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BOSTON MARATHON 2025

Caitlin Lakhdar

Bib: 27691•F

FL

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
10:50/mi
33:38
↑ 97↓ 3451.5%
10K· 6.21 mi
10:16/mi
1:05:31
↑ 79↓ 1380.4%
15K· 9.32 mi
10:13/mi
1:37:15
↑ 67↓ 78
20K· 12.43 mi
10:32/mi
2:09:58
↑ 106↓ 860.1%
Half· 13.11 mi
10:01/mi
2:16:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:41/mi
2:42:43
↑ 66↓ 880.2%
30K· 18.64 mi
11:12/mi
3:17:32
↑ 181↓ 1480.2%
20M
11:07/mi
3:32:39
↑ 64↓ 500.2%
21M
11:53/mi
3:44:32
↑ 106↓ 241.6%
35K· 21.75 mi
10:50/mi
3:52:38
↑ 17↓ 861.7%
23M
11:20/mi
4:06:49
↑ 23↓ 630.6%
24M
11:25/mi
4:18:14
↓ 821.3%
40K· 24.85 mi
11:37/mi
4:28:10
↓ 200.3%
25.2M
11:53/mi
4:32:16
↑ 13↓ 160.2%
Finish· 26.22 mi
10:07/mi
4:42:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:48
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:25:47
Pace11:07 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3933:3810:5033:38
10:50
-
10K
6.21 mi12:21:321:05:3110:3331:53
10:16
-0:34
15K
9.32 mi12:53:161:37:1510:2631:44
10:13
-0:03
20K
12.43 mi13:25:592:09:5810:2732:43
10:32
+0:19
Half
13.11 mi13:32:492:16:4810:266:50
10:01
-0:31
25K
15.53 mi13:58:442:42:4310:2825:55
10:41
+0:40
30K
18.64 mi14:33:333:17:3210:3634:49
11:12
+0:31
20M
20.00 mi14:48:403:32:3910:3815:07
11:07
-0:05
21M
21.00 mi15:00:333:44:3210:4211:53
11:53
+0:46
35K
21.75 mi15:08:393:52:3810:428:06
10:50
-1:03
23M
23.00 mi15:22:504:06:4910:4414:11
11:20
+0:30
24M
24.00 mi15:34:154:18:1410:4611:25
11:25
+0:05
40K
24.85 mi15:44:114:28:1010:479:56
11:37
+0:12
25.2M
25.20 mi15:48:174:32:1610:484:06
11:53
+0:16
Finish
26.22 mi15:58:364:42:3510:4710:19
10:07
-1:46

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

10:01 /mi

Average Pace

10:47 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:08

64% of race

Time at Steady Pace

1:25:28

30% of race

Time at Slower Pace

15:59

6% of race

Average Pace: 10:47 /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 mi11:49:3933:3810:5033:38
10:50
#27319
10K
6.21 mi12:21:321:05:3110:3331:53
10:16
#26577
15K
9.32 mi12:53:161:37:1510:2631:44
10:13
#26161
20K
12.43 mi13:25:592:09:5810:2732:43
10:32
#25898
Half
13.11 mi13:32:492:16:4810:266:50
10:01
#25860
25K
15.53 mi13:58:442:42:4310:2825:55
10:41
#25654
30K
18.64 mi14:33:333:17:3210:3634:49
11:12
#25405
20M
20.00 mi14:48:403:32:3910:3815:07
11:07
#25302
21M
21.00 mi15:00:333:44:3210:4211:53
11:53
#25218
35K
21.75 mi15:08:393:52:3810:428:06
10:50
#25183
23M
23.00 mi15:22:504:06:4910:4414:11
11:20
#25116
24M
24.00 mi15:34:154:18:1410:4611:25
11:25
#25100
40K
24.85 mi15:44:114:28:1010:479:56
11:37
#25094
25.2M
25.20 mi15:48:174:32:1610:484:06
11:53
#25058
Finish
26.22 mi15:58:364:42:3510:4710:19
10:07
#25034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27319115161151625437(Top 90%)10473(Top 86%)10473(Top 191%)
10K6.21 mi3.10 mi26577+74211091+42511091+42525846(Top 91%)10710(Top 88%)10710(Top 196%)
15K9.32 mi3.11 mi26161+41610869+22210869+22225437(Top 90%)10473(Top 86%)10473(Top 191%)
20K12.43 mi3.11 mi25898+26310731+13810731+13825229(Top 89%)10393(Top 85%)10393(Top 190%)
Half13.11 mi0.68 mi25860+3810712+1910712+1924840(Top 87%)10190(Top 83%)10190(Top 186%)
25K15.53 mi2.42 mi25654+20610601+11110601+11124692(Top 87%)10126(Top 83%)10126(Top 185%)
30K18.64 mi3.11 mi25405+24910506+9510506+9524380(Top 86%)10067(Top 82%)10067(Top 184%)
20M20.00 mi1.36 mi25302+10310468+3810468+3823829(Top 84%)9868(Top 81%)9868(Top 180%)
21M21.00 mi1.00 mi25218+8410434+3410434+3423369(Top 82%)9697(Top 79%)9697(Top 177%)
35K21.75 mi0.75 mi25183+3510419+1510419+1523837(Top 84%)9967(Top 82%)9967(Top 182%)
23M23.00 mi1.25 mi25116+6710393+2610393+2623923(Top 84%)10066(Top 82%)10066(Top 184%)
24M24.00 mi1.00 mi25100+1610394-110394-124726(Top 87%)10507(Top 86%)10507(Top 192%)
40K24.85 mi0.85 mi25094+610397-310397-324312(Top 86%)10331(Top 84%)10331(Top 189%)
25.2M25.20 mi0.35 mi25058+3610384+1310384+1322936(Top 81%)9636(Top 79%)9636(Top 176%)
Finish26.22 mi1.02 mi25034+2410377+710377+723265(Top 82%)9807(Top 80%)9807(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25437

Females

10473

F18-39

10473

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25846

Females

10710

F18-39

10710

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25437

Females

10473

F18-39

10473

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25229

Females

10393

F18-39

10393

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24840

Females

10190

F18-39

10190

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24692

Females

10126

F18-39

10126

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24380

Females

10067

F18-39

10067

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23829

Females

9868

F18-39

9868

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23369

Females

9697

F18-39

9697

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23837

Females

9967

F18-39

9967

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23923

Females

10066

F18-39

10066

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24726

Females

10507

F18-39

10507

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24312

Females

10331

F18-39

10331

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22936

Females

9636

F18-39

9636

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23265

Females

9807

F18-39

9807

Passing Analysis

Category:
Athletes Passed
2458
Passed By
173
Net Change
+2285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27319
5K → 10K7464+742#27319#26577
10K → 15K4226+416#26577#26161
15K → 20K28522+263#26161#25898
20K → Half424+38#25898#25860
Half → 25K21711+206#25860#25654
25K → 30K26617+249#25654#25405
30K → 20M12219+103#25405#25302
20M → 21M906+84#25302#25218
21M → 35K416+35#25218#25183
35K → 23M8013+67#25183#25116
23M → 24M4226+16#25116#25100
24M → 40K3226+6#25100#25094
40K → 25.2M393+36#25094#25058
25.2M → Finish3410+24#25058#25034
TOTALS2458173+2285
📊

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