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BOSTON MARATHON 2025

Katie Killeen

Bib: 27877•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
9:16/mi
28:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
56:32
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:24:40
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:53:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:59:13
↑ 19↓ 370.5%
25K· 15.53 mi
9:27/mi
2:22:07
↑ 66↓ 880.2%
30K· 18.64 mi
11:05/mi
2:56:32
↑ 181↓ 1480.2%
20M
10:50/mi
3:11:15
↑ 64↓ 500.2%
21M
11:55/mi
3:23:10
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:30:48
↑ 17↓ 861.7%
23M
11:10/mi
3:44:47
↑ 23↓ 630.6%
24M
10:36/mi
3:55:23
↓ 821.3%
40K· 24.85 mi
10:46/mi
4:04:35
↓ 200.3%
25.2M
13:09/mi
4:09:07
↑ 13↓ 160.2%
Finish· 26.22 mi
10:56/mi
4:20:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:13
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:21:02
Pace10:46 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3028:469:1628:46
9:16
-
10K
6.21 mi12:14:1656:329:0627:46
8:56
-0:20
15K
9.32 mi12:42:241:24:409:0528:08
9:03
+0:07
20K
12.43 mi13:10:531:53:099:0628:29
9:10
+0:07
Half
13.11 mi13:16:571:59:139:066:04
8:54
-0:16
25K
15.53 mi13:39:512:22:079:0922:54
9:27
+0:33
30K
18.64 mi14:14:162:56:329:2834:25
11:05
+1:38
20M
20.00 mi14:28:593:11:159:3414:43
10:50
-0:15
21M
21.00 mi14:40:543:23:109:4011:55
11:55
+1:05
35K
21.75 mi14:48:323:30:489:427:38
10:12
-1:43
23M
23.00 mi15:02:313:44:479:4613:59
11:10
+0:58
24M
24.00 mi15:13:073:55:239:4810:36
10:36
-0:34
40K
24.85 mi15:22:194:04:359:509:12
10:46
+0:10
25.2M
25.20 mi15:26:514:09:079:534:32
13:09
+2:23
Finish
26.22 mi15:37:594:20:159:5611:08
10:56
-2:13

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

8:54 /mi

Average Pace

9:56 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:07

55% of race

Time at Steady Pace

1:41:41

39% of race

Time at Slower Pace

16:27

6% of race

Average Pace: 9:56 /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 mi11:46:3028:469:1628:46
9:16
#23421
10K
6.21 mi12:14:1656:329:0627:46
8:56
#22811
15K
9.32 mi12:42:241:24:409:0528:08
9:03
#22632
20K
12.43 mi13:10:531:53:099:0628:29
9:10
#22381
Half
13.11 mi13:16:571:59:139:066:04
8:54
#22319
25K
15.53 mi13:39:512:22:079:0922:54
9:27
#22244
30K
18.64 mi14:14:162:56:329:2834:25
11:05
#22725
20M
20.00 mi14:28:593:11:159:3414:43
10:50
#22758
21M
21.00 mi14:40:543:23:109:4011:55
11:55
#22804
35K
21.75 mi14:48:323:30:489:427:38
10:12
#22777
23M
23.00 mi15:02:313:44:479:4613:59
11:10
#22819
24M
24.00 mi15:13:073:55:239:4810:36
10:36
#22808
40K
24.85 mi15:22:194:04:359:509:12
10:46
#22796
25.2M
25.20 mi15:26:514:09:079:534:32
13:09
#22864
Finish
26.22 mi15:37:594:20:159:5611:08
10:56
#22985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi234219401940122285(Top 78%)8715(Top 71%)8715(Top 159%)
10K6.21 mi3.10 mi22811+6109052+3499052+34922117(Top 78%)8666(Top 71%)8666(Top 158%)
15K9.32 mi3.11 mi22632+1798930+1228930+12222285(Top 78%)8715(Top 71%)8715(Top 159%)
20K12.43 mi3.11 mi22381+2518803+1278803+12721777(Top 77%)8472(Top 69%)8472(Top 155%)
Half13.11 mi0.68 mi22319+628776+278776+2721422(Top 75%)8283(Top 68%)8283(Top 151%)
25K15.53 mi2.42 mi22244+758739+378739+3721699(Top 76%)8485(Top 69%)8485(Top 155%)
30K18.64 mi3.11 mi22725-4819028-2899028-28924146(Top 85%)9944(Top 81%)9944(Top 182%)
20M20.00 mi1.36 mi22758-339078-509078-5023243(Top 82%)9551(Top 78%)9551(Top 175%)
21M21.00 mi1.00 mi22804-469120-429120-4223452(Top 83%)9739(Top 80%)9739(Top 178%)
35K21.75 mi0.75 mi22777+279118+29118+222460(Top 79%)9270(Top 76%)9270(Top 170%)
23M23.00 mi1.25 mi22819-429167-499167-4923613(Top 83%)9908(Top 81%)9908(Top 181%)
24M24.00 mi1.00 mi22808+119180-139180-1323088(Top 81%)9681(Top 79%)9681(Top 177%)
40K24.85 mi0.85 mi22796+129193-139193-1322602(Top 80%)9503(Top 78%)9503(Top 174%)
25.2M25.20 mi0.35 mi22864-689240-479240-4725250(Top 89%)10815(Top 88%)10815(Top 198%)
Finish26.22 mi1.02 mi22985-1219310-709310-7025226(Top 89%)10757(Top 88%)10757(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22285

Females

8715

F18-39

8715

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22117

Females

8666

F18-39

8666

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22285

Females

8715

F18-39

8715

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21777

Females

8472

F18-39

8472

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21422

Females

8283

F18-39

8283

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21699

Females

8485

F18-39

8485

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24146

Females

9944

F18-39

9944

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23243

Females

9551

F18-39

9551

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23452

Females

9739

F18-39

9739

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22460

Females

9270

F18-39

9270

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23613

Females

9908

F18-39

9908

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23088

Females

9681

F18-39

9681

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22602

Females

9503

F18-39

9503

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25250

Females

10815

F18-39

10815

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25226

Females

10757

F18-39

10757

Passing Analysis

Category:
Athletes Passed
1903
Passed By
1467
Net Change
+436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23421
5K → 10K64838+610#23421#22811
10K → 15K26889+179#22811#22632
15K → 20K30554+251#22632#22381
20K → Half7210+62#22381#22319
Half → 25K17297+75#22319#22244
25K → 30K70551-481#22244#22725
30K → 20M70103-33#22725#22758
20M → 21M4995-46#22758#22804
21M → 35K6033+27#22804#22777
35K → 23M5799-42#22777#22819
23M → 24M5544+11#22819#22808
24M → 40K5745+12#22808#22796
40K → 25.2M775-68#22796#22864
25.2M → Finish13134-121#22864#22985
TOTALS19031467+436
📊

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