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BOSTON MARATHON 2024

Janaina Nishikubo

Bib: 8800•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 26%
Gender (Female)
#0 / 10924
Top 10%
Division (F18-39)
#0 / 4660
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
6:38/mi
20:37
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
41:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:04:05
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:27:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:32:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:51:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:16:49
↑ 181↓ 1480.2%
20M
8:12/mi
2:27:57
↑ 64↓ 500.2%
21M
8:52/mi
2:36:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:42:43
↑ 17↓ 861.7%
23M
8:13/mi
2:53:00
↑ 23↓ 630.6%
24M
7:52/mi
3:00:52
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:07:48
↓ 200.3%
25.2M
8:54/mi
3:10:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:18:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:36
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:46:02
Pace8:05 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4020:376:3820:37
6:38
-
10K
6.21 mi11:07:0041:576:4521:20
6:52
+0:14
15K
9.32 mi11:29:081:04:056:5322:08
7:07
+0:15
20K
12.43 mi11:52:221:27:197:0223:14
7:29
+0:22
Half
13.11 mi11:57:391:32:367:045:17
7:45
+0:16
25K
15.53 mi12:16:421:51:397:1119:03
7:51
+0:06
30K
18.64 mi12:41:522:16:497:2025:10
8:06
+0:15
20M
20.00 mi12:53:002:27:577:2411:08
8:12
+0:06
21M
21.00 mi13:01:522:36:497:288:52
8:52
+0:40
35K
21.75 mi13:07:462:42:437:295:54
7:53
-0:59
23M
23.00 mi13:18:032:53:007:3110:17
8:13
+0:20
24M
24.00 mi13:25:553:00:527:327:52
7:52
-0:21
40K
24.85 mi13:32:513:07:487:336:56
8:07
+0:15
25.2M
25.20 mi13:35:553:10:527:343:04
8:54
+0:47
Finish
26.22 mi13:43:413:18:387:357:46
7:37
-1:17

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

6:38 /mi

Average Pace

7:35 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:19

44% of race

Time at Steady Pace

1:17:58

39% of race

Time at Slower Pace

33:21

17% of race

Average Pace: 7:35 /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 mi10:45:4020:376:3820:37
6:38
#4323
10K
6.21 mi11:07:0041:576:4521:20
6:52
#5011
15K
9.32 mi11:29:081:04:056:5322:08
7:07
#5767
20K
12.43 mi11:52:221:27:197:0223:14
7:29
#6349
Half
13.11 mi11:57:391:32:367:045:17
7:45
#6532
25K
15.53 mi12:16:421:51:397:1119:03
7:51
#6864
30K
18.64 mi12:41:522:16:497:2025:10
8:06
#7085
20M
20.00 mi12:53:002:27:577:2411:08
8:12
#7057
21M
21.00 mi13:01:522:36:497:288:52
8:52
#7007
35K
21.75 mi13:07:462:42:437:295:54
7:53
#6952
23M
23.00 mi13:18:032:53:007:3110:17
8:13
#6856
24M
24.00 mi13:25:553:00:527:327:52
7:52
#6731
40K
24.85 mi13:32:513:07:487:336:56
8:07
#6629
25.2M
25.20 mi13:35:553:10:527:343:04
8:54
#6604
Finish
26.22 mi13:43:413:18:387:357:46
7:37
#6554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi43232492496964(Top 27%)905(Top 8%)905(Top 19%)
10K6.21 mi3.10 mi5011-688365-116365-1165779(Top 23%)526(Top 5%)526(Top 11%)
15K9.32 mi3.11 mi5767-756509-144509-1446964(Top 27%)905(Top 8%)905(Top 19%)
20K12.43 mi3.11 mi6349-582694-185694-1858228(Top 32%)1476(Top 14%)1476(Top 32%)
Half13.11 mi0.68 mi6532-183747-53747-5310915(Top 43%)2735(Top 25%)2735(Top 59%)
25K15.53 mi2.42 mi6864-332893-146893-1469297(Top 36%)2142(Top 20%)2142(Top 46%)
30K18.64 mi3.11 mi7085-2211014-1211014-1218459(Top 33%)1959(Top 18%)1959(Top 42%)
20M20.00 mi1.36 mi7057+281044-301044-307802(Top 31%)1885(Top 17%)1885(Top 40%)
21M21.00 mi1.00 mi7007+501087-431087-437926(Top 31%)2135(Top 20%)2135(Top 46%)
35K21.75 mi0.75 mi6952+551093-61093-67095(Top 28%)1783(Top 16%)1783(Top 38%)
23M23.00 mi1.25 mi6856+961107-141107-146884(Top 27%)1838(Top 17%)1838(Top 39%)
24M24.00 mi1.00 mi6731+1251102+51102+55923(Top 23%)1486(Top 14%)1486(Top 32%)
40K24.85 mi0.85 mi6629+1021110-81110-86333(Top 25%)1799(Top 16%)1799(Top 39%)
25.2M25.20 mi0.35 mi6604+251121-111121-116084(Top 24%)1740(Top 16%)1740(Top 37%)
Finish26.22 mi1.02 mi6554+501129-81129-86285(Top 25%)1779(Top 16%)1779(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

6964

Females

905

F18-39

905

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

5779

Females

526

F18-39

526

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

6964

Females

905

F18-39

905

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8228

Females

1476

F18-39

1476

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

10915

Females

2735

F18-39

2735

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9297

Females

2142

F18-39

2142

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8459

Females

1959

F18-39

1959

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

7802

Females

1885

F18-39

1885

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7926

Females

2135

F18-39

2135

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7095

Females

1783

F18-39

1783

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

6884

Females

1838

F18-39

1838

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

5923

Females

1486

F18-39

1486

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6333

Females

1799

F18-39

1799

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6084

Females

1740

F18-39

1740

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6285

Females

1779

F18-39

1779

Passing Analysis

Category:
Athletes Passed
1321
Passed By
3552
Net Change
-2231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4323
5K → 10K38726-688#4323#5011
10K → 15K27783-756#5011#5767
15K → 20K45627-582#5767#6349
20K → Half8191-183#6349#6532
Half → 25K71403-332#6532#6864
25K → 30K153374-221#6864#7085
30K → 20M12597+28#7085#7057
20M → 21M152102+50#7057#7007
21M → 35K9742+55#7007#6952
35K → 23M16468+96#6952#6856
23M → 24M15631+125#6856#6731
24M → 40K13937+102#6731#6629
40K → 25.2M5530+25#6629#6604
25.2M → Finish9141+50#6604#6554
TOTALS13213552-2231
📊

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