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BOSTON MARATHON 2023

Amy Cords

Bib: 23507•F

FL

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
Top 45%
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
8:48/mi
27:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
54:47
↑ 79↓ 1380.4%
15K· 9.32 mi
9:33/mi
1:24:26
↑ 67↓ 78
20K· 12.43 mi
9:18/mi
1:53:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:07/mi
1:59:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:22:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:56/mi
2:53:20
↑ 181↓ 1480.2%
20M
10:12/mi
3:07:11
↑ 64↓ 500.2%
21M
11:14/mi
3:18:25
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
3:25:25
↑ 17↓ 861.7%
23M
10:16/mi
3:38:16
↑ 23↓ 630.6%
24M
9:40/mi
3:47:56
↓ 821.3%
40K· 24.85 mi
10:14/mi
3:56:41
↓ 200.3%
25.2M
11:13/mi
4:00:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
4:10:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:32
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:11:08
Pace10:00 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4627:208:4827:20
8:48
-
10K
6.21 mi11:50:1354:478:4927:27
8:50
+0:02
15K
9.32 mi12:19:521:24:269:0429:39
9:33
+0:43
20K
12.43 mi12:48:451:53:199:0728:53
9:18
-0:15
Half
13.11 mi12:54:581:59:329:076:13
9:07
-0:11
25K
15.53 mi13:17:542:22:289:1022:56
9:28
+0:21
30K
18.64 mi13:48:462:53:209:1830:52
9:56
+0:28
20M
20.00 mi14:02:373:07:119:2213:51
10:12
+0:16
21M
21.00 mi14:13:513:18:259:2711:14
11:14
+1:02
35K
21.75 mi14:20:513:25:259:277:00
9:21
-1:53
23M
23.00 mi14:33:423:38:169:2912:51
10:16
+0:55
24M
24.00 mi14:43:223:47:569:309:40
9:40
-0:36
40K
24.85 mi14:52:073:56:419:318:45
10:14
+0:34
25.2M
25.20 mi14:55:594:00:339:333:52
11:13
+0:59
Finish
26.22 mi15:06:064:10:409:3410:07
9:56
-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

8:48 /mi

Average Pace

9:34 /mi

Slowest Pace

11:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:53

36% of race

Time at Steady Pace

1:50:14

44% of race

Time at Slower Pace

50:33

20% of race

Average Pace: 9:34 /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 mi11:22:4627:208:4827:20
8:48
#19457
10K
6.21 mi11:50:1354:478:4927:27
8:50
#19774
15K
9.32 mi12:19:521:24:269:0429:39
9:33
#20836
20K
12.43 mi12:48:451:53:199:0728:53
9:18
#20859
Half
13.11 mi12:54:581:59:329:076:13
9:07
#20857
25K
15.53 mi13:17:542:22:289:1022:56
9:28
#20840
30K
18.64 mi13:48:462:53:209:1830:52
9:56
#20815
20M
20.00 mi14:02:373:07:119:2213:51
10:12
#20826
21M
21.00 mi14:13:513:18:259:2711:14
11:14
#20851
35K
21.75 mi14:20:513:25:259:277:00
9:21
#20784
23M
23.00 mi14:33:423:38:169:2912:51
10:16
#20773
24M
24.00 mi14:43:223:47:569:309:40
9:40
#20730
40K
24.85 mi14:52:073:56:419:318:45
10:14
#20706
25.2M
25.20 mi14:55:594:00:339:333:52
11:13
#20708
Finish
26.22 mi15:06:064:10:409:3410:07
9:56
#20732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi194577486748622378(Top 84%)8996(Top 79%)8996(Top 1707%)
10K6.21 mi3.10 mi19774-3177638-1527638-15220123(Top 76%)7770(Top 68%)7770(Top 1474%)
15K9.32 mi3.11 mi20836-10628195-5578195-55722378(Top 84%)8996(Top 79%)8996(Top 1707%)
20K12.43 mi3.11 mi20859-238196-18196-120956(Top 79%)8211(Top 72%)8211(Top 1558%)
Half13.11 mi0.68 mi20857+28191+58191+520899(Top 79%)8194(Top 72%)8194(Top 1555%)
25K15.53 mi2.42 mi20840+178172+198172+1920710(Top 78%)8111(Top 71%)8111(Top 1539%)
30K18.64 mi3.11 mi20815+258168+48168+420836(Top 78%)8250(Top 72%)8250(Top 1565%)
20M20.00 mi1.36 mi20826-118195-278195-2720989(Top 79%)8408(Top 74%)8408(Top 1595%)
21M21.00 mi1.00 mi20851-258227-328227-3221345(Top 80%)8649(Top 76%)8649(Top 1641%)
35K21.75 mi0.75 mi20784+678198+298198+2919401(Top 73%)7609(Top 67%)7609(Top 1444%)
23M23.00 mi1.25 mi20773+118204-68204-620753(Top 78%)8375(Top 73%)8375(Top 1589%)
24M24.00 mi1.00 mi20730+438195+98195+919796(Top 74%)7867(Top 69%)7867(Top 1493%)
40K24.85 mi0.85 mi20706+248190+58190+520587(Top 77%)8372(Top 73%)8372(Top 1589%)
25.2M25.20 mi0.35 mi20708-28200-108200-1020963(Top 79%)8569(Top 75%)8569(Top 1626%)
Finish26.22 mi1.02 mi20732-248218-188218-1821566(Top 81%)8887(Top 78%)8887(Top 1686%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22378

Females

8996

F60-64

8996

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20123

Females

7770

F60-64

7770

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22378

Females

8996

F60-64

8996

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20956

Females

8211

F60-64

8211

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20899

Females

8194

F60-64

8194

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20710

Females

8111

F60-64

8111

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20836

Females

8250

F60-64

8250

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20989

Females

8408

F60-64

8408

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21345

Females

8649

F60-64

8649

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19401

Females

7609

F60-64

7609

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20753

Females

8375

F60-64

8375

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19796

Females

7867

F60-64

7867

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20587

Females

8372

F60-64

8372

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20963

Females

8569

F60-64

8569

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21566

Females

8887

F60-64

8887

Passing Analysis

Category:
Athletes Passed
1091
Passed By
2366
Net Change
-1275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19457
5K → 10K181498-317#19457#19774
10K → 15K231085-1062#19774#20836
15K → 20K152175-23#20836#20859
20K → Half3634+2#20859#20857
Half → 25K10790+17#20857#20840
25K → 30K158133+25#20840#20815
30K → 20M7889-11#20815#20826
20M → 21M5075-25#20826#20851
21M → 35K769+67#20851#20784
35K → 23M7261+11#20784#20773
23M → 24M6522+43#20773#20730
24M → 40K4521+24#20730#20706
40K → 25.2M1921-2#20706#20708
25.2M → Finish2953-24#20708#20732
TOTALS10912366-1275
📊

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