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BOSTON MARATHON 2023

Lucy Li

Bib: 24291•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:28
Rank: #21099
Start → 5K
28:28 | 9:10/mi
10K· 6.21 mi
1:00:34
Rank: #23033 (-1934)
5K → 10K
32:06 | 10:20/mi
15K· 9.32 mi
1:34:01
Rank: #23778 (-745)
10K → 15K
33:27 | 10:46/mi
20K· 12.43 mi
2:09:37
Rank: #24291 (-513)
15K → 20K
35:36 | 11:28/mi
Half· 13.11 mi
2:16:48
Rank: #24293 (-2)
20K → Half
7:11 | 10:32/mi
25K· 15.53 mi
2:44:37
Rank: #24347 (-54)
Half → 25K
27:49 | 11:28/mi
30K· 18.64 mi
3:19:24
Rank: #24159 (+188)
25K → 30K
34:47 | 11:12/mi
20M
3:35:18
Rank: #24145 (+14)
30K → 20M
15:54 | 11:42/mi
21M
3:48:07
Rank: #24139 (+6)
20M → 21M
12:49 | 12:49/mi
35K· 21.75 mi
3:55:42
Rank: #24073 (+66)
21M → 35K
7:35 | 10:08/mi
23M
4:10:39
Rank: #24061 (+12)
35K → 23M
14:57 | 11:56/mi
24M
4:22:21
Rank: #24071 (-10)
23M → 24M
11:42 | 11:42/mi
40K· 24.85 mi
4:32:37
Rank: #24060 (+11)
24M → 40K
10:16 | 12:00/mi
25.2M
4:36:50
Rank: #24053 (+7)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:47:48
Rank: #24043 (+10)
25.2M → Finish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:48
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:31:00
Pace11:31 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4628:289:1028:28
9:10
-
10K
6.21 mi12:15:521:00:349:4532:06
10:20
+1:10
15K
9.32 mi12:49:191:34:0110:0533:27
10:46
+0:26
20K
12.43 mi13:24:552:09:3710:2635:36
11:28
+0:42
Half
13.11 mi13:32:062:16:4810:267:11
10:32
-0:56
25K
15.53 mi13:59:552:44:3710:3627:49
11:28
+0:56
30K
18.64 mi14:34:423:19:2410:4234:47
11:12
-0:16
20M
20.00 mi14:50:363:35:1810:4615:54
11:42
+0:30
21M
21.00 mi15:03:253:48:0710:5212:49
12:49
+1:07
35K
21.75 mi15:11:003:55:4210:507:35
10:08
-2:41
23M
23.00 mi15:25:574:10:3910:5414:57
11:56
+1:48
24M
24.00 mi15:37:394:22:2110:5611:42
11:42
-0:14
40K
24.85 mi15:47:554:32:3710:5810:16
12:00
+0:18
25.2M
25.20 mi15:52:084:36:5010:594:13
12:14
+0:14
Finish
26.22 mi16:03:064:47:4810:5910:58
10:46
-1:28

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

9:10 /mi

Average Pace

10:59 /mi

Slowest Pace

12:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:45

42% of race

Time at Steady Pace

2:05:48

44% of race

Time at Slower Pace

42:15

15% of race

Average Pace: 10:59 /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 mi11:43:4628:289:1028:28
9:10
#21099
10K
6.21 mi12:15:521:00:349:4532:06
10:20
#23033
15K
9.32 mi12:49:191:34:0110:0533:27
10:46
#23778
20K
12.43 mi13:24:552:09:3710:2635:36
11:28
#24291
Half
13.11 mi13:32:062:16:4810:267:11
10:32
#24293
25K
15.53 mi13:59:552:44:3710:3627:49
11:28
#24347
30K
18.64 mi14:34:423:19:2410:4234:47
11:12
#24159
20M
20.00 mi14:50:363:35:1810:4615:54
11:42
#24145
21M
21.00 mi15:03:253:48:0710:5212:49
12:49
#24139
35K
21.75 mi15:11:003:55:4210:507:35
10:08
#24073
23M
23.00 mi15:25:574:10:3910:5414:57
11:56
#24061
24M
24.00 mi15:37:394:22:2110:5611:42
11:42
#24071
40K
24.85 mi15:47:554:32:3710:5810:16
12:00
#24060
25.2M
25.20 mi15:52:084:36:5010:594:13
12:14
#24053
Finish
26.22 mi16:03:064:47:4810:5910:58
10:46
#24043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi210998426842624892(Top 94%)10403(Top 91%)10403(Top 1974%)
10K6.21 mi3.10 mi23033-19349383-9579383-95724360(Top 92%)10093(Top 88%)10093(Top 1915%)
15K9.32 mi3.11 mi23778-7459767-3849767-38424892(Top 94%)10403(Top 91%)10403(Top 1974%)
20K12.43 mi3.11 mi24291-51310057-29010057-29025193(Top 95%)10595(Top 93%)10595(Top 2010%)
Half13.11 mi0.68 mi24293-210058-110058-124270(Top 91%)10074(Top 88%)10074(Top 1912%)
25K15.53 mi2.42 mi24347-5410101-4310101-4324626(Top 93%)10296(Top 90%)10296(Top 1954%)
30K18.64 mi3.11 mi24159+18810012+8910012+8923415(Top 88%)9690(Top 85%)9690(Top 1839%)
20M20.00 mi1.36 mi24145+1410018-610018-623816(Top 89%)9974(Top 87%)9974(Top 1893%)
21M21.00 mi1.00 mi24139+610026-810026-823861(Top 90%)10015(Top 88%)10015(Top 1900%)
35K21.75 mi0.75 mi24073+669991+359991+3521658(Top 81%)8864(Top 78%)8864(Top 1682%)
23M23.00 mi1.25 mi24061+129994-39994-323927(Top 90%)10082(Top 88%)10082(Top 1913%)
24M24.00 mi1.00 mi24071-1010009-1510009-1524134(Top 91%)10235(Top 90%)10235(Top 1942%)
40K24.85 mi0.85 mi24060+1110008+110008+123909(Top 90%)10134(Top 89%)10134(Top 1923%)
25.2M25.20 mi0.35 mi24053+710006+210006+222894(Top 86%)9607(Top 84%)9607(Top 1823%)
Finish26.22 mi1.02 mi24043+1010003+310003+323549(Top 88%)9935(Top 87%)9935(Top 1885%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

24892

Females

10403

F60-64

10403

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24360

Females

10093

F60-64

10093

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

24892

Females

10403

F60-64

10403

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25193

Females

10595

F60-64

10595

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24270

Females

10074

F60-64

10074

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24626

Females

10296

F60-64

10296

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23415

Females

9690

F60-64

9690

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23816

Females

9974

F60-64

9974

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

23861

Females

10015

F60-64

10015

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21658

Females

8864

F60-64

8864

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

23927

Females

10082

F60-64

10082

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24134

Females

10235

F60-64

10235

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23909

Females

10134

F60-64

10134

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22894

Females

9607

F60-64

9607

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23549

Females

9935

F60-64

9935

Passing Analysis

Category:
Athletes Passed
653
Passed By
3597
Net Change
-2944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21099
5K → 10K41938-1934#21099#23033
10K → 15K6751-745#23033#23778
15K → 20K17530-513#23778#24291
20K → Half2527-2#24291#24293
Half → 25K63117-54#24293#24347
25K → 30K23345+188#24347#24159
30K → 20M5945+14#24159#24145
20M → 21M4236+6#24145#24139
21M → 35K682+66#24139#24073
35K → 23M4230+12#24073#24061
23M → 24M2939-10#24061#24071
24M → 40K3019+11#24071#24060
40K → 25.2M103+7#24060#24053
25.2M → Finish2515+10#24053#24043
TOTALS6533597-2944
📊

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