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BOSTON MARATHON 2023

Erin Jaskiewicz

Bib: 15679•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:11:48
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:36:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:41:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:00:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:25:52
↑ 181↓ 1480.2%
20M
8:24/mi
2:37:17
↑ 64↓ 500.2%
21M
8:41/mi
2:45:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:51:56
↑ 17↓ 861.7%
23M
8:24/mi
3:02:27
↑ 23↓ 630.6%
24M
8:23/mi
3:10:50
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:17:43
↓ 200.3%
25.2M
8:45/mi
3:20:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:28:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:42
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:46:44
Pace8:09 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0224:037:4424:03
7:44
-
10K
6.21 mi11:17:4647:477:4123:44
7:38
-0:06
15K
9.32 mi11:41:471:11:487:4224:01
7:44
+0:06
20K
12.43 mi12:06:191:36:207:4524:32
7:54
+0:10
Half
13.11 mi12:11:411:41:427:455:22
7:52
-0:02
25K
15.53 mi12:30:412:00:427:4619:00
7:50
-0:02
30K
18.64 mi12:55:512:25:527:4925:10
8:06
+0:16
20M
20.00 mi13:07:162:37:177:5211:25
8:24
+0:18
21M
21.00 mi13:15:572:45:587:548:41
8:41
+0:17
35K
21.75 mi13:21:552:51:567:545:58
7:59
-0:42
23M
23.00 mi13:32:263:02:277:5610:31
8:24
+0:25
24M
24.00 mi13:40:493:10:507:578:23
8:23
-0:01
40K
24.85 mi13:47:423:17:437:576:53
8:03
-0:20
25.2M
25.20 mi13:50:433:20:447:583:01
8:45
+0:42
Finish
26.22 mi13:58:253:28:267:577:42
7:33
-1:12

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

7:33 /mi

Average Pace

7:57 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:25

80% of race

Time at Steady Pace

42:01

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi10:54:0224:037:4424:03
7:44
#11855
10K
6.21 mi11:17:4647:477:4123:44
7:38
#11712
15K
9.32 mi11:41:471:11:487:4224:01
7:44
#11819
20K
12.43 mi12:06:191:36:207:4524:32
7:54
#11983
Half
13.11 mi12:11:411:41:427:455:22
7:52
#12045
25K
15.53 mi12:30:412:00:427:4619:00
7:50
#11913
30K
18.64 mi12:55:512:25:527:4925:10
8:06
#11817
20M
20.00 mi13:07:162:37:177:5211:25
8:24
#11912
21M
21.00 mi13:15:572:45:587:548:41
8:41
#11898
35K
21.75 mi13:21:552:51:567:545:58
7:59
#11887
23M
23.00 mi13:32:263:02:277:5610:31
8:24
#11913
24M
24.00 mi13:40:493:10:507:578:23
8:23
#12001
40K
24.85 mi13:47:423:17:437:576:53
8:03
#11927
25.2M
25.20 mi13:50:433:20:447:583:01
8:45
#11906
Finish
26.22 mi13:58:253:28:267:577:42
7:33
#11767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118552779277912117(Top 46%)2959(Top 26%)2959(Top 61%)
10K6.21 mi3.10 mi11712+1432713+662713+6611701(Top 44%)2701(Top 24%)2701(Top 55%)
15K9.32 mi3.11 mi11819-1072793-802793-8012117(Top 46%)2959(Top 26%)2959(Top 61%)
20K12.43 mi3.11 mi11983-1642905-1122905-11212592(Top 47%)3309(Top 29%)3309(Top 68%)
Half13.11 mi0.68 mi12045-622942-372942-3713320(Top 50%)3669(Top 32%)3669(Top 75%)
25K15.53 mi2.42 mi11913+1322889+532889+5311413(Top 43%)2725(Top 24%)2725(Top 56%)
30K18.64 mi3.11 mi11817+962876+132876+1311646(Top 44%)2989(Top 26%)2989(Top 61%)
20M20.00 mi1.36 mi11912-952944-682944-6813039(Top 49%)3875(Top 34%)3875(Top 79%)
21M21.00 mi1.00 mi11898+142951-72951-711574(Top 43%)3179(Top 28%)3179(Top 65%)
35K21.75 mi0.75 mi11887+112963-122963-1211965(Top 45%)3401(Top 30%)3401(Top 70%)
23M23.00 mi1.25 mi11913-263005-423005-4212584(Top 47%)3835(Top 34%)3835(Top 79%)
24M24.00 mi1.00 mi12001-883078-733078-7313770(Top 52%)4528(Top 40%)4528(Top 93%)
40K24.85 mi0.85 mi11927+743056+223056+2210404(Top 39%)2846(Top 25%)2846(Top 58%)
25.2M25.20 mi0.35 mi11906+213048+83048+811083(Top 42%)3241(Top 28%)3241(Top 66%)
Finish26.22 mi1.02 mi11767+1392993+552993+559001(Top 34%)2252(Top 20%)2252(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12117

Females

2959

F18-39

2959

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11701

Females

2701

F18-39

2701

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12117

Females

2959

F18-39

2959

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12592

Females

3309

F18-39

3309

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13320

Females

3669

F18-39

3669

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11413

Females

2725

F18-39

2725

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11646

Females

2989

F18-39

2989

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13039

Females

3875

F18-39

3875

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11574

Females

3179

F18-39

3179

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11965

Females

3401

F18-39

3401

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12584

Females

3835

F18-39

3835

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13770

Females

4528

F18-39

4528

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10404

Females

2846

F18-39

2846

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11083

Females

3241

F18-39

3241

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9001

Females

2252

F18-39

2252

Passing Analysis

Category:
Athletes Passed
1720
Passed By
1632
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11855
5K → 10K370227+143#11855#11712
10K → 15K147254-107#11712#11819
15K → 20K115279-164#11819#11983
20K → Half870-62#11983#12045
Half → 25K19866+132#12045#11913
25K → 30K231135+96#11913#11817
30K → 20M72167-95#11817#11912
20M → 21M9985+14#11912#11898
21M → 35K5746+11#11898#11887
35K → 23M79105-26#11887#11913
23M → 24M44132-88#11913#12001
24M → 40K10127+74#12001#11927
40K → 25.2M4322+21#11927#11906
25.2M → Finish15617+139#11906#11767
TOTALS17201632+88
📊

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