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BOSTON MARATHON 2023

Cintia Ikeda

Bib: 29741•F

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

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
9:40/mi
30:01
↑ 97↓ 3451.5%
10K· 6.21 mi
9:05/mi
58:15
↑ 79↓ 1380.4%
15K· 9.32 mi
9:14/mi
1:26:57
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:55:32
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:02:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:38/mi
2:25:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:56:15
↑ 181↓ 1480.2%
20M
9:24/mi
3:09:01
↑ 64↓ 500.2%
21M
10:26/mi
3:19:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:26:44
↑ 17↓ 861.7%
23M
9:42/mi
3:38:53
↑ 23↓ 630.6%
24M
9:03/mi
3:47:56
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:56:01
↓ 200.3%
25.2M
9:49/mi
3:59:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
4:08:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:06:08
Pace9:37 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2330:019:4030:01
9:40
-
10K
6.21 mi12:20:3758:159:2228:14
9:05
-0:35
15K
9.32 mi12:49:191:26:579:2028:42
9:14
+0:09
20K
12.43 mi13:17:541:55:329:1828:35
9:12
-0:02
Half
13.11 mi13:24:402:02:189:206:46
9:55
+0:43
25K
15.53 mi13:48:022:25:409:2323:22
9:38
-0:17
30K
18.64 mi14:18:372:56:159:2730:35
9:51
+0:13
20M
20.00 mi14:31:233:09:019:2712:46
9:24
-0:27
21M
21.00 mi14:41:493:19:279:3010:26
10:26
+1:02
35K
21.75 mi14:49:063:26:449:307:17
9:44
-0:42
23M
23.00 mi15:01:153:38:539:3112:09
9:42
-0:02
24M
24.00 mi15:10:183:47:569:309:03
9:03
-0:39
40K
24.85 mi15:18:233:56:019:308:05
9:27
+0:24
25.2M
25.20 mi15:21:463:59:249:303:23
9:49
+0:22
Finish
26.22 mi15:30:484:08:269:299:02
8:52
-0:57

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

8:52 /mi

Average Pace

9:29 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:16

79% of race

Time at Steady Pace

51:10

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:28 /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 mi11:52:2330:019:4030:01
9:40
#22547
10K
6.21 mi12:20:3758:159:2228:14
9:05
#21974
15K
9.32 mi12:49:191:26:579:2028:42
9:14
#21769
20K
12.43 mi13:17:541:55:329:1828:35
9:12
#21498
Half
13.11 mi13:24:402:02:189:206:46
9:55
#21598
25K
15.53 mi13:48:022:25:409:2323:22
9:38
#21528
30K
18.64 mi14:18:372:56:159:2730:35
9:51
#21339
20M
20.00 mi14:31:233:09:019:2712:46
9:24
#21123
21M
21.00 mi14:41:493:19:279:3010:26
10:26
#21020
35K
21.75 mi14:49:063:26:449:307:17
9:44
#20990
23M
23.00 mi15:01:153:38:539:3112:09
9:42
#20848
24M
24.00 mi15:10:183:47:569:309:03
9:03
#20728
40K
24.85 mi15:18:233:56:019:308:05
9:27
#20623
25.2M
25.20 mi15:21:463:59:249:303:23
9:49
#20565
Finish
26.22 mi15:30:484:08:269:299:02
8:52
#20453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi225479157915721436(Top 81%)8467(Top 74%)8467(Top 466%)
10K6.21 mi3.10 mi21974+5738840+3178840+31721221(Top 80%)8397(Top 74%)8397(Top 462%)
15K9.32 mi3.11 mi21769+2058709+1318709+13121436(Top 81%)8467(Top 74%)8467(Top 466%)
20K12.43 mi3.11 mi21498+2718551+1588551+15820584(Top 77%)7999(Top 70%)7999(Top 440%)
Half13.11 mi0.68 mi21598-1008606-558606-5523116(Top 87%)9411(Top 82%)9411(Top 518%)
25K15.53 mi2.42 mi21528+708560+468560+4621254(Top 80%)8410(Top 74%)8410(Top 463%)
30K18.64 mi3.11 mi21339+1898474+868474+8620586(Top 77%)8102(Top 71%)8102(Top 446%)
20M20.00 mi1.36 mi21123+2168372+1028372+10218462(Top 69%)7010(Top 61%)7010(Top 386%)
21M21.00 mi1.00 mi21020+1038324+488324+4819401(Top 73%)7585(Top 66%)7585(Top 417%)
35K21.75 mi0.75 mi20990+308320+48320+420575(Top 77%)8256(Top 72%)8256(Top 454%)
23M23.00 mi1.25 mi20848+1428249+718249+7119109(Top 72%)7471(Top 65%)7471(Top 411%)
24M24.00 mi1.00 mi20728+1208193+568193+5617491(Top 66%)6639(Top 58%)6639(Top 365%)
40K24.85 mi0.85 mi20623+1058142+518142+5118205(Top 68%)7060(Top 62%)7060(Top 389%)
25.2M25.20 mi0.35 mi20565+588114+288114+2816689(Top 63%)6278(Top 55%)6278(Top 346%)
Finish26.22 mi1.02 mi20453+1128061+538061+5317373(Top 65%)6581(Top 58%)6581(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21436

Females

8467

F45-49

8467

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21221

Females

8397

F45-49

8397

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21436

Females

8467

F45-49

8467

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20584

Females

7999

F45-49

7999

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23116

Females

9411

F45-49

9411

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21254

Females

8410

F45-49

8410

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20586

Females

8102

F45-49

8102

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18462

Females

7010

F45-49

7010

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19401

Females

7585

F45-49

7585

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20575

Females

8256

F45-49

8256

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19109

Females

7471

F45-49

7471

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17491

Females

6639

F45-49

6639

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18205

Females

7060

F45-49

7060

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16689

Females

6278

F45-49

6278

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17373

Females

6581

F45-49

6581

Passing Analysis

Category:
Athletes Passed
2552
Passed By
458
Net Change
+2094
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22547
5K → 10K64067+573#22547#21974
10K → 15K28681+205#21974#21769
15K → 20K29726+271#21769#21498
20K → Half8108-100#21498#21598
Half → 25K13868+70#21598#21528
25K → 30K22132+189#21528#21339
30K → 20M2182+216#21339#21123
20M → 21M12522+103#21123#21020
21M → 35K5323+30#21020#20990
35K → 23M15715+142#20990#20848
23M → 24M1233+120#20848#20728
24M → 40K1072+105#20728#20623
40K → 25.2M580+58#20623#20565
25.2M → Finish1219+112#20565#20453
TOTALS2552458+2094
📊

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