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BOSTON MARATHON 2025

Ambreleah Dusseau

Bib: 11503•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Masters (Masters Women)
#0 / 6759
Top 1%
Division (F40-44)
#0 / 1718
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:49
Rank: #8007
Start → 5K
7:01/mi
21:49 split
10K· 6.21 mi
43:30
Rank: #7871 (+136)
5K → 10K
6:59/mi
21:41 split
15K· 9.32 mi
1:05:18
Rank: #7796 (+75)
10K → 15K
7:01/mi
21:48 split
20K· 12.43 mi
1:26:52
Rank: #7433 (+363)
15K → 20K
6:56/mi
21:34 split
Half· 13.11 mi
1:31:33
Rank: #7380 (+53)
20K → Half
6:52/mi
4:41 split
25K· 15.53 mi
1:48:37
Rank: #7212 (+168)
Half → 25K
7:02/mi
17:04 split
30K· 18.64 mi
2:10:54
Rank: #6813 (+399)
25K → 30K
7:10/mi
22:17 split
20M
2:20:34
Rank: #6562 (+251)
30K → 20M
7:07/mi
9:40 split
21M
2:28:17
Rank: #6447 (+115)
20M → 21M
7:43/mi
7:43 split
35K· 21.75 mi
2:33:29
Rank: #6364 (+83)
21M → 35K
6:57/mi
5:12 split
23M
2:42:40
Rank: #6257 (+107)
35K → 23M
7:20/mi
9:11 split
24M
2:49:43
Rank: #6138 (+119)
23M → 24M
7:03/mi
7:03 split
40K· 24.85 mi
2:55:35
Rank: #5969 (+169)
24M → 40K
6:52/mi
5:52 split
25.2M
2:58:09
Rank: #5899 (+70)
40K → 25.2M
7:27/mi
2:34 split
Finish· 26.22 mi
3:04:54
Rank: #5737 (+162)
25.2M → Finish
6:37/mi
6:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:33
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:33:21
Pace7:07 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3821:497:0121:49
7:01
-
10K
6.21 mi11:10:1943:307:0021:41
6:59
-0:02
15K
9.32 mi11:32:071:05:187:0021:48
7:01
+0:02
20K
12.43 mi11:53:411:26:526:5921:34
6:56
-0:05
Half
13.11 mi11:58:221:31:336:594:41
6:52
-0:04
25K
15.53 mi12:15:261:48:377:0017:04
7:02
+0:10
30K
18.64 mi12:37:432:10:547:0122:17
7:10
+0:08
20M
20.00 mi12:47:232:20:347:029:40
7:07
-0:03
21M
21.00 mi12:55:062:28:177:047:43
7:43
+0:36
35K
21.75 mi13:00:182:33:297:035:12
6:57
-0:46
23M
23.00 mi13:09:292:42:407:049:11
7:20
+0:23
24M
24.00 mi13:16:322:49:437:047:03
7:03
-0:17
40K
24.85 mi13:22:242:55:357:045:52
6:52
-0:11
25.2M
25.20 mi13:24:582:58:097:042:34
7:27
+0:35
Finish
26.22 mi13:31:433:04:547:036:45
6:37
-0:50

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

6:37 /mi

Average Pace

7:03 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:26

89% of race

Time at Steady Pace

19:28

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi10:48:3821:497:0121:49
7:01
#8007
10K
6.21 mi11:10:1943:307:0021:41
6:59
#7871
15K
9.32 mi11:32:071:05:187:0021:48
7:01
#7796
20K
12.43 mi11:53:411:26:526:5921:34
6:56
#7433
Half
13.11 mi11:58:221:31:336:594:41
6:52
#7380
25K
15.53 mi12:15:261:48:377:0017:04
7:02
#7212
30K
18.64 mi12:37:432:10:547:0122:17
7:10
#6813
20M
20.00 mi12:47:232:20:347:029:40
7:07
#6562
21M
21.00 mi12:55:062:28:177:047:43
7:43
#6447
35K
21.75 mi13:00:182:33:297:035:12
6:57
#6364
23M
23.00 mi13:09:292:42:407:049:11
7:20
#6257
24M
24.00 mi13:16:322:49:437:047:03
7:03
#6138
40K
24.85 mi13:22:242:55:357:045:52
6:52
#5969
25.2M
25.20 mi13:24:582:58:097:042:34
7:27
#5899
Finish
26.22 mi13:31:433:04:547:036:45
6:37
#5737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi80079829827739(Top 27%)948(Top 8%)948(Top 55%)
10K6.21 mi3.10 mi7871+136953+29953+297807(Top 27%)941(Top 8%)941(Top 55%)
15K9.32 mi3.11 mi7796+75932+21932+217739(Top 27%)948(Top 8%)948(Top 55%)
20K12.43 mi3.11 mi7433+363830+102830+1026533(Top 23%)667(Top 5%)667(Top 39%)
Half13.11 mi0.68 mi7380+53817+13817+136722(Top 24%)700(Top 6%)700(Top 41%)
25K15.53 mi2.42 mi7212+168787+30787+306584(Top 23%)740(Top 6%)740(Top 43%)
30K18.64 mi3.11 mi6813+399732+55732+555760(Top 20%)609(Top 5%)609(Top 35%)
20M20.00 mi1.36 mi6562+251694+38694+384775(Top 17%)459(Top 4%)459(Top 27%)
21M21.00 mi1.00 mi6447+115681+13681+135757(Top 20%)832(Top 7%)832(Top 48%)
35K21.75 mi0.75 mi6364+83675+6675+65093(Top 18%)625(Top 5%)625(Top 36%)
23M23.00 mi1.25 mi6257+107669+6669+65667(Top 20%)870(Top 7%)870(Top 51%)
24M24.00 mi1.00 mi6138+119655+14655+144946(Top 17%)711(Top 6%)711(Top 41%)
40K24.85 mi0.85 mi5969+169632+23632+233209(Top 11%)334(Top 3%)334(Top 19%)
25.2M25.20 mi0.35 mi5899+70623+9623+93238(Top 11%)375(Top 3%)375(Top 22%)
Finish26.22 mi1.02 mi5737+162602+21602+213498(Top 12%)426(Top 3%)426(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7739

Females

948

F40-44

948

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7807

Females

941

F40-44

941

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7739

Females

948

F40-44

948

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6533

Females

667

F40-44

667

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6722

Females

700

F40-44

700

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6584

Females

740

F40-44

740

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5760

Females

609

F40-44

609

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4775

Females

459

F40-44

459

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5757

Females

832

F40-44

832

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5093

Females

625

F40-44

625

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5667

Females

870

F40-44

870

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4946

Females

711

F40-44

711

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3209

Females

334

F40-44

334

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3238

Females

375

F40-44

375

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3498

Females

426

F40-44

426

Passing Analysis

Category:
Athletes Passed
2655
Passed By
385
Net Change
+2270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8007
5K → 10K285149+136#8007#7871
10K → 15K178103+75#7871#7796
15K → 20K37310+363#7796#7433
20K → Half585+53#7433#7380
Half → 25K19830+168#7380#7212
25K → 30K41819+399#7212#6813
30K → 20M2565+251#6813#6562
20M → 21M13217+115#6562#6447
21M → 35K885+83#6447#6364
35K → 23M13326+107#6364#6257
23M → 24M13011+119#6257#6138
24M → 40K1690+169#6138#5969
40K → 25.2M733+70#5969#5899
25.2M → Finish1642+162#5899#5737
TOTALS2655385+2270
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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