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BOSTON MARATHON 2025

Yihong Lin

Bib: 23542•F

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

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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
10:13/mi
59:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:55/mi
1:30:36
↑ 67↓ 78
20K· 12.43 mi
10:59/mi
2:04:43
↑ 106↓ 860.1%
Half· 13.11 mi
10:21/mi
2:11:47
↑ 19↓ 370.5%
25K· 15.53 mi
11:44/mi
2:40:15
↑ 66↓ 880.2%
30K· 18.64 mi
13:00/mi
3:20:38
↑ 181↓ 1480.2%
20M
12:55/mi
3:38:11
↑ 64↓ 500.2%
21M
14:51/mi
3:53:02
↑ 106↓ 241.6%
35K· 21.75 mi
12:11/mi
4:02:09
↑ 17↓ 861.7%
23M
12:28/mi
4:17:46
↑ 23↓ 630.6%
24M
11:29/mi
4:29:15
↓ 821.3%
40K· 24.85 mi
12:32/mi
4:39:58
↓ 200.3%
25.2M
13:23/mi
4:44:35
↑ 13↓ 160.2%
Finish· 26.22 mi
11:15/mi
4:56:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:47
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:44:16
Pace12:32 /mi
📊Positive Split: 24.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1428:039:0228:03
9:02
-
10K
6.21 mi11:57:5759:469:3731:43
10:13
+1:11
15K
9.32 mi12:28:471:30:369:4330:50
9:55
-0:18
20K
12.43 mi13:02:542:04:4310:0234:07
10:59
+1:04
Half
13.11 mi13:09:582:11:4710:037:04
10:21
-0:38
25K
15.53 mi13:38:262:40:1510:1928:28
11:44
+1:23
30K
18.64 mi14:18:493:20:3810:4640:23
13:00
+1:16
20M
20.00 mi14:36:223:38:1110:5517:33
12:55
-0:05
21M
21.00 mi14:51:133:53:0211:0614:51
14:51
+1:56
35K
21.75 mi15:00:204:02:0911:089:07
12:11
-2:40
23M
23.00 mi15:15:574:17:4611:1215:37
12:28
+0:17
24M
24.00 mi15:27:264:29:1511:1311:29
11:29
-0:59
40K
24.85 mi15:38:094:39:5811:1610:43
12:32
+1:03
25.2M
25.20 mi15:42:464:44:3511:184:37
13:23
+0:51
Finish
26.22 mi15:54:144:56:0311:1811:28
11:15
-2:08

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

9:02 /mi

Average Pace

11:18 /mi

Slowest Pace

14:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:47

45% of race

Time at Steady Pace

1:16:09

26% of race

Time at Slower Pace

1:28:07

30% of race

Average Pace: 11:17 /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 mi11:26:1428:039:0228:03
9:02
#22530
10K
6.21 mi11:57:5759:469:3731:43
10:13
#24500
15K
9.32 mi12:28:471:30:369:4330:50
9:55
#24627
20K
12.43 mi13:02:542:04:4310:0234:07
10:59
#25099
Half
13.11 mi13:09:582:11:4710:037:04
10:21
#25119
25K
15.53 mi13:38:262:40:1510:1928:28
11:44
#25355
30K
18.64 mi14:18:493:20:3810:4640:23
13:00
#25696
20M
20.00 mi14:36:223:38:1110:5517:33
12:55
#25756
21M
21.00 mi14:51:133:53:0211:0614:51
14:51
#25874
35K
21.75 mi15:00:204:02:0911:089:07
12:11
#25894
23M
23.00 mi15:15:574:17:4611:1215:37
12:28
#25919
24M
24.00 mi15:27:264:29:1511:1311:29
11:29
#25887
40K
24.85 mi15:38:094:39:5811:1610:43
12:32
#25893
25.2M
25.20 mi15:42:464:44:3511:184:37
13:23
#25901
Finish
26.22 mi15:54:144:56:0311:1811:28
11:15
#25915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi225308927892724840(Top 87%)10133(Top 83%)10133(Top 1019%)
10K6.21 mi3.10 mi24500-19709949-10229949-102225755(Top 91%)10661(Top 87%)10661(Top 1073%)
15K9.32 mi3.11 mi24627-12710027-7810027-7824840(Top 87%)10133(Top 83%)10133(Top 1019%)
20K12.43 mi3.11 mi25099-47210288-26110288-26125966(Top 91%)10791(Top 88%)10791(Top 1086%)
Half13.11 mi0.68 mi25119-2010300-1210300-1225532(Top 90%)10568(Top 86%)10568(Top 1063%)
25K15.53 mi2.42 mi25355-23610447-14710447-14726145(Top 92%)10939(Top 89%)10939(Top 1101%)
30K18.64 mi3.11 mi25696-34110670-22310670-22326671(Top 94%)11315(Top 93%)11315(Top 1138%)
20M20.00 mi1.36 mi25756-6010708-3810708-3826357(Top 93%)11203(Top 92%)11203(Top 1127%)
21M21.00 mi1.00 mi25874-11810786-7810786-7827019(Top 95%)11576(Top 95%)11576(Top 1165%)
35K21.75 mi0.75 mi25894-2010793-710793-726098(Top 92%)11145(Top 91%)11145(Top 1121%)
23M23.00 mi1.25 mi25919-2510817-2410817-2425758(Top 91%)10979(Top 90%)10979(Top 1105%)
24M24.00 mi1.00 mi25887+3210811+610811+624854(Top 88%)10564(Top 86%)10564(Top 1063%)
40K24.85 mi0.85 mi25893-610820-910820-925687(Top 90%)10989(Top 90%)10989(Top 1106%)
25.2M25.20 mi0.35 mi25901-810834-1410834-1425500(Top 90%)10947(Top 90%)10947(Top 1101%)
Finish26.22 mi1.02 mi25915-1410847-1310847-1325787(Top 91%)11038(Top 90%)11038(Top 1110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24840

Females

10133

F55-59

10133

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25755

Females

10661

F55-59

10661

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24840

Females

10133

F55-59

10133

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25966

Females

10791

F55-59

10791

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25532

Females

10568

F55-59

10568

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26145

Females

10939

F55-59

10939

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26671

Females

11315

F55-59

11315

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26357

Females

11203

F55-59

11203

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

27019

Females

11576

F55-59

11576

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26098

Females

11145

F55-59

11145

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25758

Females

10979

F55-59

10979

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

24854

Females

10564

F55-59

10564

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25687

Females

10989

F55-59

10989

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25500

Females

10947

F55-59

10947

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25787

Females

11038

F55-59

11038

Passing Analysis

Category:
Athletes Passed
436
Passed By
3821
Net Change
-3385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22530
5K → 10K91979-1970#22530#24500
10K → 15K100227-127#24500#24627
15K → 20K31503-472#24627#25099
20K → Half1939-20#25099#25119
Half → 25K41277-236#25119#25355
25K → 30K34375-341#25355#25696
30K → 20M40100-60#25696#25756
20M → 21M14132-118#25756#25874
21M → 35K2242-20#25874#25894
35K → 23M2550-25#25894#25919
23M → 24M4715+32#25919#25887
24M → 40K2531-6#25887#25893
40K → 25.2M917-8#25893#25901
25.2M → Finish2034-14#25901#25915
TOTALS4363821-3385
📊

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