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BOSTON MARATHON 2025

Lisa Liberty

Bib: 27349•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:43/mi
33:19
↑ 97↓ 3451.5%
10K· 6.21 mi
10:52/mi
1:07:05
↑ 79↓ 1380.4%
15K· 9.32 mi
10:41/mi
1:40:16
↑ 67↓ 78
20K· 12.43 mi
11:01/mi
2:14:30
↑ 106↓ 860.1%
Half· 13.11 mi
10:39/mi
2:21:46
↑ 19↓ 370.5%
25K· 15.53 mi
11:17/mi
2:49:08
↑ 66↓ 880.2%
30K· 18.64 mi
13:18/mi
3:30:28
↑ 181↓ 1480.2%
20M
14:17/mi
3:49:52
↑ 64↓ 500.2%
21M
14:00/mi
4:03:52
↑ 106↓ 241.6%
35K· 21.75 mi
10:50/mi
4:11:58
↑ 17↓ 861.7%
23M
11:04/mi
4:25:49
↑ 23↓ 630.6%
24M
11:27/mi
4:37:16
↓ 821.3%
40K· 24.85 mi
11:20/mi
4:46:57
↓ 200.3%
25.2M
11:39/mi
4:50:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:46/mi
5:00:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:46
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:39:09
Pace12:08 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:5533:1910:4333:19
10:43
-
10K
6.21 mi12:32:411:07:0510:4833:46
10:52
+0:09
15K
9.32 mi13:05:521:40:1610:4533:11
10:41
-0:11
20K
12.43 mi13:40:062:14:3010:4934:14
11:01
+0:20
Half
13.11 mi13:47:222:21:4610:497:16
10:39
-0:22
25K
15.53 mi14:14:442:49:0810:5327:22
11:17
+0:38
30K
18.64 mi14:56:043:30:2811:1741:20
13:18
+2:01
20M
20.00 mi15:15:283:49:5211:3019:24
14:17
+0:59
21M
21.00 mi15:29:284:03:5211:3714:00
14:00
-0:17
35K
21.75 mi15:37:344:11:5811:358:06
10:50
-3:10
23M
23.00 mi15:51:254:25:4911:3313:51
11:04
+0:14
24M
24.00 mi16:02:524:37:1611:3311:27
11:27
+0:23
40K
24.85 mi16:12:334:46:5711:339:41
11:20
-0:07
25.2M
25.20 mi16:16:344:50:5811:334:01
11:39
+0:19
Finish
26.22 mi16:26:315:00:5511:299:57
9:46
-1:53

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

9:46 /mi

Average Pace

11:29 /mi

Slowest Pace

14:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:57

3% of race

Time at Steady Pace

3:36:14

72% of race

Time at Slower Pace

1:14:44

25% of race

Average Pace: 11:29 /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 mi11:58:5533:1910:4333:19
10:43
#27159
10K
6.21 mi12:32:411:07:0510:4833:46
10:52
#27016
15K
9.32 mi13:05:521:40:1610:4533:11
10:41
#26715
20K
12.43 mi13:40:062:14:3010:4934:14
11:01
#26520
Half
13.11 mi13:47:222:21:4610:497:16
10:39
#26498
25K
15.53 mi14:14:442:49:0810:5327:22
11:17
#26330
30K
18.64 mi14:56:043:30:2811:1741:20
13:18
#26530
20M
20.00 mi15:15:283:49:5211:3019:24
14:17
#26626
21M
21.00 mi15:29:284:03:5211:3714:00
14:00
#26618
35K
21.75 mi15:37:344:11:5811:358:06
10:50
#26554
23M
23.00 mi15:51:254:25:4911:3313:51
11:04
#26415
24M
24.00 mi16:02:524:37:1611:3311:27
11:27
#26364
40K
24.85 mi16:12:334:46:5711:339:41
11:20
#26283
25.2M
25.20 mi16:16:344:50:5811:334:01
11:39
#26242
Finish
26.22 mi16:26:315:00:5511:299:57
9:46
#26180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27159114241142426221(Top 92%)10900(Top 89%)10900(Top 199%)
10K6.21 mi3.10 mi27016+14311352+7211352+7226872(Top 95%)11289(Top 92%)11289(Top 206%)
15K9.32 mi3.11 mi26715+30111177+17511177+17526221(Top 92%)10900(Top 89%)10900(Top 199%)
20K12.43 mi3.11 mi26520+19511077+10011077+10026030(Top 92%)10829(Top 89%)10829(Top 198%)
Half13.11 mi0.68 mi26498+2211065+1211065+1226003(Top 92%)10827(Top 89%)10827(Top 198%)
25K15.53 mi2.42 mi26330+16810972+9310972+9325596(Top 90%)10629(Top 87%)10629(Top 194%)
30K18.64 mi3.11 mi26530-20011123-15111123-15126959(Top 95%)11467(Top 94%)11467(Top 210%)
20M20.00 mi1.36 mi26626-9611190-6711190-6727479(Top 97%)11807(Top 97%)11807(Top 216%)
21M21.00 mi1.00 mi26618+811194-411194-426223(Top 92%)11166(Top 91%)11166(Top 204%)
35K21.75 mi0.75 mi26554+6411166+2811166+2823844(Top 84%)9974(Top 82%)9974(Top 182%)
23M23.00 mi1.25 mi26415+13911096+7011096+7023367(Top 82%)9794(Top 80%)9794(Top 179%)
24M24.00 mi1.00 mi26364+5111078+1811078+1824804(Top 87%)10543(Top 86%)10543(Top 193%)
40K24.85 mi0.85 mi26283+8111048+3011048+3023798(Top 84%)10080(Top 82%)10080(Top 184%)
25.2M25.20 mi0.35 mi26242+4111025+2311025+2322379(Top 79%)9362(Top 77%)9362(Top 171%)
Finish26.22 mi1.02 mi26180+6210989+3610989+3622120(Top 78%)9228(Top 75%)9228(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26221

Females

10900

F18-39

10900

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26872

Females

11289

F18-39

11289

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26221

Females

10900

F18-39

10900

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26030

Females

10829

F18-39

10829

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26003

Females

10827

F18-39

10827

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25596

Females

10629

F18-39

10629

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26959

Females

11467

F18-39

11467

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27479

Females

11807

F18-39

11807

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26223

Females

11166

F18-39

11166

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23844

Females

9974

F18-39

9974

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23367

Females

9794

F18-39

9794

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24804

Females

10543

F18-39

10543

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23798

Females

10080

F18-39

10080

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22379

Females

9362

F18-39

9362

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22120

Females

9228

F18-39

9228

Passing Analysis

Category:
Athletes Passed
1543
Passed By
564
Net Change
+979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27159
5K → 10K22986+143#27159#27016
10K → 15K3098+301#27016#26715
15K → 20K22631+195#26715#26520
20K → Half3311+22#26520#26498
Half → 25K18618+168#26498#26330
25K → 30K41241-200#26330#26530
30K → 20M19115-96#26530#26626
20M → 21M4133+8#26626#26618
21M → 35K662+64#26618#26554
35K → 23M1412+139#26554#26415
23M → 24M554+51#26415#26364
24M → 40K876+81#26364#26283
40K → 25.2M410+41#26283#26242
25.2M → Finish697+62#26242#26180
TOTALS1543564+979
📊

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