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BOSTON MARATHON 2025

Megan Kuns

Bib: 18398•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F40-44)
#0 / 1718
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:00
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:15:03
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:40:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:45:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:06:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:33:09
↑ 181↓ 1480.2%
20M
9:00/mi
2:45:23
↑ 64↓ 500.2%
21M
10:05/mi
2:55:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:02:07
↑ 17↓ 861.7%
23M
9:15/mi
3:13:42
↑ 23↓ 630.6%
24M
9:10/mi
3:22:52
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:30:48
↓ 200.3%
25.2M
9:43/mi
3:34:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
3:43:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:57:45
Pace8:59 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4024:598:0224:59
8:02
-
10K
6.21 mi11:40:4150:008:0325:01
8:03
+0:01
15K
9.32 mi12:05:441:15:038:0325:03
8:04
+0:01
20K
12.43 mi12:30:431:40:028:0324:59
8:02
-0:02
Half
13.11 mi12:36:051:45:248:025:22
7:52
-0:10
25K
15.53 mi12:56:432:06:028:0720:38
8:31
+0:39
30K
18.64 mi13:23:502:33:098:1327:07
8:44
+0:13
20M
20.00 mi13:36:042:45:238:1612:14
9:00
+0:16
21M
21.00 mi13:46:092:55:288:2110:05
10:05
+1:05
35K
21.75 mi13:52:483:02:078:226:39
8:53
-1:12
23M
23.00 mi14:04:233:13:428:2511:35
9:15
+0:22
24M
24.00 mi14:13:333:22:528:279:10
9:10
-0:05
40K
24.85 mi14:21:293:30:488:297:56
9:17
+0:07
25.2M
25.20 mi14:24:503:34:098:303:21
9:43
+0:26
Finish
26.22 mi14:33:503:43:098:319:00
8:50
-0:53

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

7:52 /mi

Average Pace

8:31 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:24

47% of race

Time at Steady Pace

1:15:38

34% of race

Time at Slower Pace

42:07

19% of race

Average Pace: 8:31 /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 mi11:15:4024:598:0224:59
8:02
#16933
10K
6.21 mi11:40:4150:008:0325:01
8:03
#16881
15K
9.32 mi12:05:441:15:038:0325:03
8:04
#16722
20K
12.43 mi12:30:431:40:028:0324:59
8:02
#16313
Half
13.11 mi12:36:051:45:248:025:22
7:52
#16235
25K
15.53 mi12:56:432:06:028:0720:38
8:31
#16409
30K
18.64 mi13:23:502:33:098:1327:07
8:44
#16321
20M
20.00 mi13:36:042:45:238:1612:14
9:00
#16308
21M
21.00 mi13:46:092:55:288:2110:05
10:05
#16425
35K
21.75 mi13:52:483:02:078:226:39
8:53
#16447
23M
23.00 mi14:04:233:13:428:2511:35
9:15
#16479
24M
24.00 mi14:13:333:22:528:279:10
9:10
#16575
40K
24.85 mi14:21:293:30:488:297:56
9:17
#16619
25.2M
25.20 mi14:24:503:34:098:303:21
9:43
#16609
Finish
26.22 mi14:33:503:43:098:319:00
8:50
#16664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169335705570516520(Top 58%)5452(Top 45%)5452(Top 317%)
10K6.21 mi3.10 mi16881+525656+495656+4916870(Top 59%)5629(Top 46%)5629(Top 328%)
15K9.32 mi3.11 mi16722+1595561+955561+9516520(Top 58%)5452(Top 45%)5452(Top 317%)
20K12.43 mi3.11 mi16313+4095332+2295332+22915234(Top 54%)4773(Top 39%)4773(Top 278%)
Half13.11 mi0.68 mi16235+785298+345298+3414898(Top 52%)4576(Top 37%)4576(Top 266%)
25K15.53 mi2.42 mi16409-1745410-1125410-11217271(Top 61%)6011(Top 49%)6011(Top 350%)
30K18.64 mi3.11 mi16321+885427-175427-1716166(Top 57%)5561(Top 45%)5561(Top 324%)
20M20.00 mi1.36 mi16308+135442-155442-1516810(Top 59%)6035(Top 49%)6035(Top 351%)
21M21.00 mi1.00 mi16425-1175541-995541-9918616(Top 66%)7129(Top 58%)7129(Top 415%)
35K21.75 mi0.75 mi16447-225571-305571-3017716(Top 62%)6740(Top 55%)6740(Top 392%)
23M23.00 mi1.25 mi16479-325622-515622-5117565(Top 62%)6762(Top 55%)6762(Top 394%)
24M24.00 mi1.00 mi16575-965702-805702-8018197(Top 64%)7136(Top 58%)7136(Top 415%)
40K24.85 mi0.85 mi16619-445763-615763-6117759(Top 63%)7001(Top 57%)7001(Top 408%)
25.2M25.20 mi0.35 mi16609+105765-25765-215743(Top 55%)5954(Top 49%)5954(Top 347%)
Finish26.22 mi1.02 mi16664-555826-615826-6118217(Top 64%)7191(Top 59%)7191(Top 419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16520

Females

5452

F40-44

5452

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16870

Females

5629

F40-44

5629

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16520

Females

5452

F40-44

5452

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15234

Females

4773

F40-44

4773

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14898

Females

4576

F40-44

4576

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17271

Females

6011

F40-44

6011

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16166

Females

5561

F40-44

5561

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16810

Females

6035

F40-44

6035

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18616

Females

7129

F40-44

7129

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17716

Females

6740

F40-44

6740

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17565

Females

6762

F40-44

6762

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18197

Females

7136

F40-44

7136

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17759

Females

7001

F40-44

7001

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15743

Females

5954

F40-44

5954

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18217

Females

7191

F40-44

7191

Passing Analysis

Category:
Athletes Passed
2067
Passed By
1798
Net Change
+269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16933
5K → 10K322270+52#16933#16881
10K → 15K283124+159#16881#16722
15K → 20K44940+409#16722#16313
20K → Half846+78#16313#16235
Half → 25K101275-174#16235#16409
25K → 30K279191+88#16409#16321
30K → 20M10693+13#16321#16308
20M → 21M75192-117#16308#16425
21M → 35K6183-22#16425#16447
35K → 23M108140-32#16447#16479
23M → 24M45141-96#16479#16575
24M → 40K64108-44#16575#16619
40K → 25.2M3626+10#16619#16609
25.2M → Finish54109-55#16609#16664
TOTALS20671798+269
📊

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