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BOSTON MARATHON 2023

Joyce Cron

Bib: P146•F

MA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:56/mi
30:53
↑ 97↓ 3451.5%
10K· 6.21 mi
10:09/mi
1:02:25
↑ 79↓ 1380.4%
15K· 9.32 mi
10:40/mi
1:35:34
↑ 67↓ 78
20K· 12.43 mi
10:01/mi
2:06:42
↑ 106↓ 860.1%
Half· 13.11 mi
10:13/mi
2:13:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:23/mi
2:38:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:17/mi
3:10:46
↑ 181↓ 1480.2%
20M
10:31/mi
3:25:04
↑ 64↓ 500.2%
21M
11:02/mi
3:36:06
↑ 106↓ 241.6%
35K· 21.75 mi
10:32/mi
3:43:59
↑ 17↓ 861.7%
23M
10:50/mi
3:57:33
↑ 23↓ 630.6%
24M
10:28/mi
4:08:01
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:17:04
↓ 200.3%
25.2M
11:21/mi
4:20:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:31:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:40
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:17:34
Pace10:30 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5430:539:5630:53
9:56
-
10K
6.21 mi10:52:261:02:2510:0331:32
10:09
+0:13
15K
9.32 mi11:25:351:35:3410:1533:09
10:40
+0:31
20K
12.43 mi11:56:432:06:4210:1231:08
10:01
-0:39
Half
13.11 mi12:03:412:13:4010:126:58
10:13
+0:12
25K
15.53 mi12:28:512:38:5010:1325:10
10:23
+0:10
30K
18.64 mi13:00:473:10:4610:1431:56
10:17
-0:06
20M
20.00 mi13:15:053:25:0410:1514:18
10:31
+0:14
21M
21.00 mi13:26:073:36:0610:1711:02
11:02
+0:31
35K
21.75 mi13:34:003:43:5910:187:53
10:32
-0:30
23M
23.00 mi13:47:343:57:3310:2013:34
10:50
+0:18
24M
24.00 mi13:58:024:08:0110:2010:28
10:28
-0:22
40K
24.85 mi14:07:054:17:0410:219:03
10:35
+0:07
25.2M
25.20 mi14:11:004:20:5910:213:55
11:21
+0:46
Finish
26.22 mi14:21:154:31:1410:2110:15
10:04
-1:17

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

9:56 /mi

Average Pace

10:21 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:17

94% of race

Time at Steady Pace

14:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:21 /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 mi10:20:5430:539:5630:53
9:56
#23312
10K
6.21 mi10:52:261:02:2510:0331:32
10:09
#23722
15K
9.32 mi11:25:351:35:3410:1533:09
10:40
#24126
20K
12.43 mi11:56:432:06:4210:1231:08
10:01
#23816
Half
13.11 mi12:03:412:13:4010:126:58
10:13
#23802
25K
15.53 mi12:28:512:38:5010:1325:10
10:23
#23645
30K
18.64 mi13:00:473:10:4610:1431:56
10:17
#23312
20M
20.00 mi13:15:053:25:0410:1514:18
10:31
#23190
21M
21.00 mi13:26:073:36:0610:1711:02
11:02
#23073
35K
21.75 mi13:34:003:43:5910:187:53
10:32
#23059
23M
23.00 mi13:47:343:57:3310:2013:34
10:50
#22972
24M
24.00 mi13:58:024:08:0110:2010:28
10:28
#22925
40K
24.85 mi14:07:054:17:0410:219:03
10:35
#22871
25.2M
25.20 mi14:11:004:20:5910:213:55
11:21
#22854
Finish
26.22 mi14:21:154:31:1410:2110:15
10:04
#22830
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi233129555955524761(Top 93%)10324(Top 90%)10324(Top 1959%)
10K6.21 mi3.10 mi23722-4109740-1859740-18524018(Top 90%)9895(Top 87%)9895(Top 1878%)
15K9.32 mi3.11 mi24126-4049958-2189958-21824761(Top 93%)10324(Top 90%)10324(Top 1959%)
20K12.43 mi3.11 mi23816+3109789+1699789+16922966(Top 86%)9337(Top 82%)9337(Top 1772%)
Half13.11 mi0.68 mi23802+149784+59784+523691(Top 89%)9733(Top 85%)9733(Top 1847%)
25K15.53 mi2.42 mi23645+1579701+839701+8322978(Top 86%)9378(Top 82%)9378(Top 1780%)
30K18.64 mi3.11 mi23312+3339545+1569545+15621737(Top 82%)8757(Top 77%)8757(Top 1662%)
20M20.00 mi1.36 mi23190+1229492+539492+5321806(Top 82%)8878(Top 78%)8878(Top 1685%)
21M21.00 mi1.00 mi23073+1179441+519441+5120911(Top 79%)8410(Top 74%)8410(Top 1596%)
35K21.75 mi0.75 mi23059+149445-49445-422469(Top 84%)9307(Top 81%)9307(Top 1766%)
23M23.00 mi1.25 mi22972+879410+359410+3522040(Top 83%)9095(Top 80%)9095(Top 1726%)
24M24.00 mi1.00 mi22925+479396+149396+1421981(Top 83%)9090(Top 80%)9090(Top 1725%)
40K24.85 mi0.85 mi22871+549375+219375+2121436(Top 81%)8865(Top 78%)8865(Top 1682%)
25.2M25.20 mi0.35 mi22854+179365+109365+1021291(Top 80%)8754(Top 77%)8754(Top 1661%)
Finish26.22 mi1.02 mi22830+249361+49361+421939(Top 82%)9090(Top 80%)9090(Top 1725%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24761

Females

10324

F60-64

10324

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24018

Females

9895

F60-64

9895

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24761

Females

10324

F60-64

10324

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22966

Females

9337

F60-64

9337

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23691

Females

9733

F60-64

9733

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22978

Females

9378

F60-64

9378

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21737

Females

8757

F60-64

8757

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21806

Females

8878

F60-64

8878

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20911

Females

8410

F60-64

8410

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22469

Females

9307

F60-64

9307

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22040

Females

9095

F60-64

9095

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

21981

Females

9090

F60-64

9090

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21436

Females

8865

F60-64

8865

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21291

Females

8754

F60-64

8754

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21939

Females

9090

F60-64

9090

Passing Analysis

Category:
Athletes Passed
1531
Passed By
1049
Net Change
+482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23312
5K → 10K61471-410#23312#23722
10K → 15K23427-404#23722#24126
15K → 20K32515+310#24126#23816
20K → Half2511+14#23816#23802
Half → 25K17417+157#23802#23645
25K → 30K3352+333#23645#23312
30K → 20M1319+122#23312#23190
20M → 21M1225+117#23190#23073
21M → 35K3723+14#23073#23059
35K → 23M9811+87#23059#22972
23M → 24M7124+47#22972#22925
24M → 40K6410+54#22925#22871
40K → 25.2M225+17#22871#22854
25.2M → Finish4319+24#22854#22830
TOTALS15311049+482
📊

Passing Visuals

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