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BOSTON MARATHON 2025

Laura Colhoun

Bib: 28994•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:32
Rank: #24268
Start → 5K
29:32 | 9:30/mi
10K· 6.21 mi
58:42
Rank: #24031 (+237)
5K → 10K
29:10 | 9:23/mi
15K· 9.32 mi
1:29:58
Rank: #24446 (-415)
10K → 15K
31:16 | 10:04/mi
20K· 12.43 mi
2:00:14
Rank: #24237 (+209)
15K → 20K
30:16 | 9:45/mi
Half· 13.11 mi
2:06:41
Rank: #24201 (+36)
20K → Half
6:27 | 9:27/mi
25K· 15.53 mi
2:31:14
Rank: #24067 (+134)
Half → 25K
24:33 | 10:08/mi
30K· 18.64 mi
3:04:32
Rank: #23964 (+103)
25K → 30K
33:18 | 10:43/mi
20M
3:19:03
Rank: #23886 (+78)
30K → 20M
14:31 | 10:41/mi
21M
3:30:46
Rank: #23829 (+57)
20M → 21M
11:43 | 11:43/mi
35K· 21.75 mi
3:38:18
Rank: #23764 (+65)
21M → 35K
7:32 | 10:04/mi
23M
3:51:14
Rank: #23622 (+142)
35K → 23M
12:56 | 10:20/mi
24M
4:01:15
Rank: #23528 (+94)
23M → 24M
10:01 | 10:01/mi
40K· 24.85 mi
4:10:15
Rank: #23469 (+59)
24M → 40K
9:00 | 10:32/mi
25.2M
4:14:06
Rank: #23418 (+51)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:24:24
Rank: #23431 (-13)
25.2M → Finish
10:18 | 10:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:41
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:17:43
Pace10:30 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5929:329:3029:32
9:30
-
10K
6.21 mi12:18:0958:429:2729:10
9:23
-0:07
15K
9.32 mi12:49:251:29:589:3931:16
10:04
+0:41
20K
12.43 mi13:19:412:00:149:4030:16
9:45
-0:19
Half
13.11 mi13:26:082:06:419:406:27
9:27
-0:18
25K
15.53 mi13:50:412:31:149:4424:33
10:08
+0:41
30K
18.64 mi14:23:593:04:329:5433:18
10:43
+0:35
20M
20.00 mi14:38:303:19:039:5714:31
10:41
-0:02
21M
21.00 mi14:50:133:30:4610:0211:43
11:43
+1:02
35K
21.75 mi14:57:453:38:1810:027:32
10:04
-1:39
23M
23.00 mi15:10:413:51:1410:0312:56
10:20
+0:16
24M
24.00 mi15:20:424:01:1510:0310:01
10:01
-0:19
40K
24.85 mi15:29:424:10:1510:049:00
10:32
+0:31
25.2M
25.20 mi15:33:334:14:0610:053:51
11:10
+0:38
Finish
26.22 mi15:43:514:24:2410:0510:18
10:06
-1:04

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

9:23 /mi

Average Pace

10:05 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:25

36% of race

Time at Steady Pace

1:36:36

37% of race

Time at Slower Pace

1:12:23

27% of race

Average Pace: 10:05 /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 mi11:48:5929:329:3029:32
9:30
#24268
10K
6.21 mi12:18:0958:429:2729:10
9:23
#24031
15K
9.32 mi12:49:251:29:589:3931:16
10:04
#24446
20K
12.43 mi13:19:412:00:149:4030:16
9:45
#24237
Half
13.11 mi13:26:082:06:419:406:27
9:27
#24201
25K
15.53 mi13:50:412:31:149:4424:33
10:08
#24067
30K
18.64 mi14:23:593:04:329:5433:18
10:43
#23964
20M
20.00 mi14:38:303:19:039:5714:31
10:41
#23886
21M
21.00 mi14:50:133:30:4610:0211:43
11:43
#23829
35K
21.75 mi14:57:453:38:1810:027:32
10:04
#23764
23M
23.00 mi15:10:413:51:1410:0312:56
10:20
#23622
24M
24.00 mi15:20:424:01:1510:0310:01
10:01
#23528
40K
24.85 mi15:29:424:10:1510:049:00
10:32
#23469
25.2M
25.20 mi15:33:334:14:0610:053:51
11:10
#23418
Finish
26.22 mi15:43:514:24:2410:0510:18
10:06
#23431
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi242689834983425126(Top 88%)10290(Top 84%)10290(Top 599%)
10K6.21 mi3.10 mi24031+2379703+1319703+13123801(Top 84%)9567(Top 78%)9567(Top 557%)
15K9.32 mi3.11 mi24446-4159930-2279930-22725126(Top 88%)10290(Top 84%)10290(Top 599%)
20K12.43 mi3.11 mi24237+2099826+1049826+10423610(Top 83%)9488(Top 78%)9488(Top 552%)
Half13.11 mi0.68 mi24201+369811+159811+1523459(Top 83%)9411(Top 77%)9411(Top 548%)
25K15.53 mi2.42 mi24067+1349745+669745+6623568(Top 83%)9517(Top 78%)9517(Top 554%)
30K18.64 mi3.11 mi23964+1039709+369709+3623442(Top 83%)9574(Top 78%)9574(Top 557%)
20M20.00 mi1.36 mi23886+789687+229687+2222923(Top 81%)9382(Top 77%)9382(Top 546%)
21M21.00 mi1.00 mi23829+579670+179670+1723069(Top 81%)9533(Top 78%)9533(Top 555%)
35K21.75 mi0.75 mi23764+659650+209650+2022119(Top 78%)9098(Top 74%)9098(Top 530%)
23M23.00 mi1.25 mi23622+1429592+589592+5821533(Top 76%)8839(Top 72%)8839(Top 514%)
24M24.00 mi1.00 mi23528+949558+349558+3421435(Top 75%)8830(Top 72%)8830(Top 514%)
40K24.85 mi0.85 mi23469+599539+199539+1922016(Top 78%)9207(Top 75%)9207(Top 536%)
25.2M25.20 mi0.35 mi23418+519525+149525+1421181(Top 75%)8764(Top 72%)8764(Top 510%)
Finish26.22 mi1.02 mi23431-139549-249549-2423255(Top 82%)9797(Top 80%)9797(Top 570%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25126

Females

10290

F40-44

10290

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23801

Females

9567

F40-44

9567

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25126

Females

10290

F40-44

10290

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23610

Females

9488

F40-44

9488

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23459

Females

9411

F40-44

9411

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23568

Females

9517

F40-44

9517

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23442

Females

9574

F40-44

9574

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

22923

Females

9382

F40-44

9382

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23069

Females

9533

F40-44

9533

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22119

Females

9098

F40-44

9098

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21533

Females

8839

F40-44

8839

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21435

Females

8830

F40-44

8830

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22016

Females

9207

F40-44

9207

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21181

Females

8764

F40-44

8764

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23255

Females

9797

F40-44

9797

Passing Analysis

Category:
Athletes Passed
1802
Passed By
965
Net Change
+837
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24268
5K → 10K368131+237#24268#24031
10K → 15K42457-415#24031#24446
15K → 20K25445+209#24446#24237
20K → Half4610+36#24237#24201
Half → 25K18349+134#24201#24067
25K → 30K20299+103#24067#23964
30K → 20M11638+78#23964#23886
20M → 21M9235+57#23886#23829
21M → 35K705+65#23829#23764
35K → 23M1519+142#23764#23622
23M → 24M10410+94#23622#23528
24M → 40K8122+59#23528#23469
40K → 25.2M576+51#23469#23418
25.2M → Finish3649-13#23418#23431
TOTALS1802965+837
📊

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