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BOSTON MARATHON 2023

Lu Wang

Bib: 31742•F

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:42/mi
33:15
↑ 97↓ 3451.5%
10K· 6.21 mi
10:37/mi
1:06:14
↑ 79↓ 1380.4%
15K· 9.32 mi
10:16/mi
1:38:07
↑ 67↓ 78
20K· 12.43 mi
11:35/mi
2:14:06
↑ 106↓ 860.1%
Half· 13.11 mi
11:46/mi
2:22:08
↑ 19↓ 370.5%
25K· 15.53 mi
12:51/mi
2:53:18
↑ 66↓ 880.2%
30K· 18.64 mi
14:11/mi
3:37:23
↑ 181↓ 1480.2%
20M
14:31/mi
3:57:07
↑ 64↓ 500.2%
21M
17:47/mi
4:14:54
↑ 106↓ 241.6%
35K· 21.75 mi
16:56/mi
4:27:34
↑ 17↓ 861.7%
23M
13:53/mi
4:44:57
↑ 23↓ 630.6%
24M
16:12/mi
5:01:09
↓ 821.3%
40K· 24.85 mi
16:12/mi
5:15:00
↓ 200.3%
25.2M
16:46/mi
5:20:47
↑ 13↓ 160.2%
Finish· 26.22 mi
13:41/mi
5:34:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:08
Pace10:51 /mi
2nd Half
Distance13.11 mi
Time3:12:36
Pace14:42 /mi
📊Positive Split: 35.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2833:1510:4233:15
10:42
-
10K
6.21 mi12:25:271:06:1410:4032:59
10:37
-0:05
15K
9.32 mi12:57:201:38:0710:3231:53
10:16
-0:21
20K
12.43 mi13:33:192:14:0610:4735:59
11:35
+1:19
Half
13.11 mi13:41:212:22:0810:518:02
11:46
+0:11
25K
15.53 mi14:12:312:53:1811:0931:10
12:51
+1:05
30K
18.64 mi14:56:363:37:2311:4044:05
14:11
+1:20
20M
20.00 mi15:16:203:57:0711:5119:44
14:31
+0:20
21M
21.00 mi15:34:074:14:5412:0817:47
17:47
+3:16
35K
21.75 mi15:46:474:27:3412:1812:40
16:56
-0:51
23M
23.00 mi16:04:104:44:5712:2317:23
13:53
-3:03
24M
24.00 mi16:20:225:01:0912:3316:12
16:12
+2:19
40K
24.85 mi16:34:135:15:0012:4013:51
16:12
0:00
25.2M
25.20 mi16:40:005:20:4712:445:47
16:46
+0:34
Finish
26.22 mi16:53:575:34:4412:4713:57
13:41
-3:05

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

10:16 /mi

Average Pace

12:47 /mi

Slowest Pace

17:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:08

42% of race

Time at Steady Pace

2:06:19

38% of race

Time at Slower Pace

1:06:17

20% of race

Average Pace: 12:46 /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 mi11:52:2833:1510:4233:15
10:42
#25193
10K
6.21 mi12:25:271:06:1410:4032:59
10:37
#25020
15K
9.32 mi12:57:201:38:0710:3231:53
10:16
#24677
20K
12.43 mi13:33:192:14:0610:4735:59
11:35
#24909
Half
13.11 mi13:41:212:22:0810:518:02
11:46
#24967
25K
15.53 mi14:12:312:53:1811:0931:10
12:51
#25214
30K
18.64 mi14:56:363:37:2311:4044:05
14:11
#25487
20M
20.00 mi15:16:203:57:0711:5119:44
14:31
#25584
21M
21.00 mi15:34:074:14:5412:0817:47
17:47
#25707
35K
21.75 mi15:46:474:27:3412:1812:40
16:56
#25813
23M
23.00 mi16:04:104:44:5712:2317:23
13:53
#25820
24M
24.00 mi16:20:225:01:0912:3316:12
16:12
#25913
40K
24.85 mi16:34:135:15:0012:4013:51
16:12
#25967
25.2M
25.20 mi16:40:005:20:4712:445:47
16:46
#25986
Finish
26.22 mi16:53:575:34:4412:4713:57
13:41
#26013
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25193105421054224013(Top 90%)9898(Top 87%)9898(Top 203%)
10K6.21 mi3.10 mi25020+17310446+9610446+9624890(Top 93%)10382(Top 91%)10382(Top 213%)
15K9.32 mi3.11 mi24677+34310266+18010266+18024013(Top 90%)9898(Top 87%)9898(Top 203%)
20K12.43 mi3.11 mi24909-23210405-13910405-13925338(Top 95%)10682(Top 94%)10682(Top 219%)
Half13.11 mi0.68 mi24967-5810439-3410439-3425715(Top 97%)10912(Top 96%)10912(Top 223%)
25K15.53 mi2.42 mi25214-24710592-15310592-15325789(Top 97%)10955(Top 96%)10955(Top 224%)
30K18.64 mi3.11 mi25487-27310768-17610768-17626120(Top 98%)11158(Top 98%)11158(Top 228%)
20M20.00 mi1.36 mi25584-9710825-5710825-5726112(Top 98%)11184(Top 98%)11184(Top 229%)
21M21.00 mi1.00 mi25707-12310895-7010895-7026533(Top 100%)11378(Top 100%)11378(Top 233%)
35K21.75 mi0.75 mi25813-10610956-6110956-6126565(Top 100%)11401(Top 100%)11401(Top 233%)
23M23.00 mi1.25 mi25820-710964-810964-825756(Top 97%)11026(Top 97%)11026(Top 226%)
24M24.00 mi1.00 mi25913-9311019-5511019-5526541(Top 100%)11394(Top 100%)11394(Top 233%)
40K24.85 mi0.85 mi25967-5411049-3011049-3026453(Top 99%)11361(Top 99%)11361(Top 233%)
25.2M25.20 mi0.35 mi25986-1911062-1311062-1326328(Top 99%)11319(Top 99%)11319(Top 232%)
Finish26.22 mi1.02 mi26013-2711083-2111083-2126268(Top 99%)11299(Top 99%)11299(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

24013

Females

9898

F18-39

9898

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24890

Females

10382

F18-39

10382

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

24013

Females

9898

F18-39

9898

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25338

Females

10682

F18-39

10682

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25715

Females

10912

F18-39

10912

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25789

Females

10955

F18-39

10955

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26120

Females

11158

F18-39

11158

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26112

Females

11184

F18-39

11184

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26533

Females

11378

F18-39

11378

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

26565

Females

11401

F18-39

11401

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25756

Females

11026

F18-39

11026

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26541

Females

11394

F18-39

11394

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26453

Females

11361

F18-39

11361

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26328

Females

11319

F18-39

11319

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26268

Females

11299

F18-39

11299

Passing Analysis

Category:
Athletes Passed
742
Passed By
1562
Net Change
-820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25193
5K → 10K274101+173#25193#25020
10K → 15K3529+343#25020#24677
15K → 20K38270-232#24677#24909
20K → Half563-58#24909#24967
Half → 25K20267-247#24967#25214
25K → 30K18291-273#25214#25487
30K → 20M9106-97#25487#25584
20M → 21M0123-123#25584#25707
21M → 35K3109-106#25707#25813
35K → 23M1421-7#25813#25820
23M → 24M093-93#25820#25913
24M → 40K357-54#25913#25967
40K → 25.2M221-19#25967#25986
25.2M → Finish431-27#25986#26013
TOTALS7421562-820
📊

Passing Visuals

Category:
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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