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BOSTON MARATHON 2025

Caroline Leland

Bib: 15708•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 50%
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
7:54/mi
24:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:12:36
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:36:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:00:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:27:09
↑ 181↓ 1480.2%
20M
8:14/mi
2:38:20
↑ 64↓ 500.2%
21M
9:11/mi
2:47:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:53:25
↑ 17↓ 861.7%
23M
8:22/mi
3:03:53
↑ 23↓ 630.6%
24M
7:50/mi
3:11:43
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:18:36
↓ 200.3%
25.2M
8:42/mi
3:21:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:29:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:02
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:47:30
Pace8:12 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3024:347:5424:34
7:54
-
10K
6.21 mi11:39:3848:427:5024:08
7:46
-0:08
15K
9.32 mi12:03:321:12:367:4723:54
7:42
-0:04
20K
12.43 mi12:27:391:36:437:4724:07
7:46
+0:04
Half
13.11 mi12:32:581:42:027:475:19
7:48
+0:02
25K
15.53 mi12:51:522:00:567:4718:54
7:48
0:00
30K
18.64 mi13:18:052:27:097:5426:13
8:26
+0:38
20M
20.00 mi13:29:162:38:207:5511:11
8:14
-0:12
21M
21.00 mi13:38:272:47:317:599:11
9:11
+0:57
35K
21.75 mi13:44:212:53:257:585:54
7:53
-1:18
23M
23.00 mi13:54:493:03:538:0010:28
8:22
+0:29
24M
24.00 mi14:02:393:11:437:597:50
7:50
-0:32
40K
24.85 mi14:09:323:18:367:596:53
8:03
+0:13
25.2M
25.20 mi14:12:323:21:368:003:00
8:42
+0:39
Finish
26.22 mi14:20:283:29:328:007:56
7:47
-0:55

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

7:42 /mi

Average Pace

8:00 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:21

94% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

9:11

4% of race

Average Pace: 7:59 /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 mi11:15:3024:347:5424:34
7:54
#15768
10K
6.21 mi11:39:3848:427:5024:08
7:46
#15125
15K
9.32 mi12:03:321:12:367:4723:54
7:42
#14528
20K
12.43 mi12:27:391:36:437:4724:07
7:46
#14106
Half
13.11 mi12:32:581:42:027:475:19
7:48
#14108
25K
15.53 mi12:51:522:00:567:4718:54
7:48
#13767
30K
18.64 mi13:18:052:27:097:5426:13
8:26
#13831
20M
20.00 mi13:29:162:38:207:5511:11
8:14
#13648
21M
21.00 mi13:38:272:47:317:599:11
9:11
#13673
35K
21.75 mi13:44:212:53:257:585:54
7:53
#13580
23M
23.00 mi13:54:493:03:538:0010:28
8:22
#13470
24M
24.00 mi14:02:393:11:437:597:50
7:50
#13318
40K
24.85 mi14:09:323:18:367:596:53
8:03
#13199
25.2M
25.20 mi14:12:323:21:368:003:00
8:42
#13144
Finish
26.22 mi14:20:283:29:328:007:56
7:47
#13088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157684997499713443(Top 47%)3705(Top 30%)3705(Top 68%)
10K6.21 mi3.10 mi15125+6434618+3794618+37914528(Top 51%)4265(Top 35%)4265(Top 78%)
15K9.32 mi3.11 mi14528+5974275+3434275+34313443(Top 47%)3705(Top 30%)3705(Top 68%)
20K12.43 mi3.11 mi14106+4224064+2114064+21112984(Top 46%)3543(Top 29%)3543(Top 65%)
Half13.11 mi0.68 mi14108-24065-14065-114238(Top 50%)4189(Top 34%)4189(Top 77%)
25K15.53 mi2.42 mi13767+3413908+1573908+15712332(Top 43%)3299(Top 27%)3299(Top 60%)
30K18.64 mi3.11 mi13831-644015-1074015-10714389(Top 51%)4572(Top 37%)4572(Top 84%)
20M20.00 mi1.36 mi13648+1833935+803935+8012035(Top 42%)3468(Top 28%)3468(Top 63%)
21M21.00 mi1.00 mi13673-253989-543989-5414541(Top 51%)4907(Top 40%)4907(Top 90%)
35K21.75 mi0.75 mi13580+933962+273962+2711519(Top 41%)3391(Top 28%)3391(Top 62%)
23M23.00 mi1.25 mi13470+1103939+233939+2312442(Top 44%)3972(Top 32%)3972(Top 73%)
24M24.00 mi1.00 mi13318+1523874+653874+6510116(Top 36%)2880(Top 24%)2880(Top 53%)
40K24.85 mi0.85 mi13199+1193837+373837+3710593(Top 37%)3217(Top 26%)3217(Top 59%)
25.2M25.20 mi0.35 mi13144+553819+183819+1810112(Top 36%)3099(Top 25%)3099(Top 57%)
Finish26.22 mi1.02 mi13088+563812+73812+711360(Top 40%)3646(Top 30%)3646(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13443

Females

3705

F18-39

3705

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14528

Females

4265

F18-39

4265

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13443

Females

3705

F18-39

3705

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12984

Females

3543

F18-39

3543

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14238

Females

4189

F18-39

4189

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12332

Females

3299

F18-39

3299

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14389

Females

4572

F18-39

4572

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

12035

Females

3468

F18-39

3468

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14541

Females

4907

F18-39

4907

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11519

Females

3391

F18-39

3391

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12442

Females

3972

F18-39

3972

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10116

Females

2880

F18-39

2880

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10593

Females

3217

F18-39

3217

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10112

Females

3099

F18-39

3099

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11360

Females

3646

F18-39

3646

Passing Analysis

Category:
Athletes Passed
3462
Passed By
782
Net Change
+2680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15768
5K → 10K73996+643#15768#15125
10K → 15K62023+597#15125#14528
15K → 20K45230+422#14528#14106
20K → Half3133-2#14106#14108
Half → 25K36625+341#14108#13767
25K → 30K227291-64#13767#13831
30K → 20M21532+183#13831#13648
20M → 21M91116-25#13648#13673
21M → 35K10613+93#13673#13580
35K → 23M16050+110#13580#13470
23M → 24M16311+152#13470#13318
24M → 40K14021+119#13318#13199
40K → 25.2M638+55#13199#13144
25.2M → Finish8933+56#13144#13088
TOTALS3462782+2680
📊

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