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BOSTON MARATHON 2023

Katie Stepansky

Bib: 26966•F

MA

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
32:07
Rank: #24322
Start → 5K
32:07 | 10:20/mi
10K· 6.21 mi
1:05:00
Rank: #24642 (-320)
5K → 10K
32:53 | 10:35/mi
15K· 9.32 mi
1:38:15
Rank: #24704 (-62)
10K → 15K
33:15 | 10:42/mi
20K· 12.43 mi
2:12:14
Rank: #24665 (+39)
15K → 20K
33:59 | 10:56/mi
Half· 13.11 mi
2:19:33
Rank: #24662 (+3)
20K → Half
7:19 | 10:43/mi
25K· 15.53 mi
2:46:46
Rank: #24616 (+46)
Half → 25K
27:13 | 11:14/mi
30K· 18.64 mi
3:26:00
Rank: #24754 (-138)
25K → 30K
39:14 | 12:38/mi
20M
3:41:59
Rank: #24686 (+68)
30K → 20M
15:59 | 11:46/mi
21M
3:54:12
Rank: #24622 (+64)
20M → 21M
12:13 | 12:13/mi
35K· 21.75 mi
4:03:31
Rank: #24657 (-35)
21M → 35K
9:19 | 12:27/mi
23M
4:18:56
Rank: #24643 (+14)
35K → 23M
15:25 | 12:19/mi
24M
4:30:58
Rank: #24657 (-14)
23M → 24M
12:02 | 12:02/mi
40K· 24.85 mi
4:41:07
Rank: #24620 (+37)
24M → 40K
10:09 | 11:52/mi
25.2M
4:45:22
Rank: #24605 (+15)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:56:23
Rank: #24596 (+9)
25.2M → Finish
11:01 | 10:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:33
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:36:50
Pace11:58 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4332:0710:2032:07
10:20
-
10K
6.21 mi12:25:361:05:0010:2832:53
10:35
+0:15
15K
9.32 mi12:58:511:38:1510:3233:15
10:42
+0:07
20K
12.43 mi13:32:502:12:1410:3833:59
10:56
+0:14
Half
13.11 mi13:40:092:19:3310:397:19
10:43
-0:13
25K
15.53 mi14:07:222:46:4610:4427:13
11:14
+0:31
30K
18.64 mi14:46:363:26:0011:0339:14
12:38
+1:24
20M
20.00 mi15:02:353:41:5911:0615:59
11:46
-0:52
21M
21.00 mi15:14:483:54:1211:0912:13
12:13
+0:27
35K
21.75 mi15:24:074:03:3111:129:19
12:27
+0:14
23M
23.00 mi15:39:324:18:5611:1515:25
12:19
-0:08
24M
24.00 mi15:51:344:30:5811:1712:02
12:02
-0:17
40K
24.85 mi16:01:434:41:0711:1910:09
11:52
-0:10
25.2M
25.20 mi16:05:584:45:2211:194:15
12:19
+0:27
Finish
26.22 mi16:16:594:56:2311:1911:01
10:49
-1:30

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

10:20 /mi

Average Pace

11:19 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:47

60% of race

Time at Steady Pace

38:10

13% of race

Time at Slower Pace

1:20:26

27% of race

Average Pace: 11:18 /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 mi11:52:4332:0710:2032:07
10:20
#24322
10K
6.21 mi12:25:361:05:0010:2832:53
10:35
#24642
15K
9.32 mi12:58:511:38:1510:3233:15
10:42
#24704
20K
12.43 mi13:32:502:12:1410:3833:59
10:56
#24665
Half
13.11 mi13:40:092:19:3310:397:19
10:43
#24662
25K
15.53 mi14:07:222:46:4610:4427:13
11:14
#24616
30K
18.64 mi14:46:363:26:0011:0339:14
12:38
#24754
20M
20.00 mi15:02:353:41:5911:0615:59
11:46
#24686
21M
21.00 mi15:14:483:54:1211:0912:13
12:13
#24622
35K
21.75 mi15:24:074:03:3111:129:19
12:27
#24657
23M
23.00 mi15:39:324:18:5611:1515:25
12:19
#24643
24M
24.00 mi15:51:344:30:5811:1712:02
12:02
#24657
40K
24.85 mi16:01:434:41:0711:1910:09
11:52
#24620
25.2M
25.20 mi16:05:584:45:2211:194:15
12:19
#24605
Finish
26.22 mi16:16:594:56:2311:1911:01
10:49
#24596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24322100551005524807(Top 93%)10355(Top 91%)10355(Top 212%)
10K6.21 mi3.10 mi24642-32010232-17710232-17724827(Top 93%)10341(Top 91%)10341(Top 212%)
15K9.32 mi3.11 mi24704-6210284-5210284-5224807(Top 93%)10355(Top 91%)10355(Top 212%)
20K12.43 mi3.11 mi24665+3910268+1610268+1624541(Top 92%)10225(Top 90%)10225(Top 209%)
Half13.11 mi0.68 mi24662+310274-610274-624565(Top 92%)10249(Top 90%)10249(Top 210%)
25K15.53 mi2.42 mi24616+4610256+1810256+1824311(Top 91%)10121(Top 89%)10121(Top 207%)
30K18.64 mi3.11 mi24754-13810347-9110347-9125121(Top 94%)10635(Top 93%)10635(Top 218%)
20M20.00 mi1.36 mi24686+6810318+2910318+2923903(Top 90%)10025(Top 88%)10025(Top 205%)
21M21.00 mi1.00 mi24622+6410282+3610282+3623081(Top 87%)9594(Top 84%)9594(Top 196%)
35K21.75 mi0.75 mi24657-3510316-3410316-3425130(Top 94%)10720(Top 94%)10720(Top 219%)
23M23.00 mi1.25 mi24643+1410313+310313+324381(Top 92%)10330(Top 90%)10330(Top 212%)
24M24.00 mi1.00 mi24657-1410334-2110334-2124583(Top 92%)10479(Top 92%)10479(Top 215%)
40K24.85 mi0.85 mi24620+3710321+1310321+1323726(Top 89%)10054(Top 88%)10054(Top 206%)
25.2M25.20 mi0.35 mi24605+1510318+310318+323051(Top 87%)9697(Top 85%)9697(Top 199%)
Finish26.22 mi1.02 mi24596+910314+410314+423640(Top 89%)9978(Top 87%)9978(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24807

Females

10355

F18-39

10355

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

24827

Females

10341

F18-39

10341

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24807

Females

10355

F18-39

10355

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24541

Females

10225

F18-39

10225

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24565

Females

10249

F18-39

10249

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24311

Females

10121

F18-39

10121

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

25121

Females

10635

F18-39

10635

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23903

Females

10025

F18-39

10025

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23081

Females

9594

F18-39

9594

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25130

Females

10720

F18-39

10720

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24381

Females

10330

F18-39

10330

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24583

Females

10479

F18-39

10479

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23726

Females

10054

F18-39

10054

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23051

Females

9697

F18-39

9697

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23640

Females

9978

F18-39

9978

Passing Analysis

Category:
Athletes Passed
778
Passed By
1052
Net Change
-274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24322
5K → 10K70390-320#24322#24642
10K → 15K91153-62#24642#24704
15K → 20K11980+39#24704#24665
20K → Half2118+3#24665#24662
Half → 25K9347+46#24662#24616
25K → 30K47185-138#24616#24754
30K → 20M8719+68#24754#24686
20M → 21M695+64#24686#24622
21M → 35K1449-35#24622#24657
35K → 23M4228+14#24657#24643
23M → 24M2539-14#24643#24657
24M → 40K4912+37#24657#24620
40K → 25.2M194+15#24620#24605
25.2M → Finish3223+9#24605#24596
TOTALS7781052-274
📊

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