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BOSTON MARATHON 2023

Dannie Wu

Bib: 20428•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F50-54)
#0 / 1207
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:54
Rank: #14128
Start → 5K
24:54 | 8:01/mi
10K· 6.21 mi
49:22
Rank: #13952 (+176)
5K → 10K
24:28 | 7:53/mi
15K· 9.32 mi
1:13:56
Rank: #13842 (+110)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:38:45
Rank: #13668 (+174)
15K → 20K
24:49 | 7:59/mi
Half· 13.11 mi
1:44:02
Rank: #13597 (+71)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:03:20
Rank: #13384 (+213)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:28:44
Rank: #13134 (+250)
25K → 30K
25:24 | 8:11/mi
20M
2:39:48
Rank: #12968 (+166)
30K → 20M
11:04 | 8:09/mi
21M
2:48:20
Rank: #12782 (+186)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:54:10
Rank: #12688 (+94)
21M → 35K
5:50 | 7:48/mi
23M
3:04:03
Rank: #12463 (+225)
35K → 23M
9:53 | 7:54/mi
24M
3:11:59
Rank: #12372 (+91)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:18:58
Rank: #12322 (+50)
24M → 40K
6:59 | 8:10/mi
25.2M
3:21:52
Rank: #12270 (+52)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:29:37
Rank: #12134 (+136)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:02
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:45:35
Pace8:03 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3124:548:0124:54
8:01
-
10K
6.21 mi11:40:5949:227:5724:28
7:53
-0:08
15K
9.32 mi12:05:331:13:567:5624:34
7:54
+0:01
20K
12.43 mi12:30:221:38:457:5724:49
7:59
+0:05
Half
13.11 mi12:35:391:44:027:565:17
7:45
-0:14
25K
15.53 mi12:54:572:03:207:5619:18
7:58
+0:13
30K
18.64 mi13:20:212:28:447:5925:24
8:11
+0:13
20M
20.00 mi13:31:252:39:487:5911:04
8:09
-0:02
21M
21.00 mi13:39:572:48:208:018:32
8:32
+0:23
35K
21.75 mi13:45:472:54:108:015:50
7:48
-0:44
23M
23.00 mi13:55:403:04:038:009:53
7:54
+0:06
24M
24.00 mi14:03:363:11:598:007:56
7:56
+0:02
40K
24.85 mi14:10:353:18:588:006:59
8:10
+0:14
25.2M
25.20 mi14:13:293:21:528:012:54
8:25
+0:15
Finish
26.22 mi14:21:143:29:378:007:45
7:36
-0:49

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

7:36 /mi

Average Pace

8:00 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:11

95% of race

Time at Steady Pace

11:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:16:3124:548:0124:54
8:01
#14128
10K
6.21 mi11:40:5949:227:5724:28
7:53
#13952
15K
9.32 mi12:05:331:13:567:5624:34
7:54
#13842
20K
12.43 mi12:30:221:38:457:5724:49
7:59
#13668
Half
13.11 mi12:35:391:44:027:565:17
7:45
#13597
25K
15.53 mi12:54:572:03:207:5619:18
7:58
#13384
30K
18.64 mi13:20:212:28:447:5925:24
8:11
#13134
20M
20.00 mi13:31:252:39:487:5911:04
8:09
#12968
21M
21.00 mi13:39:572:48:208:018:32
8:32
#12782
35K
21.75 mi13:45:472:54:108:015:50
7:48
#12688
23M
23.00 mi13:55:403:04:038:009:53
7:54
#12463
24M
24.00 mi14:03:363:11:598:007:56
7:56
#12372
40K
24.85 mi14:10:353:18:588:006:59
8:10
#12322
25.2M
25.20 mi14:13:293:21:528:012:54
8:25
#12270
Finish
26.22 mi14:21:143:29:378:007:45
7:36
#12134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi141284106410613622(Top 51%)3846(Top 34%)3846(Top 319%)
10K6.21 mi3.10 mi13952+1764011+954011+9513777(Top 52%)3907(Top 34%)3907(Top 324%)
15K9.32 mi3.11 mi13842+1103961+503961+5013622(Top 51%)3846(Top 34%)3846(Top 319%)
20K12.43 mi3.11 mi13668+1743890+713890+7113313(Top 50%)3711(Top 32%)3711(Top 307%)
Half13.11 mi0.68 mi13597+713840+503840+5012298(Top 46%)3090(Top 27%)3090(Top 256%)
25K15.53 mi2.42 mi13384+2133736+1043736+10412412(Top 47%)3312(Top 29%)3312(Top 274%)
30K18.64 mi3.11 mi13134+2503629+1073629+10712168(Top 46%)3282(Top 29%)3282(Top 272%)
20M20.00 mi1.36 mi12968+1663548+813548+8111328(Top 43%)2902(Top 25%)2902(Top 240%)
21M21.00 mi1.00 mi12782+1863462+863462+8610702(Top 40%)2728(Top 24%)2728(Top 226%)
35K21.75 mi0.75 mi12688+943422+403422+4010697(Top 40%)2731(Top 24%)2731(Top 226%)
23M23.00 mi1.25 mi12463+2253306+1163306+1169084(Top 34%)2086(Top 18%)2086(Top 173%)
24M24.00 mi1.00 mi12372+913279+273279+2710808(Top 41%)2987(Top 26%)2987(Top 247%)
40K24.85 mi0.85 mi12322+503269+103269+1011167(Top 42%)3237(Top 28%)3237(Top 268%)
25.2M25.20 mi0.35 mi12270+523255+143255+149074(Top 34%)2300(Top 20%)2300(Top 191%)
Finish26.22 mi1.02 mi12134+1363202+533202+539342(Top 35%)2400(Top 21%)2400(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13622

Females

3846

F50-54

3846

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13777

Females

3907

F50-54

3907

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13622

Females

3846

F50-54

3846

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13313

Females

3711

F50-54

3711

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12298

Females

3090

F50-54

3090

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12412

Females

3312

F50-54

3312

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12168

Females

3282

F50-54

3282

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11328

Females

2902

F50-54

2902

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10702

Females

2728

F50-54

2728

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10697

Females

2731

F50-54

2731

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9084

Females

2086

F50-54

2086

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10808

Females

2987

F50-54

2987

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11167

Females

3237

F50-54

3237

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9074

Females

2300

F50-54

2300

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9342

Females

2400

F50-54

2400

Passing Analysis

Category:
Athletes Passed
2687
Passed By
693
Net Change
+1994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14128
5K → 10K387211+176#14128#13952
10K → 15K241131+110#13952#13842
15K → 20K26793+174#13842#13668
20K → Half776+71#13668#13597
Half → 25K24835+213#13597#13384
25K → 30K31868+250#13384#13134
30K → 20M19024+166#13134#12968
20M → 21M20620+186#12968#12782
21M → 35K1028+94#12782#12688
35K → 23M2338+225#12688#12463
23M → 24M11221+91#12463#12372
24M → 40K8636+50#12372#12322
40K → 25.2M608+52#12322#12270
25.2M → Finish16024+136#12270#12134
TOTALS2687693+1994
📊

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