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BOSTON MARATHON 2025

Carly King

Bib: 15154•F

IL

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
8:03/mi
25:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:16:02
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:43:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:49:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:11:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:41:22
↑ 181↓ 1480.2%
20M
9:39/mi
2:54:29
↑ 64↓ 500.2%
21M
9:50/mi
3:04:19
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:11:36
↑ 17↓ 861.7%
23M
9:56/mi
3:24:02
↑ 23↓ 630.6%
24M
10:24/mi
3:34:26
↓ 821.3%
40K· 24.85 mi
9:48/mi
3:42:49
↓ 200.3%
25.2M
10:06/mi
3:46:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:55:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:06:00
Pace9:37 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:5725:018:0325:01
8:03
-
10K
6.21 mi11:26:3350:378:0925:36
8:14
+0:11
15K
9.32 mi11:51:581:16:028:0925:25
8:11
-0:03
20K
12.43 mi12:19:151:43:198:1927:17
8:47
+0:36
Half
13.11 mi12:25:231:49:278:216:08
8:59
+0:12
25K
15.53 mi12:47:262:11:308:2822:03
9:06
+0:07
30K
18.64 mi13:17:182:41:228:3929:52
9:37
+0:31
20M
20.00 mi13:30:252:54:298:4313:07
9:39
+0:02
21M
21.00 mi13:40:153:04:198:479:50
9:50
+0:11
35K
21.75 mi13:47:323:11:368:497:17
9:44
-0:06
23M
23.00 mi13:59:583:24:028:5212:26
9:56
+0:12
24M
24.00 mi14:10:223:34:268:5610:24
10:24
+0:28
40K
24.85 mi14:18:453:42:498:588:23
9:48
-0:36
25.2M
25.20 mi14:22:143:46:188:593:29
10:06
+0:18
Finish
26.22 mi14:31:233:55:278:599:09
8:59
-1:07

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

8:03 /mi

Average Pace

8:59 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:39

60% of race

Time at Steady Pace

1:20:55

34% of race

Time at Slower Pace

13:53

6% of race

Average Pace: 8:59 /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 mi11:00:5725:018:0325:01
8:03
#17037
10K
6.21 mi11:26:3350:378:0925:36
8:14
#17620
15K
9.32 mi11:51:581:16:028:0925:25
8:11
#17473
20K
12.43 mi12:19:151:43:198:1927:17
8:47
#18085
Half
13.11 mi12:25:231:49:278:216:08
8:59
#18303
25K
15.53 mi12:47:262:11:308:2822:03
9:06
#18695
30K
18.64 mi13:17:182:41:228:3929:52
9:37
#19080
20M
20.00 mi13:30:252:54:298:4313:07
9:39
#19147
21M
21.00 mi13:40:153:04:198:479:50
9:50
#19049
35K
21.75 mi13:47:323:11:368:497:17
9:44
#19163
23M
23.00 mi13:59:583:24:028:5212:26
9:56
#19269
24M
24.00 mi14:10:223:34:268:5610:24
10:24
#19481
40K
24.85 mi14:18:453:42:498:588:23
9:48
#19494
25.2M
25.20 mi14:22:143:46:188:593:29
10:06
#19455
Finish
26.22 mi14:31:233:55:278:599:09
8:59
#19429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi170375761576117290(Top 61%)5898(Top 48%)5898(Top 108%)
10K6.21 mi3.10 mi17620-5836108-3476108-34718182(Top 64%)6411(Top 52%)6411(Top 117%)
15K9.32 mi3.11 mi17473+1475996+1125996+11217290(Top 61%)5898(Top 48%)5898(Top 108%)
20K12.43 mi3.11 mi18085-6126387-3916387-39119853(Top 70%)7405(Top 61%)7405(Top 135%)
Half13.11 mi0.68 mi18303-2186520-1336520-13321784(Top 77%)8456(Top 69%)8456(Top 155%)
25K15.53 mi2.42 mi18695-3926746-2266746-22620345(Top 72%)7724(Top 63%)7724(Top 141%)
30K18.64 mi3.11 mi19080-3857005-2597005-25920405(Top 72%)7878(Top 64%)7878(Top 144%)
20M20.00 mi1.36 mi19147-677064-597064-5919788(Top 70%)7668(Top 63%)7668(Top 140%)
21M21.00 mi1.00 mi19049+987031+337031+3317648(Top 62%)6619(Top 54%)6619(Top 121%)
35K21.75 mi0.75 mi19163-1147108-777108-7721122(Top 74%)8564(Top 70%)8564(Top 157%)
23M23.00 mi1.25 mi19269-1067199-917199-9120272(Top 71%)8182(Top 67%)8182(Top 150%)
24M24.00 mi1.00 mi19481-2127350-1517350-15122536(Top 79%)9403(Top 77%)9403(Top 172%)
40K24.85 mi0.85 mi19494-137376-267376-2619839(Top 70%)8063(Top 66%)8063(Top 147%)
25.2M25.20 mi0.35 mi19455+397361+157361+1517538(Top 62%)6892(Top 56%)6892(Top 126%)
Finish26.22 mi1.02 mi19429+267366-57366-518943(Top 67%)7564(Top 62%)7564(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17290

Females

5898

F18-39

5898

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18182

Females

6411

F18-39

6411

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17290

Females

5898

F18-39

5898

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19853

Females

7405

F18-39

7405

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21784

Females

8456

F18-39

8456

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20345

Females

7724

F18-39

7724

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20405

Females

7878

F18-39

7878

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

19788

Females

7668

F18-39

7668

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17648

Females

6619

F18-39

6619

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21122

Females

8564

F18-39

8564

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20272

Females

8182

F18-39

8182

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22536

Females

9403

F18-39

9403

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19839

Females

8063

F18-39

8063

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17538

Females

6892

F18-39

6892

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18943

Females

7564

F18-39

7564

Passing Analysis

Category:
Athletes Passed
1192
Passed By
3584
Net Change
-2392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17037
5K → 10K115698-583#17037#17620
10K → 15K279132+147#17620#17473
15K → 20K58670-612#17473#18085
20K → Half7225-218#18085#18303
Half → 25K78470-392#18303#18695
25K → 30K140525-385#18695#19080
30K → 20M82149-67#19080#19147
20M → 21M14345+98#19147#19049
21M → 35K26140-114#19049#19163
35K → 23M62168-106#19163#19269
23M → 24M25237-212#19269#19481
24M → 40K5972-13#19481#19494
40K → 25.2M489+39#19494#19455
25.2M → Finish7044+26#19455#19429
TOTALS11923584-2392
📊

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