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BOSTON MARATHON 2023

Heather Kuch

Bib: 17653•F

NV

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
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
26:10
Rank: #17041
Start → 5K
26:10 | 8:25/mi
10K· 6.21 mi
51:26
Rank: #16351 (+690)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:16:09
Rank: #15614 (+737)
10K → 15K
24:43 | 7:57/mi
20K· 12.43 mi
1:40:53
Rank: #15012 (+602)
15K → 20K
24:44 | 7:58/mi
Half· 13.11 mi
1:46:13
Rank: #14902 (+110)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:05:46
Rank: #14625 (+277)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:33:24
Rank: #14989 (-364)
25K → 30K
27:38 | 8:54/mi
20M
2:45:37
Rank: #15104 (-115)
30K → 20M
12:13 | 8:59/mi
21M
2:56:16
Rank: #15486 (-382)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
3:02:15
Rank: #15348 (+138)
21M → 35K
5:59 | 8:00/mi
23M
3:14:22
Rank: #15627 (-279)
35K → 23M
12:07 | 9:41/mi
24M
3:22:35
Rank: #15492 (+135)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:30:03
Rank: #15469 (+23)
24M → 40K
7:28 | 8:44/mi
25.2M
3:33:29
Rank: #15495 (-26)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:41:14
Rank: #15243 (+252)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:13
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0926:108:2526:10
8:25
-
10K
6.21 mi11:42:2551:268:1725:16
8:08
-0:17
15K
9.32 mi12:07:081:16:098:1024:43
7:57
-0:11
20K
12.43 mi12:31:521:40:538:0724:44
7:58
+0:01
Half
13.11 mi12:37:121:46:138:065:20
7:49
-0:09
25K
15.53 mi12:56:452:05:468:0619:33
8:04
+0:15
30K
18.64 mi13:24:232:33:248:1427:38
8:54
+0:50
20M
20.00 mi13:36:362:45:378:1712:13
8:59
+0:05
21M
21.00 mi13:47:152:56:168:2410:39
10:39
+1:40
35K
21.75 mi13:53:143:02:158:235:59
8:00
-2:39
23M
23.00 mi14:05:213:14:228:2712:07
9:41
+1:41
24M
24.00 mi14:13:343:22:358:268:13
8:13
-1:28
40K
24.85 mi14:21:023:30:038:277:28
8:44
+0:31
25.2M
25.20 mi14:24:283:33:298:283:26
9:57
+1:13
Finish
26.22 mi14:32:133:41:148:277:45
7:36
-2:21

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

7:36 /mi

Average Pace

8:27 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:45

4% of race

Time at Steady Pace

2:19:58

63% of race

Time at Slower Pace

1:13:31

33% of race

Average Pace: 8:26 /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 mi11:17:0926:108:2526:10
8:25
#17041
10K
6.21 mi11:42:2551:268:1725:16
8:08
#16351
15K
9.32 mi12:07:081:16:098:1024:43
7:57
#15614
20K
12.43 mi12:31:521:40:538:0724:44
7:58
#15012
Half
13.11 mi12:37:121:46:138:065:20
7:49
#14902
25K
15.53 mi12:56:452:05:468:0619:33
8:04
#14625
30K
18.64 mi13:24:232:33:248:1427:38
8:54
#14989
20M
20.00 mi13:36:362:45:378:1712:13
8:59
#15104
21M
21.00 mi13:47:152:56:168:2410:39
10:39
#15486
35K
21.75 mi13:53:143:02:158:235:59
8:00
#15348
23M
23.00 mi14:05:213:14:228:2712:07
9:41
#15627
24M
24.00 mi14:13:343:22:358:268:13
8:13
#15492
40K
24.85 mi14:21:023:30:038:277:28
8:44
#15469
25.2M
25.20 mi14:24:283:33:298:283:26
9:57
#15495
Finish
26.22 mi14:32:133:41:148:277:45
7:36
#15243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi170415955595514047(Top 53%)4116(Top 36%)4116(Top 84%)
10K6.21 mi3.10 mi16351+6905494+4615494+46115769(Top 59%)5124(Top 45%)5124(Top 105%)
15K9.32 mi3.11 mi15614+7375044+4505044+45014047(Top 53%)4116(Top 36%)4116(Top 84%)
20K12.43 mi3.11 mi15012+6024693+3514693+35113124(Top 49%)3617(Top 32%)3617(Top 74%)
Half13.11 mi0.68 mi14902+1104628+654628+6512985(Top 49%)3514(Top 31%)3514(Top 72%)
25K15.53 mi2.42 mi14625+2774482+1464482+14613281(Top 50%)3802(Top 33%)3802(Top 78%)
30K18.64 mi3.11 mi14989-3644741-2594741-25916625(Top 62%)5850(Top 51%)5850(Top 120%)
20M20.00 mi1.36 mi15104-1154837-964837-9616488(Top 62%)5853(Top 51%)5853(Top 120%)
21M21.00 mi1.00 mi15486-3825107-2705107-27020010(Top 75%)7933(Top 69%)7933(Top 162%)
35K21.75 mi0.75 mi15348+1385034+735034+7312197(Top 46%)3560(Top 31%)3560(Top 73%)
23M23.00 mi1.25 mi15627-2795242-2085242-20818998(Top 71%)7404(Top 65%)7404(Top 152%)
24M24.00 mi1.00 mi15492+1355171+715171+7112769(Top 48%)4009(Top 35%)4009(Top 82%)
40K24.85 mi0.85 mi15469+235173-25173-214739(Top 55%)5152(Top 45%)5152(Top 105%)
25.2M25.20 mi0.35 mi15495-265187-145187-1417200(Top 65%)6526(Top 57%)6526(Top 134%)
Finish26.22 mi1.02 mi15243+2525048+1395048+1399358(Top 35%)2416(Top 21%)2416(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14047

Females

4116

F18-39

4116

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15769

Females

5124

F18-39

5124

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14047

Females

4116

F18-39

4116

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13124

Females

3617

F18-39

3617

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12985

Females

3514

F18-39

3514

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13281

Females

3802

F18-39

3802

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16625

Females

5850

F18-39

5850

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16488

Females

5853

F18-39

5853

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

20010

Females

7933

F18-39

7933

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12197

Females

3560

F18-39

3560

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18998

Females

7404

F18-39

7404

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12769

Females

4009

F18-39

4009

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14739

Females

5152

F18-39

5152

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17200

Females

6526

F18-39

6526

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9358

Females

2416

F18-39

2416

Passing Analysis

Category:
Athletes Passed
3369
Passed By
1571
Net Change
+1798
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17041
5K → 10K77686+690#17041#16351
10K → 15K75922+737#16351#15614
15K → 20K61917+602#15614#15012
20K → Half1144+110#15012#14902
Half → 25K29114+277#14902#14625
25K → 30K75439-364#14625#14989
30K → 20M55170-115#14989#15104
20M → 21M19401-382#15104#15486
21M → 35K1380+138#15486#15348
35K → 23M33312-279#15348#15627
23M → 24M14712+135#15627#15492
24M → 40K6542+23#15492#15469
40K → 25.2M2551-26#15469#15495
25.2M → Finish2531+252#15495#15243
TOTALS33691571+1798
📊

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