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BOSTON MARATHON 2025

Lacey Liebert

Bib: 11929•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F40-44)
#0 / 1718
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #8171
Start → 5K
21:53 | 7:03/mi
10K· 6.21 mi
43:32
Rank: #7902 (+269)
5K → 10K
21:39 | 6:58/mi
15K· 9.32 mi
1:05:15
Rank: #7761 (+141)
10K → 15K
21:43 | 6:59/mi
20K· 12.43 mi
1:27:08
Rank: #7569 (+192)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:31:54
Rank: #7564 (+5)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:56
Rank: #7343 (+221)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:10:59
Rank: #6843 (+500)
25K → 30K
22:03 | 7:06/mi
20M
2:20:31
Rank: #6549 (+294)
30K → 20M
9:32 | 7:01/mi
21M
2:27:56
Rank: #6352 (+197)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:33:24
Rank: #6342 (+10)
21M → 35K
5:28 | 7:18/mi
23M
2:43:29
Rank: #6465 (-123)
35K → 23M
10:05 | 8:03/mi
24M
2:50:35
Rank: #6352 (+113)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:57:11
Rank: #6377 (-25)
24M → 40K
6:36 | 7:43/mi
25.2M
3:00:07
Rank: #6384 (-7)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:07:21
Rank: #6319 (+65)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:54
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:35:27
Pace7:17 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4121:537:0321:53
7:03
-
10K
6.21 mi11:11:2043:327:0021:39
6:58
-0:05
15K
9.32 mi11:33:031:05:157:0021:43
6:59
+0:01
20K
12.43 mi11:54:561:27:087:0121:53
7:03
+0:04
Half
13.11 mi11:59:421:31:547:014:46
6:59
-0:04
25K
15.53 mi12:16:441:48:567:0117:02
7:02
+0:03
30K
18.64 mi12:38:472:10:597:0222:03
7:06
+0:04
20M
20.00 mi12:48:192:20:317:029:32
7:01
-0:05
21M
21.00 mi12:55:442:27:567:037:25
7:25
+0:24
35K
21.75 mi13:01:122:33:247:035:28
7:18
-0:07
23M
23.00 mi13:11:172:43:297:0610:05
8:03
+0:45
24M
24.00 mi13:18:232:50:357:067:06
7:06
-0:57
40K
24.85 mi13:24:592:57:117:086:36
7:43
+0:37
25.2M
25.20 mi13:27:553:00:077:092:56
8:30
+0:47
Finish
26.22 mi13:35:093:07:217:097:14
7:06
-1:24

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

6:58 /mi

Average Pace

7:09 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:40:19

86% of race

Time at Slower Pace

27:02

14% of race

Average Pace: 7:09 /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 mi10:49:4121:537:0321:53
7:03
#8171
10K
6.21 mi11:11:2043:327:0021:39
6:58
#7902
15K
9.32 mi11:33:031:05:157:0021:43
6:59
#7761
20K
12.43 mi11:54:561:27:087:0121:53
7:03
#7569
Half
13.11 mi11:59:421:31:547:014:46
6:59
#7564
25K
15.53 mi12:16:441:48:567:0117:02
7:02
#7343
30K
18.64 mi12:38:472:10:597:0222:03
7:06
#6843
20M
20.00 mi12:48:192:20:317:029:32
7:01
#6549
21M
21.00 mi12:55:442:27:567:037:25
7:25
#6352
35K
21.75 mi13:01:122:33:247:035:28
7:18
#6342
23M
23.00 mi13:11:172:43:297:0610:05
8:03
#6465
24M
24.00 mi13:18:232:50:357:067:06
7:06
#6352
40K
24.85 mi13:24:592:57:117:086:36
7:43
#6377
25.2M
25.20 mi13:27:553:00:077:092:56
8:30
#6384
Finish
26.22 mi13:35:093:07:217:097:14
7:06
#6319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8171103910397575(Top 27%)890(Top 7%)890(Top 52%)
10K6.21 mi3.10 mi7902+269962+77962+777727(Top 27%)911(Top 7%)911(Top 53%)
15K9.32 mi3.11 mi7761+141915+47915+477575(Top 27%)890(Top 7%)890(Top 52%)
20K12.43 mi3.11 mi7569+192874+41874+417165(Top 25%)828(Top 7%)828(Top 48%)
Half13.11 mi0.68 mi7564+5875-1875-17538(Top 27%)907(Top 7%)907(Top 53%)
25K15.53 mi2.42 mi7343+221824+51824+516496(Top 23%)720(Top 6%)720(Top 42%)
30K18.64 mi3.11 mi6843+500739+85739+855306(Top 19%)510(Top 4%)510(Top 30%)
20M20.00 mi1.36 mi6549+294689+50689+504229(Top 15%)362(Top 3%)362(Top 21%)
21M21.00 mi1.00 mi6352+197655+34655+344234(Top 15%)422(Top 3%)422(Top 25%)
35K21.75 mi0.75 mi6342+10668-13668-137302(Top 26%)1403(Top 11%)1403(Top 82%)
23M23.00 mi1.25 mi6465-123723-55723-5510428(Top 37%)2951(Top 24%)2951(Top 172%)
24M24.00 mi1.00 mi6352+113718+5718+55245(Top 18%)807(Top 7%)807(Top 47%)
40K24.85 mi0.85 mi6377-25751-33751-338228(Top 29%)2077(Top 17%)2077(Top 121%)
25.2M25.20 mi0.35 mi6384-7760-9760-98835(Top 31%)2419(Top 20%)2419(Top 141%)
Finish26.22 mi1.02 mi6319+65764-4764-46384(Top 22%)1385(Top 11%)1385(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7575

Females

890

F40-44

890

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7727

Females

911

F40-44

911

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7575

Females

890

F40-44

890

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7165

Females

828

F40-44

828

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7538

Females

907

F40-44

907

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6496

Females

720

F40-44

720

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5306

Females

510

F40-44

510

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4229

Females

362

F40-44

362

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4234

Females

422

F40-44

422

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7302

Females

1403

F40-44

1403

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10428

Females

2951

F40-44

2951

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5245

Females

807

F40-44

807

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8228

Females

2077

F40-44

2077

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8835

Females

2419

F40-44

2419

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6384

Females

1385

F40-44

1385

Passing Analysis

Category:
Athletes Passed
2485
Passed By
633
Net Change
+1852
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8171
5K → 10K381112+269#8171#7902
10K → 15K21170+141#7902#7761
15K → 20K24149+192#7761#7569
20K → Half2217+5#7569#7564
Half → 25K24120+221#7564#7343
25K → 30K5055+500#7343#6843
30K → 20M2962+294#6843#6549
20M → 21M1992+197#6549#6352
21M → 35K4737+10#6352#6342
35K → 23M52175-123#6342#6465
23M → 24M12512+113#6465#6352
24M → 40K4873-25#6352#6377
40K → 25.2M2330-7#6377#6384
25.2M → Finish9429+65#6384#6319
TOTALS2485633+1852
📊

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