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BOSTON MARATHON 2023

Heather Knight Pech

Bib: 8370•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F60-64)
#0 / 527
Top 0.2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #5960
Start → 5K
21:36 | 6:57/mi
10K· 6.21 mi
42:51
Rank: #5797 (+163)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:04:33
Rank: #6042 (-245)
10K → 15K
21:42 | 6:59/mi
20K· 12.43 mi
1:26:37
Rank: #6162 (-120)
15K → 20K
22:04 | 7:06/mi
Half· 13.11 mi
1:31:28
Rank: #6231 (-69)
20K → Half
4:51 | 7:06/mi
25K· 15.53 mi
1:48:55
Rank: #6294 (-63)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:12:17
Rank: #6385 (-91)
25K → 30K
23:22 | 7:31/mi
20M
2:22:41
Rank: #6434 (-49)
30K → 20M
10:24 | 7:39/mi
21M
2:30:38
Rank: #6412 (+22)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:36:07
Rank: #6419 (-7)
21M → 35K
5:29 | 7:20/mi
23M
2:45:48
Rank: #6466 (-47)
35K → 23M
9:41 | 7:44/mi
24M
2:53:26
Rank: #6502 (-36)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:00:15
Rank: #6535 (-33)
24M → 40K
6:49 | 7:58/mi
25.2M
3:03:05
Rank: #6542 (-7)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:10:37
Rank: #6552 (-10)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:28
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5821:366:5721:36
6:57
-
10K
6.21 mi11:08:1342:516:5421:15
6:50
-0:07
15K
9.32 mi11:29:551:04:336:5621:42
6:59
+0:09
20K
12.43 mi11:51:591:26:376:5822:04
7:06
+0:07
Half
13.11 mi11:56:501:31:286:594:51
7:06
0:00
25K
15.53 mi12:14:171:48:557:0117:27
7:12
+0:06
30K
18.64 mi12:37:392:12:177:0623:22
7:31
+0:19
20M
20.00 mi12:48:032:22:417:0810:24
7:39
+0:08
21M
21.00 mi12:56:002:30:387:107:57
7:57
+0:18
35K
21.75 mi13:01:292:36:077:115:29
7:20
-0:37
23M
23.00 mi13:11:102:45:487:139:41
7:44
+0:24
24M
24.00 mi13:18:482:53:267:147:38
7:38
-0:06
40K
24.85 mi13:25:373:00:157:156:49
7:58
+0:20
25.2M
25.20 mi13:28:273:03:057:162:50
8:13
+0:15
Finish
26.22 mi13:35:593:10:377:177:32
7:24
-0:49

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

6:50 /mi

Average Pace

7:17 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:28

48% of race

Time at Steady Pace

53:50

28% of race

Time at Slower Pace

45:19

24% of race

Average Pace: 7:16 /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 mi10:46:5821:366:5721:36
6:57
#5960
10K
6.21 mi11:08:1342:516:5421:15
6:50
#5797
15K
9.32 mi11:29:551:04:336:5621:42
6:59
#6042
20K
12.43 mi11:51:591:26:376:5822:04
7:06
#6162
Half
13.11 mi11:56:501:31:286:594:51
7:06
#6231
25K
15.53 mi12:14:171:48:557:0117:27
7:12
#6294
30K
18.64 mi12:37:392:12:177:0623:22
7:31
#6385
20M
20.00 mi12:48:032:22:417:0810:24
7:39
#6434
21M
21.00 mi12:56:002:30:387:107:57
7:57
#6412
35K
21.75 mi13:01:292:36:077:115:29
7:20
#6419
23M
23.00 mi13:11:102:45:487:139:41
7:44
#6466
24M
24.00 mi13:18:482:53:267:147:38
7:38
#6502
40K
24.85 mi13:25:373:00:157:156:49
7:58
#6535
25.2M
25.20 mi13:28:273:03:057:162:50
8:13
#6542
Finish
26.22 mi13:35:593:10:377:177:32
7:24
#6552
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi59604984986472(Top 24%)632(Top 6%)632(Top 120%)
10K6.21 mi3.10 mi5797+163470+28470+285678(Top 21%)471(Top 4%)471(Top 89%)
15K9.32 mi3.11 mi6042-245522-52522-526472(Top 24%)632(Top 6%)632(Top 120%)
20K12.43 mi3.11 mi6162-120554-32554-326583(Top 25%)678(Top 6%)678(Top 129%)
Half13.11 mi0.68 mi6231-69569-15569-157136(Top 27%)822(Top 7%)822(Top 156%)
25K15.53 mi2.42 mi6294-63586-17586-176672(Top 25%)755(Top 7%)755(Top 143%)
30K18.64 mi3.11 mi6385-91622-36622-367366(Top 28%)1052(Top 9%)1052(Top 200%)
20M20.00 mi1.36 mi6434-49647-25647-257847(Top 29%)1335(Top 12%)1335(Top 253%)
21M21.00 mi1.00 mi6412+22655-8655-87049(Top 26%)1144(Top 10%)1144(Top 217%)
35K21.75 mi0.75 mi6419-7663-8663-87349(Top 28%)1224(Top 11%)1224(Top 232%)
23M23.00 mi1.25 mi6466-47688-25688-257965(Top 30%)1562(Top 14%)1562(Top 296%)
24M24.00 mi1.00 mi6502-36712-24712-248642(Top 32%)1929(Top 17%)1929(Top 366%)
40K24.85 mi0.85 mi6535-33737-25737-259875(Top 37%)2573(Top 23%)2573(Top 488%)
25.2M25.20 mi0.35 mi6542-7746-9746-97809(Top 29%)1721(Top 15%)1721(Top 327%)
Finish26.22 mi1.02 mi6552-10766-20766-207752(Top 29%)1712(Top 15%)1712(Top 325%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6472

Females

632

F60-64

632

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5678

Females

471

F60-64

471

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6472

Females

632

F60-64

632

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6583

Females

678

F60-64

678

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7136

Females

822

F60-64

822

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6672

Females

755

F60-64

755

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7366

Females

1052

F60-64

1052

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7847

Females

1335

F60-64

1335

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7049

Females

1144

F60-64

1144

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7349

Females

1224

F60-64

1224

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7965

Females

1562

F60-64

1562

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8642

Females

1929

F60-64

1929

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9875

Females

2573

F60-64

2573

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7809

Females

1721

F60-64

1721

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7752

Females

1712

F60-64

1712

Passing Analysis

Category:
Athletes Passed
907
Passed By
1499
Net Change
-592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5960
5K → 10K291128+163#5960#5797
10K → 15K43288-245#5797#6042
15K → 20K63183-120#6042#6162
20K → Half170-69#6162#6231
Half → 25K63126-63#6231#6294
25K → 30K91182-91#6294#6385
30K → 20M4089-49#6385#6434
20M → 21M6947+22#6434#6412
21M → 35K3643-7#6412#6419
35K → 23M54101-47#6419#6466
23M → 24M4379-36#6466#6502
24M → 40K4174-33#6502#6535
40K → 25.2M1926-7#6535#6542
25.2M → Finish5363-10#6542#6552
TOTALS9071499-592
📊

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