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BOSTON MARATHON 2025

Morgan Desenfants

Bib: 10300•F

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
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
6:50/mi
21:14
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
42:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:03:58
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:25:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:58/mi
1:30:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:48:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:19/mi
2:10:44
↑ 181↓ 1480.2%
20M
7:27/mi
2:20:52
↑ 64↓ 500.2%
21M
7:42/mi
2:28:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:33:54
↑ 17↓ 861.7%
23M
7:21/mi
2:43:06
↑ 23↓ 630.6%
24M
7:02/mi
2:50:08
↓ 821.3%
40K· 24.85 mi
7:03/mi
2:56:10
↓ 200.3%
25.2M
8:01/mi
2:58:56
↑ 13↓ 160.2%
Finish· 26.22 mi
6:47/mi
3:05:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:39
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:35:12
Pace7:16 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0121:146:5021:14
6:50
-
10K
6.21 mi11:08:1642:296:5021:15
6:50
0:00
15K
9.32 mi11:29:451:03:586:5221:29
6:55
+0:05
20K
12.43 mi11:51:411:25:546:5521:56
7:04
+0:09
Half
13.11 mi11:56:261:30:396:554:45
6:58
-0:06
25K
15.53 mi12:13:471:48:006:5717:21
7:09
+0:11
30K
18.64 mi12:36:312:10:447:0122:44
7:19
+0:10
20M
20.00 mi12:46:392:20:527:0310:08
7:27
+0:08
21M
21.00 mi12:54:212:28:347:047:42
7:42
+0:15
35K
21.75 mi12:59:412:33:547:055:20
7:08
-0:34
23M
23.00 mi13:08:532:43:067:059:12
7:21
+0:13
24M
24.00 mi13:15:552:50:087:057:02
7:02
-0:19
40K
24.85 mi13:21:572:56:107:056:02
7:03
+0:01
25.2M
25.20 mi13:24:432:58:567:062:46
8:01
+0:58
Finish
26.22 mi13:31:383:05:517:066:55
6:47
-1:14

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

6:47 /mi

Average Pace

7:06 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:23

94% of race

Time at Steady Pace

7:42

4% of race

Time at Slower Pace

2:46

1% of race

Average Pace: 7:05 /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 mi10:47:0121:146:5021:14
6:50
#6604
10K
6.21 mi11:08:1642:296:5021:15
6:50
#6648
15K
9.32 mi11:29:451:03:586:5221:29
6:55
#6785
20K
12.43 mi11:51:411:25:546:5521:56
7:04
#6913
Half
13.11 mi11:56:261:30:396:554:45
6:58
#6945
25K
15.53 mi12:13:471:48:006:5717:21
7:09
#6950
30K
18.64 mi12:36:312:10:447:0122:44
7:19
#6758
20M
20.00 mi12:46:392:20:527:0310:08
7:27
#6671
21M
21.00 mi12:54:212:28:347:047:42
7:42
#6536
35K
21.75 mi12:59:412:33:547:055:20
7:08
#6481
23M
23.00 mi13:08:532:43:067:059:12
7:21
#6360
24M
24.00 mi13:15:552:50:087:057:02
7:02
#6247
40K
24.85 mi13:21:572:56:107:056:02
7:03
#6113
25.2M
25.20 mi13:24:432:58:567:062:46
8:01
#6078
Finish
26.22 mi13:31:383:05:517:066:55
6:47
#5941
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66045925927067(Top 25%)750(Top 6%)750(Top 14%)
10K6.21 mi3.10 mi6648-44610-18610-186802(Top 24%)661(Top 5%)661(Top 12%)
15K9.32 mi3.11 mi6785-137660-50660-507067(Top 25%)750(Top 6%)750(Top 14%)
20K12.43 mi3.11 mi6913-128684-24684-247260(Top 26%)852(Top 7%)852(Top 16%)
Half13.11 mi0.68 mi6945-32697-13697-137349(Top 26%)847(Top 7%)847(Top 15%)
25K15.53 mi2.42 mi6950-5716-19716-197322(Top 26%)966(Top 8%)966(Top 18%)
30K18.64 mi3.11 mi6758+1927167166546(Top 23%)848(Top 7%)848(Top 16%)
20M20.00 mi1.36 mi6671+87721-5721-56749(Top 24%)1048(Top 9%)1048(Top 19%)
21M21.00 mi1.00 mi6536+135708+13708+135656(Top 20%)798(Top 7%)798(Top 15%)
35K21.75 mi0.75 mi6481+55704+4704+46181(Top 22%)971(Top 8%)971(Top 18%)
23M23.00 mi1.25 mi6360+121699+5699+55748(Top 20%)903(Top 7%)903(Top 17%)
24M24.00 mi1.00 mi6247+113686+13686+134849(Top 17%)682(Top 6%)682(Top 12%)
40K24.85 mi0.85 mi6113+134668+18668+184248(Top 15%)563(Top 5%)563(Top 10%)
25.2M25.20 mi0.35 mi6078+356686686107(Top 22%)1265(Top 10%)1265(Top 23%)
Finish26.22 mi1.02 mi5941+137651+17651+174461(Top 16%)677(Top 6%)677(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7067

Females

750

F18-39

750

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6802

Females

661

F18-39

661

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7067

Females

750

F18-39

750

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7260

Females

852

F18-39

852

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7349

Females

847

F18-39

847

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7322

Females

966

F18-39

966

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6546

Females

848

F18-39

848

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6749

Females

1048

F18-39

1048

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5656

Females

798

F18-39

798

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6181

Females

971

F18-39

971

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5748

Females

903

F18-39

903

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4849

Females

682

F18-39

682

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4248

Females

563

F18-39

563

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6107

Females

1265

F18-39

1265

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4461

Females

677

F18-39

677

Passing Analysis

Category:
Athletes Passed
1728
Passed By
1065
Net Change
+663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6604
5K → 10K178222-44#6604#6648
10K → 15K97234-137#6648#6785
15K → 20K91219-128#6785#6913
20K → Half1547-32#6913#6945
Half → 25K118123-5#6945#6950
25K → 30K27482+192#6950#6758
30K → 20M12942+87#6758#6671
20M → 21M15318+135#6671#6536
21M → 35K7419+55#6536#6481
35K → 23M14625+121#6481#6360
23M → 24M1185+113#6360#6247
24M → 40K14511+134#6247#6113
40K → 25.2M449+35#6113#6078
25.2M → Finish1469+137#6078#5941
TOTALS17281065+663
📊

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