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BOSTON MARATHON 2025

Lacey Lane

Bib: 28018•F

NY

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:50
Rank: #22255
Start → 5K
27:50 | 8:58/mi
10K· 6.21 mi
55:41
Rank: #22271 (-16)
5K → 10K
27:51 | 8:58/mi
15K· 9.32 mi
1:23:28
Rank: #22098 (+173)
10K → 15K
27:47 | 8:57/mi
20K· 12.43 mi
1:52:42
Rank: #22239 (-141)
15K → 20K
29:14 | 9:25/mi
Half· 13.11 mi
1:59:02
Rank: #22267 (-28)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:23:55
Rank: #22676 (-409)
Half → 25K
24:53 | 10:16/mi
30K· 18.64 mi
2:56:33
Rank: #22727 (-51)
25K → 30K
32:38 | 10:30/mi
20M
3:11:15
Rank: #22757 (-30)
30K → 20M
14:42 | 10:49/mi
21M
3:22:19
Rank: #22665 (+92)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
3:30:26
Rank: #22717 (-52)
21M → 35K
8:07 | 10:51/mi
23M
3:44:42
Rank: #22808 (-91)
35K → 23M
14:16 | 11:24/mi
24M
3:55:35
Rank: #22833 (-25)
23M → 24M
10:53 | 10:53/mi
40K· 24.85 mi
4:05:03
Rank: #22862 (-29)
24M → 40K
9:28 | 11:04/mi
25.2M
4:09:12
Rank: #22879 (-17)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:19:45
Rank: #22928 (-49)
25.2M → Finish
10:33 | 10:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:02
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:20:43
Pace10:44 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3227:508:5827:50
8:58
-
10K
6.21 mi12:22:2355:418:5827:51
8:58
0:00
15K
9.32 mi12:50:101:23:288:5727:47
8:57
-0:01
20K
12.43 mi13:19:241:52:429:0429:14
9:25
+0:28
Half
13.11 mi13:25:441:59:029:056:20
9:17
-0:08
25K
15.53 mi13:50:372:23:559:1624:53
10:16
+0:59
30K
18.64 mi14:23:152:56:339:2832:38
10:30
+0:14
20M
20.00 mi14:37:573:11:159:3414:42
10:49
+0:19
21M
21.00 mi14:49:013:22:199:3811:04
11:04
+0:15
35K
21.75 mi14:57:083:30:269:418:07
10:51
-0:13
23M
23.00 mi15:11:243:44:429:4614:16
11:24
+0:33
24M
24.00 mi15:22:173:55:359:4910:53
10:53
-0:31
40K
24.85 mi15:31:454:05:039:529:28
11:04
+0:11
25.2M
25.20 mi15:35:544:09:129:534:09
12:02
+0:58
Finish
26.22 mi15:46:274:19:459:5510:33
10:21
-1:41

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

8:57 /mi

Average Pace

9:55 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:02

46% of race

Time at Steady Pace

1:41:46

39% of race

Time at Slower Pace

38:57

15% of race

Average Pace: 9:54 /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 mi11:54:3227:508:5827:50
8:58
#22255
10K
6.21 mi12:22:2355:418:5827:51
8:58
#22271
15K
9.32 mi12:50:101:23:288:5727:47
8:57
#22098
20K
12.43 mi13:19:241:52:429:0429:14
9:25
#22239
Half
13.11 mi13:25:441:59:029:056:20
9:17
#22267
25K
15.53 mi13:50:372:23:559:1624:53
10:16
#22676
30K
18.64 mi14:23:152:56:339:2832:38
10:30
#22727
20M
20.00 mi14:37:573:11:159:3414:42
10:49
#22757
21M
21.00 mi14:49:013:22:199:3811:04
11:04
#22665
35K
21.75 mi14:57:083:30:269:418:07
10:51
#22717
23M
23.00 mi15:11:243:44:429:4614:16
11:24
#22808
24M
24.00 mi15:22:173:55:359:4910:53
10:53
#22833
40K
24.85 mi15:31:454:05:039:529:28
11:04
#22862
25.2M
25.20 mi15:35:544:09:129:534:09
12:02
#22879
Finish
26.22 mi15:46:274:19:459:5510:33
10:21
#22928
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi222558768876821775(Top 77%)8424(Top 69%)8424(Top 465%)
10K6.21 mi3.10 mi22271-168771-38771-322238(Top 78%)8734(Top 71%)8734(Top 482%)
15K9.32 mi3.11 mi22098+1738652+1198652+11921775(Top 77%)8424(Top 69%)8424(Top 465%)
20K12.43 mi3.11 mi22239-1418725-738725-7322609(Top 80%)8924(Top 73%)8924(Top 492%)
Half13.11 mi0.68 mi22267-288746-218746-2122937(Top 81%)9115(Top 75%)9115(Top 503%)
25K15.53 mi2.42 mi22676-4098964-2188964-21823869(Top 84%)9671(Top 79%)9671(Top 533%)
30K18.64 mi3.11 mi22727-519030-669030-6622953(Top 81%)9296(Top 76%)9296(Top 513%)
20M20.00 mi1.36 mi22757-309077-479077-4723215(Top 82%)9536(Top 78%)9536(Top 526%)
21M21.00 mi1.00 mi22665+929040+379040+3721604(Top 76%)8771(Top 72%)8771(Top 484%)
35K21.75 mi0.75 mi22717-529084-449084-4423922(Top 84%)10013(Top 82%)10013(Top 552%)
23M23.00 mi1.25 mi22808-919159-759159-7524077(Top 85%)10137(Top 83%)10137(Top 559%)
24M24.00 mi1.00 mi22833-259194-359194-3523742(Top 84%)9997(Top 82%)9997(Top 551%)
40K24.85 mi0.85 mi22862-299234-409234-4023318(Top 82%)9856(Top 81%)9856(Top 544%)
25.2M25.20 mi0.35 mi22879-179250-169250-1623325(Top 82%)9822(Top 80%)9822(Top 542%)
Finish26.22 mi1.02 mi22928-499282-329282-3223932(Top 84%)10135(Top 83%)10135(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21775

Females

8424

F45-49

8424

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22238

Females

8734

F45-49

8734

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21775

Females

8424

F45-49

8424

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

22609

Females

8924

F45-49

8924

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

22937

Females

9115

F45-49

9115

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23869

Females

9671

F45-49

9671

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

22953

Females

9296

F45-49

9296

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23215

Females

9536

F45-49

9536

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21604

Females

8771

F45-49

8771

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23922

Females

10013

F45-49

10013

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24077

Females

10137

F45-49

10137

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23742

Females

9997

F45-49

9997

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23318

Females

9856

F45-49

9856

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23325

Females

9822

F45-49

9822

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23932

Females

10135

F45-49

10135

Passing Analysis

Category:
Athletes Passed
1289
Passed By
1962
Net Change
-673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22255
5K → 10K250266-16#22255#22271
10K → 15K273100+173#22271#22098
15K → 20K141282-141#22098#22239
20K → Half2553-28#22239#22267
Half → 25K47456-409#22267#22676
25K → 30K152203-51#22676#22727
30K → 20M72102-30#22727#22757
20M → 21M11927+92#22757#22665
21M → 35K3284-52#22665#22717
35K → 23M46137-91#22717#22808
23M → 24M4570-25#22808#22833
24M → 40K4574-29#22833#22862
40K → 25.2M1835-17#22862#22879
25.2M → Finish2473-49#22879#22928
TOTALS12891962-673
📊

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