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BOSTON MARATHON 2025

Caroline Channell

Bib: 30912•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

Start
0:00:00
Race begins
5K· 3.11 mi
33:44
Rank: #27381
Start → 5K
10:51/mi
33:44 split
10K· 6.21 mi
1:05:48
Rank: #26671 (+710)
5K → 10K
10:19/mi
32:04 split
15K· 9.32 mi
1:38:05
Rank: #26329 (+342)
10K → 15K
10:23/mi
32:17 split
20K· 12.43 mi
2:09:49
Rank: #25880 (+449)
15K → 20K
10:13/mi
31:44 split
Half· 13.11 mi
2:16:48
Rank: #25861 (+19)
20K → Half
10:14/mi
6:59 split
25K· 15.53 mi
2:46:38
Rank: #26083 (-222)
Half → 25K
12:18/mi
29:50 split
30K· 18.64 mi
3:21:37
Rank: #25780 (+303)
25K → 30K
11:16/mi
34:59 split
20M
3:36:24
Rank: #25615 (+165)
30K → 20M
10:53/mi
14:47 split
21M
3:47:51
Rank: #25480 (+135)
20M → 21M
11:27/mi
11:27 split
35K· 21.75 mi
3:55:36
Rank: #25404 (+76)
21M → 35K
10:22/mi
7:45 split
23M
4:08:58
Rank: #25268 (+136)
35K → 23M
10:41/mi
13:22 split
24M
4:19:56
Rank: #25216 (+52)
23M → 24M
10:58/mi
10:58 split
40K· 24.85 mi
4:29:12
Rank: #25151 (+65)
24M → 40K
10:50/mi
9:16 split
25.2M
4:33:44
Rank: #25156 (-5)
40K → 25.2M
13:09/mi
4:32 split
Finish· 26.22 mi
4:44:41
Rank: #25161 (-5)
25.2M → Finish
10:45/mi
10:57 split

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
Time2:27:53
Pace11:17 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4533:4410:5133:44
10:51
-
10K
6.21 mi12:25:491:05:4810:3532:04
10:19
-0:32
15K
9.32 mi12:58:061:38:0510:3132:17
10:23
+0:04
20K
12.43 mi13:29:502:09:4910:2731:44
10:13
-0:10
Half
13.11 mi13:36:492:16:4810:266:59
10:14
+0:01
25K
15.53 mi14:06:392:46:3810:4429:50
12:18
+2:04
30K
18.64 mi14:41:383:21:3710:4934:59
11:16
-1:02
20M
20.00 mi14:56:253:36:2410:4914:47
10:53
-0:23
21M
21.00 mi15:07:523:47:5110:5111:27
11:27
+0:34
35K
21.75 mi15:15:373:55:3610:507:45
10:22
-1:05
23M
23.00 mi15:28:594:08:5810:4913:22
10:41
+0:19
24M
24.00 mi15:39:574:19:5610:5010:58
10:58
+0:17
40K
24.85 mi15:49:134:29:1210:509:16
10:50
-0:08
25.2M
25.20 mi15:53:454:33:4410:524:32
13:09
+2:19
Finish
26.22 mi16:04:424:44:4110:5210:57
10:45
-2:24

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

10:13 /mi

Average Pace

10:52 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:49

39% of race

Time at Steady Pace

1:33:04

33% of race

Time at Slower Pace

1:20:48

28% of race

Average Pace: 10:51 /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 mi11:53:4533:4410:5133:44
10:51
#27381
10K
6.21 mi12:25:491:05:4810:3532:04
10:19
#26671
15K
9.32 mi12:58:061:38:0510:3132:17
10:23
#26329
20K
12.43 mi13:29:502:09:4910:2731:44
10:13
#25880
Half
13.11 mi13:36:492:16:4810:266:59
10:14
#25861
25K
15.53 mi14:06:392:46:3810:4429:50
12:18
#26083
30K
18.64 mi14:41:383:21:3710:4934:59
11:16
#25780
20M
20.00 mi14:56:253:36:2410:4914:47
10:53
#25615
21M
21.00 mi15:07:523:47:5110:5111:27
11:27
#25480
35K
21.75 mi15:15:373:55:3610:507:45
10:22
#25404
23M
23.00 mi15:28:594:08:5810:4913:22
10:41
#25268
24M
24.00 mi15:39:574:19:5610:5010:58
10:58
#25216
40K
24.85 mi15:49:134:29:1210:509:16
10:50
#25151
25.2M
25.20 mi15:53:454:33:4410:524:32
13:09
#25156
Finish
26.22 mi16:04:424:44:4110:5210:57
10:45
#25161
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27381115601156025751(Top 91%)10651(Top 87%)10651(Top 195%)
10K6.21 mi3.10 mi26671+71011146+41411146+41425952(Top 91%)10763(Top 88%)10763(Top 197%)
15K9.32 mi3.11 mi26329+34210967+17910967+17925751(Top 91%)10651(Top 87%)10651(Top 195%)
20K12.43 mi3.11 mi25880+44910722+24510722+24524671(Top 87%)10089(Top 83%)10089(Top 184%)
Half13.11 mi0.68 mi25861+1910713+910713+925305(Top 89%)10442(Top 85%)10442(Top 191%)
25K15.53 mi2.42 mi26083-22210840-12710840-12726754(Top 94%)11285(Top 92%)11285(Top 206%)
30K18.64 mi3.11 mi25780+30310709+13110709+13124482(Top 86%)10120(Top 83%)10120(Top 185%)
20M20.00 mi1.36 mi25615+16510636+7310636+7323322(Top 82%)9592(Top 78%)9592(Top 175%)
21M21.00 mi1.00 mi25480+13510575+6110575+6122507(Top 79%)9251(Top 76%)9251(Top 169%)
35K21.75 mi0.75 mi25404+7610547+2810547+2822825(Top 80%)9460(Top 77%)9460(Top 173%)
23M23.00 mi1.25 mi25268+13610476+7110476+7122454(Top 79%)9323(Top 76%)9323(Top 170%)
24M24.00 mi1.00 mi25216+5210459+1710459+1723913(Top 84%)10075(Top 82%)10075(Top 184%)
40K24.85 mi0.85 mi25151+6510430+2910430+2922744(Top 80%)9584(Top 78%)9584(Top 175%)
25.2M25.20 mi0.35 mi25156-510434-410434-425223(Top 89%)10810(Top 88%)10810(Top 198%)
Finish26.22 mi1.02 mi25161-510447-1310447-1324819(Top 87%)10579(Top 87%)10579(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25751

Females

10651

F18-39

10651

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25952

Females

10763

F18-39

10763

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25751

Females

10651

F18-39

10651

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24671

Females

10089

F18-39

10089

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25305

Females

10442

F18-39

10442

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26754

Females

11285

F18-39

11285

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24482

Females

10120

F18-39

10120

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23322

Females

9592

F18-39

9592

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22507

Females

9251

F18-39

9251

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22825

Females

9460

F18-39

9460

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22454

Females

9323

F18-39

9323

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23913

Females

10075

F18-39

10075

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22744

Females

9584

F18-39

9584

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25223

Females

10810

F18-39

10810

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24819

Females

10579

F18-39

10579

Passing Analysis

Category:
Athletes Passed
2578
Passed By
358
Net Change
+2220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27381
5K → 10K7155+710#27381#26671
10K → 15K35513+342#26671#26329
15K → 20K4501+449#26329#25880
20K → Half289+19#25880#25861
Half → 25K23245-222#25861#26083
25K → 30K3096+303#26083#25780
30K → 20M1661+165#25780#25615
20M → 21M1383+135#25615#25480
21M → 35K771+76#25480#25404
35K → 23M1404+136#25404#25268
23M → 24M6917+52#25268#25216
24M → 40K705+65#25216#25151
40K → 25.2M1015-5#25151#25156
25.2M → Finish2833-5#25156#25161
TOTALS2578358+2220
📊

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