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BOSTON MARATHON 2025

Yiru Lin

Bib: 13448•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #19974
Start → 5K
26:27 | 8:31/mi
10K· 6.21 mi
53:12
Rank: #20209 (-235)
5K → 10K
26:45 | 8:37/mi
15K· 9.32 mi
1:20:09
Rank: #20215 (-6)
10K → 15K
26:57 | 8:40/mi
20K· 12.43 mi
1:47:20
Rank: #20071 (+144)
15K → 20K
27:11 | 8:45/mi
Half· 13.11 mi
1:53:14
Rank: #20055 (+16)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:15:15
Rank: #20101 (-46)
Half → 25K
22:01 | 9:05/mi
30K· 18.64 mi
2:46:11
Rank: #20450 (-349)
25K → 30K
30:56 | 9:57/mi
20M
3:00:31
Rank: #20679 (-229)
30K → 20M
14:20 | 10:33/mi
21M
3:12:07
Rank: #20870 (-191)
20M → 21M
11:36 | 11:36/mi
35K· 21.75 mi
3:20:15
Rank: #21071 (-201)
21M → 35K
8:08 | 10:52/mi
23M
3:35:13
Rank: #21459 (-388)
35K → 23M
14:58 | 11:57/mi
24M
3:45:39
Rank: #21523 (-64)
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
3:55:21
Rank: #21637 (-114)
24M → 40K
9:42 | 11:21/mi
25.2M
3:59:16
Rank: #21633 (+4)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:09:54
Rank: #21721 (-88)
25.2M → Finish
10:38 | 10:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:14
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:16:40
Pace10:26 /mi
📊Positive Split: 20.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0126:278:3126:27
8:31
-
10K
6.21 mi11:22:4653:128:3426:45
8:37
+0:06
15K
9.32 mi11:49:431:20:098:3626:57
8:40
+0:03
20K
12.43 mi12:16:541:47:208:3827:11
8:45
+0:05
Half
13.11 mi12:22:481:53:148:385:54
8:39
-0:06
25K
15.53 mi12:44:492:15:158:4222:01
9:05
+0:26
30K
18.64 mi13:15:452:46:118:5530:56
9:57
+0:52
20M
20.00 mi13:30:053:00:319:0214:20
10:33
+0:36
21M
21.00 mi13:41:413:12:079:0911:36
11:36
+1:03
35K
21.75 mi13:49:493:20:159:128:08
10:52
-0:44
23M
23.00 mi14:04:473:35:139:2114:58
11:57
+1:05
24M
24.00 mi14:15:133:45:399:2410:26
10:26
-1:31
40K
24.85 mi14:24:553:55:219:289:42
11:21
+0:55
25.2M
25.20 mi14:28:503:59:169:303:55
11:21
0:00
Finish
26.22 mi14:39:284:09:549:3210:38
10:26
-0:55

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

8:31 /mi

Average Pace

9:32 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:15

54% of race

Time at Steady Pace

1:14:28

30% of race

Time at Slower Pace

40:11

16% of race

Average Pace: 9:32 /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 mi10:56:0126:278:3126:27
8:31
#19974
10K
6.21 mi11:22:4653:128:3426:45
8:37
#20209
15K
9.32 mi11:49:431:20:098:3626:57
8:40
#20215
20K
12.43 mi12:16:541:47:208:3827:11
8:45
#20071
Half
13.11 mi12:22:481:53:148:385:54
8:39
#20055
25K
15.53 mi12:44:492:15:158:4222:01
9:05
#20101
30K
18.64 mi13:15:452:46:118:5530:56
9:57
#20450
20M
20.00 mi13:30:053:00:319:0214:20
10:33
#20679
21M
21.00 mi13:41:413:12:079:0911:36
11:36
#20870
35K
21.75 mi13:49:493:20:159:128:08
10:52
#21071
23M
23.00 mi14:04:473:35:139:2114:58
11:57
#21459
24M
24.00 mi14:15:133:45:399:2410:26
10:26
#21523
40K
24.85 mi14:24:553:55:219:289:42
11:21
#21637
25.2M
25.20 mi14:28:503:59:169:303:55
11:21
#21633
Finish
26.22 mi14:39:284:09:549:3210:38
10:26
#21721
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi199747490749020343(Top 72%)7626(Top 62%)7626(Top 444%)
10K6.21 mi3.10 mi20209-2357599-1097599-10920417(Top 72%)7699(Top 63%)7699(Top 448%)
15K9.32 mi3.11 mi20215-67595+47595+420343(Top 72%)7626(Top 62%)7626(Top 444%)
20K12.43 mi3.11 mi20071+1447510+857510+8519698(Top 69%)7318(Top 60%)7318(Top 426%)
Half13.11 mi0.68 mi20055+167508+27508+220128(Top 71%)7568(Top 62%)7568(Top 441%)
25K15.53 mi2.42 mi20101-467544-367544-3620286(Top 71%)7695(Top 63%)7695(Top 448%)
30K18.64 mi3.11 mi20450-3497791-2477791-24721476(Top 76%)8491(Top 69%)8491(Top 494%)
20M20.00 mi1.36 mi20679-2297931-1407931-14022575(Top 79%)9196(Top 75%)9196(Top 535%)
21M21.00 mi1.00 mi20870-1918055-1248055-12422824(Top 80%)9408(Top 77%)9408(Top 548%)
35K21.75 mi0.75 mi21071-2018174-1198174-11923953(Top 84%)10027(Top 82%)10027(Top 584%)
23M23.00 mi1.25 mi21459-3888407-2338407-23325058(Top 88%)10633(Top 87%)10633(Top 619%)
24M24.00 mi1.00 mi21523-648465-588465-5822643(Top 80%)9452(Top 77%)9452(Top 550%)
40K24.85 mi0.85 mi21637-1148559-948559-9423852(Top 84%)10096(Top 83%)10096(Top 588%)
25.2M25.20 mi0.35 mi21633+48565-68565-621699(Top 76%)9005(Top 74%)9005(Top 524%)
Finish26.22 mi1.02 mi21721-888629-648629-6424143(Top 85%)10237(Top 84%)10237(Top 596%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20343

Females

7626

F40-44

7626

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20417

Females

7699

F40-44

7699

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20343

Females

7626

F40-44

7626

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19698

Females

7318

F40-44

7318

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20128

Females

7568

F40-44

7568

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20286

Females

7695

F40-44

7695

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21476

Females

8491

F40-44

8491

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22575

Females

9196

F40-44

9196

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22824

Females

9408

F40-44

9408

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23953

Females

10027

F40-44

10027

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25058

Females

10633

F40-44

10633

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22643

Females

9452

F40-44

9452

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23852

Females

10096

F40-44

10096

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21699

Females

9005

F40-44

9005

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24143

Females

10237

F40-44

10237

Passing Analysis

Category:
Athletes Passed
1187
Passed By
2934
Net Change
-1747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19974
5K → 10K175410-235#19974#20209
10K → 15K180186-6#20209#20215
15K → 20K262118+144#20215#20071
20K → Half3822+16#20071#20055
Half → 25K140186-46#20055#20101
25K → 30K138487-349#20101#20450
30K → 20M49278-229#20450#20679
20M → 21M48239-191#20679#20870
21M → 35K21222-201#20870#21071
35K → 23M24412-388#21071#21459
23M → 24M36100-64#21459#21523
24M → 40K27141-114#21523#21637
40K → 25.2M2824+4#21637#21633
25.2M → Finish21109-88#21633#21721
TOTALS11872934-1747
📊

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