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BOSTON MARATHON 2023

Heather Knight Pech

CT

Bib: 8370 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:57/mi
21:36
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:50/mi
42:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:59/mi
1:04:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:06/mi
1:26:37
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:06/mi
1:31:28
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:12/mi
1:48:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:31/mi
2:12:17
↑ 181↓ 1480.2%
138 ft elev
20M
7:39/mi
2:22:41
↑ 64↓ 500.2%
148 ft elev
21M
7:57/mi
2:30:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:20/mi
2:36:07
↑ 17↓ 861.7%
156 ft elev
23M
7:44/mi
2:45:48
↑ 23↓ 630.6%
116 ft elev
24M
7:38/mi
2:53:26
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:58/mi
3:00:15
↓ 200.3%
20 ft elev
25.2M
8:13/mi
3:03:05
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:24/mi
3:10:37
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:31:286:59 /mi⚡ faster
2nd Half
1:39:097:34 /mi+8.4%
Positive split — 8.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:366:573.11 mi21:36
6:57
-
10K
42:516:543.10 mi21:15
6:50
-0:07
15K
1:04:336:563.11 mi21:42
6:59
+0:09
20K
1:26:376:583.11 mi22:04
7:06
+0:07
Half(13.11 mi)
1:31:286:590.68 mi4:51
7:06
0:00
25K
1:48:557:012.42 mi17:27
7:12
+0:06
30K
2:12:177:063.11 mi23:22
7:31
+0:19
20M
2:22:417:081.36 mi10:24
7:39
+0:08
21M
2:30:387:101.00 mi7:57
7:57
+0:18
35K
2:36:077:110.75 mi5:29
7:20
-0:37
23M
2:45:487:131.25 mi9:41
7:44
+0:24
24M
2:53:267:141.00 mi7:38
7:38
-0:06
40K
3:00:157:150.85 mi6:49
7:58
+0:20
25.2M
3:03:057:160.35 mi2:50
8:13
+0:15
Finish(26.22 mi)
3:10:377:171.02 mi7:32
7:24
-0:49
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:50 /mi

Average Pace

7:17 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

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

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi59604984986472632632
10K3.10 mi5797+163470+28470+285678471471
15K3.11 mi6042-245522-52522-526472632632
20K3.11 mi6162-120554-32554-326583678678
Half(13.11 mi)0.68 mi6231-69569-15569-157136822822
25K2.42 mi6294-63586-17586-176672755755
30K3.11 mi6385-91622-36622-36736610521052
20M1.36 mi6434-49647-25647-25784713351335
21M1.00 mi6412+22655-8655-8704911441144
35K0.75 mi6419-7663-8663-8734912241224
23M1.25 mi6466-47688-25688-25796515621562
24M1.00 mi6502-36712-24712-24864219291929
40K0.85 mi6535-33737-25737-25987525732573
25.2M0.35 mi6542-7746-9746-9780917211721
Finish(26.22 mi)1.02 mi6552-10766-20766-20775217121712

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6472

Females

632

F60-64

632

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5678

Females

471

F60-64

471

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6472

Females

632

F60-64

632

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6583

Females

678

F60-64

678

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7136

Females

822

F60-64

822

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6672

Females

755

F60-64

755

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7366

Females

1052

F60-64

1052

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7847

Females

1335

F60-64

1335

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7049

Females

1144

F60-64

1144

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7349

Females

1224

F60-64

1224

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7965

Females

1562

F60-64

1562

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+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%
×2story building
+22ft-21ft

Overall

7752

Females

1712

F60-64

1712

Passing Analysis

Category:
Passed
907
Passed By
1499
Net Change
-592
SegmentPassedPassed 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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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