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BOSTON MARATHON 2023

Heather Dusseau

Bib: 22453•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:44/mi
27:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
54:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:50/mi
1:21:56
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:49:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:55:44
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:17:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:46:46
↑ 181↓ 1480.2%
20M
9:34/mi
2:59:46
↑ 64↓ 500.2%
21M
10:04/mi
3:09:50
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:16:58
↑ 17↓ 861.7%
23M
9:50/mi
3:29:17
↑ 23↓ 630.6%
24M
9:37/mi
3:38:54
↓ 821.3%
40K· 24.85 mi
9:54/mi
3:47:22
↓ 200.3%
25.2M
10:55/mi
3:51:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
4:00:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:44
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:04:54
Pace9:32 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0227:078:4427:07
8:44
-
10K
6.21 mi11:47:2454:298:4627:22
8:49
+0:05
15K
9.32 mi12:14:511:21:568:4727:27
8:50
+0:01
20K
12.43 mi12:42:361:49:418:5027:45
8:56
+0:06
Half
13.11 mi12:48:391:55:448:506:03
8:52
-0:04
25K
15.53 mi13:10:352:17:408:5221:56
9:03
+0:11
30K
18.64 mi13:39:412:46:468:5729:06
9:22
+0:19
20M
20.00 mi13:52:412:59:468:5913:00
9:34
+0:12
21M
21.00 mi14:02:453:09:509:0210:04
10:04
+0:30
35K
21.75 mi14:09:533:16:589:037:08
9:32
-0:32
23M
23.00 mi14:22:123:29:179:0612:19
9:50
+0:18
24M
24.00 mi14:31:493:38:549:079:37
9:37
-0:13
40K
24.85 mi14:40:173:47:229:098:28
9:54
+0:17
25.2M
25.20 mi14:44:033:51:089:103:46
10:55
+1:01
Finish
26.22 mi14:53:334:00:389:119:30
9:19
-1:36

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

8:44 /mi

Average Pace

9:11 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:40

57% of race

Time at Steady Pace

1:08:21

28% of race

Time at Slower Pace

34:37

14% of race

Average Pace: 9:11 /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 mi11:20:0227:078:4427:07
8:44
#19070
10K
6.21 mi11:47:2454:298:4627:22
8:49
#19512
15K
9.32 mi12:14:511:21:568:4727:27
8:50
#19557
20K
12.43 mi12:42:361:49:418:5027:45
8:56
#19455
Half
13.11 mi12:48:391:55:448:506:03
8:52
#19479
25K
15.53 mi13:10:352:17:408:5221:56
9:03
#19415
30K
18.64 mi13:39:412:46:468:5729:06
9:22
#19343
20M
20.00 mi13:52:412:59:468:5913:00
9:34
#19309
21M
21.00 mi14:02:453:09:509:0210:04
10:04
#19229
35K
21.75 mi14:09:533:16:589:037:08
9:32
#19274
23M
23.00 mi14:22:123:29:179:0612:19
9:50
#19296
24M
24.00 mi14:31:493:38:549:079:37
9:37
#19325
40K
24.85 mi14:40:173:47:229:098:28
9:54
#19366
25.2M
25.20 mi14:44:033:51:089:103:46
10:55
#19397
Finish
26.22 mi14:53:334:00:389:119:30
9:19
#19417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi190707244724419710(Top 74%)7509(Top 66%)7509(Top 622%)
10K6.21 mi3.10 mi19512-4427473-2297473-22919981(Top 75%)7686(Top 67%)7686(Top 637%)
15K9.32 mi3.11 mi19557-457482-97482-919710(Top 74%)7509(Top 66%)7509(Top 622%)
20K12.43 mi3.11 mi19455+1027402+807402+8019384(Top 73%)7315(Top 64%)7315(Top 606%)
Half13.11 mi0.68 mi19479-247419-177419-1719867(Top 75%)7592(Top 66%)7592(Top 629%)
25K15.53 mi2.42 mi19415+647368+517368+5119199(Top 72%)7245(Top 63%)7245(Top 600%)
30K18.64 mi3.11 mi19343+727343+257343+2518889(Top 71%)7138(Top 62%)7138(Top 591%)
20M20.00 mi1.36 mi19309+347336+77336+719117(Top 72%)7358(Top 64%)7358(Top 610%)
21M21.00 mi1.00 mi19229+807301+357301+3518288(Top 69%)6925(Top 61%)6925(Top 574%)
35K21.75 mi0.75 mi19274-457330-297330-2919966(Top 75%)7910(Top 69%)7910(Top 655%)
23M23.00 mi1.25 mi19296-227350-207350-2019539(Top 73%)7703(Top 67%)7703(Top 638%)
24M24.00 mi1.00 mi19325-297370-207370-2019643(Top 74%)7778(Top 68%)7778(Top 644%)
40K24.85 mi0.85 mi19366-417410-407410-4019711(Top 74%)7897(Top 69%)7897(Top 654%)
25.2M25.20 mi0.35 mi19397-317428-187428-1820294(Top 76%)8207(Top 72%)8207(Top 680%)
Finish26.22 mi1.02 mi19417-207451-237451-2319473(Top 73%)7716(Top 68%)7716(Top 639%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19710

Females

7509

F50-54

7509

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19981

Females

7686

F50-54

7686

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19710

Females

7509

F50-54

7509

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19384

Females

7315

F50-54

7315

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19867

Females

7592

F50-54

7592

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19199

Females

7245

F50-54

7245

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18889

Females

7138

F50-54

7138

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19117

Females

7358

F50-54

7358

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18288

Females

6925

F50-54

6925

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19966

Females

7910

F50-54

7910

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19539

Females

7703

F50-54

7703

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19643

Females

7778

F50-54

7778

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19711

Females

7897

F50-54

7897

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20294

Females

8207

F50-54

8207

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19473

Females

7716

F50-54

7716

Passing Analysis

Category:
Athletes Passed
1348
Passed By
1695
Net Change
-347
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19070
5K → 10K156598-442#19070#19512
10K → 15K165210-45#19512#19557
15K → 20K207105+102#19557#19455
20K → Half1741-24#19455#19479
Half → 25K14783+64#19479#19415
25K → 30K199127+72#19415#19343
30K → 20M10066+34#19343#19309
20M → 21M12141+80#19309#19229
21M → 35K2671-45#19229#19274
35K → 23M6284-22#19274#19296
23M → 24M5483-29#19296#19325
24M → 40K3778-41#19325#19366
40K → 25.2M1344-31#19366#19397
25.2M → Finish4464-20#19397#19417
TOTALS13481695-347
📊

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