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BOSTON MARATHON 2023

Denise Sechelski

TX

Bib: 23279 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
8:56/mi
27:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:48/mi
55:05
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:12/mi
1:23:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:43/mi
1:53:50
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:40/mi
2:00:26
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:49/mi
2:24:15
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:12/mi
2:55:56
↑ 181↓ 1480.2%
138 ft elev
20M
10:09/mi
3:09:44
↑ 64↓ 500.2%
148 ft elev
21M
10:48/mi
3:20:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:55/mi
3:27:57
↑ 17↓ 861.7%
156 ft elev
23M
10:10/mi
3:40:41
↑ 23↓ 630.6%
116 ft elev
24M
9:45/mi
3:50:26
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:52/mi
3:58:52
↓ 200.3%
20 ft elev
25.2M
10:38/mi
4:02:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:13/mi
4:11:56
↑ 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
2:00:269:11 /mi⚡ faster
2nd Half
2:11:3010:02 /mi+9.2%
Positive split — 9.2% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5727:458:5627:45
8:56
-
10K
6.21 mi12:11:1755:058:5227:20
8:48
-0:08
15K
9.32 mi12:39:521:23:408:5928:35
9:12
+0:24
20K
12.43 mi13:10:021:53:509:1030:10
9:43
+0:31
Half
13.11 mi13:16:382:00:269:116:36
9:40
-0:03
25K
15.53 mi13:40:272:24:159:1723:49
9:49
+0:09
30K
18.64 mi14:12:082:55:569:2631:41
10:12
+0:23
20M
20.00 mi14:25:563:09:449:2913:48
10:09
-0:03
21M
21.00 mi14:36:443:20:329:3310:48
10:48
+0:39
35K
21.75 mi14:44:093:27:579:347:25
9:55
-0:53
23M
23.00 mi14:56:533:40:419:3612:44
10:10
+0:15
24M
24.00 mi15:06:383:50:269:369:45
9:45
-0:25
40K
24.85 mi15:15:043:58:529:378:26
9:52
+0:07
25.2M
25.20 mi15:18:444:02:329:373:40
10:38
+0:46
Finish
26.22 mi15:28:084:11:569:379:24
9:13
-1:25

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

8:48 /mi

Average Pace

9:37 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:04

37% of race

Time at Steady Pace

1:26:11

34% of race

Time at Slower Pace

1:12:41

29% of race

Average Pace: 9:37 /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 mi11:43:5727:458:5627:45
8:56
#20138
10K
6.21 mi12:11:1755:058:5227:20
8:48
#20021
15K
9.32 mi12:39:521:23:408:5928:35
9:12
#20467
20K
12.43 mi13:10:021:53:509:1030:10
9:43
#21037
Half
13.11 mi13:16:382:00:269:116:36
9:40
#21144
25K
15.53 mi13:40:272:24:159:1723:49
9:49
#21241
30K
18.64 mi14:12:082:55:569:2631:41
10:12
#21287
20M
20.00 mi14:25:563:09:449:2913:48
10:09
#21238
21M
21.00 mi14:36:443:20:329:3310:48
10:48
#21193
35K
21.75 mi14:44:093:27:579:347:25
9:55
#21172
23M
23.00 mi14:56:533:40:419:3612:44
10:10
#21109
24M
24.00 mi15:06:383:50:269:369:45
9:45
#21049
40K
24.85 mi15:15:043:58:529:378:26
9:52
#20978
25.2M
25.20 mi15:18:444:02:329:373:40
10:38
#20947
Finish
26.22 mi15:28:084:11:569:379:24
9:13
#20866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi20138790379032130984058405
10K6.21 mi3.10 mi20021+1177779+1247779+1241992776567656
15K9.32 mi3.11 mi20467-4467999-2207999-2202130984058405
20K12.43 mi3.11 mi21037-5708300-3018300-3012219289048904
Half13.11 mi0.68 mi21144-1078344-448344-442258991209120
25K15.53 mi2.42 mi21241-978404-608404-602179387178717
30K18.64 mi3.11 mi21287-468442-388442-382152186428642
20M20.00 mi1.36 mi21238+498440+28440+22090383578357
21M21.00 mi1.00 mi21193+458420+208420+202039181428142
35K21.75 mi0.75 mi21172+218416+48416+42105685188518
23M23.00 mi1.25 mi21109+638394+228394+222049282258225
24M24.00 mi1.00 mi21049+608373+218373+212007980198019
40K24.85 mi0.85 mi20978+718341+328341+321960178387838
25.2M25.20 mi0.35 mi20947+318330+118330+111956078257825
Finish26.22 mi1.02 mi20866+818295+358295+351905974757475

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21309

Females

8405

F55-59

8405

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19927

Females

7656

F55-59

7656

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21309

Females

8405

F55-59

8405

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22192

Females

8904

F55-59

8904

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22589

Females

9120

F55-59

9120

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21793

Females

8717

F55-59

8717

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21521

Females

8642

F55-59

8642

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20903

Females

8357

F55-59

8357

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20391

Females

8142

F55-59

8142

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21056

Females

8518

F55-59

8518

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20492

Females

8225

F55-59

8225

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

20079

Females

8019

F55-59

8019

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19601

Females

7838

F55-59

7838

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19560

Females

7825

F55-59

7825

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19059

Females

7475

F55-59

7475

Passing Analysis

Category:
Athletes Passed
1262
Passed By
1990
Net Change
-728
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20138
5K → 10K375258+117#20138#20021
10K → 15K63509-446#20021#20467
15K → 20K40610-570#20467#21037
20K → Half8115-107#21037#21144
Half → 25K70167-97#21144#21241
25K → 30K106152-46#21241#21287
30K → 20M9445+49#21287#21238
20M → 21M8439+45#21238#21193
21M → 35K4726+21#21193#21172
35K → 23M8926+63#21172#21109
23M → 24M7010+60#21109#21049
24M → 40K787+71#21049#20978
40K → 25.2M4110+31#20978#20947
25.2M → Finish9716+81#20947#20866
TOTALS12621990-728

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing