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BOSTON MARATHON 2025

Laura Mortimer

Bib: 16516•F

CO

0:00
0:00
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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

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #14692
Start → 5K
7:47/mi
24:11 split
10K· 6.21 mi
48:05
Rank: #14242 (+450)
5K → 10K
7:42/mi
23:54 split
15K· 9.32 mi
1:12:46
Rank: #14684 (-442)
10K → 15K
7:57/mi
24:41 split
20K· 12.43 mi
1:43:40
Rank: #18266 (-3582)
15K → 20K
9:57/mi
30:54 split
Half· 13.11 mi
1:50:07
Rank: #18641 (-375)
20K → Half
9:27/mi
6:27 split
25K· 15.53 mi
2:15:58
Rank: #20376 (-1735)
Half → 25K
10:40/mi
25:51 split
30K· 18.64 mi
2:48:05
Rank: #20953 (-577)
25K → 30K
10:20/mi
32:07 split
20M
3:04:55
Rank: #21668 (-715)
30K → 20M
12:23/mi
16:50 split
21M
3:15:58
Rank: #21658 (+10)
20M → 21M
11:03/mi
11:03 split
35K· 21.75 mi
3:24:45
Rank: #21887 (-229)
21M → 35K
11:44/mi
8:47 split
23M
3:38:52
Rank: #22012 (-125)
35K → 23M
11:16/mi
14:07 split
24M
3:50:20
Rank: #22179 (-167)
23M → 24M
11:28/mi
11:28 split
40K· 24.85 mi
4:00:21
Rank: #22299 (-120)
24M → 40K
11:43/mi
10:01 split
25.2M
4:04:57
Rank: #22346 (-47)
40K → 25.2M
13:20/mi
4:36 split
Finish· 26.22 mi
4:15:24
Rank: #22406 (-60)
25.2M → Finish
10:15/mi
10:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:25:17
Pace11:05 /mi
📊Positive Split: 31.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1724:117:4724:11
7:47
-
10K
6.21 mi11:22:1148:057:4423:54
7:42
-0:05
15K
9.32 mi11:46:521:12:467:4824:41
7:57
+0:15
20K
12.43 mi12:17:461:43:408:2130:54
9:57
+2:00
Half
13.11 mi12:24:131:50:078:246:27
9:27
-0:30
25K
15.53 mi12:50:042:15:588:4525:51
10:40
+1:13
30K
18.64 mi13:22:112:48:059:0132:07
10:20
-0:20
20M
20.00 mi13:39:013:04:559:1516:50
12:23
+2:03
21M
21.00 mi13:50:043:15:589:2011:03
11:03
-1:20
35K
21.75 mi13:58:513:24:459:258:47
11:44
+0:41
23M
23.00 mi14:12:583:38:529:3114:07
11:16
-0:28
24M
24.00 mi14:24:263:50:209:3611:28
11:28
+0:12
40K
24.85 mi14:34:274:00:219:4010:01
11:43
+0:15
25.2M
25.20 mi14:39:034:04:579:434:36
13:20
+1:37
Finish
26.22 mi14:49:304:15:249:4510:27
10:15
-3:05

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

9:45 /mi

Slowest Pace

13:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:13

31% of race

Time at Steady Pace

2:15:57

53% of race

Time at Slower Pace

40:14

16% of race

Average Pace: 9:44 /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 mi10:58:1724:117:4724:11
7:47
#14692
10K
6.21 mi11:22:1148:057:4423:54
7:42
#14242
15K
9.32 mi11:46:521:12:467:4824:41
7:57
#14684
20K
12.43 mi12:17:461:43:408:2130:54
9:57
#18266
Half
13.11 mi12:24:131:50:078:246:27
9:27
#18641
25K
15.53 mi12:50:042:15:588:4525:51
10:40
#20376
30K
18.64 mi13:22:112:48:059:0132:07
10:20
#20953
20M
20.00 mi13:39:013:04:559:1516:50
12:23
#21668
21M
21.00 mi13:50:043:15:589:2011:03
11:03
#21658
35K
21.75 mi13:58:513:24:459:258:47
11:44
#21887
23M
23.00 mi14:12:583:38:529:3114:07
11:16
#22012
24M
24.00 mi14:24:263:50:209:3611:28
11:28
#22179
40K
24.85 mi14:34:274:00:219:4010:01
11:43
#22299
25.2M
25.20 mi14:39:034:04:579:434:36
13:20
#22346
Finish
26.22 mi14:49:304:15:249:4510:27
10:15
#22406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146924348434815643(Top 55%)4936(Top 40%)4936(Top 90%)
10K6.21 mi3.10 mi14242+4504084+2644084+26413854(Top 49%)3876(Top 32%)3876(Top 71%)
15K9.32 mi3.11 mi14684-4424366-2824366-28215643(Top 55%)4936(Top 40%)4936(Top 90%)
20K12.43 mi3.11 mi18266-35826494-21286494-212824120(Top 85%)9776(Top 80%)9776(Top 179%)
Half13.11 mi0.68 mi18641-3756706-2126706-21223440(Top 83%)9392(Top 77%)9392(Top 172%)
25K15.53 mi2.42 mi20376-17357702-9967702-99624653(Top 87%)10102(Top 83%)10102(Top 185%)
30K18.64 mi3.11 mi20953-5778066-3648066-36422564(Top 79%)9083(Top 74%)9083(Top 166%)
20M20.00 mi1.36 mi21668-7158453-3878453-38725785(Top 91%)10894(Top 89%)10894(Top 199%)
21M21.00 mi1.00 mi21658+108477-248477-2421551(Top 76%)8741(Top 71%)8741(Top 160%)
35K21.75 mi0.75 mi21887-2298614-1378614-13725480(Top 90%)10834(Top 89%)10834(Top 198%)
23M23.00 mi1.25 mi22012-1258724-1108724-11023841(Top 84%)10023(Top 82%)10023(Top 183%)
24M24.00 mi1.00 mi22179-1678843-1198843-11924846(Top 87%)10556(Top 86%)10556(Top 193%)
40K24.85 mi0.85 mi22299-1208920-778920-7724510(Top 86%)10427(Top 85%)10427(Top 191%)
25.2M25.20 mi0.35 mi22346-478956-368956-3625489(Top 90%)10936(Top 89%)10936(Top 200%)
Finish26.22 mi1.02 mi22406-609003-479003-4723689(Top 83%)10016(Top 82%)10016(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15643

Females

4936

F18-39

4936

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13854

Females

3876

F18-39

3876

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15643

Females

4936

F18-39

4936

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24120

Females

9776

F18-39

9776

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23440

Females

9392

F18-39

9392

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24653

Females

10102

F18-39

10102

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22564

Females

9083

F18-39

9083

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25785

Females

10894

F18-39

10894

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21551

Females

8741

F18-39

8741

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25480

Females

10834

F18-39

10834

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23841

Females

10023

F18-39

10023

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24846

Females

10556

F18-39

10556

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24510

Females

10427

F18-39

10427

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25489

Females

10936

F18-39

10936

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23689

Females

10016

F18-39

10016

Passing Analysis

Category:
Athletes Passed
967
Passed By
8681
Net Change
-7714
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14692
5K → 10K564114+450#14692#14242
10K → 15K89531-442#14242#14684
15K → 20K73589-3582#14684#18266
20K → Half1376-375#18266#18641
Half → 25K101745-1735#18641#20376
25K → 30K79656-577#20376#20953
30K → 20M10725-715#20953#21668
20M → 21M9282+10#21668#21658
21M → 35K8237-229#21658#21887
35K → 23M49174-125#21887#22012
23M → 24M16183-167#22012#22179
24M → 40K16136-120#22179#22299
40K → 25.2M552-47#22299#22346
25.2M → Finish2181-60#22346#22406
TOTALS9678681-7714
📊

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