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BOSTON MARATHON 2025

Shawnessy Dusseau

Bib: 18614•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F40-44)
#0 / 1718
Top 39%
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:30
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:36:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:01:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:26:56
↑ 181↓ 1480.2%
20M
8:39/mi
2:38:41
↑ 64↓ 500.2%
21M
9:12/mi
2:47:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
2:54:10
↑ 17↓ 861.7%
23M
8:31/mi
3:04:50
↑ 23↓ 630.6%
24M
8:14/mi
3:13:04
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:20:15
↓ 200.3%
25.2M
9:08/mi
3:23:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:31:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:55
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1624:187:4924:18
7:49
-
10K
6.21 mi11:39:2348:257:4824:07
7:46
-0:03
15K
9.32 mi12:03:281:12:307:4724:05
7:45
-0:01
20K
12.43 mi12:27:391:36:417:4724:11
7:47
+0:02
Half
13.11 mi12:32:531:41:557:465:14
7:40
-0:07
25K
15.53 mi12:52:002:01:027:4719:07
7:53
+0:13
30K
18.64 mi13:17:542:26:567:5325:54
8:20
+0:27
20M
20.00 mi13:29:392:38:417:5611:45
8:39
+0:19
21M
21.00 mi13:38:512:47:538:009:12
9:12
+0:33
35K
21.75 mi13:45:082:54:108:016:17
8:24
-0:48
23M
23.00 mi13:55:483:04:508:0210:40
8:31
+0:07
24M
24.00 mi14:04:023:13:048:038:14
8:14
-0:17
40K
24.85 mi14:11:133:20:158:037:11
8:24
+0:10
25.2M
25.20 mi14:14:223:23:248:043:09
9:08
+0:44
Finish
26.22 mi14:22:233:31:258:048:01
7:52
-1:16

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

7:40 /mi

Average Pace

8:04 /mi

Slowest Pace

9:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:03

61% of race

Time at Steady Pace

47:36

23% of race

Time at Slower Pace

34:46

16% of race

Average Pace: 8:04 /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 mi11:15:1624:187:4924:18
7:49
#15015
10K
6.21 mi11:39:2348:257:4824:07
7:46
#14720
15K
9.32 mi12:03:281:12:307:4724:05
7:45
#14451
20K
12.43 mi12:27:391:36:417:4724:11
7:47
#14088
Half
13.11 mi12:32:531:41:557:465:14
7:40
#14030
25K
15.53 mi12:52:002:01:027:4719:07
7:53
#13824
30K
18.64 mi13:17:542:26:567:5325:54
8:20
#13736
20M
20.00 mi13:29:392:38:417:5611:45
8:39
#13779
21M
21.00 mi13:38:512:47:538:009:12
9:12
#13814
35K
21.75 mi13:45:082:54:108:016:17
8:24
#13833
23M
23.00 mi13:55:483:04:508:0210:40
8:31
#13816
24M
24.00 mi14:04:023:13:048:038:14
8:14
#13758
40K
24.85 mi14:11:133:20:158:037:11
8:24
#13689
25.2M
25.20 mi14:14:223:23:248:043:09
9:08
#13669
Finish
26.22 mi14:22:233:31:258:048:01
7:52
#13602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150154536453613959(Top 49%)3990(Top 33%)3990(Top 232%)
10K6.21 mi3.10 mi14720+2954377+1594377+15914482(Top 51%)4240(Top 35%)4240(Top 247%)
15K9.32 mi3.11 mi14451+2694231+1464231+14613959(Top 49%)3990(Top 33%)3990(Top 232%)
20K12.43 mi3.11 mi14088+3634053+1784053+17813159(Top 46%)3634(Top 30%)3634(Top 212%)
Half13.11 mi0.68 mi14030+584019+344019+3413237(Top 47%)3637(Top 30%)3637(Top 212%)
25K15.53 mi2.42 mi13824+2063944+753944+7513009(Top 46%)3681(Top 30%)3681(Top 214%)
30K18.64 mi3.11 mi13736+883960-163960-1613729(Top 48%)4214(Top 34%)4214(Top 245%)
20M20.00 mi1.36 mi13779-434014-544014-5414705(Top 52%)4880(Top 40%)4880(Top 284%)
21M21.00 mi1.00 mi13814-354069-554069-5514640(Top 52%)4958(Top 41%)4958(Top 289%)
35K21.75 mi0.75 mi13833-194095-264095-2614862(Top 52%)5151(Top 42%)5151(Top 300%)
23M23.00 mi1.25 mi13816+174123-284123-2813436(Top 47%)4488(Top 37%)4488(Top 261%)
24M24.00 mi1.00 mi13758+584125-24125-212833(Top 45%)4233(Top 35%)4233(Top 246%)
40K24.85 mi0.85 mi13689+694110+154110+1512827(Top 45%)4347(Top 36%)4347(Top 253%)
25.2M25.20 mi0.35 mi13669+204115-54115-512617(Top 44%)4296(Top 35%)4296(Top 250%)
Finish26.22 mi1.02 mi13602+674100+154100+1511969(Top 42%)3917(Top 32%)3917(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13959

Females

3990

F40-44

3990

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14482

Females

4240

F40-44

4240

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13959

Females

3990

F40-44

3990

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13159

Females

3634

F40-44

3634

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13237

Females

3637

F40-44

3637

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13009

Females

3681

F40-44

3681

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13729

Females

4214

F40-44

4214

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14705

Females

4880

F40-44

4880

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14640

Females

4958

F40-44

4958

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14862

Females

5151

F40-44

5151

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13436

Females

4488

F40-44

4488

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12833

Females

4233

F40-44

4233

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12827

Females

4347

F40-44

4347

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12617

Females

4296

F40-44

4296

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11969

Females

3917

F40-44

3917

Passing Analysis

Category:
Athletes Passed
2589
Passed By
1176
Net Change
+1413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15015
5K → 10K464169+295#15015#14720
10K → 15K34071+269#14720#14451
15K → 20K40643+363#14451#14088
20K → Half7113+58#14088#14030
Half → 25K28276+206#14030#13824
25K → 30K280192+88#13824#13736
30K → 20M109152-43#13736#13779
20M → 21M94129-35#13779#13814
21M → 35K4968-19#13814#13833
35K → 23M122105+17#13833#13816
23M → 24M10951+58#13816#13758
24M → 40K11748+69#13758#13689
40K → 25.2M4525+20#13689#13669
25.2M → Finish10134+67#13669#13602
TOTALS25891176+1413
📊

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