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BOSTON MARATHON 2025

Caroline Coughlin

Bib: 26963•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
10:00/mi
31:05
↑ 97↓ 3451.5%
10K· 6.21 mi
10:23/mi
1:03:22
↑ 79↓ 1380.4%
15K· 9.32 mi
11:44/mi
1:39:50
↑ 67↓ 78
20K· 12.43 mi
10:29/mi
2:12:25
↑ 106↓ 860.1%
Half· 13.11 mi
10:19/mi
2:19:27
↑ 19↓ 370.5%
25K· 15.53 mi
12:22/mi
2:49:27
↑ 66↓ 880.2%
30K· 18.64 mi
13:53/mi
3:32:36
↑ 181↓ 1480.2%
20M
12:54/mi
3:50:08
↑ 64↓ 500.2%
21M
13:17/mi
4:03:25
↑ 106↓ 241.6%
35K· 21.75 mi
11:26/mi
4:11:58
↑ 17↓ 861.7%
23M
12:04/mi
4:27:05
↑ 23↓ 630.6%
24M
11:25/mi
4:38:30
↓ 821.3%
40K· 24.85 mi
12:39/mi
4:49:19
↓ 200.3%
25.2M
12:40/mi
4:53:41
↑ 13↓ 160.2%
Finish· 26.22 mi
11:17/mi
5:05:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:27
Pace10:38 /mi
2nd Half
Distance13.11 mi
Time2:45:44
Pace12:39 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3931:0510:0031:05
10:00
-
10K
6.21 mi12:28:561:03:2210:1232:17
10:23
+0:23
15K
9.32 mi13:05:241:39:5010:4336:28
11:44
+1:21
20K
12.43 mi13:37:592:12:2510:3932:35
10:29
-1:15
Half
13.11 mi13:45:012:19:2710:387:02
10:19
-0:10
25K
15.53 mi14:15:012:49:2710:5430:00
12:22
+2:03
30K
18.64 mi14:58:103:32:3611:2443:09
13:53
+1:31
20M
20.00 mi15:15:423:50:0811:3017:32
12:54
-0:59
21M
21.00 mi15:28:594:03:2511:3513:17
13:17
+0:23
35K
21.75 mi15:37:324:11:5811:358:33
11:26
-1:51
23M
23.00 mi15:52:394:27:0511:3715:07
12:04
+0:38
24M
24.00 mi16:04:044:38:3011:3611:25
11:25
-0:39
40K
24.85 mi16:14:534:49:1911:3810:49
12:39
+1:14
25.2M
25.20 mi16:19:154:53:4111:394:22
12:40
+0:01
Finish
26.22 mi16:30:455:05:1111:3911:30
11:17
-1:23

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

10:00 /mi

Average Pace

11:39 /mi

Slowest Pace

13:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:59

34% of race

Time at Steady Pace

1:23:03

27% of race

Time at Slower Pace

1:59:09

39% of race

Average Pace: 11:38 /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 mi11:56:3931:0510:0031:05
10:00
#25583
10K
6.21 mi12:28:561:03:2210:1232:17
10:23
#25904
15K
9.32 mi13:05:241:39:5010:4336:28
11:44
#26650
20K
12.43 mi13:37:592:12:2510:3932:35
10:29
#26255
Half
13.11 mi13:45:012:19:2710:387:02
10:19
#26208
25K
15.53 mi14:15:012:49:2710:5430:00
12:22
#26355
30K
18.64 mi14:58:103:32:3611:2443:09
13:53
#26658
20M
20.00 mi15:15:423:50:0811:3017:32
12:54
#26647
21M
21.00 mi15:28:594:03:2511:3513:17
13:17
#26596
35K
21.75 mi15:37:324:11:5811:358:33
11:26
#26555
23M
23.00 mi15:52:394:27:0511:3715:07
12:04
#26478
24M
24.00 mi16:04:044:38:3011:3611:25
11:25
#26439
40K
24.85 mi16:14:534:49:1911:3810:49
12:39
#26420
25.2M
25.20 mi16:19:154:53:4111:394:22
12:40
#26401
Finish
26.22 mi16:30:455:05:1111:3911:30
11:17
#26387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25583105301053027432(Top 97%)11641(Top 95%)11641(Top 213%)
10K6.21 mi3.10 mi25904-32110717-18710717-18726076(Top 92%)10833(Top 89%)10833(Top 198%)
15K9.32 mi3.11 mi26650-74611140-42311140-42327432(Top 97%)11641(Top 95%)11641(Top 213%)
20K12.43 mi3.11 mi26255+39510919+22110919+22125167(Top 89%)10357(Top 85%)10357(Top 189%)
Half13.11 mi0.68 mi26208+4710898+2110898+2125456(Top 90%)10528(Top 86%)10528(Top 193%)
25K15.53 mi2.42 mi26355-14710984-8610984-8626813(Top 94%)11322(Top 93%)11322(Top 207%)
30K18.64 mi3.11 mi26658-30311198-21411198-21427428(Top 97%)11735(Top 96%)11735(Top 215%)
20M20.00 mi1.36 mi26647+1111203-511203-526346(Top 93%)11193(Top 92%)11193(Top 205%)
21M21.00 mi1.00 mi26596+5111183+2011183+2025406(Top 89%)10767(Top 88%)10767(Top 197%)
35K21.75 mi0.75 mi26555+4111167+1611167+1624971(Top 88%)10575(Top 86%)10575(Top 193%)
23M23.00 mi1.25 mi26478+7711133+3411133+3425220(Top 89%)10720(Top 88%)10720(Top 196%)
24M24.00 mi1.00 mi26439+3911115+1811115+1824733(Top 87%)10514(Top 86%)10514(Top 192%)
40K24.85 mi0.85 mi26420+1911112+311112+325853(Top 91%)11069(Top 91%)11069(Top 202%)
25.2M25.20 mi0.35 mi26401+1911105+711105+724453(Top 86%)10411(Top 85%)10411(Top 190%)
Finish26.22 mi1.02 mi26387+1411107-211107-225834(Top 91%)11069(Top 91%)11069(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27432

Females

11641

F18-39

11641

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26076

Females

10833

F18-39

10833

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27432

Females

11641

F18-39

11641

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25167

Females

10357

F18-39

10357

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25456

Females

10528

F18-39

10528

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26813

Females

11322

F18-39

11322

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27428

Females

11735

F18-39

11735

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26346

Females

11193

F18-39

11193

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25406

Females

10767

F18-39

10767

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24971

Females

10575

F18-39

10575

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25220

Females

10720

F18-39

10720

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24733

Females

10514

F18-39

10514

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25853

Females

11069

F18-39

11069

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24453

Females

10411

F18-39

10411

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25834

Females

11069

F18-39

11069

Passing Analysis

Category:
Athletes Passed
1008
Passed By
1812
Net Change
-804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25583
5K → 10K93414-321#25583#25904
10K → 15K14760-746#25904#26650
15K → 20K4005+395#26650#26255
20K → Half514+47#26255#26208
Half → 25K39186-147#26208#26355
25K → 30K20323-303#26355#26658
30K → 20M5039+11#26658#26647
20M → 21M6514+51#26647#26596
21M → 35K498+41#26596#26555
35K → 23M9114+77#26555#26478
23M → 24M489+39#26478#26439
24M → 40K3516+19#26439#26420
40K → 25.2M223+19#26420#26401
25.2M → Finish3117+14#26401#26387
TOTALS10081812-804
📊

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