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BOSTON MARATHON 2025

Sophia Karel

Bib: 28725•F

MD

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
30:05
Rank: #24788
Start → 5K
9:41/mi
30:05 split
10K· 6.21 mi
59:57
Rank: #24591 (+197)
5K → 10K
9:37/mi
29:52 split
15K· 9.32 mi
1:31:33
Rank: #24862 (-271)
10K → 15K
10:10/mi
31:36 split
20K· 12.43 mi
2:03:54
Rank: #24940 (-78)
15K → 20K
10:25/mi
32:21 split
Half· 13.11 mi
2:10:39
Rank: #24915 (+25)
20K → Half
9:54/mi
6:45 split
25K· 15.53 mi
2:40:12
Rank: #25351 (-436)
Half → 25K
12:11/mi
29:33 split
30K· 18.64 mi
3:16:44
Rank: #25336 (+15)
25K → 30K
11:46/mi
36:32 split
20M
3:31:20
Rank: #25188 (+148)
30K → 20M
10:45/mi
14:36 split
21M
3:43:26
Rank: #25125 (+63)
20M → 21M
12:06/mi
12:06 split
35K· 21.75 mi
3:52:36
Rank: #25177 (-52)
21M → 35K
12:15/mi
9:10 split
23M
4:06:34
Rank: #25105 (+72)
35K → 23M
11:09/mi
13:58 split
24M
4:17:01
Rank: #25030 (+75)
23M → 24M
10:27/mi
10:27 split
40K· 24.85 mi
4:26:09
Rank: #24940 (+90)
24M → 40K
10:41/mi
9:08 split
25.2M
4:30:27
Rank: #24933 (+7)
40K → 25.2M
12:28/mi
4:18 split
Finish· 26.22 mi
4:39:36
Rank: #24817 (+116)
25.2M → Finish
8:59/mi
9:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:39
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:28:57
Pace11:22 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1330:059:4130:05
9:41
-
10K
6.21 mi12:17:0559:579:3929:52
9:37
-0:04
15K
9.32 mi12:48:411:31:339:4931:36
10:10
+0:33
20K
12.43 mi13:21:022:03:549:5832:21
10:25
+0:15
Half
13.11 mi13:27:472:10:399:586:45
9:54
-0:31
25K
15.53 mi13:57:202:40:1210:1929:33
12:11
+2:17
30K
18.64 mi14:33:523:16:4410:3336:32
11:46
-0:25
20M
20.00 mi14:48:283:31:2010:3414:36
10:45
-1:01
21M
21.00 mi15:00:343:43:2610:3812:06
12:06
+1:21
35K
21.75 mi15:09:443:52:3610:429:10
12:15
+0:09
23M
23.00 mi15:23:424:06:3410:4313:58
11:09
-1:06
24M
24.00 mi15:34:094:17:0110:4310:27
10:27
-0:42
40K
24.85 mi15:43:174:26:0910:429:08
10:41
+0:14
25.2M
25.20 mi15:47:354:30:2710:444:18
12:28
+1:47
Finish
26.22 mi15:56:444:39:3610:409:09
8:59
-3:29

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

8:59 /mi

Average Pace

10:40 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:51

27% of race

Time at Steady Pace

1:52:06

40% of race

Time at Slower Pace

1:31:39

33% of race

Average Pace: 10:40 /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 mi11:47:1330:059:4130:05
9:41
#24788
10K
6.21 mi12:17:0559:579:3929:52
9:37
#24591
15K
9.32 mi12:48:411:31:339:4931:36
10:10
#24862
20K
12.43 mi13:21:022:03:549:5832:21
10:25
#24940
Half
13.11 mi13:27:472:10:399:586:45
9:54
#24915
25K
15.53 mi13:57:202:40:1210:1929:33
12:11
#25351
30K
18.64 mi14:33:523:16:4410:3336:32
11:46
#25336
20M
20.00 mi14:48:283:31:2010:3414:36
10:45
#25188
21M
21.00 mi15:00:343:43:2610:3812:06
12:06
#25125
35K
21.75 mi15:09:443:52:3610:429:10
12:15
#25177
23M
23.00 mi15:23:424:06:3410:4313:58
11:09
#25105
24M
24.00 mi15:34:094:17:0110:4310:27
10:27
#25030
40K
24.85 mi15:43:174:26:0910:429:08
10:41
#24940
25.2M
25.20 mi15:47:354:30:2710:444:18
12:28
#24933
Finish
26.22 mi15:56:444:39:3610:409:09
8:59
#24817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24788101051010525351(Top 89%)10430(Top 85%)10430(Top 191%)
10K6.21 mi3.10 mi24591+19710001+10410001+10424388(Top 86%)9905(Top 81%)9905(Top 181%)
15K9.32 mi3.11 mi24862-27110149-14810149-14825351(Top 89%)10430(Top 85%)10430(Top 191%)
20K12.43 mi3.11 mi24940-7810205-5610205-5625042(Top 88%)10282(Top 84%)10282(Top 188%)
Half13.11 mi0.68 mi24915+2510191+1410191+1424576(Top 87%)10043(Top 82%)10043(Top 184%)
25K15.53 mi2.42 mi25351-43610443-25210443-25226616(Top 94%)11201(Top 92%)11201(Top 205%)
30K18.64 mi3.11 mi25336+1510470-2710470-2725232(Top 89%)10523(Top 86%)10523(Top 192%)
20M20.00 mi1.36 mi25188+14810404+6610404+6623041(Top 81%)9446(Top 77%)9446(Top 173%)
21M21.00 mi1.00 mi25125+6310377+2710377+2723750(Top 84%)9895(Top 81%)9895(Top 181%)
35K21.75 mi0.75 mi25177-5210416-3910416-3926174(Top 92%)11177(Top 91%)11177(Top 204%)
23M23.00 mi1.25 mi25105+7210389+2710389+2723559(Top 83%)9880(Top 81%)9880(Top 181%)
24M24.00 mi1.00 mi25030+7510358+3110358+3122662(Top 80%)9471(Top 77%)9471(Top 173%)
40K24.85 mi0.85 mi24940+9010324+3410324+3422363(Top 79%)9396(Top 77%)9396(Top 172%)
25.2M25.20 mi0.35 mi24933+710322+210322+224084(Top 85%)10212(Top 84%)10212(Top 187%)
Finish26.22 mi1.02 mi24817+11610272+5010272+5018892(Top 67%)7552(Top 62%)7552(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25351

Females

10430

F18-39

10430

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24388

Females

9905

F18-39

9905

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25351

Females

10430

F18-39

10430

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

25042

Females

10282

F18-39

10282

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24576

Females

10043

F18-39

10043

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26616

Females

11201

F18-39

11201

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25232

Females

10523

F18-39

10523

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

23041

Females

9446

F18-39

9446

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23750

Females

9895

F18-39

9895

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26174

Females

11177

F18-39

11177

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23559

Females

9880

F18-39

9880

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22662

Females

9471

F18-39

9471

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22363

Females

9396

F18-39

9396

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24084

Females

10212

F18-39

10212

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18892

Females

7552

F18-39

7552

Passing Analysis

Category:
Athletes Passed
1314
Passed By
1343
Net Change
-29
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24788
5K → 10K313116+197#24788#24591
10K → 15K59330-271#24591#24862
15K → 20K114192-78#24862#24940
20K → Half4520+25#24940#24915
Half → 25K17453-436#24915#25351
25K → 30K127112+15#25351#25336
30K → 20M1535+148#25336#25188
20M → 21M8522+63#25188#25125
21M → 35K961-52#25125#25177
35K → 23M8210+72#25177#25105
23M → 24M794+75#25105#25030
24M → 40K966+90#25030#24940
40K → 25.2M1710+7#24940#24933
25.2M → Finish1182+116#24933#24817
TOTALS13141343-29
📊

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