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BOSTON MARATHON 2023

Heidi Kuhn

Bib: 24880•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:49
Rank: #21455
Start → 5K
28:49 | 9:17/mi
10K· 6.21 mi
57:54
Rank: #21790 (-335)
5K → 10K
29:05 | 9:22/mi
15K· 9.32 mi
1:27:12
Rank: #21853 (-63)
10K → 15K
29:18 | 9:26/mi
20K· 12.43 mi
1:56:54
Rank: #21828 (+25)
15K → 20K
29:42 | 9:34/mi
Half· 13.11 mi
2:03:16
Rank: #21811 (+17)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:27:33
Rank: #21888 (-77)
Half → 25K
24:17 | 10:01/mi
30K· 18.64 mi
2:59:45
Rank: #21907 (-19)
25K → 30K
32:12 | 10:22/mi
20M
3:14:41
Rank: #21973 (-66)
30K → 20M
14:56 | 10:59/mi
21M
3:26:11
Rank: #21974 (-1)
20M → 21M
11:30 | 11:30/mi
35K· 21.75 mi
3:34:30
Rank: #22056 (-82)
21M → 35K
8:19 | 11:07/mi
23M
3:48:37
Rank: #22100 (-44)
35K → 23M
14:07 | 11:16/mi
24M
3:59:42
Rank: #22150 (-50)
23M → 24M
11:05 | 11:05/mi
40K· 24.85 mi
4:09:21
Rank: #22191 (-41)
24M → 40K
9:39 | 11:17/mi
25.2M
4:13:27
Rank: #22192 (-1)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:23:53
Rank: #22201 (-9)
25.2M → Finish
10:26 | 10:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:16
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:20:37
Pace10:44 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0728:499:1728:49
9:17
-
10K
6.21 mi12:13:1257:549:1929:05
9:22
+0:05
15K
9.32 mi12:42:301:27:129:2129:18
9:26
+0:04
20K
12.43 mi13:12:121:56:549:2429:42
9:34
+0:08
Half
13.11 mi13:18:342:03:169:246:22
9:20
-0:14
25K
15.53 mi13:42:512:27:339:3024:17
10:01
+0:41
30K
18.64 mi14:15:032:59:459:3932:12
10:22
+0:21
20M
20.00 mi14:29:593:14:419:4414:56
10:59
+0:37
21M
21.00 mi14:41:293:26:119:4911:30
11:30
+0:31
35K
21.75 mi14:49:483:34:309:528:19
11:07
-0:23
23M
23.00 mi15:03:553:48:379:5614:07
11:16
+0:09
24M
24.00 mi15:15:003:59:429:5911:05
11:05
-0:11
40K
24.85 mi15:24:394:09:2110:029:39
11:17
+0:12
25.2M
25.20 mi15:28:454:13:2710:034:06
11:53
+0:36
Finish
26.22 mi15:39:114:23:5310:0410:26
10:14
-1:39

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

9:17 /mi

Average Pace

10:04 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:16

47% of race

Time at Steady Pace

1:06:55

25% of race

Time at Slower Pace

1:13:42

28% of race

Average Pace: 10:04 /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 mi11:44:0728:499:1728:49
9:17
#21455
10K
6.21 mi12:13:1257:549:1929:05
9:22
#21790
15K
9.32 mi12:42:301:27:129:2129:18
9:26
#21853
20K
12.43 mi13:12:121:56:549:2429:42
9:34
#21828
Half
13.11 mi13:18:342:03:169:246:22
9:20
#21811
25K
15.53 mi13:42:512:27:339:3024:17
10:01
#21888
30K
18.64 mi14:15:032:59:459:3932:12
10:22
#21907
20M
20.00 mi14:29:593:14:419:4414:56
10:59
#21973
21M
21.00 mi14:41:293:26:119:4911:30
11:30
#21974
35K
21.75 mi14:49:483:34:309:528:19
11:07
#22056
23M
23.00 mi15:03:553:48:379:5614:07
11:16
#22100
24M
24.00 mi15:15:003:59:429:5911:05
11:05
#22150
40K
24.85 mi15:24:394:09:2110:029:39
11:17
#22191
25.2M
25.20 mi15:28:454:13:2710:034:06
11:53
#22192
Finish
26.22 mi15:39:114:23:5310:0410:26
10:14
#22201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi214558614861422051(Top 83%)8815(Top 77%)8815(Top 469%)
10K6.21 mi3.10 mi21790-3358737-1238737-12322113(Top 83%)8883(Top 78%)8883(Top 473%)
15K9.32 mi3.11 mi21853-638756-198756-1922051(Top 83%)8815(Top 77%)8815(Top 469%)
20K12.43 mi3.11 mi21828+258727+298727+2921735(Top 82%)8646(Top 76%)8646(Top 460%)
Half13.11 mi0.68 mi21811+178719+88719+821658(Top 81%)8610(Top 75%)8610(Top 458%)
25K15.53 mi2.42 mi21888-778763-448763-4422248(Top 84%)8971(Top 79%)8971(Top 478%)
30K18.64 mi3.11 mi21907-198786-238786-2321924(Top 82%)8864(Top 78%)8864(Top 472%)
20M20.00 mi1.36 mi21973-668831-458831-4522693(Top 85%)9355(Top 82%)9355(Top 498%)
21M21.00 mi1.00 mi21974-18839-88839-821890(Top 82%)8939(Top 78%)8939(Top 476%)
35K21.75 mi0.75 mi22056-828891-528891-5223513(Top 88%)9878(Top 86%)9878(Top 526%)
23M23.00 mi1.25 mi22100-448930-398930-3922852(Top 86%)9510(Top 83%)9510(Top 506%)
24M24.00 mi1.00 mi22150-508967-378967-3723202(Top 87%)9741(Top 85%)9741(Top 519%)
40K24.85 mi0.85 mi22191-418993-268993-2622884(Top 86%)9600(Top 84%)9600(Top 511%)
25.2M25.20 mi0.35 mi22192-18996-38996-322314(Top 84%)9292(Top 81%)9292(Top 495%)
Finish26.22 mi1.02 mi22201-99008-129008-1222397(Top 84%)9327(Top 82%)9327(Top 497%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22051

Females

8815

F40-44

8815

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22113

Females

8883

F40-44

8883

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22051

Females

8815

F40-44

8815

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21735

Females

8646

F40-44

8646

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21658

Females

8610

F40-44

8610

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22248

Females

8971

F40-44

8971

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21924

Females

8864

F40-44

8864

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22693

Females

9355

F40-44

9355

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21890

Females

8939

F40-44

8939

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23513

Females

9878

F40-44

9878

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22852

Females

9510

F40-44

9510

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23202

Females

9741

F40-44

9741

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22884

Females

9600

F40-44

9600

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22314

Females

9292

F40-44

9292

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22397

Females

9327

F40-44

9327

Passing Analysis

Category:
Athletes Passed
923
Passed By
1669
Net Change
-746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21455
5K → 10K144479-335#21455#21790
10K → 15K134197-63#21790#21853
15K → 20K144119+25#21853#21828
20K → Half3417+17#21828#21811
Half → 25K74151-77#21811#21888
25K → 30K140159-19#21888#21907
30K → 20M45111-66#21907#21973
20M → 21M6869-1#21973#21974
21M → 35K1193-82#21974#22056
35K → 23M3680-44#22056#22100
23M → 24M2777-50#22100#22150
24M → 40K2263-41#22150#22191
40K → 25.2M1213-1#22191#22192
25.2M → Finish3241-9#22192#22201
TOTALS9231669-746
📊

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