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BOSTON MARATHON 2024

Naomi Yokoi

Bib: 23040•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F60-64)
#0 / 549
Top 28%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18564
Start → 5K
8:39/mi
26:51 split
10K· 6.21 mi
53:54
Rank: #18466 (+98)
5K → 10K
8:42/mi
27:03 split
15K· 9.32 mi
1:21:59
Rank: #18678 (-212)
10K → 15K
9:02/mi
28:05 split
20K· 12.43 mi
1:50:40
Rank: #18528 (+150)
15K → 20K
9:14/mi
28:41 split
Half· 13.11 mi
1:56:44
Rank: #18477 (+51)
20K → Half
8:54/mi
6:04 split
25K· 15.53 mi
2:19:48
Rank: #18296 (+181)
Half → 25K
9:31/mi
23:04 split
30K· 18.64 mi
2:50:33
Rank: #18043 (+253)
25K → 30K
9:54/mi
30:45 split
20M
3:03:52
Rank: #17857 (+186)
30K → 20M
9:48/mi
13:19 split
21M
3:14:42
Rank: #17751 (+106)
20M → 21M
10:50/mi
10:50 split
35K· 21.75 mi
3:22:06
Rank: #17706 (+45)
21M → 35K
9:53/mi
7:24 split
23M
3:36:01
Rank: #17757 (-51)
35K → 23M
11:07/mi
13:55 split
24M
3:46:49
Rank: #17797 (-40)
23M → 24M
10:48/mi
10:48 split
40K· 24.85 mi
3:56:18
Rank: #17823 (-26)
24M → 40K
11:05/mi
9:29 split
25.2M
4:00:38
Rank: #17831 (-8)
40K → 25.2M
12:34/mi
4:20 split
Finish· 26.22 mi
4:10:43
Rank: #17802 (+29)
25.2M → Finish
9:54/mi
10:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:44
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:13:59
Pace10:13 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1826:518:3926:51
8:39
-
10K
6.21 mi11:54:2153:548:4027:03
8:42
+0:03
15K
9.32 mi12:22:261:21:598:4828:05
9:02
+0:20
20K
12.43 mi12:51:071:50:408:5428:41
9:14
+0:12
Half
13.11 mi12:57:111:56:448:546:04
8:54
-0:20
25K
15.53 mi13:20:152:19:489:0023:04
9:31
+0:37
30K
18.64 mi13:51:002:50:339:0930:45
9:54
+0:23
20M
20.00 mi14:04:193:03:529:1213:19
9:48
-0:06
21M
21.00 mi14:15:093:14:429:1610:50
10:50
+1:02
35K
21.75 mi14:22:333:22:069:187:24
9:53
-0:57
23M
23.00 mi14:36:283:36:019:2413:55
11:07
+1:14
24M
24.00 mi14:47:163:46:499:2710:48
10:48
-0:19
40K
24.85 mi14:56:453:56:189:309:29
11:05
+0:17
25.2M
25.20 mi15:01:054:00:389:334:20
12:34
+1:29
Finish
26.22 mi15:11:104:10:439:3410:05
9:54
-2:40

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

8:39 /mi

Average Pace

9:34 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:44

47% of race

Time at Steady Pace

1:24:37

34% of race

Time at Slower Pace

49:22

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 mi11:27:1826:518:3926:51
8:39
#18564
10K
6.21 mi11:54:2153:548:4027:03
8:42
#18466
15K
9.32 mi12:22:261:21:598:4828:05
9:02
#18678
20K
12.43 mi12:51:071:50:408:5428:41
9:14
#18528
Half
13.11 mi12:57:111:56:448:546:04
8:54
#18477
25K
15.53 mi13:20:152:19:489:0023:04
9:31
#18296
30K
18.64 mi13:51:002:50:339:0930:45
9:54
#18043
20M
20.00 mi14:04:193:03:529:1213:19
9:48
#17857
21M
21.00 mi14:15:093:14:429:1610:50
10:50
#17751
35K
21.75 mi14:22:333:22:069:187:24
9:53
#17706
23M
23.00 mi14:36:283:36:019:2413:55
11:07
#17757
24M
24.00 mi14:47:163:46:499:2710:48
10:48
#17797
40K
24.85 mi14:56:453:56:189:309:29
11:05
#17823
25.2M
25.20 mi15:01:054:00:389:334:20
12:34
#17831
Finish
26.22 mi15:11:104:10:439:3410:05
9:54
#17802
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi185647093709319083(Top 75%)7290(Top 67%)7290(Top 1328%)
10K6.21 mi3.10 mi18466+987029+647029+6418402(Top 72%)6958(Top 64%)6958(Top 1267%)
15K9.32 mi3.11 mi18678-2127121-927121-9219083(Top 75%)7290(Top 67%)7290(Top 1328%)
20K12.43 mi3.11 mi18528+1507028+937028+9318312(Top 72%)6883(Top 63%)6883(Top 1254%)
Half13.11 mi0.68 mi18477+517005+237005+2317807(Top 70%)6699(Top 61%)6699(Top 1220%)
25K15.53 mi2.42 mi18296+1816934+716934+7117611(Top 69%)6601(Top 60%)6601(Top 1202%)
30K18.64 mi3.11 mi18043+2536855+796855+7917013(Top 67%)6519(Top 60%)6519(Top 1187%)
20M20.00 mi1.36 mi17857+1866782+736782+7315764(Top 62%)6093(Top 56%)6093(Top 1110%)
21M21.00 mi1.00 mi17751+1066756+266756+2615899(Top 62%)6282(Top 58%)6282(Top 1144%)
35K21.75 mi0.75 mi17706+456745+116745+1116829(Top 66%)6767(Top 62%)6767(Top 1233%)
23M23.00 mi1.25 mi17757-516800-556800-5518750(Top 73%)7767(Top 71%)7767(Top 1415%)
24M24.00 mi1.00 mi17797-406851-516851-5118698(Top 73%)7808(Top 71%)7808(Top 1422%)
40K24.85 mi0.85 mi17823-266886-356886-3518337(Top 72%)7664(Top 70%)7664(Top 1396%)
25.2M25.20 mi0.35 mi17831-86904-186904-1818686(Top 73%)7854(Top 72%)7854(Top 1431%)
Finish26.22 mi1.02 mi17802+296913-96913-918056(Top 71%)7530(Top 69%)7530(Top 1372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19083

Females

7290

F60-64

7290

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

18402

Females

6958

F60-64

6958

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19083

Females

7290

F60-64

7290

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

18312

Females

6883

F60-64

6883

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

17807

Females

6699

F60-64

6699

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17611

Females

6601

F60-64

6601

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17013

Females

6519

F60-64

6519

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15764

Females

6093

F60-64

6093

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15899

Females

6282

F60-64

6282

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

16829

Females

6767

F60-64

6767

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

18750

Females

7767

F60-64

7767

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18698

Females

7808

F60-64

7808

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18337

Females

7664

F60-64

7664

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

18686

Females

7854

F60-64

7854

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18056

Females

7530

F60-64

7530

Passing Analysis

Category:
Athletes Passed
2316
Passed By
1554
Net Change
+762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18564
5K → 10K334236+98#18564#18466
10K → 15K153365-212#18466#18678
15K → 20K324174+150#18678#18528
20K → Half6211+51#18528#18477
Half → 25K302121+181#18477#18296
25K → 30K379126+253#18296#18043
30K → 20M20721+186#18043#17857
20M → 21M15650+106#17857#17751
21M → 35K9045+45#17751#17706
35K → 23M93144-51#17706#17757
23M → 24M5191-40#17757#17797
24M → 40K5783-26#17797#17823
40K → 25.2M3038-8#17823#17831
25.2M → Finish7849+29#17831#17802
TOTALS23161554+762
📊

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