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BOSTON MARATHON 2025

Yingsheng Li

Bib: 24244•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:41
Rank: #22046
Start → 5K
27:41 | 8:55/mi
10K· 6.21 mi
55:39
Rank: #22235 (-189)
5K → 10K
27:58 | 9:00/mi
15K· 9.32 mi
1:23:56
Rank: #22299 (-64)
10K → 15K
28:17 | 9:06/mi
20K· 12.43 mi
1:52:13
Rank: #22063 (+236)
15K → 20K
28:17 | 9:06/mi
Half· 13.11 mi
1:58:20
Rank: #22037 (+26)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:20:50
Rank: #21876 (+161)
Half → 25K
22:30 | 9:17/mi
30K· 18.64 mi
2:50:58
Rank: #21630 (+246)
25K → 30K
30:08 | 9:42/mi
20M
3:04:02
Rank: #21469 (+161)
30K → 20M
13:04 | 9:37/mi
21M
3:14:48
Rank: #21427 (+42)
20M → 21M
10:46 | 10:46/mi
35K· 21.75 mi
3:21:57
Rank: #21401 (+26)
21M → 35K
7:09 | 9:33/mi
23M
3:34:45
Rank: #21377 (+24)
35K → 23M
12:48 | 10:13/mi
24M
3:45:06
Rank: #21427 (-50)
23M → 24M
10:21 | 10:21/mi
40K· 24.85 mi
3:54:10
Rank: #21464 (-37)
24M → 40K
9:04 | 10:36/mi
25.2M
3:58:31
Rank: #21525 (-61)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:09:01
Rank: #21612 (-87)
25.2M → Finish
10:30 | 10:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:20
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:10:41
Pace9:58 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5427:418:5527:41
8:55
-
10K
6.21 mi11:52:5255:398:5727:58
9:00
+0:05
15K
9.32 mi12:21:091:23:569:0028:17
9:06
+0:06
20K
12.43 mi12:49:261:52:139:0228:17
9:06
0:00
Half
13.11 mi12:55:331:58:209:026:07
8:58
-0:08
25K
15.53 mi13:18:032:20:509:0422:30
9:17
+0:19
30K
18.64 mi13:48:112:50:589:1030:08
9:42
+0:25
20M
20.00 mi14:01:153:04:029:1213:04
9:37
-0:05
21M
21.00 mi14:12:013:14:489:1710:46
10:46
+1:09
35K
21.75 mi14:19:103:21:579:177:09
9:33
-1:13
23M
23.00 mi14:31:583:34:459:2012:48
10:13
+0:40
24M
24.00 mi14:42:193:45:069:2310:21
10:21
+0:08
40K
24.85 mi14:51:233:54:109:259:04
10:36
+0:15
25.2M
25.20 mi14:55:443:58:319:284:21
12:37
+2:01
Finish
26.22 mi15:06:144:09:019:3010:30
10:18
-2:19

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

8:55 /mi

Average Pace

9:30 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:20

48% of race

Time at Steady Pace

1:12:51

29% of race

Time at Slower Pace

57:50

23% of race

Average Pace: 9:30 /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 mi11:24:5427:418:5527:41
8:55
#22046
10K
6.21 mi11:52:5255:398:5727:58
9:00
#22235
15K
9.32 mi12:21:091:23:569:0028:17
9:06
#22299
20K
12.43 mi12:49:261:52:139:0228:17
9:06
#22063
Half
13.11 mi12:55:331:58:209:026:07
8:58
#22037
25K
15.53 mi13:18:032:20:509:0422:30
9:17
#21876
30K
18.64 mi13:48:112:50:589:1030:08
9:42
#21630
20M
20.00 mi14:01:153:04:029:1213:04
9:37
#21469
21M
21.00 mi14:12:013:14:489:1710:46
10:46
#21427
35K
21.75 mi14:19:103:21:579:177:09
9:33
#21401
23M
23.00 mi14:31:583:34:459:2012:48
10:13
#21377
24M
24.00 mi14:42:193:45:069:2310:21
10:21
#21427
40K
24.85 mi14:51:233:54:109:259:04
10:36
#21464
25.2M
25.20 mi14:55:443:58:319:284:21
12:37
#21525
Finish
26.22 mi15:06:144:09:019:3010:30
10:18
#21612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi220468652865222471(Top 79%)8816(Top 72%)8816(Top 887%)
10K6.21 mi3.10 mi22235-1898746-948746-9422398(Top 79%)8812(Top 72%)8812(Top 887%)
15K9.32 mi3.11 mi22299-648754-88754-822471(Top 79%)8816(Top 72%)8816(Top 887%)
20K12.43 mi3.11 mi22063+2368632+1228632+12221469(Top 76%)8302(Top 68%)8302(Top 835%)
Half13.11 mi0.68 mi22037+268617+158617+1521713(Top 76%)8432(Top 69%)8432(Top 848%)
25K15.53 mi2.42 mi21876+1618541+768541+7621109(Top 74%)8158(Top 67%)8158(Top 821%)
30K18.64 mi3.11 mi21630+2468421+1208421+12020697(Top 73%)8050(Top 66%)8050(Top 810%)
20M20.00 mi1.36 mi21469+1618356+658356+6519689(Top 69%)7627(Top 62%)7627(Top 767%)
21M21.00 mi1.00 mi21427+428350+68350+620758(Top 73%)8322(Top 68%)8322(Top 837%)
35K21.75 mi0.75 mi21401+268352-28352-220552(Top 72%)8270(Top 68%)8270(Top 832%)
23M23.00 mi1.25 mi21377+248367-158367-1521207(Top 75%)8660(Top 71%)8660(Top 871%)
24M24.00 mi1.00 mi21427-508406-398406-3922406(Top 79%)9342(Top 76%)9342(Top 940%)
40K24.85 mi0.85 mi21464-378452-468452-4622209(Top 78%)9310(Top 76%)9310(Top 937%)
25.2M25.20 mi0.35 mi21525-618496-448496-4424422(Top 86%)10380(Top 85%)10380(Top 1044%)
Finish26.22 mi1.02 mi21612-878564-688564-6823813(Top 84%)10075(Top 82%)10075(Top 1014%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22471

Females

8816

F55-59

8816

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22398

Females

8812

F55-59

8812

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22471

Females

8816

F55-59

8816

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21469

Females

8302

F55-59

8302

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21713

Females

8432

F55-59

8432

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21109

Females

8158

F55-59

8158

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20697

Females

8050

F55-59

8050

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19689

Females

7627

F55-59

7627

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20758

Females

8322

F55-59

8322

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20552

Females

8270

F55-59

8270

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21207

Females

8660

F55-59

8660

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22406

Females

9342

F55-59

9342

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22209

Females

9310

F55-59

9310

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24422

Females

10380

F55-59

10380

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23813

Females

10075

F55-59

10075

Passing Analysis

Category:
Athletes Passed
1808
Passed By
1374
Net Change
+434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22046
5K → 10K180369-189#22046#22235
10K → 15K166230-64#22235#22299
15K → 20K29963+236#22299#22063
20K → Half4115+26#22063#22037
Half → 25K22665+161#22037#21876
25K → 30K32781+246#21876#21630
30K → 20M19029+161#21630#21469
20M → 21M10260+42#21469#21427
21M → 35K6236+26#21427#21401
35K → 23M10682+24#21401#21377
23M → 24M3989-50#21377#21427
24M → 40K4077-37#21427#21464
40K → 25.2M768-61#21464#21525
25.2M → Finish23110-87#21525#21612
TOTALS18081374+434
📊

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