:063:24:589:4611:15
11:15
+0:57
35K
21.75 mi14:30:093:32:019:457:03
9:25
-1:50
23M
23.00 mi14:43:283:45:209:4813:19
10:38
+1:13
24M
24.00 mi14:53:183:55:109:489:50
9:50
-0:48
40K
24.85 mi15:01:574:03:499:498:39
10:07
+0:17
25.2M
25.20 mi15:06:084:08:009:504:11
12:08
+2:01
Finish
26.22 mi15:16:234:18:159:5110:15
10:04
-2:04

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

9:13 /mi

Average Pace

9:51 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:44

28% of race

Time at Steady Pace

2:23:46

56% of race

Time at Slower Pace

42:45

17% of race

Average Pace: 9:51 /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 mi11:27:2929:219:2729:21
9:27
#21938
10K
6.21 mi11:57:5859:509:3830:29
9:49
#22692
15K
9.32 mi12:27:011:28:539:3229:03
9:21
#22413
20K
12.43 mi12:56:391:58:319:3229:38
9:32
#22226
Half
13.11 mi13:02:562:04:489:316:17
9:13
#22175
25K
15.53 mi13:26:472:28:399:3423:51
9:50
#22088
30K
18.64 mi13:57:512:59:439:3831:04
10:00
#21900
20M
20.00 mi14:11:513:13:439:4114:00
10:18
#21832
21M
21.00 mi14:23:063:24:589:4611:15
11:15
#21822
35K
21.75 mi14:30:093:32:019:457:03
9:25
#21753
23M
23.00 mi14:43:283:45:209:4813:19
10:38
#21738
24M
24.00 mi14:53:183:55:109:489:50
9:50
#21689
40K
24.85 mi15:01:574:03:499:498:39
10:07
#21641
25.2M
25.20 mi15:06:084:08:009:504:11
12:08
#21667
Finish
26.22 mi15:16:234:18:159:5110:15
10:04
#21661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi219388853885321816(Top 82%)8683(Top 76%)8683(Top 719%)
10K6.21 mi3.10 mi22692-7549194-3419194-34123297(Top 88%)9506(Top 83%)9506(Top 788%)
15K9.32 mi3.11 mi22413+2799049+1459049+14521816(Top 82%)8683(Top 76%)8683(Top 719%)
20K12.43 mi3.11 mi22226+1878951+988951+9821677(Top 81%)8613(Top 75%)8613(Top 714%)
Half13.11 mi0.68 mi22175+518925+268925+2621231(Top 80%)8379(Top 73%)8379(Top 694%)
25K15.53 mi2.42 mi22088+878874+518874+5121834(Top 82%)8743(Top 77%)8743(Top 724%)
30K18.64 mi3.11 mi21900+1888781+938781+9321035(Top 79%)8367(Top 73%)8367(Top 693%)
20M20.00 mi1.36 mi21832+688748+338748+3321281(Top 80%)8570(Top 75%)8570(Top 710%)
21M21.00 mi1.00 mi21822+108752-48752-421384(Top 80%)8675(Top 76%)8675(Top 719%)
35K21.75 mi0.75 mi21753+698726+268726+2619660(Top 74%)7745(Top 68%)7745(Top 642%)
23M23.00 mi1.25 mi21738+158736-108736-1021634(Top 81%)8866(Top 78%)8866(Top 735%)
24M24.00 mi1.00 mi21689+498720+168720+1620344(Top 76%)8180(Top 72%)8180(Top 678%)
40K24.85 mi0.85 mi21641+488699+218699+2120306(Top 76%)8227(Top 72%)8227(Top 682%)
25.2M25.20 mi0.35 mi21667-268726-278726-2722741(Top 85%)9518(Top 83%)9518(Top 789%)
Finish26.22 mi1.02 mi21661+68725+18725+121930(Top 82%)9081(Top 79%)9081(Top 752%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21816

Females

8683

F50-54

8683

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23297

Females

9506

F50-54

9506

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21816

Females

8683

F50-54

8683

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21677

Females

8613

F50-54

8613

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21231

Females

8379

F50-54

8379

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21834

Females

8743

F50-54

8743

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21035

Females

8367

F50-54

8367

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21281

Females

8570

F50-54

8570

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21384

Females

8675

F50-54

8675

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19660

Females

7745

F50-54

7745

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21634

Females

8866

F50-54

8866

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20344

Females

8180

F50-54

8180

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20306

Females

8227

F50-54

8227

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22741

Females

9518

F50-54

9518

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21930

Females

9081

F50-54

9081

Passing Analysis

Category:
Athletes Passed
1522
Passed By
1245
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21938
5K → 10K46800-754#21938#22692
10K → 15K31637+279#22692#22413
15K → 20K24356+187#22413#22226
20K → Half554+51#22226#22175
Half → 25K14255+87#22175#22088
25K → 30K24456+188#22088#21900
30K → 20M9931+68#21900#21832
20M → 21M6050+10#21832#21822
21M → 35K734+69#21822#21753
35K → 23M6853+15#21753#21738
23M → 24M6516+49#21738#21689
24M → 40K6214+48#21689#21641
40K → 25.2M1440-26#21641#21667
25.2M → Finish3529+6#21667#21661
TOTALS15221245+277
📊

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