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BOSTON MARATHON 2023

Eiko Oyama

Bib: 22147•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 (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:07
Rank: #19072
Start → 5K
27:07 | 8:44/mi
10K· 6.21 mi
54:33
Rank: #19574 (-502)
5K → 10K
27:26 | 8:50/mi
15K· 9.32 mi
1:21:54
Rank: #19538 (+36)
10K → 15K
27:21 | 8:48/mi
20K· 12.43 mi
1:50:06
Rank: #19635 (-97)
15K → 20K
28:12 | 9:05/mi
Half· 13.11 mi
1:56:11
Rank: #19673 (-38)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:18:30
Rank: #19706 (-33)
Half → 25K
22:19 | 9:12/mi
30K· 18.64 mi
2:49:29
Rank: #20020 (-314)
25K → 30K
30:59 | 9:58/mi
20M
3:02:37
Rank: #19965 (+55)
30K → 20M
13:08 | 9:40/mi
21M
3:13:04
Rank: #19920 (+45)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:20:14
Rank: #19930 (-10)
21M → 35K
7:10 | 9:35/mi
23M
3:32:48
Rank: #19945 (-15)
35K → 23M
12:34 | 10:02/mi
24M
3:42:45
Rank: #20003 (-58)
23M → 24M
9:57 | 9:57/mi
40K· 24.85 mi
3:51:30
Rank: #20031 (-28)
24M → 40K
8:45 | 10:14/mi
25.2M
3:55:21
Rank: #20044 (-13)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:06:04
Rank: #20166 (-122)
25.2M → Finish
10:43 | 10:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:09:53
Pace9:54 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3027:078:4427:07
8:44
-
10K
6.21 mi11:48:5654:338:4727:26
8:50
+0:06
15K
9.32 mi12:16:171:21:548:4727:21
8:48
-0:02
20K
12.43 mi12:44:291:50:068:5228:12
9:05
+0:17
Half
13.11 mi12:50:341:56:118:526:05
8:55
-0:10
25K
15.53 mi13:12:532:18:308:5522:19
9:12
+0:17
30K
18.64 mi13:43:522:49:299:0630:59
9:58
+0:46
20M
20.00 mi13:57:003:02:379:0813:08
9:40
-0:18
21M
21.00 mi14:07:273:13:049:1210:27
10:27
+0:47
35K
21.75 mi14:14:373:20:149:127:10
9:35
-0:52
23M
23.00 mi14:27:113:32:489:1512:34
10:02
+0:27
24M
24.00 mi14:37:083:42:459:179:57
9:57
-0:05
40K
24.85 mi14:45:533:51:309:198:45
10:14
+0:17
25.2M
25.20 mi14:49:443:55:219:203:51
11:10
+0:56
Finish
26.22 mi15:00:274:06:049:2410:43
10:31
-0:39

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

8:44 /mi

Average Pace

9:24 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:30

56% of race

Time at Steady Pace

1:01:14

25% of race

Time at Slower Pace

46:20

19% of race

Average Pace: 9:23 /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 mi11:21:3027:078:4427:07
8:44
#19072
10K
6.21 mi11:48:5654:338:4727:26
8:50
#19574
15K
9.32 mi12:16:171:21:548:4727:21
8:48
#19538
20K
12.43 mi12:44:291:50:068:5228:12
9:05
#19635
Half
13.11 mi12:50:341:56:118:526:05
8:55
#19673
25K
15.53 mi13:12:532:18:308:5522:19
9:12
#19706
30K
18.64 mi13:43:522:49:299:0630:59
9:58
#20020
20M
20.00 mi13:57:003:02:379:0813:08
9:40
#19965
21M
21.00 mi14:07:273:13:049:1210:27
10:27
#19920
35K
21.75 mi14:14:373:20:149:127:10
9:35
#19930
23M
23.00 mi14:27:113:32:489:1512:34
10:02
#19945
24M
24.00 mi14:37:083:42:459:179:57
9:57
#20003
40K
24.85 mi14:45:533:51:309:198:45
10:14
#20031
25.2M
25.20 mi14:49:443:55:219:203:51
11:10
#20044
Finish
26.22 mi15:00:274:06:049:2410:43
10:31
#20166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190727246724619546(Top 73%)7412(Top 65%)7412(Top 408%)
10K6.21 mi3.10 mi19574-5027515-2697515-26920091(Top 75%)7748(Top 68%)7748(Top 426%)
15K9.32 mi3.11 mi19538+367470+457470+4519546(Top 73%)7412(Top 65%)7412(Top 408%)
20K12.43 mi3.11 mi19635-977505-357505-3520037(Top 75%)7697(Top 67%)7697(Top 424%)
Half13.11 mi0.68 mi19673-387524-197524-1920099(Top 75%)7726(Top 68%)7726(Top 425%)
25K15.53 mi2.42 mi19706-337539-157539-1519875(Top 75%)7627(Top 67%)7627(Top 420%)
30K18.64 mi3.11 mi20020-3147742-2037742-20320953(Top 79%)8317(Top 73%)8317(Top 458%)
20M20.00 mi1.36 mi19965+557721+217721+2119467(Top 73%)7558(Top 66%)7558(Top 416%)
21M21.00 mi1.00 mi19920+457698+237698+2319453(Top 73%)7616(Top 67%)7616(Top 419%)
35K21.75 mi0.75 mi19930-107713-157713-1520109(Top 76%)7992(Top 70%)7992(Top 440%)
23M23.00 mi1.25 mi19945-157734-217734-2120103(Top 76%)8016(Top 70%)8016(Top 441%)
24M24.00 mi1.00 mi20003-587775-417775-4120662(Top 78%)8360(Top 73%)8360(Top 460%)
40K24.85 mi0.85 mi20031-287799-247799-2420584(Top 77%)8369(Top 73%)8369(Top 461%)
25.2M25.20 mi0.35 mi20044-137816-177816-1720843(Top 78%)8495(Top 74%)8495(Top 468%)
Finish26.22 mi1.02 mi20166-1227900-847900-8423034(Top 87%)9660(Top 85%)9660(Top 532%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19546

Females

7412

F45-49

7412

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

20091

Females

7748

F45-49

7748

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19546

Females

7412

F45-49

7412

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

20037

Females

7697

F45-49

7697

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

20099

Females

7726

F45-49

7726

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19875

Females

7627

F45-49

7627

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

20953

Females

8317

F45-49

8317

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19467

Females

7558

F45-49

7558

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19453

Females

7616

F45-49

7616

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20109

Females

7992

F45-49

7992

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20103

Females

8016

F45-49

8016

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20662

Females

8360

F45-49

8360

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20584

Females

8369

F45-49

8369

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20843

Females

8495

F45-49

8495

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23034

Females

9660

F45-49

9660

Passing Analysis

Category:
Athletes Passed
1090
Passed By
2184
Net Change
-1094
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19072
5K → 10K139641-502#19072#19574
10K → 15K209173+36#19574#19538
15K → 20K127224-97#19538#19635
20K → Half2159-38#19635#19673
Half → 25K102135-33#19673#19706
25K → 30K84398-314#19706#20020
30K → 20M10348+55#20020#19965
20M → 21M10358+45#19965#19920
21M → 35K3545-10#19920#19930
35K → 23M6984-15#19930#19945
23M → 24M3391-58#19945#20003
24M → 40K3967-28#20003#20031
40K → 25.2M1427-13#20031#20044
25.2M → Finish12134-122#20044#20166
TOTALS10902184-1094
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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