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BOSTON MARATHON 2023

Shivaun Roach-Pacitto

Bib: 23836•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
8:33/mi
26:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:40/mi
53:30
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:20:32
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:48:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:54:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:37/mi
2:18:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:59/mi
2:49:15
↑ 181↓ 1480.2%
20M
10:10/mi
3:03:04
↑ 64↓ 500.2%
21M
11:06/mi
3:14:10
↑ 106↓ 241.6%
35K· 21.75 mi
10:01/mi
3:21:40
↑ 17↓ 861.7%
23M
10:38/mi
3:34:59
↑ 23↓ 630.6%
24M
10:36/mi
3:45:35
↓ 821.3%
40K· 24.85 mi
11:10/mi
3:55:08
↓ 200.3%
25.2M
12:19/mi
3:59:23
↑ 13↓ 160.2%
Finish· 26.22 mi
11:16/mi
4:10:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:55
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:15:57
Pace10:22 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2326:358:3326:35
8:33
-
10K
6.21 mi11:47:1853:308:3726:55
8:40
+0:07
15K
9.32 mi12:14:201:20:328:3827:02
8:42
+0:02
20K
12.43 mi12:42:471:48:598:4628:27
9:09
+0:27
Half
13.11 mi12:48:431:54:558:465:56
8:42
-0:27
25K
15.53 mi13:12:032:18:158:5423:20
9:37
+0:55
30K
18.64 mi13:43:032:49:159:0531:00
9:59
+0:22
20M
20.00 mi13:56:523:03:049:0913:49
10:10
+0:11
21M
21.00 mi14:07:583:14:109:1511:06
11:06
+0:56
35K
21.75 mi14:15:283:21:409:167:30
10:01
-1:05
23M
23.00 mi14:28:473:34:599:2113:19
10:38
+0:37
24M
24.00 mi14:39:233:45:359:2410:36
10:36
-0:02
40K
24.85 mi14:48:563:55:089:289:33
11:10
+0:34
25.2M
25.20 mi14:53:113:59:239:304:15
12:19
+1:09
Finish
26.22 mi15:04:404:10:529:3511:29
11:16
-1:03

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

8:33 /mi

Average Pace

9:35 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:55

46% of race

Time at Steady Pace

1:15:39

30% of race

Time at Slower Pace

1:00:18

24% of race

Average Pace: 9:34 /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 mi11:20:2326:358:3326:35
8:33
#17957
10K
6.21 mi11:47:1853:308:3726:55
8:40
#18584
15K
9.32 mi12:14:201:20:328:3827:02
8:42
#18702
20K
12.43 mi12:42:471:48:598:4628:27
9:09
#19175
Half
13.11 mi12:48:431:54:558:465:56
8:42
#19148
25K
15.53 mi13:12:032:18:158:5423:20
9:37
#19619
30K
18.64 mi13:43:032:49:159:0531:00
9:59
#19967
20M
20.00 mi13:56:523:03:049:0913:49
10:10
#20065
21M
21.00 mi14:07:583:14:109:1511:06
11:06
#20144
35K
21.75 mi14:15:283:21:409:167:30
10:01
#20191
23M
23.00 mi14:28:473:34:599:2113:19
10:38
#20292
24M
24.00 mi14:39:233:45:359:2410:36
10:36
#20392
40K
24.85 mi14:48:563:55:089:289:33
11:10
#20500
25.2M
25.20 mi14:53:113:59:239:304:15
12:19
#20563
Finish
26.22 mi15:04:404:10:529:3511:29
11:16
#20750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi179576531653119004(Top 71%)7107(Top 62%)7107(Top 872%)
10K6.21 mi3.10 mi18584-6276875-3446875-34419231(Top 72%)7222(Top 63%)7222(Top 886%)
15K9.32 mi3.11 mi18702-1186943-686943-6819004(Top 71%)7107(Top 62%)7107(Top 872%)
20K12.43 mi3.11 mi19175-4737222-2797222-27920404(Top 77%)7907(Top 69%)7907(Top 970%)
Half13.11 mi0.68 mi19148+277206+167206+1619001(Top 71%)7100(Top 62%)7100(Top 871%)
25K15.53 mi2.42 mi19619-4717495-2897495-28921205(Top 80%)8383(Top 73%)8383(Top 1029%)
30K18.64 mi3.11 mi19967-3487714-2197714-21920983(Top 79%)8333(Top 73%)8333(Top 1022%)
20M20.00 mi1.36 mi20065-987782-687782-6820929(Top 79%)8372(Top 73%)8372(Top 1027%)
21M21.00 mi1.00 mi20144-797836-547836-5421043(Top 79%)8487(Top 74%)8487(Top 1041%)
35K21.75 mi0.75 mi20191-477872-367872-3621343(Top 80%)8673(Top 76%)8673(Top 1064%)
23M23.00 mi1.25 mi20292-1017934-627934-6221632(Top 81%)8864(Top 78%)8864(Top 1088%)
24M24.00 mi1.00 mi20392-1008001-678001-6722236(Top 84%)9230(Top 81%)9230(Top 1133%)
40K24.85 mi0.85 mi20500-1088073-728073-7222687(Top 85%)9493(Top 83%)9493(Top 1165%)
25.2M25.20 mi0.35 mi20563-638113-408113-4023017(Top 86%)9663(Top 85%)9663(Top 1186%)
Finish26.22 mi1.02 mi20750-1878228-1158228-11524390(Top 92%)10352(Top 91%)10352(Top 1270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

19004

Females

7107

F55-59

7107

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19231

Females

7222

F55-59

7222

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

19004

Females

7107

F55-59

7107

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20404

Females

7907

F55-59

7907

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

19001

Females

7100

F55-59

7100

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21205

Females

8383

F55-59

8383

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20983

Females

8333

F55-59

8333

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20929

Females

8372

F55-59

8372

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21043

Females

8487

F55-59

8487

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21343

Females

8673

F55-59

8673

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21632

Females

8864

F55-59

8864

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22236

Females

9230

F55-59

9230

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22687

Females

9493

F55-59

9493

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

23017

Females

9663

F55-59

9663

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24390

Females

10352

F55-59

10352

Passing Analysis

Category:
Athletes Passed
682
Passed By
3475
Net Change
-2793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17957
5K → 10K120747-627#17957#18584
10K → 15K135253-118#18584#18702
15K → 20K50523-473#18702#19175
20K → Half4215+27#19175#19148
Half → 25K31502-471#19148#19619
25K → 30K73421-348#19619#19967
30K → 20M56154-98#19967#20065
20M → 21M51130-79#20065#20144
21M → 35K3077-47#20144#20191
35K → 23M42143-101#20191#20292
23M → 24M13113-100#20292#20392
24M → 40K21129-108#20392#20500
40K → 25.2M1275-63#20500#20563
25.2M → Finish6193-187#20563#20750
TOTALS6823475-2793
📊

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