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BOSTON MARATHON 2025

Lucy Lin

Bib: 22994•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:59
Rank: #20951
Start → 5K
26:59 | 8:41/mi
10K· 6.21 mi
54:22
Rank: #21171 (-220)
5K → 10K
27:23 | 8:49/mi
15K· 9.32 mi
1:21:59
Rank: #21246 (-75)
10K → 15K
27:37 | 8:53/mi
20K· 12.43 mi
1:50:56
Rank: #21590 (-344)
15K → 20K
28:57 | 9:19/mi
Half· 13.11 mi
1:56:58
Rank: #21569 (+21)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:19:15
Rank: #21405 (+164)
Half → 25K
22:17 | 9:11/mi
30K· 18.64 mi
2:49:22
Rank: #21276 (+129)
25K → 30K
30:07 | 9:42/mi
20M
3:02:52
Rank: #21218 (+58)
30K → 20M
13:30 | 9:56/mi
21M
3:13:59
Rank: #21283 (-65)
20M → 21M
11:07 | 11:07/mi
35K· 21.75 mi
3:20:47
Rank: #21172 (+111)
21M → 35K
6:48 | 9:05/mi
23M
3:32:50
Rank: #21041 (+131)
35K → 23M
12:03 | 9:37/mi
24M
3:42:35
Rank: #21019 (+22)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:51:14
Rank: #21013 (+6)
24M → 40K
8:39 | 10:07/mi
25.2M
3:55:33
Rank: #21083 (-70)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
4:05:08
Rank: #21073 (+10)
25.2M → Finish
9:35 | 9:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:58
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:08:10
Pace9:47 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5326:598:4126:59
8:41
-
10K
6.21 mi11:52:1654:228:4527:23
8:49
+0:08
15K
9.32 mi12:19:531:21:598:4827:37
8:53
+0:04
20K
12.43 mi12:48:501:50:568:5628:57
9:19
+0:26
Half
13.11 mi12:54:521:56:588:556:02
8:51
-0:28
25K
15.53 mi13:17:092:19:158:5822:17
9:11
+0:20
30K
18.64 mi13:47:162:49:229:0530:07
9:42
+0:31
20M
20.00 mi14:00:463:02:529:0913:30
9:56
+0:14
21M
21.00 mi14:11:533:13:599:1411:07
11:07
+1:11
35K
21.75 mi14:18:413:20:479:146:48
9:05
-2:02
23M
23.00 mi14:30:443:32:509:1512:03
9:37
+0:32
24M
24.00 mi14:40:293:42:359:169:45
9:45
+0:08
40K
24.85 mi14:49:083:51:149:188:39
10:07
+0:22
25.2M
25.20 mi14:53:273:55:339:214:19
12:31
+2:24
Finish
26.22 mi15:03:024:05:089:219:35
9:24
-3:07

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

8:41 /mi

Average Pace

9:21 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:01

36% of race

Time at Steady Pace

1:59:32

49% of race

Time at Slower Pace

37:35

15% of race

Average Pace: 9:21 /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 mi11:24:5326:598:4126:59
8:41
#20951
10K
6.21 mi11:52:1654:228:4527:23
8:49
#21171
15K
9.32 mi12:19:531:21:598:4827:37
8:53
#21246
20K
12.43 mi12:48:501:50:568:5628:57
9:19
#21590
Half
13.11 mi12:54:521:56:588:556:02
8:51
#21569
25K
15.53 mi13:17:092:19:158:5822:17
9:11
#21405
30K
18.64 mi13:47:162:49:229:0530:07
9:42
#21276
20M
20.00 mi14:00:463:02:529:0913:30
9:56
#21218
21M
21.00 mi14:11:533:13:599:1411:07
11:07
#21283
35K
21.75 mi14:18:413:20:479:146:48
9:05
#21172
23M
23.00 mi14:30:443:32:509:1512:03
9:37
#21041
24M
24.00 mi14:40:293:42:359:169:45
9:45
#21019
40K
24.85 mi14:49:083:51:149:188:39
10:07
#21013
25.2M
25.20 mi14:53:273:55:339:214:19
12:31
#21083
Finish
26.22 mi15:03:024:05:089:219:35
9:24
#21073
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi209518053805321528(Top 76%)8295(Top 68%)8295(Top 637%)
10K6.21 mi3.10 mi21171-2208145-928145-9221473(Top 76%)8292(Top 68%)8292(Top 636%)
15K9.32 mi3.11 mi21246-758172-278172-2721528(Top 76%)8295(Top 68%)8295(Top 637%)
20K12.43 mi3.11 mi21590-3448374-2028374-20222327(Top 79%)8767(Top 72%)8767(Top 673%)
Half13.11 mi0.68 mi21569+218360+148360+1421157(Top 74%)8128(Top 66%)8128(Top 624%)
25K15.53 mi2.42 mi21405+1648274+868274+8620730(Top 73%)7940(Top 65%)7940(Top 609%)
30K18.64 mi3.11 mi21276+1298236+388236+3820681(Top 73%)8037(Top 66%)8037(Top 617%)
20M20.00 mi1.36 mi21218+588230+68230+620729(Top 73%)8210(Top 67%)8210(Top 630%)
21M21.00 mi1.00 mi21283-658271-418271-4121703(Top 76%)8812(Top 72%)8812(Top 676%)
35K21.75 mi0.75 mi21172+1118228+438228+4318711(Top 66%)7319(Top 60%)7319(Top 562%)
23M23.00 mi1.25 mi21041+1318184+448184+4419198(Top 68%)7618(Top 62%)7618(Top 585%)
24M24.00 mi1.00 mi21019+228198-148198-1420583(Top 72%)8384(Top 69%)8384(Top 643%)
40K24.85 mi0.85 mi21013+68215-178215-1720848(Top 73%)8583(Top 70%)8583(Top 659%)
25.2M25.20 mi0.35 mi21083-708255-408255-4024251(Top 85%)10279(Top 84%)10279(Top 789%)
Finish26.22 mi1.02 mi21073+108266-118266-1120849(Top 73%)8584(Top 70%)8584(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21528

Females

8295

F50-54

8295

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21473

Females

8292

F50-54

8292

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21528

Females

8295

F50-54

8295

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22327

Females

8767

F50-54

8767

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21157

Females

8128

F50-54

8128

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20730

Females

7940

F50-54

7940

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20681

Females

8037

F50-54

8037

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20729

Females

8210

F50-54

8210

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21703

Females

8812

F50-54

8812

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18711

Females

7319

F50-54

7319

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19198

Females

7618

F50-54

7618

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20583

Females

8384

F50-54

8384

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20848

Females

8583

F50-54

8583

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24251

Females

10279

F50-54

10279

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20849

Females

8584

F50-54

8584

Passing Analysis

Category:
Athletes Passed
1628
Passed By
1750
Net Change
-122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20951
5K → 10K181401-220#20951#21171
10K → 15K181256-75#21171#21246
15K → 20K100444-344#21246#21590
20K → Half4423+21#21590#21569
Half → 25K22763+164#21569#21405
25K → 30K253124+129#21405#21276
30K → 20M12668+58#21276#21218
20M → 21M62127-65#21218#21283
21M → 35K1154+111#21283#21172
35K → 23M15928+131#21172#21041
23M → 24M6947+22#21041#21019
24M → 40K5044+6#21019#21013
40K → 25.2M1181-70#21013#21083
25.2M → Finish5040+10#21083#21073
TOTALS16281750-122
📊

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