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BOSTON MARATHON 2023

Eunja Rau

Bib: 23185•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:57
Rank: #21586
Start → 5K
28:57 | 9:19/mi
10K· 6.21 mi
58:16
Rank: #21987 (-401)
5K → 10K
29:19 | 9:26/mi
15K· 9.32 mi
1:27:22
Rank: #21910 (+77)
10K → 15K
29:06 | 9:22/mi
20K· 12.43 mi
1:56:59
Rank: #21845 (+65)
15K → 20K
29:37 | 9:32/mi
Half· 13.11 mi
2:03:23
Rank: #21834 (+11)
20K → Half
6:24 | 9:23/mi
25K· 15.53 mi
2:26:25
Rank: #21653 (+181)
Half → 25K
23:02 | 9:30/mi
30K· 18.64 mi
2:57:01
Rank: #21476 (+177)
25K → 30K
30:36 | 9:51/mi
20M
3:10:34
Rank: #21375 (+101)
30K → 20M
13:33 | 9:58/mi
21M
3:21:01
Rank: #21260 (+115)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:28:00
Rank: #21183 (+77)
21M → 35K
6:59 | 9:20/mi
23M
3:40:12
Rank: #21038 (+145)
35K → 23M
12:12 | 9:45/mi
24M
3:49:34
Rank: #20934 (+104)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:57:40
Rank: #20829 (+105)
24M → 40K
8:06 | 9:28/mi
25.2M
4:01:11
Rank: #20788 (+41)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
4:10:40
Rank: #20733 (+55)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:23
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:07:17
Pace9:43 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5328:579:1928:57
9:19
-
10K
6.21 mi11:53:1258:169:2329:19
9:26
+0:07
15K
9.32 mi12:22:181:27:229:2229:06
9:22
-0:04
20K
12.43 mi12:51:551:56:599:2529:37
9:32
+0:10
Half
13.11 mi12:58:192:03:239:256:24
9:23
-0:09
25K
15.53 mi13:21:212:26:259:2623:02
9:30
+0:07
30K
18.64 mi13:51:572:57:019:3030:36
9:51
+0:21
20M
20.00 mi14:05:303:10:349:3213:33
9:58
+0:07
21M
21.00 mi14:15:573:21:019:3410:27
10:27
+0:29
35K
21.75 mi14:22:563:28:009:346:59
9:20
-1:07
23M
23.00 mi14:35:083:40:129:3412:12
9:45
+0:25
24M
24.00 mi14:44:303:49:349:349:22
9:22
-0:23
40K
24.85 mi14:52:363:57:409:348:06
9:28
+0:06
25.2M
25.20 mi14:56:074:01:119:343:31
10:12
+0:44
Finish
26.22 mi15:05:364:10:409:349:29
9:18
-0:54

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

9:18 /mi

Average Pace

9:34 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:00:13

96% of race

Time at Steady Pace

10:27

4% of race

Time at Slower Pace

0:00

0% 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 mi11:23:5328:579:1928:57
9:19
#21586
10K
6.21 mi11:53:1258:169:2329:19
9:26
#21987
15K
9.32 mi12:22:181:27:229:2229:06
9:22
#21910
20K
12.43 mi12:51:551:56:599:2529:37
9:32
#21845
Half
13.11 mi12:58:192:03:239:256:24
9:23
#21834
25K
15.53 mi13:21:212:26:259:2623:02
9:30
#21653
30K
18.64 mi13:51:572:57:019:3030:36
9:51
#21476
20M
20.00 mi14:05:303:10:349:3213:33
9:58
#21375
21M
21.00 mi14:15:573:21:019:3410:27
10:27
#21260
35K
21.75 mi14:22:563:28:009:346:59
9:20
#21183
23M
23.00 mi14:35:083:40:129:3412:12
9:45
#21038
24M
24.00 mi14:44:303:49:349:349:22
9:22
#20934
40K
24.85 mi14:52:363:57:409:348:06
9:28
#20829
25.2M
25.20 mi14:56:074:01:119:343:31
10:12
#20788
Finish
26.22 mi15:05:364:10:409:349:29
9:18
#20733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi215868685868521865(Top 82%)8715(Top 76%)8715(Top 722%)
10K6.21 mi3.10 mi21987-4018848-1638848-16322326(Top 84%)8992(Top 79%)8992(Top 745%)
15K9.32 mi3.11 mi21910+778788+608788+6021865(Top 82%)8715(Top 76%)8715(Top 722%)
20K12.43 mi3.11 mi21845+658735+538735+5321660(Top 81%)8603(Top 75%)8603(Top 713%)
Half13.11 mi0.68 mi21834+118733+28733+221769(Top 82%)8665(Top 76%)8665(Top 718%)
25K15.53 mi2.42 mi21653+1818628+1058628+10520841(Top 78%)8186(Top 72%)8186(Top 678%)
30K18.64 mi3.11 mi21476+1778541+878541+8720605(Top 77%)8112(Top 71%)8112(Top 672%)
20M20.00 mi1.36 mi21375+1018507+348507+3420418(Top 77%)8089(Top 71%)8089(Top 670%)
21M21.00 mi1.00 mi21260+1158455+528455+5219456(Top 73%)7619(Top 67%)7619(Top 631%)
35K21.75 mi0.75 mi21183+778425+308425+3019323(Top 73%)7564(Top 66%)7564(Top 627%)
23M23.00 mi1.25 mi21038+1458353+728353+7219251(Top 72%)7559(Top 66%)7559(Top 626%)
24M24.00 mi1.00 mi20934+1048307+468307+4618740(Top 70%)7303(Top 64%)7303(Top 605%)
40K24.85 mi0.85 mi20829+1058259+488259+4818273(Top 69%)7093(Top 62%)7093(Top 588%)
25.2M25.20 mi0.35 mi20788+418237+228237+2218184(Top 68%)7064(Top 62%)7064(Top 585%)
Finish26.22 mi1.02 mi20733+558219+188219+1819418(Top 73%)7687(Top 67%)7687(Top 637%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21865

Females

8715

F50-54

8715

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22326

Females

8992

F50-54

8992

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21865

Females

8715

F50-54

8715

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21660

Females

8603

F50-54

8603

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21769

Females

8665

F50-54

8665

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20841

Females

8186

F50-54

8186

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20605

Females

8112

F50-54

8112

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20418

Females

8089

F50-54

8089

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19456

Females

7619

F50-54

7619

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19323

Females

7564

F50-54

7564

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19251

Females

7559

F50-54

7559

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18740

Females

7303

F50-54

7303

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18273

Females

7093

F50-54

7093

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18184

Females

7064

F50-54

7064

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19418

Females

7687

F50-54

7687

Passing Analysis

Category:
Athletes Passed
1773
Passed By
920
Net Change
+853
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21586
5K → 10K119520-401#21586#21987
10K → 15K212135+77#21987#21910
15K → 20K166101+65#21910#21845
20K → Half2817+11#21845#21834
Half → 25K20322+181#21834#21653
25K → 30K22144+177#21653#21476
30K → 20M12726+101#21476#21375
20M → 21M13318+115#21375#21260
21M → 35K825+77#21260#21183
35K → 23M1505+145#21183#21038
23M → 24M11410+104#21038#20934
24M → 40K1083+105#20934#20829
40K → 25.2M432+41#20829#20788
25.2M → Finish6712+55#20788#20733
TOTALS1773920+853
📊

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