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BOSTON MARATHON 2023

Kelli Krusemark

Bib: 17923•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Division (F18-39)
#0 / 4884
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
8:32/mi
26:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
52:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:17:22
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:42:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:48:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:08:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:34:19
↑ 181↓ 1480.2%
20M
8:22/mi
2:45:41
↑ 64↓ 500.2%
21M
8:47/mi
2:54:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
3:00:32
↑ 17↓ 861.7%
23M
8:18/mi
3:10:55
↑ 23↓ 630.6%
24M
8:03/mi
3:18:58
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:25:55
↓ 200.3%
25.2M
8:39/mi
3:28:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:36:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:48:25
Pace8:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2426:328:3226:32
8:32
-
10K
6.21 mi11:47:5652:048:2325:32
8:13
-0:19
15K
9.32 mi12:13:141:17:228:1825:18
8:09
-0:04
20K
12.43 mi12:38:441:42:528:1725:30
8:12
+0:03
Half
13.11 mi12:44:171:48:258:165:33
8:08
-0:04
25K
15.53 mi13:04:012:08:098:1519:44
8:08
0:00
30K
18.64 mi13:30:112:34:198:1726:10
8:25
+0:17
20M
20.00 mi13:41:332:45:418:1711:22
8:22
-0:03
21M
21.00 mi13:50:202:54:288:188:47
8:47
+0:25
35K
21.75 mi13:56:243:00:328:186:04
8:07
-0:40
23M
23.00 mi14:06:473:10:558:1810:23
8:18
+0:11
24M
24.00 mi14:14:503:18:588:178:03
8:03
-0:15
40K
24.85 mi14:21:473:25:558:176:57
8:08
+0:05
25.2M
25.20 mi14:24:463:28:548:172:59
8:39
+0:31
Finish
26.22 mi14:32:493:36:578:178:03
7:54
-0:45

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

7:54 /mi

Average Pace

8:17 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:10

96% of race

Time at Steady Pace

8:47

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi11:22:2426:328:3226:32
8:32
#17839
10K
6.21 mi11:47:5652:048:2325:32
8:13
#17054
15K
9.32 mi12:13:141:17:228:1825:18
8:09
#16519
20K
12.43 mi12:38:441:42:528:1725:30
8:12
#16103
Half
13.11 mi12:44:171:48:258:165:33
8:08
#16055
25K
15.53 mi13:04:012:08:098:1519:44
8:08
#15687
30K
18.64 mi13:30:112:34:198:1726:10
8:25
#15320
20M
20.00 mi13:41:332:45:418:1711:22
8:22
#15123
21M
21.00 mi13:50:202:54:288:188:47
8:47
#14942
35K
21.75 mi13:56:243:00:328:186:04
8:07
#14852
23M
23.00 mi14:06:473:10:558:1810:23
8:18
#14672
24M
24.00 mi14:14:503:18:588:178:03
8:03
#14514
40K
24.85 mi14:21:473:25:558:176:57
8:08
#14367
25.2M
25.20 mi14:24:463:28:548:172:59
8:39
#14306
Finish
26.22 mi14:32:493:36:578:178:03
7:54
#14173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi178396444644415459(Top 58%)4953(Top 43%)4953(Top 101%)
10K6.21 mi3.10 mi17054+7855948+4965948+49616394(Top 62%)5506(Top 48%)5506(Top 113%)
15K9.32 mi3.11 mi16519+5355609+3395609+33915459(Top 58%)4953(Top 43%)4953(Top 101%)
20K12.43 mi3.11 mi16103+4165368+2415368+24115017(Top 56%)4726(Top 41%)4726(Top 97%)
Half13.11 mi0.68 mi16055+485342+265342+2615350(Top 58%)4884(Top 43%)4884(Top 100%)
25K15.53 mi2.42 mi15687+3685142+2005142+20013816(Top 52%)4109(Top 36%)4109(Top 84%)
30K18.64 mi3.11 mi15320+3674957+1854957+18513836(Top 52%)4235(Top 37%)4235(Top 87%)
20M20.00 mi1.36 mi15123+1974852+1054852+10512821(Top 48%)3762(Top 33%)3762(Top 77%)
21M21.00 mi1.00 mi14942+1814757+954757+9512194(Top 46%)3515(Top 31%)3515(Top 72%)
35K21.75 mi0.75 mi14852+904717+404717+4012904(Top 48%)3957(Top 35%)3957(Top 81%)
23M23.00 mi1.25 mi14672+1804631+864631+8611875(Top 45%)3453(Top 30%)3453(Top 71%)
24M24.00 mi1.00 mi14514+1584561+704561+7011628(Top 44%)3406(Top 30%)3406(Top 70%)
40K24.85 mi0.85 mi14367+1474496+654496+6510944(Top 41%)3130(Top 27%)3130(Top 64%)
25.2M25.20 mi0.35 mi14306+614466+304466+3010579(Top 40%)3005(Top 26%)3005(Top 62%)
Finish26.22 mi1.02 mi14173+1334405+614405+6111435(Top 43%)3423(Top 30%)3423(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15459

Females

4953

F18-39

4953

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16394

Females

5506

F18-39

5506

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15459

Females

4953

F18-39

4953

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15017

Females

4726

F18-39

4726

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15350

Females

4884

F18-39

4884

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13816

Females

4109

F18-39

4109

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13836

Females

4235

F18-39

4235

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12821

Females

3762

F18-39

3762

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12194

Females

3515

F18-39

3515

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12904

Females

3957

F18-39

3957

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11875

Females

3453

F18-39

3453

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11628

Females

3406

F18-39

3406

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10944

Females

3130

F18-39

3130

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10579

Females

3005

F18-39

3005

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11435

Females

3423

F18-39

3423

Passing Analysis

Category:
Athletes Passed
3959
Passed By
293
Net Change
+3666
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17839
5K → 10K88196+785#17839#17054
10K → 15K58247+535#17054#16519
15K → 20K43822+416#16519#16103
20K → Half5810+48#16103#16055
Half → 25K37911+368#16055#15687
25K → 30K39730+367#15687#15320
30K → 20M20811+197#15320#15123
20M → 21M1909+181#15123#14942
21M → 35K988+90#14942#14852
35K → 23M19616+180#14852#14672
23M → 24M16810+158#14672#14514
24M → 40K1503+147#14514#14367
40K → 25.2M698+61#14367#14306
25.2M → Finish14512+133#14306#14173
TOTALS3959293+3666
📊

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