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BOSTON MARATHON 2024

Rie Nagayama

Bib: 14130•F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 26%
Masters (Masters Women)
#0 / 6263
Top 14%
Division (F45-49)
#0 / 1753
Top 16%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:26
Rank: #13592
Start → 5K
24:26 | 7:52/mi
10K· 6.21 mi
49:14
Rank: #13834 (-242)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:14:05
Rank: #13676 (+158)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:39:19
Rank: #13371 (+305)
15K → 20K
25:14 | 8:07/mi
Half· 13.11 mi
1:44:38
Rank: #13226 (+145)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:04:09
Rank: #12636 (+590)
Half → 25K
19:31 | 8:03/mi
30K· 18.64 mi
2:30:10
Rank: #12044 (+592)
25K → 30K
26:01 | 8:22/mi
20M
2:41:40
Rank: #11781 (+263)
30K → 20M
11:30 | 8:28/mi
21M
2:50:34
Rank: #11471 (+310)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:56:37
Rank: #11318 (+153)
21M → 35K
6:03 | 8:05/mi
23M
3:07:02
Rank: #11009 (+309)
35K → 23M
10:25 | 8:19/mi
24M
3:15:05
Rank: #10774 (+235)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:22:10
Rank: #10575 (+199)
24M → 40K
7:05 | 8:17/mi
25.2M
3:25:22
Rank: #10512 (+63)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:33:26
Rank: #10382 (+130)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:38
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4624:267:5224:26
7:52
-
10K
6.21 mi11:20:3449:147:5524:48
7:59
+0:07
15K
9.32 mi11:45:251:14:057:5724:51
8:00
+0:01
20K
12.43 mi12:10:391:39:198:0025:14
8:07
+0:07
Half
13.11 mi12:15:581:44:387:595:19
7:48
-0:19
25K
15.53 mi12:35:292:04:098:0019:31
8:03
+0:15
30K
18.64 mi13:01:302:30:108:0326:01
8:22
+0:19
20M
20.00 mi13:13:002:41:408:0511:30
8:28
+0:06
21M
21.00 mi13:21:542:50:348:078:54
8:54
+0:26
35K
21.75 mi13:27:572:56:378:076:03
8:05
-0:49
23M
23.00 mi13:38:223:07:028:0810:25
8:19
+0:14
24M
24.00 mi13:46:253:15:058:088:03
8:03
-0:16
40K
24.85 mi13:53:303:22:108:087:05
8:17
+0:14
25.2M
25.20 mi13:56:423:25:228:093:12
9:17
+1:00
Finish
26.22 mi14:04:463:33:268:098:04
7:55
-1:22

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

7:48 /mi

Average Pace

8:09 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:20

94% of race

Time at Steady Pace

8:54

4% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:08 /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 mi10:55:4624:267:5224:26
7:52
#13592
10K
6.21 mi11:20:3449:147:5524:48
7:59
#13834
15K
9.32 mi11:45:251:14:057:5724:51
8:00
#13676
20K
12.43 mi12:10:391:39:198:0025:14
8:07
#13371
Half
13.11 mi12:15:581:44:387:595:19
7:48
#13226
25K
15.53 mi12:35:292:04:098:0019:31
8:03
#12636
30K
18.64 mi13:01:302:30:108:0326:01
8:22
#12044
20M
20.00 mi13:13:002:41:408:0511:30
8:28
#11781
21M
21.00 mi13:21:542:50:348:078:54
8:54
#11471
35K
21.75 mi13:27:572:56:378:076:03
8:05
#11318
23M
23.00 mi13:38:223:07:028:0810:25
8:19
#11009
24M
24.00 mi13:46:253:15:058:088:03
8:03
#10774
40K
24.85 mi13:53:303:22:108:087:05
8:17
#10575
25.2M
25.20 mi13:56:423:25:228:093:12
9:17
#10512
Finish
26.22 mi14:04:463:33:268:098:04
7:55
#10382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi135924053405313448(Top 53%)4053(Top 37%)4053(Top 231%)
10K6.21 mi3.10 mi13834-2424236-1834236-18314064(Top 55%)4379(Top 40%)4379(Top 250%)
15K9.32 mi3.11 mi13676+1584165+714165+7113448(Top 53%)4053(Top 37%)4053(Top 231%)
20K12.43 mi3.11 mi13371+3053997+1683997+16812672(Top 50%)3662(Top 34%)3662(Top 209%)
Half13.11 mi0.68 mi13226+1453922+753922+7511329(Top 44%)2974(Top 27%)2974(Top 170%)
25K15.53 mi2.42 mi12636+5903613+3093613+30910527(Top 41%)2742(Top 25%)2742(Top 156%)
30K18.64 mi3.11 mi12044+5923375+2383375+2389983(Top 39%)2705(Top 25%)2705(Top 154%)
20M20.00 mi1.36 mi11781+2633283+923283+929259(Top 36%)2589(Top 24%)2589(Top 148%)
21M21.00 mi1.00 mi11471+3103179+1043179+1048121(Top 32%)2246(Top 21%)2246(Top 128%)
35K21.75 mi0.75 mi11318+1533129+503129+508366(Top 33%)2402(Top 22%)2402(Top 137%)
23M23.00 mi1.25 mi11009+3093035+943035+947494(Top 29%)2143(Top 20%)2143(Top 122%)
24M24.00 mi1.00 mi10774+2352963+722963+726933(Top 27%)1979(Top 18%)1979(Top 113%)
40K24.85 mi0.85 mi10575+1992915+482915+487284(Top 29%)2282(Top 21%)2282(Top 130%)
25.2M25.20 mi0.35 mi10512+632900+152900+157866(Top 31%)2604(Top 24%)2604(Top 149%)
Finish26.22 mi1.02 mi10382+1302866+342866+348064(Top 32%)2616(Top 24%)2616(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

13448

Females

4053

F45-49

4053

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14064

Females

4379

F45-49

4379

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

13448

Females

4053

F45-49

4053

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

12672

Females

3662

F45-49

3662

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11329

Females

2974

F45-49

2974

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10527

Females

2742

F45-49

2742

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

9983

Females

2705

F45-49

2705

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9259

Females

2589

F45-49

2589

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8121

Females

2246

F45-49

2246

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8366

Females

2402

F45-49

2402

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7494

Females

2143

F45-49

2143

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6933

Females

1979

F45-49

1979

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7284

Females

2282

F45-49

2282

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7866

Females

2604

F45-49

2604

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8064

Females

2616

F45-49

2616

Passing Analysis

Category:
Athletes Passed
4084*
Passed By
874
Net Change
+3210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13592
5K → 10K214456-242#13592#13834
10K → 15K290132+158#13834#13676
15K → 20K412107+305#13676#13371
20K → Half1494+145#13371#13226
Half → 25K60515+590#13226#12636
25K → 30K63947+592#12636#12044
30K → 20M29835+263#12044#11781
20M → 21M32212+310#11781#11471
21M → 35K16411+153#11471#11318
35K → 23M32213+309#11318#11009
23M → 24M2383+235#11009#10774
24M → 40K211*12+199#10774#10575
40K → 25.2M718+63#10575#10512
25.2M → Finish14919+130#10512#10382
TOTALS4084*874+3210

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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