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BOSTON MARATHON 2025

Megan Arthur

Bib: 15626•F

AB

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
7:36/mi
23:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
49:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:14:36
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:42:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:48:09
↑ 19↓ 370.5%
25K· 15.53 mi
10:14/mi
2:12:58
↑ 66↓ 880.2%
30K· 18.64 mi
9:59/mi
2:43:59
↑ 181↓ 1480.2%
20M
12:16/mi
3:00:39
↑ 64↓ 500.2%
21M
10:53/mi
3:11:32
↑ 106↓ 241.6%
35K· 21.75 mi
12:59/mi
3:21:15
↑ 17↓ 861.7%
23M
13:59/mi
3:38:45
↑ 23↓ 630.6%
24M
10:00/mi
3:48:45
↓ 821.3%
40K· 24.85 mi
9:21/mi
3:56:45
↓ 200.3%
25.2M
9:57/mi
4:00:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
4:08:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:09
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:20:30
Pace10:43 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4323:377:3623:37
7:36
-
10K
6.21 mi11:22:2049:147:5525:37
8:15
+0:39
15K
9.32 mi11:47:421:14:368:0025:22
8:10
-0:05
20K
12.43 mi12:15:211:42:158:1427:39
8:54
+0:44
Half
13.11 mi12:21:151:48:098:155:54
8:39
-0:15
25K
15.53 mi12:46:042:12:588:3424:49
10:14
+1:35
30K
18.64 mi13:17:052:43:598:4831:01
9:59
-0:15
20M
20.00 mi13:33:453:00:399:0216:40
12:16
+2:17
21M
21.00 mi13:44:383:11:329:0710:53
10:53
-1:23
35K
21.75 mi13:54:213:21:159:159:43
12:59
+2:06
23M
23.00 mi14:11:513:38:459:3117:30
13:59
+1:00
24M
24.00 mi14:21:513:48:459:3210:00
10:00
-3:59
40K
24.85 mi14:29:513:56:459:328:00
9:21
-0:39
25.2M
25.20 mi14:33:174:00:119:323:26
9:57
+0:36
Finish
26.22 mi14:41:454:08:399:298:28
8:19
-1:38

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

7:36 /mi

Average Pace

9:29 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:37

47% of race

Time at Steady Pace

1:17:16

31% of race

Time at Slower Pace

54:46

22% of race

Average Pace: 9:29 /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 mi10:56:4323:377:3623:37
7:36
#13163
10K
6.21 mi11:22:2049:147:5525:37
8:15
#15903
15K
9.32 mi11:47:421:14:368:0025:22
8:10
#16368
20K
12.43 mi12:15:211:42:158:1427:39
8:54
#17534
Half
13.11 mi12:21:151:48:098:155:54
8:39
#17670
25K
15.53 mi12:46:042:12:588:3424:49
10:14
#19259
30K
18.64 mi13:17:052:43:598:4831:01
9:59
#19848
20M
20.00 mi13:33:453:00:399:0216:40
12:16
#20710
21M
21.00 mi13:44:383:11:329:0710:53
10:53
#20731
35K
21.75 mi13:54:213:21:159:159:43
12:59
#21267
23M
23.00 mi14:11:513:38:459:3117:30
13:59
#21996
24M
24.00 mi14:21:513:48:459:3210:00
10:00
#21957
40K
24.85 mi14:29:513:56:459:328:00
9:21
#21821
25.2M
25.20 mi14:33:174:00:119:323:26
9:57
#21750
Finish
26.22 mi14:41:454:08:399:298:28
8:19
#21561
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131633413341317190(Top 61%)5846(Top 48%)5846(Top 107%)
10K6.21 mi3.10 mi15903-27405079-16665079-166618214(Top 64%)6432(Top 53%)6432(Top 118%)
15K9.32 mi3.11 mi16368-4655356-2775356-27717190(Top 61%)5846(Top 48%)5846(Top 107%)
20K12.43 mi3.11 mi17534-11666055-6996055-69920481(Top 72%)7764(Top 63%)7764(Top 142%)
Half13.11 mi0.68 mi17670-1366134-796134-7920125(Top 71%)7565(Top 62%)7565(Top 138%)
25K15.53 mi2.42 mi19259-15897062-9287062-92823797(Top 84%)9633(Top 79%)9633(Top 176%)
30K18.64 mi3.11 mi19848-5897430-3687430-36821565(Top 76%)8534(Top 70%)8534(Top 156%)
20M20.00 mi1.36 mi20710-8627950-5207950-52025626(Top 90%)10811(Top 88%)10811(Top 198%)
21M21.00 mi1.00 mi20731-217976-267976-2621093(Top 74%)8494(Top 69%)8494(Top 155%)
35K21.75 mi0.75 mi21267-5368274-2988274-29826960(Top 95%)11567(Top 95%)11567(Top 212%)
23M23.00 mi1.25 mi21996-7298716-4428716-44227313(Top 96%)11764(Top 96%)11764(Top 215%)
24M24.00 mi1.00 mi21957+398714+28714+221386(Top 75%)8799(Top 72%)8799(Top 161%)
40K24.85 mi0.85 mi21821+1368663+518663+5118140(Top 64%)7198(Top 59%)7198(Top 132%)
25.2M25.20 mi0.35 mi21750+718630+338630+3316927(Top 60%)6581(Top 54%)6581(Top 120%)
Finish26.22 mi1.02 mi21561+1898536+948536+9415019(Top 53%)5504(Top 45%)5504(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17190

Females

5846

F18-39

5846

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18214

Females

6432

F18-39

6432

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17190

Females

5846

F18-39

5846

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20481

Females

7764

F18-39

7764

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20125

Females

7565

F18-39

7565

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23797

Females

9633

F18-39

9633

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

21565

Females

8534

F18-39

8534

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25626

Females

10811

F18-39

10811

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

21093

Females

8494

F18-39

8494

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

26960

Females

11567

F18-39

11567

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27313

Females

11764

F18-39

11764

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21386

Females

8799

F18-39

8799

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18140

Females

7198

F18-39

7198

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16927

Females

6581

F18-39

6581

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15019

Females

5504

F18-39

5504

Passing Analysis

Category:
Athletes Passed
828
Passed By
9226
Net Change
-8398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13163
5K → 10K112751-2740#13163#15903
10K → 15K85550-465#15903#16368
15K → 20K321198-1166#16368#17534
20K → Half7143-136#17534#17670
Half → 25K121601-1589#17670#19259
25K → 30K85674-589#19259#19848
30K → 20M13875-862#19848#20710
20M → 21M90111-21#20710#20731
21M → 35K6542-536#20731#21267
35K → 23M14743-729#21267#21996
23M → 24M7435+39#21996#21957
24M → 40K1382+136#21957#21821
40K → 25.2M721+71#21821#21750
25.2M → Finish1890+189#21750#21561
TOTALS8289226-8398
📊

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