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BOSTON MARATHON 2023

Rebecca Zucconi

Bib: 21853•F

CT

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
8:37/mi
26:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:20:52
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:48:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:55:01
↑ 19↓ 370.5%
25K· 15.53 mi
9:08/mi
2:17:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:23/mi
2:46:17
↑ 181↓ 1480.2%
20M
9:20/mi
2:58:58
↑ 64↓ 500.2%
21M
10:11/mi
3:09:09
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:15:59
↑ 17↓ 861.7%
23M
9:25/mi
3:27:46
↑ 23↓ 630.6%
24M
9:24/mi
3:37:10
↓ 821.3%
40K· 24.85 mi
9:42/mi
3:45:28
↓ 200.3%
25.2M
10:18/mi
3:49:01
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
3:58:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:03:25
Pace9:25 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2126:468:3726:46
8:37
-
10K
6.21 mi11:49:1453:398:3826:53
8:39
+0:02
15K
9.32 mi12:16:271:20:528:4127:13
8:46
+0:07
20K
12.43 mi12:44:301:48:558:4628:03
9:02
+0:16
Half
13.11 mi12:50:361:55:018:466:06
8:56
-0:06
25K
15.53 mi13:12:442:17:098:5022:08
9:08
+0:12
30K
18.64 mi13:41:522:46:178:5529:08
9:23
+0:15
20M
20.00 mi13:54:332:58:588:5712:41
9:20
-0:03
21M
21.00 mi14:04:443:09:099:0010:11
10:11
+0:51
35K
21.75 mi14:11:343:15:599:016:50
9:08
-1:03
23M
23.00 mi14:23:213:27:469:0211:47
9:25
+0:17
24M
24.00 mi14:32:453:37:109:039:24
9:24
-0:01
40K
24.85 mi14:41:033:45:289:048:18
9:42
+0:18
25.2M
25.20 mi14:44:363:49:019:053:33
10:18
+0:36
Finish
26.22 mi14:54:013:58:269:069:25
9:14
-1:04

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

8:37 /mi

Average Pace

9:06 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:24

91% of race

Time at Steady Pace

8:18

3% of race

Time at Slower Pace

13:44

6% of race

Average Pace: 9:06 /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 mi11:22:2126:468:3726:46
8:37
#18330
10K
6.21 mi11:49:1453:398:3826:53
8:39
#18715
15K
9.32 mi12:16:271:20:528:4127:13
8:46
#18916
20K
12.43 mi12:44:301:48:558:4628:03
9:02
#19142
Half
13.11 mi12:50:361:55:018:466:06
8:56
#19197
25K
15.53 mi13:12:442:17:098:5022:08
9:08
#19258
30K
18.64 mi13:41:522:46:178:5529:08
9:23
#19209
20M
20.00 mi13:54:332:58:588:5712:41
9:20
#19114
21M
21.00 mi14:04:443:09:099:0010:11
10:11
#19090
35K
21.75 mi14:11:343:15:599:016:50
9:08
#19065
23M
23.00 mi14:23:213:27:469:0211:47
9:25
#18994
24M
24.00 mi14:32:453:37:109:039:24
9:24
#19000
40K
24.85 mi14:41:033:45:289:048:18
9:42
#19004
25.2M
25.20 mi14:44:363:49:019:053:33
10:18
#18998
Finish
26.22 mi14:54:013:58:269:069:25
9:14
#19030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183306766676619307(Top 73%)7273(Top 64%)7273(Top 603%)
10K6.21 mi3.10 mi18715-3856956-1906956-19019156(Top 72%)7177(Top 63%)7177(Top 595%)
15K9.32 mi3.11 mi18916-2017081-1257081-12519307(Top 73%)7273(Top 64%)7273(Top 603%)
20K12.43 mi3.11 mi19142-2267201-1207201-12019838(Top 75%)7577(Top 66%)7577(Top 628%)
Half13.11 mi0.68 mi19197-557232-317232-3120200(Top 76%)7771(Top 68%)7771(Top 644%)
25K15.53 mi2.42 mi19258-617275-437275-4319549(Top 73%)7451(Top 65%)7451(Top 617%)
30K18.64 mi3.11 mi19209+497262+137262+1318939(Top 71%)7161(Top 63%)7161(Top 593%)
20M20.00 mi1.36 mi19114+957217+457217+4518177(Top 68%)6840(Top 60%)6840(Top 567%)
21M21.00 mi1.00 mi19090+247221-47221-418667(Top 70%)7146(Top 63%)7146(Top 592%)
35K21.75 mi0.75 mi19065+257212+97212+918496(Top 69%)7104(Top 62%)7104(Top 589%)
23M23.00 mi1.25 mi18994+717179+337179+3317992(Top 68%)6864(Top 60%)6864(Top 569%)
24M24.00 mi1.00 mi19000-67200-217200-2118869(Top 71%)7372(Top 65%)7372(Top 611%)
40K24.85 mi0.85 mi19004-47203-37203-319060(Top 72%)7530(Top 66%)7530(Top 624%)
25.2M25.20 mi0.35 mi18998+67202+17202+118495(Top 69%)7228(Top 63%)7228(Top 599%)
Finish26.22 mi1.02 mi19030-327228-267228-2619130(Top 72%)7507(Top 66%)7507(Top 622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19307

Females

7273

F50-54

7273

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19156

Females

7177

F50-54

7177

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19307

Females

7273

F50-54

7273

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19838

Females

7577

F50-54

7577

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20200

Females

7771

F50-54

7771

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19549

Females

7451

F50-54

7451

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18939

Females

7161

F50-54

7161

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18177

Females

6840

F50-54

6840

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18667

Females

7146

F50-54

7146

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18496

Females

7104

F50-54

7104

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17992

Females

6864

F50-54

6864

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18869

Females

7372

F50-54

7372

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19060

Females

7530

F50-54

7530

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18495

Females

7228

F50-54

7228

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19130

Females

7507

F50-54

7507

Passing Analysis

Category:
Athletes Passed
1222
Passed By
1922
Net Change
-700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18330
5K → 10K166551-385#18330#18715
10K → 15K106307-201#18715#18916
15K → 20K95321-226#18916#19142
20K → Half1267-55#19142#19197
Half → 25K100161-61#19197#19258
25K → 30K186137+49#19258#19209
30K → 20M13742+95#19209#19114
20M → 21M9066+24#19114#19090
21M → 35K5126+25#19090#19065
35K → 23M10736+71#19065#18994
23M → 24M5864-6#18994#19000
24M → 40K5054-4#19000#19004
40K → 25.2M2822+6#19004#18998
25.2M → Finish3668-32#18998#19030
TOTALS12221922-700
📊

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