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BOSTON MARATHON 2023

Margaret Kuenzi

Bib: 10406•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:31
Rank: #7793
Start → 5K
7:15/mi
22:31 split
10K· 6.21 mi
44:45
Rank: #7784 (+9)
5K → 10K
7:09/mi
22:14 split
15K· 9.32 mi
1:07:06
Rank: #7745 (+39)
10K → 15K
7:12/mi
22:21 split
20K· 12.43 mi
1:29:34
Rank: #7599 (+146)
15K → 20K
7:14/mi
22:28 split
Half· 13.11 mi
1:34:28
Rank: #7592 (+7)
20K → Half
7:11/mi
4:54 split
25K· 15.53 mi
1:52:04
Rank: #7468 (+124)
Half → 25K
7:16/mi
17:36 split
30K· 18.64 mi
2:15:05
Rank: #7273 (+195)
25K → 30K
7:25/mi
23:01 split
20M
2:25:01
Rank: #7126 (+147)
30K → 20M
7:19/mi
9:56 split
21M
2:32:52
Rank: #7040 (+86)
20M → 21M
7:51/mi
7:51 split
35K· 21.75 mi
2:38:09
Rank: #6968 (+72)
21M → 35K
7:04/mi
5:17 split
23M
2:47:20
Rank: #6845 (+123)
35K → 23M
7:20/mi
9:11 split
24M
2:54:27
Rank: #6743 (+102)
23M → 24M
7:07/mi
7:07 split
40K· 24.85 mi
3:00:40
Rank: #6651 (+92)
24M → 40K
7:16/mi
6:13 split
25.2M
3:03:21
Rank: #6610 (+41)
40K → 25.2M
7:47/mi
2:41 split
Finish· 26.22 mi
3:10:23
Rank: #6505 (+105)
25.2M → Finish
6:54/mi
7:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:28
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:35:55
Pace7:19 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0222:317:1522:31
7:15
-
10K
6.21 mi11:11:1644:457:1222:14
7:09
-0:06
15K
9.32 mi11:33:371:07:067:1222:21
7:12
+0:03
20K
12.43 mi11:56:051:29:347:1222:28
7:14
+0:02
Half
13.11 mi12:00:591:34:287:124:54
7:11
-0:03
25K
15.53 mi12:18:351:52:047:1317:36
7:16
+0:05
30K
18.64 mi12:41:362:15:057:1523:01
7:25
+0:09
20M
20.00 mi12:51:322:25:017:159:56
7:19
-0:06
21M
21.00 mi12:59:232:32:527:177:51
7:51
+0:32
35K
21.75 mi13:04:402:38:097:165:17
7:04
-0:47
23M
23.00 mi13:13:512:47:207:179:11
7:20
+0:16
24M
24.00 mi13:20:582:54:277:167:07
7:07
-0:13
40K
24.85 mi13:27:113:00:407:166:13
7:16
+0:09
25.2M
25.20 mi13:29:523:03:217:172:41
7:47
+0:31
Finish
26.22 mi13:36:543:10:237:167:02
6:54
-0:53

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

6:54 /mi

Average Pace

7:16 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:51

94% of race

Time at Steady Pace

10:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:49:0222:317:1522:31
7:15
#7793
10K
6.21 mi11:11:1644:457:1222:14
7:09
#7784
15K
9.32 mi11:33:371:07:067:1222:21
7:12
#7745
20K
12.43 mi11:56:051:29:347:1222:28
7:14
#7599
Half
13.11 mi12:00:591:34:287:124:54
7:11
#7592
25K
15.53 mi12:18:351:52:047:1317:36
7:16
#7468
30K
18.64 mi12:41:362:15:057:1523:01
7:25
#7273
20M
20.00 mi12:51:322:25:017:159:56
7:19
#7126
21M
21.00 mi12:59:232:32:527:177:51
7:51
#7040
35K
21.75 mi13:04:402:38:097:165:17
7:04
#6968
23M
23.00 mi13:13:512:47:207:179:11
7:20
#6845
24M
24.00 mi13:20:582:54:277:167:07
7:07
#6743
40K
24.85 mi13:27:113:00:407:166:13
7:16
#6651
25.2M
25.20 mi13:29:523:03:217:172:41
7:47
#6610
Finish
26.22 mi13:36:543:10:237:167:02
6:54
#6505
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77939449447764(Top 29%)992(Top 9%)992(Top 20%)
10K6.21 mi3.10 mi7784+9942+2942+27819(Top 29%)991(Top 9%)991(Top 20%)
15K9.32 mi3.11 mi7745+39947-5947-57764(Top 29%)992(Top 9%)992(Top 20%)
20K12.43 mi3.11 mi7599+146917+30917+307310(Top 27%)869(Top 8%)869(Top 18%)
Half13.11 mi0.68 mi7592+79179177771(Top 29%)991(Top 9%)991(Top 20%)
25K15.53 mi2.42 mi7468+124884+33884+337027(Top 26%)842(Top 7%)842(Top 17%)
30K18.64 mi3.11 mi7273+195853+31853+316655(Top 25%)810(Top 7%)810(Top 17%)
20M20.00 mi1.36 mi7126+147821+32821+325713(Top 21%)629(Top 6%)629(Top 13%)
21M21.00 mi1.00 mi7040+86810+11810+116468(Top 24%)932(Top 8%)932(Top 19%)
35K21.75 mi0.75 mi6968+72799+11799+115730(Top 22%)676(Top 6%)676(Top 14%)
23M23.00 mi1.25 mi6845+123787+12787+125515(Top 21%)665(Top 6%)665(Top 14%)
24M24.00 mi1.00 mi6743+102777+10777+105316(Top 20%)660(Top 6%)660(Top 14%)
40K24.85 mi0.85 mi6651+92772+5772+55286(Top 20%)745(Top 7%)745(Top 15%)
25.2M25.20 mi0.35 mi6610+41769+3769+35347(Top 20%)839(Top 7%)839(Top 17%)
Finish26.22 mi1.02 mi6505+105748+21748+214672(Top 18%)624(Top 5%)624(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7764

Females

992

F18-39

992

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7819

Females

991

F18-39

991

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7764

Females

992

F18-39

992

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7310

Females

869

F18-39

869

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7771

Females

991

F18-39

991

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7027

Females

842

F18-39

842

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6655

Females

810

F18-39

810

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5713

Females

629

F18-39

629

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6468

Females

932

F18-39

932

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5730

Females

676

F18-39

676

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5515

Females

665

F18-39

665

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5316

Females

660

F18-39

660

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5286

Females

745

F18-39

745

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5347

Females

839

F18-39

839

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4672

Females

624

F18-39

624

Passing Analysis

Category:
Athletes Passed
1852
Passed By
564
Net Change
+1288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7793
5K → 10K228219+9#7793#7784
10K → 15K155116+39#7784#7745
15K → 20K19347+146#7745#7599
20K → Half2922+7#7599#7592
Half → 25K14824+124#7592#7468
25K → 30K22833+195#7468#7273
30K → 20M1547+147#7273#7126
20M → 21M11529+86#7126#7040
21M → 35K8210+72#7040#6968
35K → 23M13310+123#6968#6845
23M → 24M11412+102#6845#6743
24M → 40K10715+92#6743#6651
40K → 25.2M5211+41#6651#6610
25.2M → Finish1149+105#6610#6505
TOTALS1852564+1288
📊

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