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BOSTON MARATHON 2023

Nezka Kavcic

Bib: 14364•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
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
7:48/mi
24:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:12:45
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:42:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:01:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:26:53
↑ 181↓ 1480.2%
20M
7:54/mi
2:37:37
↑ 64↓ 500.2%
21M
8:20/mi
2:45:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:51:45
↑ 17↓ 861.7%
23M
7:54/mi
3:01:39
↑ 23↓ 630.6%
24M
7:38/mi
3:09:17
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:15:57
↓ 200.3%
25.2M
8:10/mi
3:18:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:26:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:36
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4324:157:4824:15
7:48
-
10K
6.21 mi11:17:5648:287:4824:13
7:48
0:00
15K
9.32 mi11:42:131:12:457:4824:17
7:49
+0:01
20K
12.43 mi12:06:401:37:127:4924:27
7:52
+0:03
Half
13.11 mi12:12:041:42:367:505:24
7:55
+0:03
25K
15.53 mi12:31:222:01:547:5119:18
7:58
+0:03
30K
18.64 mi12:56:212:26:537:5324:59
8:02
+0:04
20M
20.00 mi13:07:052:37:377:5310:44
7:54
-0:08
21M
21.00 mi13:15:252:45:577:548:20
8:20
+0:26
35K
21.75 mi13:21:132:51:457:545:48
7:45
-0:35
23M
23.00 mi13:31:073:01:397:549:54
7:54
+0:09
24M
24.00 mi13:38:453:09:177:537:38
7:38
-0:16
40K
24.85 mi13:45:253:15:577:536:40
7:48
+0:10
25.2M
25.20 mi13:48:143:18:467:532:49
8:10
+0:22
Finish
26.22 mi13:55:503:26:227:537:36
7:27
-0:43

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

7:27 /mi

Average Pace

7:53 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:02

96% of race

Time at Steady Pace

8:20

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:53:4324:157:4824:15
7:48
#12396
10K
6.21 mi11:17:5648:287:4824:13
7:48
#12703
15K
9.32 mi11:42:131:12:457:4824:17
7:49
#12735
20K
12.43 mi12:06:401:37:127:4924:27
7:52
#12591
Half
13.11 mi12:12:041:42:367:505:24
7:55
#12633
25K
15.53 mi12:31:222:01:547:5119:18
7:58
#12574
30K
18.64 mi12:56:212:26:537:5324:59
8:02
#12303
20M
20.00 mi13:07:052:37:377:5310:44
7:54
#12050
21M
21.00 mi13:15:252:45:577:548:20
8:20
#11883
35K
21.75 mi13:21:132:51:457:545:48
7:45
#11828
23M
23.00 mi13:31:073:01:397:549:54
7:54
#11632
24M
24.00 mi13:38:453:09:177:537:38
7:38
#11480
40K
24.85 mi13:45:253:15:577:536:40
7:48
#11338
25.2M
25.20 mi13:48:143:18:467:532:49
8:10
#11247
Finish
26.22 mi13:55:503:26:227:537:36
7:27
#11086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123963095309512876(Top 48%)3394(Top 30%)3394(Top 69%)
10K6.21 mi3.10 mi12703-3073263-1683263-16813073(Top 49%)3472(Top 30%)3472(Top 71%)
15K9.32 mi3.11 mi12735-323300-373300-3712876(Top 48%)3394(Top 30%)3394(Top 69%)
20K12.43 mi3.11 mi12591+1443254+463254+4612337(Top 46%)3153(Top 28%)3153(Top 65%)
Half13.11 mi0.68 mi12633-423280-263280-2613690(Top 51%)3877(Top 34%)3877(Top 79%)
25K15.53 mi2.42 mi12574+593269+113269+1112403(Top 47%)3303(Top 29%)3303(Top 68%)
30K18.64 mi3.11 mi12303+2713154+1153154+11511238(Top 42%)2756(Top 24%)2756(Top 56%)
20M20.00 mi1.36 mi12050+2533034+1203034+1209583(Top 36%)2059(Top 18%)2059(Top 42%)
21M21.00 mi1.00 mi11883+1672944+902944+909460(Top 36%)2134(Top 19%)2134(Top 44%)
35K21.75 mi0.75 mi11828+552928+162928+1610341(Top 39%)2530(Top 22%)2530(Top 52%)
23M23.00 mi1.25 mi11632+1962839+892839+899149(Top 34%)2112(Top 18%)2112(Top 43%)
24M24.00 mi1.00 mi11480+1522779+602779+608674(Top 33%)1961(Top 17%)1961(Top 40%)
40K24.85 mi0.85 mi11338+1422722+572722+578702(Top 33%)2038(Top 18%)2038(Top 42%)
25.2M25.20 mi0.35 mi11247+912695+272695+277608(Top 29%)1678(Top 15%)1678(Top 34%)
Finish26.22 mi1.02 mi11086+1612631+642631+648276(Top 31%)1951(Top 17%)1951(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12876

Females

3394

F18-39

3394

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13073

Females

3472

F18-39

3472

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12876

Females

3394

F18-39

3394

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12337

Females

3153

F18-39

3153

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13690

Females

3877

F18-39

3877

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12403

Females

3303

F18-39

3303

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11238

Females

2756

F18-39

2756

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9583

Females

2059

F18-39

2059

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9460

Females

2134

F18-39

2134

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10341

Females

2530

F18-39

2530

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9149

Females

2112

F18-39

2112

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8674

Females

1961

F18-39

1961

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8702

Females

2038

F18-39

2038

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7608

Females

1678

F18-39

1678

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8276

Females

1951

F18-39

1951

Passing Analysis

Category:
Athletes Passed
2475
Passed By
1165
Net Change
+1310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12396
5K → 10K187494-307#12396#12703
10K → 15K191223-32#12703#12735
15K → 20K256112+144#12735#12591
20K → Half1961-42#12591#12633
Half → 25K159100+59#12633#12574
25K → 30K34675+271#12574#12303
30K → 20M2618+253#12303#12050
20M → 21M18720+167#12050#11883
21M → 35K7722+55#11883#11828
35K → 23M21317+196#11828#11632
23M → 24M1608+152#11632#11480
24M → 40K15210+142#11480#11338
40K → 25.2M921+91#11338#11247
25.2M → Finish17514+161#11247#11086
TOTALS24751165+1310
📊

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