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BOSTON MARATHON 2023

Nicole Kowalsick

Bib: 25324•F

RI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:23
Rank: #22859
Start → 5K
30:23 | 9:47/mi
10K· 6.21 mi
59:51
Rank: #22702 (+157)
5K → 10K
29:28 | 9:29/mi
15K· 9.32 mi
1:29:28
Rank: #22590 (+112)
10K → 15K
29:37 | 9:32/mi
20K· 12.43 mi
1:59:28
Rank: #22439 (+151)
15K → 20K
30:00 | 9:39/mi
Half· 13.11 mi
2:05:56
Rank: #22424 (+15)
20K → Half
6:28 | 9:29/mi
25K· 15.53 mi
2:29:40
Rank: #22307 (+117)
Half → 25K
23:44 | 9:47/mi
30K· 18.64 mi
3:00:57
Rank: #22087 (+220)
25K → 30K
31:17 | 10:04/mi
20M
3:14:54
Rank: #22011 (+76)
30K → 20M
13:57 | 10:16/mi
21M
3:25:43
Rank: #21920 (+91)
20M → 21M
10:49 | 10:49/mi
35K· 21.75 mi
3:33:08
Rank: #21899 (+21)
21M → 35K
7:25 | 9:55/mi
23M
3:45:56
Rank: #21818 (+81)
35K → 23M
12:48 | 10:13/mi
24M
3:56:21
Rank: #21818
23M → 24M
10:25 | 10:25/mi
40K· 24.85 mi
4:04:42
Rank: #21722 (+96)
24M → 40K
8:21 | 9:46/mi
25.2M
4:08:18
Rank: #21691 (+31)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:18:18
Rank: #21665 (+26)
25.2M → Finish
10:00 | 9:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:56
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:12:22
Pace10:06 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0330:239:4730:23
9:47
-
10K
6.21 mi12:16:3159:519:3829:28
9:29
-0:18
15K
9.32 mi12:46:081:29:289:3629:37
9:32
+0:03
20K
12.43 mi13:16:081:59:289:3730:00
9:39
+0:07
Half
13.11 mi13:22:362:05:569:366:28
9:29
-0:10
25K
15.53 mi13:46:202:29:409:3823:44
9:47
+0:18
30K
18.64 mi14:17:373:00:579:4231:17
10:04
+0:17
20M
20.00 mi14:31:343:14:549:4513:57
10:16
+0:12
21M
21.00 mi14:42:233:25:439:4810:49
10:49
+0:33
35K
21.75 mi14:49:483:33:089:487:25
9:55
-0:54
23M
23.00 mi15:02:363:45:569:4912:48
10:13
+0:18
24M
24.00 mi15:13:013:56:219:5110:25
10:25
+0:12
40K
24.85 mi15:21:224:04:429:518:21
9:46
-0:39
25.2M
25.20 mi15:24:584:08:189:513:36
10:26
+0:40
Finish
26.22 mi15:34:584:18:189:5210:00
9:49
-0:37

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

9:29 /mi

Average Pace

9:52 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:03:53

94% of race

Time at Steady Pace

14:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:51 /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 mi11:47:0330:239:4730:23
9:47
#22859
10K
6.21 mi12:16:3159:519:3829:28
9:29
#22702
15K
9.32 mi12:46:081:29:289:3629:37
9:32
#22590
20K
12.43 mi13:16:081:59:289:3730:00
9:39
#22439
Half
13.11 mi13:22:362:05:569:366:28
9:29
#22424
25K
15.53 mi13:46:202:29:409:3823:44
9:47
#22307
30K
18.64 mi14:17:373:00:579:4231:17
10:04
#22087
20M
20.00 mi14:31:343:14:549:4513:57
10:16
#22011
21M
21.00 mi14:42:233:25:439:4810:49
10:49
#21920
35K
21.75 mi14:49:483:33:089:487:25
9:55
#21899
23M
23.00 mi15:02:363:45:569:4912:48
10:13
#21818
24M
24.00 mi15:13:013:56:219:5110:25
10:25
#21818
40K
24.85 mi15:21:224:04:429:518:21
9:46
#21722
25.2M
25.20 mi15:24:584:08:189:513:36
10:26
#21691
Finish
26.22 mi15:34:584:18:189:5210:00
9:49
#21665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228599308930822351(Top 84%)8982(Top 79%)8982(Top 184%)
10K6.21 mi3.10 mi22702+1579201+1079201+10722473(Top 84%)9074(Top 79%)9074(Top 186%)
15K9.32 mi3.11 mi22590+1129136+659136+6522351(Top 84%)8982(Top 79%)8982(Top 184%)
20K12.43 mi3.11 mi22439+1519052+849052+8422030(Top 83%)8819(Top 77%)8819(Top 181%)
Half13.11 mi0.68 mi22424+159044+89044+822069(Top 83%)8818(Top 77%)8818(Top 181%)
25K15.53 mi2.42 mi22307+1179007+379007+3721713(Top 82%)8682(Top 76%)8682(Top 178%)
30K18.64 mi3.11 mi22087+2208884+1238884+12321218(Top 80%)8473(Top 74%)8473(Top 173%)
20M20.00 mi1.36 mi22011+768852+328852+3221196(Top 80%)8519(Top 75%)8519(Top 174%)
21M21.00 mi1.00 mi21920+918811+418811+4120428(Top 77%)8163(Top 71%)8163(Top 167%)
35K21.75 mi0.75 mi21899+218797+148797+1421065(Top 79%)8527(Top 75%)8527(Top 175%)
23M23.00 mi1.25 mi21818+818773+248773+2420652(Top 78%)8325(Top 73%)8325(Top 170%)
24M24.00 mi1.00 mi218188783-108783-1021853(Top 82%)9024(Top 79%)9024(Top 185%)
40K24.85 mi0.85 mi21722+968747+368747+3619309(Top 73%)7667(Top 67%)7667(Top 157%)
25.2M25.20 mi0.35 mi21691+318737+108737+1018968(Top 71%)7509(Top 66%)7509(Top 154%)
Finish26.22 mi1.02 mi21665+268727+108727+1021213(Top 80%)8670(Top 76%)8670(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22351

Females

8982

F18-39

8982

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22473

Females

9074

F18-39

9074

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22351

Females

8982

F18-39

8982

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22030

Females

8819

F18-39

8819

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22069

Females

8818

F18-39

8818

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21713

Females

8682

F18-39

8682

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21218

Females

8473

F18-39

8473

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21196

Females

8519

F18-39

8519

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20428

Females

8163

F18-39

8163

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21065

Females

8527

F18-39

8527

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20652

Females

8325

F18-39

8325

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21853

Females

9024

F18-39

9024

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19309

Females

7667

F18-39

7667

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18968

Females

7509

F18-39

7509

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21213

Females

8670

F18-39

8670

Passing Analysis

Category:
Athletes Passed
1754
Passed By
560
Net Change
+1194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22859
5K → 10K326169+157#22859#22702
10K → 15K20694+112#22702#22590
15K → 20K20958+151#22590#22439
20K → Half3217+15#22439#22424
Half → 25K16245+117#22424#22307
25K → 30K25232+220#22307#22087
30K → 20M10327+76#22087#22011
20M → 21M11322+91#22011#21920
21M → 35K3817+21#21920#21899
35K → 23M10322+81#21899#21818
23M → 24M31310#21818#21818
24M → 40K982+96#21818#21722
40K → 25.2M365+31#21722#21691
25.2M → Finish4519+26#21691#21665
TOTALS1754560+1194
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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