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BOSTON MARATHON 2025

Peng Yin

Bib: 22612•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:55/mi
27:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
54:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:21:02
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:47:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:53:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:15:00
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:44:12
↑ 181↓ 1480.2%
20M
9:17/mi
2:56:49
↑ 64↓ 500.2%
21M
10:19/mi
3:07:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:14:02
↑ 17↓ 861.7%
23M
12:42/mi
3:29:56
↑ 23↓ 630.6%
24M
9:22/mi
3:39:18
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:47:26
↓ 200.3%
25.2M
10:44/mi
3:51:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
4:00:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:07:07
Pace9:42 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2227:438:5527:43
8:55
-
10K
6.21 mi11:54:2554:468:4927:03
8:42
-0:13
15K
9.32 mi12:20:411:21:028:4226:16
8:27
-0:15
20K
12.43 mi12:47:161:47:378:4026:35
8:33
+0:06
Half
13.11 mi12:53:061:53:278:395:50
8:33
0:00
25K
15.53 mi13:14:392:15:008:4121:33
8:53
+0:20
30K
18.64 mi13:43:512:44:128:4929:12
9:24
+0:31
20M
20.00 mi13:56:282:56:498:5012:37
9:17
-0:07
21M
21.00 mi14:06:473:07:088:5510:19
10:19
+1:02
35K
21.75 mi14:13:413:14:028:556:54
9:13
-1:06
23M
23.00 mi14:29:353:29:569:0815:54
12:42
+3:29
24M
24.00 mi14:38:573:39:189:089:22
9:22
-3:20
40K
24.85 mi14:47:053:47:269:098:08
9:31
+0:09
25.2M
25.20 mi14:50:473:51:089:103:42
10:44
+1:13
Finish
26.22 mi15:00:134:00:349:119:26
9:15
-1:29

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

8:27 /mi

Average Pace

9:11 /mi

Slowest Pace

12:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:44

36% of race

Time at Steady Pace

2:04:55

52% of race

Time at Slower Pace

29:55

12% of race

Average Pace: 9:10 /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 mi11:27:2227:438:5527:43
8:55
#22098
10K
6.21 mi11:54:2554:468:4927:03
8:42
#21523
15K
9.32 mi12:20:411:21:028:4226:16
8:27
#20729
20K
12.43 mi12:47:161:47:378:4026:35
8:33
#20193
Half
13.11 mi12:53:061:53:278:395:50
8:33
#20144
25K
15.53 mi13:14:392:15:008:4121:33
8:53
#20004
30K
18.64 mi13:43:512:44:128:4929:12
9:24
#19909
20M
20.00 mi13:56:282:56:498:5012:37
9:17
#19781
21M
21.00 mi14:06:473:07:088:5510:19
10:19
#19756
35K
21.75 mi14:13:413:14:028:556:54
9:13
#19739
23M
23.00 mi14:29:353:29:569:0815:54
12:42
#20501
24M
24.00 mi14:38:573:39:189:089:22
9:22
#20464
40K
24.85 mi14:47:053:47:269:098:08
9:31
#20407
25.2M
25.20 mi14:50:473:51:089:103:42
10:44
#20414
Finish
26.22 mi15:00:134:00:349:119:26
9:15
#20441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi220988682868219074(Top 67%)6945(Top 57%)6945(Top 383%)
10K6.21 mi3.10 mi21523+5758352+3308352+33020917(Top 74%)7979(Top 65%)7979(Top 440%)
15K9.32 mi3.11 mi20729+7947880+4727880+47219074(Top 67%)6945(Top 57%)6945(Top 383%)
20K12.43 mi3.11 mi20193+5367586+2947586+29418599(Top 65%)6687(Top 55%)6687(Top 369%)
Half13.11 mi0.68 mi20144+497557+297557+2919588(Top 69%)7244(Top 59%)7244(Top 400%)
25K15.53 mi2.42 mi20004+1407484+737484+7319390(Top 68%)7203(Top 59%)7203(Top 397%)
30K18.64 mi3.11 mi19909+957473+117473+1119536(Top 69%)7414(Top 61%)7414(Top 409%)
20M20.00 mi1.36 mi19781+1287422+517422+5118252(Top 64%)6870(Top 56%)6870(Top 379%)
21M21.00 mi1.00 mi19756+257432-107432-1019447(Top 68%)7588(Top 62%)7588(Top 419%)
35K21.75 mi0.75 mi19739+177439-77439-719297(Top 68%)7606(Top 62%)7606(Top 420%)
23M23.00 mi1.25 mi20501-7627885-4467885-44626049(Top 92%)11116(Top 91%)11116(Top 613%)
24M24.00 mi1.00 mi20464+377882+37882+319117(Top 67%)7610(Top 62%)7610(Top 420%)
40K24.85 mi0.85 mi20407+577873+97873+918790(Top 66%)7528(Top 62%)7528(Top 415%)
25.2M25.20 mi0.35 mi20414-77882-97882-919853(Top 70%)8081(Top 66%)8081(Top 446%)
Finish26.22 mi1.02 mi20441-277912-307912-3020229(Top 71%)8263(Top 68%)8263(Top 456%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

19074

Females

6945

F45-49

6945

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

20917

Females

7979

F45-49

7979

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

19074

Females

6945

F45-49

6945

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18599

Females

6687

F45-49

6687

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19588

Females

7244

F45-49

7244

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19390

Females

7203

F45-49

7203

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19536

Females

7414

F45-49

7414

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18252

Females

6870

F45-49

6870

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19447

Females

7588

F45-49

7588

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19297

Females

7606

F45-49

7606

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26049

Females

11116

F45-49

11116

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19117

Females

7610

F45-49

7610

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18790

Females

7528

F45-49

7528

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19853

Females

8081

F45-49

8081

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20229

Females

8263

F45-49

8263

Passing Analysis

Category:
Athletes Passed
3130
Passed By
1473
Net Change
+1657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22098
5K → 10K65075+575#22098#21523
10K → 15K80612+794#21523#20729
15K → 20K55014+536#20729#20193
20K → Half6213+49#20193#20144
Half → 25K21878+140#20144#20004
25K → 30K275180+95#20004#19909
30K → 20M16739+128#19909#19781
20M → 21M10883+25#19781#19756
21M → 35K5538+17#19756#19739
35K → 23M10772-762#19739#20501
23M → 24M7336+37#20501#20464
24M → 40K8427+57#20464#20407
40K → 25.2M2936-7#20407#20414
25.2M → Finish4370-27#20414#20441
TOTALS31301473+1657
📊

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