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BOSTON MARATHON 2023

Emma Sisti

Bib: 19329•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 23%
Division (F40-44)
#0 / 1878
Top 42%
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
8:02/mi
24:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:13:58
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:38:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:30:09
↑ 181↓ 1480.2%
20M
8:35/mi
2:41:49
↑ 64↓ 500.2%
21M
9:09/mi
2:50:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:57:07
↑ 17↓ 861.7%
23M
8:28/mi
3:07:43
↑ 23↓ 630.6%
24M
8:18/mi
3:16:01
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:23:29
↓ 200.3%
25.2M
9:34/mi
3:26:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:35:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:51:01
Pace8:28 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0824:568:0224:56
8:02
-
10K
6.21 mi11:41:4549:337:5824:37
7:55
-0:07
15K
9.32 mi12:06:101:13:587:5624:25
7:52
-0:03
20K
12.43 mi12:31:111:38:597:5825:01
8:03
+0:11
Half
13.11 mi12:36:361:44:247:585:25
7:56
-0:07
25K
15.53 mi12:56:202:04:087:5919:44
8:08
+0:12
30K
18.64 mi13:22:212:30:098:0326:01
8:22
+0:14
20M
20.00 mi13:34:012:41:498:0511:40
8:35
+0:13
21M
21.00 mi13:43:102:50:588:089:09
9:09
+0:34
35K
21.75 mi13:49:192:57:078:096:09
8:13
-0:56
23M
23.00 mi13:59:553:07:438:1010:36
8:28
+0:15
24M
24.00 mi14:08:133:16:018:108:18
8:18
-0:10
40K
24.85 mi14:15:413:23:298:117:28
8:44
+0:26
25.2M
25.20 mi14:18:593:26:478:123:18
9:34
+0:50
Finish
26.22 mi14:27:373:35:258:138:38
8:28
-1:06

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

7:52 /mi

Average Pace

8:13 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:24

48% of race

Time at Steady Pace

1:19:26

37% of race

Time at Slower Pace

31:35

15% of race

Average Pace: 8:13 /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 mi11:17:0824:568:0224:56
8:02
#14204
10K
6.21 mi11:41:4549:337:5824:37
7:55
#14203
15K
9.32 mi12:06:101:13:587:5624:25
7:52
#13871
20K
12.43 mi12:31:111:38:597:5825:01
8:03
#13823
Half
13.11 mi12:36:361:44:247:585:25
7:56
#13816
25K
15.53 mi12:56:202:04:087:5919:44
8:08
#13795
30K
18.64 mi13:22:212:30:098:0326:01
8:22
#13727
20M
20.00 mi13:34:012:41:498:0511:40
8:35
#13755
21M
21.00 mi13:43:102:50:588:089:09
9:09
#13766
35K
21.75 mi13:49:192:57:078:096:09
8:13
#13758
23M
23.00 mi13:59:553:07:438:1010:36
8:28
#13684
24M
24.00 mi14:08:133:16:018:108:18
8:18
#13637
40K
24.85 mi14:15:413:23:298:117:28
8:44
#13664
25.2M
25.20 mi14:18:593:26:478:123:18
9:34
#13706
Finish
26.22 mi14:27:373:35:258:138:38
8:28
#13752
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi142044152415213206(Top 50%)3613(Top 32%)3613(Top 192%)
10K6.21 mi3.10 mi14203+14166-144166-1414202(Top 53%)4180(Top 37%)4180(Top 223%)
15K9.32 mi3.11 mi13871+3323979+1873979+18713206(Top 50%)3613(Top 32%)3613(Top 192%)
20K12.43 mi3.11 mi13823+483973+63973+613874(Top 52%)4033(Top 35%)4033(Top 215%)
Half13.11 mi0.68 mi13816+73973397313943(Top 52%)4052(Top 35%)4052(Top 216%)
25K15.53 mi2.42 mi13795+213985-123985-1213811(Top 52%)4104(Top 36%)4104(Top 219%)
30K18.64 mi3.11 mi13727+683976+93976+913529(Top 51%)4043(Top 35%)4043(Top 215%)
20M20.00 mi1.36 mi13755-284014-384014-3814170(Top 53%)4512(Top 39%)4512(Top 240%)
21M21.00 mi1.00 mi13766-114036-224036-2214223(Top 53%)4600(Top 40%)4600(Top 245%)
35K21.75 mi0.75 mi13758+84047-114047-1113619(Top 51%)4354(Top 38%)4354(Top 232%)
23M23.00 mi1.25 mi13684+744031+164031+1613018(Top 49%)4081(Top 36%)4081(Top 217%)
24M24.00 mi1.00 mi13637+474025+64025+613270(Top 50%)4266(Top 37%)4266(Top 227%)
40K24.85 mi0.85 mi13664-274062-374062-3714729(Top 55%)5142(Top 45%)5142(Top 274%)
25.2M25.20 mi0.35 mi13706-424094-324094-3215516(Top 58%)5577(Top 49%)5577(Top 297%)
Finish26.22 mi1.02 mi13752-464140-464140-4615251(Top 57%)5394(Top 47%)5394(Top 287%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13206

Females

3613

F40-44

3613

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14202

Females

4180

F40-44

4180

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13206

Females

3613

F40-44

3613

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13874

Females

4033

F40-44

4033

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13943

Females

4052

F40-44

4052

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13811

Females

4104

F40-44

4104

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13529

Females

4043

F40-44

4043

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14170

Females

4512

F40-44

4512

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14223

Females

4600

F40-44

4600

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13619

Females

4354

F40-44

4354

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13018

Females

4081

F40-44

4081

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13270

Females

4266

F40-44

4266

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14729

Females

5142

F40-44

5142

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15516

Females

5577

F40-44

5577

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15251

Females

5394

F40-44

5394

Passing Analysis

Category:
Athletes Passed
1844
Passed By
1392
Net Change
+452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14204
5K → 10K287286+1#14204#14203
10K → 15K38856+332#14203#13871
15K → 20K199151+48#13871#13823
20K → Half3932+7#13823#13816
Half → 25K137116+21#13816#13795
25K → 30K221153+68#13795#13727
30K → 20M87115-28#13727#13755
20M → 21M91102-11#13755#13766
21M → 35K5345+8#13766#13758
35K → 23M12551+74#13758#13684
23M → 24M8942+47#13684#13637
24M → 40K5380-27#13637#13664
40K → 25.2M2163-42#13664#13706
25.2M → Finish54100-46#13706#13752
TOTALS18441392+452
📊

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