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BOSTON MARATHON 2023

Karen Oyama

Bib: 23896•F

WA

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

Start
0:00:00
Race begins
5K· 3.11 mi
26:48
Rank: #18410
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
54:12
Rank: #19267 (-857)
5K → 10K
27:24 | 8:49/mi
15K· 9.32 mi
1:21:49
Rank: #19492 (-225)
10K → 15K
27:37 | 8:53/mi
20K· 12.43 mi
1:49:57
Rank: #19577 (-85)
15K → 20K
28:08 | 9:03/mi
Half· 13.11 mi
1:56:04
Rank: #19619 (-42)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:18:18
Rank: #19636 (-17)
Half → 25K
22:14 | 9:10/mi
30K· 18.64 mi
2:47:29
Rank: #19526 (+110)
25K → 30K
29:11 | 9:24/mi
20M
3:00:31
Rank: #19485 (+41)
30K → 20M
13:02 | 9:35/mi
21M
3:10:47
Rank: #19443 (+42)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:17:54
Rank: #19465 (-22)
21M → 35K
7:07 | 9:31/mi
23M
3:30:17
Rank: #19499 (-34)
35K → 23M
12:23 | 9:53/mi
24M
3:40:02
Rank: #19541 (-42)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:48:49
Rank: #19599 (-58)
24M → 40K
8:47 | 10:16/mi
25.2M
3:52:50
Rank: #19668 (-69)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:04:20
Rank: #19957 (-289)
25.2M → Finish
11:30 | 11:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:04
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:08:16
Pace9:47 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2426:488:3826:48
8:38
-
10K
6.21 mi11:49:4854:128:4327:24
8:49
+0:11
15K
9.32 mi12:17:251:21:498:4727:37
8:53
+0:04
20K
12.43 mi12:45:331:49:578:5128:08
9:03
+0:10
Half
13.11 mi12:51:401:56:048:516:07
8:58
-0:05
25K
15.53 mi13:13:542:18:188:5422:14
9:10
+0:12
30K
18.64 mi13:43:052:47:298:5929:11
9:24
+0:14
20M
20.00 mi13:56:073:00:319:0213:02
9:35
+0:11
21M
21.00 mi14:06:233:10:479:0510:16
10:16
+0:41
35K
21.75 mi14:13:303:17:549:067:07
9:31
-0:45
23M
23.00 mi14:25:533:30:179:0912:23
9:53
+0:22
24M
24.00 mi14:35:383:40:029:109:45
9:45
-0:08
40K
24.85 mi14:44:253:48:499:128:47
10:16
+0:31
25.2M
25.20 mi14:48:263:52:509:144:01
11:39
+1:23
Finish
26.22 mi14:59:564:04:209:2011:30
11:17
-0:22

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

8:38 /mi

Average Pace

9:20 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:04

48% of race

Time at Steady Pace

1:33:42

38% of race

Time at Slower Pace

34:34

14% of race

Average Pace: 9:19 /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 mi11:22:2426:488:3826:48
8:38
#18410
10K
6.21 mi11:49:4854:128:4327:24
8:49
#19267
15K
9.32 mi12:17:251:21:498:4727:37
8:53
#19492
20K
12.43 mi12:45:331:49:578:5128:08
9:03
#19577
Half
13.11 mi12:51:401:56:048:516:07
8:58
#19619
25K
15.53 mi13:13:542:18:188:5422:14
9:10
#19636
30K
18.64 mi13:43:052:47:298:5929:11
9:24
#19526
20M
20.00 mi13:56:073:00:319:0213:02
9:35
#19485
21M
21.00 mi14:06:233:10:479:0510:16
10:16
#19443
35K
21.75 mi14:13:303:17:549:067:07
9:31
#19465
23M
23.00 mi14:25:533:30:179:0912:23
9:53
#19499
24M
24.00 mi14:35:383:40:029:109:45
9:45
#19541
40K
24.85 mi14:44:253:48:499:128:47
10:16
#19599
25.2M
25.20 mi14:48:263:52:509:144:01
11:39
#19668
Finish
26.22 mi14:59:564:04:209:2011:30
11:17
#19957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi184106822682220001(Top 75%)7687(Top 67%)7687(Top 943%)
10K6.21 mi3.10 mi19267-8577320-4987320-49820050(Top 75%)7725(Top 68%)7725(Top 948%)
15K9.32 mi3.11 mi19492-2257443-1237443-12320001(Top 75%)7687(Top 67%)7687(Top 943%)
20K12.43 mi3.11 mi19577-857474-317474-3119961(Top 75%)7658(Top 67%)7658(Top 940%)
Half13.11 mi0.68 mi19619-427495-217495-2120333(Top 76%)7868(Top 69%)7868(Top 965%)
25K15.53 mi2.42 mi19636-177506-117506-1119724(Top 74%)7546(Top 66%)7546(Top 926%)
30K18.64 mi3.11 mi19526+1107442+647442+6419021(Top 71%)7209(Top 63%)7209(Top 885%)
20M20.00 mi1.36 mi19485+417441+17441+119206(Top 72%)7403(Top 65%)7403(Top 908%)
21M21.00 mi1.00 mi19443+427429+127429+1218949(Top 71%)7313(Top 64%)7313(Top 897%)
35K21.75 mi0.75 mi19465-227444-157444-1519913(Top 75%)7881(Top 69%)7881(Top 967%)
23M23.00 mi1.25 mi19499-347468-247468-2419675(Top 74%)7782(Top 68%)7782(Top 955%)
24M24.00 mi1.00 mi19541-427505-377505-3720072(Top 75%)8012(Top 70%)8012(Top 983%)
40K24.85 mi0.85 mi19599-587544-397544-3920673(Top 78%)8424(Top 74%)8424(Top 1034%)
25.2M25.20 mi0.35 mi19668-697593-497593-4921864(Top 82%)9048(Top 79%)9048(Top 1110%)
Finish26.22 mi1.02 mi19957-2897769-1767769-17624412(Top 92%)10359(Top 91%)10359(Top 1271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20001

Females

7687

F55-59

7687

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

20050

Females

7725

F55-59

7725

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20001

Females

7687

F55-59

7687

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19961

Females

7658

F55-59

7658

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20333

Females

7868

F55-59

7868

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19724

Females

7546

F55-59

7546

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

19021

Females

7209

F55-59

7209

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19206

Females

7403

F55-59

7403

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18949

Females

7313

F55-59

7313

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19913

Females

7881

F55-59

7881

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19675

Females

7782

F55-59

7782

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20072

Females

8012

F55-59

8012

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20673

Females

8424

F55-59

8424

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21864

Females

9048

F55-59

9048

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24412

Females

10359

F55-59

10359

Passing Analysis

Category:
Athletes Passed
1030
Passed By
2577
Net Change
-1547
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18410
5K → 10K85942-857#18410#19267
10K → 15K105330-225#19267#19492
15K → 20K125210-85#19492#19577
20K → Half1961-42#19577#19619
Half → 25K108125-17#19619#19636
25K → 30K212102+110#19636#19526
30K → 20M10261+41#19526#19485
20M → 21M9452+42#19485#19443
21M → 35K3961-22#19443#19465
35K → 23M6195-34#19465#19499
23M → 24M3981-42#19499#19541
24M → 40K2886-58#19541#19599
40K → 25.2M1079-69#19599#19668
25.2M → Finish3292-289#19668#19957
TOTALS10302577-1547
📊

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