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BOSTON MARATHON 2023

Jenn Bonaskiewich

Bib: 22632•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F45-49)
#0 / 1817
Top 9%
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
8:13/mi
25:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
49:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:13:35
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:37:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:43:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:02:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:27:26
↑ 181↓ 1480.2%
20M
7:37/mi
2:37:47
↑ 64↓ 500.2%
21M
7:49/mi
2:45:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:51:06
↑ 17↓ 861.7%
23M
7:30/mi
3:00:29
↑ 23↓ 630.6%
24M
7:20/mi
3:07:49
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:14:13
↓ 200.3%
25.2M
7:50/mi
3:16:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:00/mi
3:24:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:11
Pace7:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:52
Pace7:42 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5625:328:1325:32
8:13
-
10K
6.21 mi11:44:5749:337:5824:01
7:44
-0:29
15K
9.32 mi12:08:591:13:357:5424:02
7:44
0:00
20K
12.43 mi12:33:141:37:507:5224:15
7:48
+0:04
Half
13.11 mi12:38:351:43:117:525:21
7:50
+0:02
25K
15.53 mi12:57:302:02:067:5218:55
7:48
-0:02
30K
18.64 mi13:22:502:27:267:5525:20
8:09
+0:21
20M
20.00 mi13:33:112:37:477:5310:21
7:37
-0:32
21M
21.00 mi13:41:002:45:367:537:49
7:49
+0:12
35K
21.75 mi13:46:302:51:067:525:30
7:21
-0:28
23M
23.00 mi13:55:533:00:297:519:23
7:30
+0:09
24M
24.00 mi14:03:133:07:497:507:20
7:20
-0:10
40K
24.85 mi14:09:373:14:137:496:24
7:29
+0:09
25.2M
25.20 mi14:12:193:16:557:492:42
7:50
+0:21
Finish
26.22 mi14:19:273:24:037:477:08
7:00
-0:50

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

7:00 /mi

Average Pace

7:47 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:06

23% of race

Time at Steady Pace

2:37:57

77% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:20:5625:328:1325:32
8:13
#15591
10K
6.21 mi11:44:5749:337:5824:01
7:44
#14197
15K
9.32 mi12:08:591:13:357:5424:02
7:44
#13534
20K
12.43 mi12:33:141:37:507:5224:15
7:48
#13065
Half
13.11 mi12:38:351:43:117:525:21
7:50
#13052
25K
15.53 mi12:57:302:02:067:5218:55
7:48
#12680
30K
18.64 mi13:22:502:27:267:5525:20
8:09
#12540
20M
20.00 mi13:33:112:37:477:5310:21
7:37
#12118
21M
21.00 mi13:41:002:45:367:537:49
7:49
#11736
35K
21.75 mi13:46:302:51:067:525:30
7:21
#11552
23M
23.00 mi13:55:533:00:297:519:23
7:30
#11182
24M
24.00 mi14:03:133:07:497:507:20
7:20
#10936
40K
24.85 mi14:09:373:14:137:496:24
7:29
#10740
25.2M
25.20 mi14:12:193:16:557:492:42
7:50
#10636
Finish
26.22 mi14:19:273:24:037:477:08
7:00
#10370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155915028502812165(Top 46%)2987(Top 26%)2987(Top 164%)
10K6.21 mi3.10 mi14197+13944160+8684160+86812513(Top 47%)3152(Top 28%)3152(Top 173%)
15K9.32 mi3.11 mi13534+6633771+3893771+38912165(Top 46%)2987(Top 26%)2987(Top 164%)
20K12.43 mi3.11 mi13065+4693521+2503521+25011789(Top 44%)2838(Top 25%)2838(Top 156%)
Half13.11 mi0.68 mi13052+133513+83513+813096(Top 49%)3530(Top 31%)3530(Top 194%)
25K15.53 mi2.42 mi12680+3723323+1903323+19011110(Top 42%)2536(Top 22%)2536(Top 140%)
30K18.64 mi3.11 mi12540+1403278+453278+4512028(Top 45%)3196(Top 28%)3196(Top 176%)
20M20.00 mi1.36 mi12118+4223064+2143064+2147634(Top 29%)1277(Top 11%)1277(Top 70%)
21M21.00 mi1.00 mi11736+3822864+2002864+2006298(Top 24%)890(Top 8%)890(Top 49%)
35K21.75 mi0.75 mi11552+1842774+902774+907549(Top 28%)1341(Top 12%)1341(Top 74%)
23M23.00 mi1.25 mi11182+3702595+1792595+1796418(Top 24%)968(Top 8%)968(Top 53%)
24M24.00 mi1.00 mi10936+2462492+1032492+1036669(Top 25%)1151(Top 10%)1151(Top 63%)
40K24.85 mi0.85 mi10740+1962418+742418+746685(Top 25%)1251(Top 11%)1251(Top 69%)
25.2M25.20 mi0.35 mi10636+1042385+332385+335656(Top 21%)969(Top 8%)969(Top 53%)
Finish26.22 mi1.02 mi10370+2662281+1042281+1045254(Top 20%)814(Top 7%)814(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12165

Females

2987

F45-49

2987

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12513

Females

3152

F45-49

3152

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12165

Females

2987

F45-49

2987

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11789

Females

2838

F45-49

2838

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13096

Females

3530

F45-49

3530

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11110

Females

2536

F45-49

2536

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12028

Females

3196

F45-49

3196

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7634

Females

1277

F45-49

1277

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6298

Females

890

F45-49

890

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7549

Females

1341

F45-49

1341

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6418

Females

968

F45-49

968

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6669

Females

1151

F45-49

1151

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6685

Females

1251

F45-49

1251

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5656

Females

969

F45-49

969

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5254

Females

814

F45-49

814

Passing Analysis

Category:
Athletes Passed
5471
Passed By
250
Net Change
+5221
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15591
5K → 10K142935+1394#15591#14197
10K → 15K68219+663#14197#13534
15K → 20K49122+469#13534#13065
20K → Half4027+13#13065#13052
Half → 25K3786+372#13052#12680
25K → 30K261121+140#12680#12540
30K → 20M4220+422#12540#12118
20M → 21M3831+382#12118#11736
21M → 35K1873+184#11736#11552
35K → 23M3744+370#11552#11182
23M → 24M2504+246#11182#10936
24M → 40K2015+196#10936#10740
40K → 25.2M1051+104#10740#10636
25.2M → Finish2682+266#10636#10370
TOTALS5471250+5221
📊

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