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BOSTON MARATHON 2025

Weina Li

Bib: 8009•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Female)
#0 / 12228
Top 3%
Masters (Masters Women)
#0 / 6759
Top 0.6%
Division (F40-44)
#0 / 1718
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #5100
Start → 5K
6:39/mi
20:41 split
10K· 6.21 mi
41:27
Rank: #5122 (-22)
5K → 10K
6:41/mi
20:46 split
15K· 9.32 mi
1:02:16
Rank: #5072 (+50)
10K → 15K
6:42/mi
20:49 split
20K· 12.43 mi
1:23:01
Rank: #4828 (+244)
15K → 20K
6:41/mi
20:45 split
Half· 13.11 mi
1:27:31
Rank: #4792 (+36)
20K → Half
6:36/mi
4:30 split
25K· 15.53 mi
1:43:42
Rank: #4590 (+202)
Half → 25K
6:40/mi
16:11 split
30K· 18.64 mi
2:05:11
Rank: #4444 (+146)
25K → 30K
6:55/mi
21:29 split
20M
2:14:41
Rank: #4379 (+65)
30K → 20M
6:59/mi
9:30 split
21M
2:22:06
Rank: #4334 (+45)
20M → 21M
7:25/mi
7:25 split
35K· 21.75 mi
2:27:35
Rank: #4447 (-113)
21M → 35K
7:20/mi
5:29 split
23M
2:36:26
Rank: #4395 (+52)
35K → 23M
7:04/mi
8:51 split
24M
2:43:24
Rank: #4385 (+10)
23M → 24M
6:58/mi
6:58 split
40K· 24.85 mi
2:49:26
Rank: #4359 (+26)
24M → 40K
7:03/mi
6:02 split
25.2M
2:52:06
Rank: #4350 (+9)
40K → 25.2M
7:44/mi
2:40 split
Finish· 26.22 mi
2:59:04
Rank: #4380 (-30)
25.2M → Finish
6:50/mi
6:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:31
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:31:33
Pace6:59 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5920:416:3920:41
6:39
-
10K
6.21 mi10:48:4541:276:4020:46
6:41
+0:02
15K
9.32 mi11:09:341:02:166:4120:49
6:42
+0:01
20K
12.43 mi11:30:191:23:016:4120:45
6:41
-0:01
Half
13.11 mi11:34:491:27:316:414:30
6:36
-0:05
25K
15.53 mi11:51:001:43:426:4116:11
6:40
+0:04
30K
18.64 mi12:12:292:05:116:4321:29
6:55
+0:15
20M
20.00 mi12:21:592:14:416:449:30
6:59
+0:04
21M
21.00 mi12:29:242:22:066:467:25
7:25
+0:26
35K
21.75 mi12:34:532:27:356:475:29
7:20
-0:05
23M
23.00 mi12:43:442:36:266:488:51
7:04
-0:16
24M
24.00 mi12:50:422:43:246:496:58
6:58
-0:06
40K
24.85 mi12:56:442:49:266:496:02
7:03
+0:05
25.2M
25.20 mi12:59:242:52:066:502:40
7:44
+0:41
Finish
26.22 mi13:06:222:59:046:506:58
6:50
-0:54

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

6:36 /mi

Average Pace

6:50 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:30

91% of race

Time at Steady Pace

15:34

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:27:5920:416:3920:41
6:39
#5100
10K
6.21 mi10:48:4541:276:4020:46
6:41
#5122
15K
9.32 mi11:09:341:02:166:4120:49
6:42
#5072
20K
12.43 mi11:30:191:23:016:4120:45
6:41
#4828
Half
13.11 mi11:34:491:27:316:414:30
6:36
#4792
25K
15.53 mi11:51:001:43:426:4116:11
6:40
#4590
30K
18.64 mi12:12:292:05:116:4321:29
6:55
#4444
20M
20.00 mi12:21:592:14:416:449:30
6:59
#4379
21M
21.00 mi12:29:242:22:066:467:25
7:25
#4334
35K
21.75 mi12:34:532:27:356:475:29
7:20
#4447
23M
23.00 mi12:43:442:36:266:488:51
7:04
#4395
24M
24.00 mi12:50:422:43:246:496:58
6:58
#4385
40K
24.85 mi12:56:442:49:266:496:02
7:03
#4359
25.2M
25.20 mi12:59:242:52:066:502:40
7:44
#4350
Finish
26.22 mi13:06:222:59:046:506:58
6:50
#4380
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi51003313315101(Top 18%)360(Top 3%)360(Top 21%)
10K6.21 mi3.10 mi5122-22341-10341-105231(Top 18%)366(Top 3%)366(Top 21%)
15K9.32 mi3.11 mi5072+50339+2339+25101(Top 18%)360(Top 3%)360(Top 21%)
20K12.43 mi3.11 mi4828+244317+22317+224271(Top 15%)267(Top 2%)267(Top 16%)
Half13.11 mi0.68 mi4792+36316+1316+14462(Top 16%)281(Top 2%)281(Top 16%)
25K15.53 mi2.42 mi4590+202294+22294+223966(Top 14%)256(Top 2%)256(Top 15%)
30K18.64 mi3.11 mi4444+146285+9285+94189(Top 15%)329(Top 3%)329(Top 19%)
20M20.00 mi1.36 mi4379+652852854078(Top 14%)330(Top 3%)330(Top 19%)
21M21.00 mi1.00 mi4334+45293-8293-84225(Top 15%)413(Top 3%)413(Top 24%)
35K21.75 mi0.75 mi4447-113314-21314-217427(Top 26%)1449(Top 12%)1449(Top 84%)
23M23.00 mi1.25 mi4395+52315-1315-14190(Top 15%)447(Top 4%)447(Top 26%)
24M24.00 mi1.00 mi4385+10325-10325-104462(Top 16%)568(Top 5%)568(Top 33%)
40K24.85 mi0.85 mi4359+26329-4329-44240(Top 15%)555(Top 5%)555(Top 32%)
25.2M25.20 mi0.35 mi4350+9333-4333-44578(Top 16%)725(Top 6%)725(Top 42%)
Finish26.22 mi1.02 mi4380-30345-12345-124741(Top 17%)766(Top 6%)766(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5101

Females

360

F40-44

360

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5231

Females

366

F40-44

366

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5101

Females

360

F40-44

360

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4271

Females

267

F40-44

267

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4462

Females

281

F40-44

281

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3966

Females

256

F40-44

256

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4189

Females

329

F40-44

329

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4078

Females

330

F40-44

330

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4225

Females

413

F40-44

413

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7427

Females

1449

F40-44

1449

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4190

Females

447

F40-44

447

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4462

Females

568

F40-44

568

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4240

Females

555

F40-44

555

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4578

Females

725

F40-44

725

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4741

Females

766

F40-44

766

Passing Analysis

Category:
Athletes Passed
1545
Passed By
825
Net Change
+720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5100
5K → 10K165187-22#5100#5122
10K → 15K162112+50#5122#5072
15K → 20K26723+244#5072#4828
20K → Half448+36#4828#4792
Half → 25K22119+202#4792#4590
25K → 30K20862+146#4590#4444
30K → 20M10439+65#4444#4379
20M → 21M9449+45#4379#4334
21M → 35K21134-113#4334#4447
35K → 23M8735+52#4447#4395
23M → 24M5848+10#4395#4385
24M → 40K5428+26#4385#4359
40K → 25.2M2718+9#4359#4350
25.2M → Finish3363-30#4350#4380
TOTALS1545825+720
📊

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