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BOSTON MARATHON 2023

Cynthia Clark

Bib: 23905•F

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:01
Rank: #20545
Start → 5K
28:01 | 9:01/mi
10K· 6.21 mi
56:45
Rank: #21185 (-640)
5K → 10K
28:44 | 9:15/mi
15K· 9.32 mi
1:25:55
Rank: #21426 (-241)
10K → 15K
29:10 | 9:23/mi
20K· 12.43 mi
1:55:37
Rank: #21519 (-93)
15K → 20K
29:42 | 9:34/mi
Half· 13.11 mi
2:01:58
Rank: #21508 (+11)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:26:02
Rank: #21592 (-84)
Half → 25K
24:04 | 9:56/mi
30K· 18.64 mi
2:58:15
Rank: #21654 (-62)
25K → 30K
32:13 | 10:22/mi
20M
3:12:31
Rank: #21654
30K → 20M
14:16 | 10:30/mi
21M
3:23:50
Rank: #21670 (-16)
20M → 21M
11:19 | 11:19/mi
35K· 21.75 mi
3:31:32
Rank: #21694 (-24)
21M → 35K
7:42 | 10:18/mi
23M
3:46:26
Rank: #21866 (-172)
35K → 23M
14:54 | 11:54/mi
24M
3:56:42
Rank: #21854 (+12)
23M → 24M
10:16 | 10:16/mi
40K· 24.85 mi
4:06:11
Rank: #21881 (-27)
24M → 40K
9:29 | 11:05/mi
25.2M
4:10:02
Rank: #21868 (+13)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:20:10
Rank: #21853 (+15)
25.2M → Finish
10:08 | 9:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:58
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:18:12
Pace10:33 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2428:019:0128:01
9:01
-
10K
6.21 mi11:54:0856:459:0828:44
9:15
+0:14
15K
9.32 mi12:23:181:25:559:1329:10
9:23
+0:08
20K
12.43 mi12:53:001:55:379:1829:42
9:34
+0:11
Half
13.11 mi12:59:212:01:589:186:21
9:18
-0:16
25K
15.53 mi13:23:252:26:029:2424:04
9:56
+0:38
30K
18.64 mi13:55:382:58:159:3432:13
10:22
+0:26
20M
20.00 mi14:09:543:12:319:3814:16
10:30
+0:08
21M
21.00 mi14:21:133:23:509:4211:19
11:19
+0:49
35K
21.75 mi14:28:553:31:329:447:42
10:18
-1:01
23M
23.00 mi14:43:493:46:269:5114:54
11:54
+1:36
24M
24.00 mi14:54:053:56:429:5210:16
10:16
-1:38
40K
24.85 mi15:03:344:06:119:549:29
11:05
+0:49
25.2M
25.20 mi15:07:254:10:029:553:51
11:10
+0:05
Finish
26.22 mi15:17:334:20:109:5610:08
9:57
-1:13

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

9:01 /mi

Average Pace

9:56 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:58

47% of race

Time at Steady Pace

1:38:39

38% of race

Time at Slower Pace

39:33

15% of race

Average Pace: 9:55 /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 mi11:25:2428:019:0128:01
9:01
#20545
10K
6.21 mi11:54:0856:459:0828:44
9:15
#21185
15K
9.32 mi12:23:181:25:559:1329:10
9:23
#21426
20K
12.43 mi12:53:001:55:379:1829:42
9:34
#21519
Half
13.11 mi12:59:212:01:589:186:21
9:18
#21508
25K
15.53 mi13:23:252:26:029:2424:04
9:56
#21592
30K
18.64 mi13:55:382:58:159:3432:13
10:22
#21654
20M
20.00 mi14:09:543:12:319:3814:16
10:30
#21654
21M
21.00 mi14:21:133:23:509:4211:19
11:19
#21670
35K
21.75 mi14:28:553:31:329:447:42
10:18
#21694
23M
23.00 mi14:43:493:46:269:5114:54
11:54
#21866
24M
24.00 mi14:54:053:56:429:5210:16
10:16
#21854
40K
24.85 mi15:03:344:06:119:549:29
11:05
#21881
25.2M
25.20 mi15:07:254:10:029:553:51
11:10
#21868
Finish
26.22 mi15:17:334:20:109:5610:08
9:57
#21853
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi205458143814321929(Top 82%)8752(Top 77%)8752(Top 1661%)
10K6.21 mi3.10 mi21185-6408412-2698412-26921781(Top 82%)8707(Top 76%)8707(Top 1652%)
15K9.32 mi3.11 mi21426-2418512-1008512-10021929(Top 82%)8752(Top 77%)8752(Top 1661%)
20K12.43 mi3.11 mi21519-938564-528564-5221734(Top 82%)8645(Top 76%)8645(Top 1640%)
Half13.11 mi0.68 mi21508+118551+138551+1321574(Top 81%)8560(Top 75%)8560(Top 1624%)
25K15.53 mi2.42 mi21592-848597-468597-4622053(Top 83%)8863(Top 78%)8863(Top 1682%)
30K18.64 mi3.11 mi21654-628640-438640-4321933(Top 82%)8870(Top 78%)8870(Top 1683%)
20M20.00 mi1.36 mi216548651-118651-1121734(Top 82%)8834(Top 77%)8834(Top 1676%)
21M21.00 mi1.00 mi21670-168671-208671-2021529(Top 81%)8753(Top 77%)8753(Top 1661%)
35K21.75 mi0.75 mi21694-248697-268697-2621981(Top 83%)9039(Top 79%)9039(Top 1715%)
23M23.00 mi1.25 mi21866-1728801-1048801-10423854(Top 90%)10038(Top 88%)10038(Top 1905%)
24M24.00 mi1.00 mi21854+128802-18802-121493(Top 81%)8843(Top 77%)8843(Top 1678%)
40K24.85 mi0.85 mi21881-278831-298831-2922545(Top 85%)9417(Top 82%)9417(Top 1787%)
25.2M25.20 mi0.35 mi21868+138825+68825+620864(Top 78%)8516(Top 75%)8516(Top 1616%)
Finish26.22 mi1.02 mi21853+158830-58830-521621(Top 81%)8921(Top 78%)8921(Top 1693%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21929

Females

8752

F60-64

8752

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21781

Females

8707

F60-64

8707

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21929

Females

8752

F60-64

8752

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21734

Females

8645

F60-64

8645

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21574

Females

8560

F60-64

8560

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22053

Females

8863

F60-64

8863

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21933

Females

8870

F60-64

8870

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21734

Females

8834

F60-64

8834

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21529

Females

8753

F60-64

8753

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

21981

Females

9039

F60-64

9039

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

23854

Females

10038

F60-64

10038

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21493

Females

8843

F60-64

8843

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22545

Females

9417

F60-64

9417

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20864

Females

8516

F60-64

8516

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21621

Females

8921

F60-64

8921

Passing Analysis

Category:
Athletes Passed
782
Passed By
2090
Net Change
-1308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20545
5K → 10K82722-640#20545#21185
10K → 15K72313-241#21185#21426
15K → 20K100193-93#21426#21519
20K → Half2918+11#21519#21508
Half → 25K78162-84#21508#21592
25K → 30K115177-62#21592#21654
30K → 20M61610#21654#21654
20M → 21M5470-16#21654#21670
21M → 35K3256-24#21670#21694
35K → 23M24196-172#21694#21866
23M → 24M3826+12#21866#21854
24M → 40K3259-27#21854#21881
40K → 25.2M207+13#21881#21868
25.2M → Finish4530+15#21868#21853
TOTALS7822090-1308
📊

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