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BOSTON MARATHON 2025

Yueh-Ling Lin

Bib: 18828•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Masters (Masters Women)
#0 / 6759
Top 27%
Division (F55-59)
#0 / 994
Top 10%
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
7:53/mi
24:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:13:59
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:39:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:04:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:30:18
↑ 181↓ 1480.2%
20M
8:26/mi
2:41:46
↑ 64↓ 500.2%
21M
9:11/mi
2:50:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:57:06
↑ 17↓ 861.7%
23M
8:42/mi
3:07:59
↑ 23↓ 630.6%
24M
8:36/mi
3:16:35
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:24:17
↓ 200.3%
25.2M
10:12/mi
3:27:48
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
3:37:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:52:49
Pace8:36 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0524:307:5324:30
7:53
-
10K
6.21 mi11:39:5249:177:5624:47
7:59
+0:06
15K
9.32 mi12:04:341:13:597:5624:42
7:57
-0:02
20K
12.43 mi12:29:381:39:037:5825:04
8:04
+0:07
Half
13.11 mi12:35:031:44:287:585:25
7:56
-0:08
25K
15.53 mi12:54:442:04:098:0019:41
8:07
+0:11
30K
18.64 mi13:20:532:30:188:0426:09
8:25
+0:18
20M
20.00 mi13:32:212:41:468:0511:28
8:26
+0:01
21M
21.00 mi13:41:322:50:578:089:11
9:11
+0:45
35K
21.75 mi13:47:412:57:068:096:09
8:13
-0:58
23M
23.00 mi13:58:343:07:598:1010:53
8:42
+0:29
24M
24.00 mi14:07:103:16:358:118:36
8:36
-0:06
40K
24.85 mi14:14:523:24:178:137:42
9:00
+0:24
25.2M
25.20 mi14:18:233:27:488:153:31
10:12
+1:12
Finish
26.22 mi14:27:523:37:178:189:29
9:18
-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

7:53 /mi

Average Pace

8:18 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:28

48% of race

Time at Steady Pace

1:22:56

38% of race

Time at Slower Pace

29:53

14% of race

Average Pace: 8:17 /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 mi11:15:0524:307:5324:30
7:53
#15562
10K
6.21 mi11:39:5249:177:5624:47
7:59
#15959
15K
9.32 mi12:04:341:13:597:5624:42
7:57
#15823
20K
12.43 mi12:29:381:39:037:5825:04
8:04
#15715
Half
13.11 mi12:35:031:44:287:585:25
7:56
#15698
25K
15.53 mi12:54:442:04:098:0019:41
8:07
#15485
30K
18.64 mi13:20:532:30:188:0426:09
8:25
#15234
20M
20.00 mi13:32:212:41:468:0511:28
8:26
#15050
21M
21.00 mi13:41:322:50:578:089:11
9:11
#14964
35K
21.75 mi13:47:412:57:068:096:09
8:13
#14901
23M
23.00 mi13:58:343:07:598:1010:53
8:42
#14828
24M
24.00 mi14:07:103:16:358:118:36
8:36
#14822
40K
24.85 mi14:14:523:24:178:137:42
9:00
#14878
25.2M
25.20 mi14:18:233:27:488:153:31
10:12
#14932
Finish
26.22 mi14:27:523:37:178:189:29
9:18
#15209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi155624869486915676(Top 55%)4955(Top 41%)4955(Top 498%)
10K6.21 mi3.10 mi15959-3975111-2425111-24216302(Top 57%)5309(Top 43%)5309(Top 534%)
15K9.32 mi3.11 mi15823+1365028+835028+8315676(Top 55%)4955(Top 41%)4955(Top 498%)
20K12.43 mi3.11 mi15715+1084991+374991+3715418(Top 54%)4870(Top 40%)4870(Top 490%)
Half13.11 mi0.68 mi15698+174987+44987+415487(Top 55%)4887(Top 40%)4887(Top 492%)
25K15.53 mi2.42 mi15485+2134879+1084879+10814777(Top 52%)4633(Top 38%)4633(Top 466%)
30K18.64 mi3.11 mi15234+2514790+894790+8914252(Top 50%)4511(Top 37%)4511(Top 454%)
20M20.00 mi1.36 mi15050+1844730+604730+6013427(Top 47%)4213(Top 34%)4213(Top 424%)
21M21.00 mi1.00 mi14964+864698+324698+3214561(Top 51%)4927(Top 40%)4927(Top 496%)
35K21.75 mi0.75 mi14901+634682+164682+1613806(Top 49%)4586(Top 38%)4586(Top 461%)
23M23.00 mi1.25 mi14828+734666+164666+1614524(Top 51%)5082(Top 42%)5082(Top 511%)
24M24.00 mi1.00 mi14822+64697-314697-3115178(Top 53%)5476(Top 45%)5476(Top 551%)
40K24.85 mi0.85 mi14878-564763-664763-6616348(Top 58%)6225(Top 51%)6225(Top 626%)
25.2M25.20 mi0.35 mi14932-544809-464809-4617883(Top 63%)7061(Top 58%)7061(Top 710%)
Finish26.22 mi1.02 mi15209-2774996-1874996-18720407(Top 72%)8339(Top 68%)8339(Top 839%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15676

Females

4955

F55-59

4955

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16302

Females

5309

F55-59

5309

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15676

Females

4955

F55-59

4955

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15418

Females

4870

F55-59

4870

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15487

Females

4887

F55-59

4887

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14777

Females

4633

F55-59

4633

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14252

Females

4511

F55-59

4511

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13427

Females

4213

F55-59

4213

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14561

Females

4927

F55-59

4927

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13806

Females

4586

F55-59

4586

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14524

Females

5082

F55-59

5082

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15178

Females

5476

F55-59

5476

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16348

Females

6225

F55-59

6225

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17883

Females

7061

F55-59

7061

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20407

Females

8339

F55-59

8339

Passing Analysis

Category:
Athletes Passed
2155
Passed By
1802
Net Change
+353
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15562
5K → 10K174571-397#15562#15959
10K → 15K272136+136#15959#15823
15K → 20K251143+108#15823#15715
20K → Half3215+17#15715#15698
Half → 25K28673+213#15698#15485
25K → 30K358107+251#15485#15234
30K → 20M21834+184#15234#15050
20M → 21M15468+86#15050#14964
21M → 35K8623+63#14964#14901
35K → 23M14976+73#14901#14828
23M → 24M7569+6#14828#14822
24M → 40K58114-56#14822#14878
40K → 25.2M2377-54#14878#14932
25.2M → Finish19296-277#14932#15209
TOTALS21551802+353
📊

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