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BOSTON MARATHON 2025

Yu Ling Lin

Bib: 13659•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
12:17/mi
38:10
↑ 97↓ 3451.5%
10K· 6.21 mi
13:16/mi
1:19:24
↑ 79↓ 1380.4%
15K· 9.32 mi
13:31/mi
2:01:25
↑ 67↓ 78
20K· 12.43 mi
13:38/mi
2:43:45
↑ 106↓ 860.1%
Half· 13.11 mi
12:54/mi
2:52:33
↑ 19↓ 370.5%
25K· 15.53 mi
13:00/mi
3:24:04
↑ 66↓ 880.2%
30K· 18.64 mi
12:29/mi
4:02:50
↑ 181↓ 1480.2%
20M
13:50/mi
4:21:38
↑ 64↓ 500.2%
21M
14:21/mi
4:35:59
↑ 106↓ 241.6%
35K· 21.75 mi
14:06/mi
4:46:32
↑ 17↓ 861.7%
23M
14:28/mi
5:04:39
↑ 23↓ 630.6%
24M
13:19/mi
5:17:58
↓ 821.3%
40K· 24.85 mi
14:14/mi
5:30:08
↓ 200.3%
25.2M
15:05/mi
5:35:20
↑ 13↓ 160.2%
Finish· 26.22 mi
12:45/mi
5:48:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:52:33
Pace13:10 /mi
2nd Half
Distance13.11 mi
Time2:55:47
Pace13:25 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:1638:1012:1738:10
12:17
-
10K
6.21 mi11:48:301:19:2412:4741:14
13:16
+0:59
15K
9.32 mi12:30:312:01:2513:0242:01
13:31
+0:15
20K
12.43 mi13:12:512:43:4513:1142:20
13:38
+0:07
Half
13.11 mi13:21:392:52:3313:108:48
12:54
-0:44
25K
15.53 mi13:53:103:24:0413:0831:31
13:00
+0:06
30K
18.64 mi14:31:564:02:5013:0238:46
12:29
-0:31
20M
20.00 mi14:50:444:21:3813:0518:48
13:50
+1:21
21M
21.00 mi15:05:054:35:5913:0914:21
14:21
+0:31
35K
21.75 mi15:15:384:46:3213:1110:33
14:06
-0:15
23M
23.00 mi15:33:455:04:3913:1518:07
14:28
+0:22
24M
24.00 mi15:47:045:17:5813:1513:19
13:19
-1:09
40K
24.85 mi15:59:145:30:0813:1712:10
14:14
+0:55
25.2M
25.20 mi16:04:265:35:2013:185:12
15:05
+0:51
Finish
26.22 mi16:17:265:48:2013:1813:00
12:45
-2:20

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

12:17 /mi

Average Pace

13:18 /mi

Slowest Pace

15:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:15

37% of race

Time at Steady Pace

2:37:42

45% of race

Time at Slower Pace

1:00:23

17% of race

Average Pace: 13:17 /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 mi11:07:1638:1012:1738:10
12:17
#28296
10K
6.21 mi11:48:301:19:2412:4741:14
13:16
#28347
15K
9.32 mi12:30:312:01:2513:0242:01
13:31
#28345
20K
12.43 mi13:12:512:43:4513:1142:20
13:38
#28330
Half
13.11 mi13:21:392:52:3313:108:48
12:54
#28319
25K
15.53 mi13:53:103:24:0413:0831:31
13:00
#28258
30K
18.64 mi14:31:564:02:5013:0238:46
12:29
#28080
20M
20.00 mi14:50:444:21:3813:0518:48
13:50
#28049
21M
21.00 mi15:05:054:35:5913:0914:21
14:21
#28008
35K
21.75 mi15:15:384:46:3213:1110:33
14:06
#28007
23M
23.00 mi15:33:455:04:3913:1518:07
14:28
#28005
24M
24.00 mi15:47:045:17:5813:1513:19
13:19
#27996
40K
24.85 mi15:59:145:30:0813:1712:10
14:14
#27989
25.2M
25.20 mi16:04:265:35:2013:185:12
15:05
#27974
Finish
26.22 mi16:17:265:48:2013:1813:00
12:45
#27962
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28296121581215828306(Top 100%)12175(Top 100%)12175(Top 223%)
10K6.21 mi3.10 mi28347-5112192-3412192-3428350(Top 100%)12197(Top 100%)12197(Top 223%)
15K9.32 mi3.11 mi28345+212195-312195-328306(Top 100%)12175(Top 100%)12175(Top 223%)
20K12.43 mi3.11 mi28330+1512184+1112184+1128116(Top 99%)12070(Top 99%)12070(Top 221%)
Half13.11 mi0.68 mi28319+1112180+412180+427957(Top 98%)11981(Top 98%)11981(Top 219%)
25K15.53 mi2.42 mi28258+6112145+3512145+3527295(Top 96%)11593(Top 95%)11593(Top 212%)
30K18.64 mi3.11 mi28080+17812033+11212033+11226148(Top 92%)11027(Top 90%)11027(Top 202%)
20M20.00 mi1.36 mi28049+3112021+1212021+1227163(Top 96%)11644(Top 95%)11644(Top 213%)
21M21.00 mi1.00 mi28008+4111998+2311998+2326571(Top 94%)11354(Top 93%)11354(Top 208%)
35K21.75 mi0.75 mi28007+112001-312001-327736(Top 98%)11977(Top 98%)11977(Top 219%)
23M23.00 mi1.25 mi28005+212004-312004-327632(Top 97%)11923(Top 98%)11923(Top 218%)
24M24.00 mi1.00 mi27996+912003+112003+127159(Top 96%)11723(Top 96%)11723(Top 214%)
40K24.85 mi0.85 mi27989+712007-412007-427356(Top 96%)11811(Top 97%)11811(Top 216%)
25.2M25.20 mi0.35 mi27974+1512002+512002+527175(Top 96%)11745(Top 96%)11745(Top 215%)
Finish26.22 mi1.02 mi27962+1211995+711995+727463(Top 97%)11853(Top 97%)11853(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

28306

Females

12175

F18-39

12175

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

28350

Females

12197

F18-39

12197

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

28306

Females

12175

F18-39

12175

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28116

Females

12070

F18-39

12070

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27957

Females

11981

F18-39

11981

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27295

Females

11593

F18-39

11593

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26148

Females

11027

F18-39

11027

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27163

Females

11644

F18-39

11644

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26571

Females

11354

F18-39

11354

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27736

Females

11977

F18-39

11977

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27632

Females

11923

F18-39

11923

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27159

Females

11723

F18-39

11723

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27356

Females

11811

F18-39

11811

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27175

Females

11745

F18-39

11745

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27463

Females

11853

F18-39

11853

Passing Analysis

Category:
Athletes Passed
473
Passed By
139
Net Change
+334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28296
5K → 10K657-51#28296#28347
10K → 15K1513+2#28347#28345
15K → 20K183+15#28345#28330
20K → Half121+11#28330#28319
Half → 25K610+61#28319#28258
25K → 30K1813+178#28258#28080
30K → 20M409+31#28080#28049
20M → 21M443+41#28049#28008
21M → 35K1110+1#28008#28007
35K → 23M1917+2#28007#28005
23M → 24M167+9#28005#27996
24M → 40K158+7#27996#27989
40K → 25.2M172+15#27989#27974
25.2M → Finish186+12#27974#27962
TOTALS473139+334
📊

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