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BOSTON MARATHON 2024

Liane Nakamura

Bib: 17844•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Division (F18-39)
#0 / 4660
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:00
Rank: #14999
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
50:11
Rank: #14964 (+35)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:15:31
Rank: #14725 (+239)
10K → 15K
25:20 | 8:09/mi
20K· 12.43 mi
1:41:05
Rank: #14292 (+433)
15K → 20K
25:34 | 8:14/mi
Half· 13.11 mi
1:46:38
Rank: #14240 (+52)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:06:43
Rank: #13768 (+472)
Half → 25K
20:05 | 8:17/mi
30K· 18.64 mi
2:33:53
Rank: #13323 (+445)
25K → 30K
27:10 | 8:45/mi
20M
2:45:38
Rank: #13007 (+316)
30K → 20M
11:45 | 8:39/mi
21M
2:54:39
Rank: #12704 (+303)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
3:00:59
Rank: #12588 (+116)
21M → 35K
6:20 | 8:28/mi
23M
3:11:48
Rank: #12342 (+246)
35K → 23M
10:49 | 8:38/mi
24M
3:20:13
Rank: #12151 (+191)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:27:24
Rank: #11960 (+191)
24M → 40K
7:11 | 8:24/mi
25.2M
3:30:37
Rank: #11867 (+93)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:39:00
Rank: #11747 (+120)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:38
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:52:22
Pace8:34 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5425:008:0325:00
8:03
-
10K
6.21 mi11:41:0550:118:0525:11
8:06
+0:03
15K
9.32 mi12:06:251:15:318:0625:20
8:09
+0:03
20K
12.43 mi12:31:591:41:058:0825:34
8:14
+0:05
Half
13.11 mi12:37:321:46:388:085:33
8:08
-0:06
25K
15.53 mi12:57:372:06:438:0920:05
8:17
+0:09
30K
18.64 mi13:24:472:33:538:1527:10
8:45
+0:28
20M
20.00 mi13:36:322:45:388:1711:45
8:39
-0:06
21M
21.00 mi13:45:332:54:398:199:01
9:01
+0:22
35K
21.75 mi13:51:533:00:598:196:20
8:28
-0:33
23M
23.00 mi14:02:423:11:488:2010:49
8:38
+0:10
24M
24.00 mi14:11:073:20:138:218:25
8:25
-0:13
40K
24.85 mi14:18:183:27:248:217:11
8:24
-0:01
25.2M
25.20 mi14:21:313:30:378:213:13
9:20
+0:56
Finish
26.22 mi14:29:543:39:008:228:23
8:14
-1:06

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

8:03 /mi

Average Pace

8:22 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:46

94% of race

Time at Steady Pace

12:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:15:5425:008:0325:00
8:03
#14999
10K
6.21 mi11:41:0550:118:0525:11
8:06
#14964
15K
9.32 mi12:06:251:15:318:0625:20
8:09
#14725
20K
12.43 mi12:31:591:41:058:0825:34
8:14
#14292
Half
13.11 mi12:37:321:46:388:085:33
8:08
#14240
25K
15.53 mi12:57:372:06:438:0920:05
8:17
#13768
30K
18.64 mi13:24:472:33:538:1527:10
8:45
#13323
20M
20.00 mi13:36:322:45:388:1711:45
8:39
#13007
21M
21.00 mi13:45:332:54:398:199:01
9:01
#12704
35K
21.75 mi13:51:533:00:598:196:20
8:28
#12588
23M
23.00 mi14:02:423:11:488:2010:49
8:38
#12342
24M
24.00 mi14:11:073:20:138:218:25
8:25
#12151
40K
24.85 mi14:18:183:27:248:217:11
8:24
#11960
25.2M
25.20 mi14:21:313:30:378:213:13
9:20
#11867
Finish
26.22 mi14:29:543:39:008:228:23
8:14
#11747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149994943494314432(Top 56%)4620(Top 42%)4620(Top 99%)
10K6.21 mi3.10 mi14964+354913+304913+3014917(Top 58%)4882(Top 45%)4882(Top 105%)
15K9.32 mi3.11 mi14725+2394777+1364777+13614432(Top 56%)4620(Top 42%)4620(Top 99%)
20K12.43 mi3.11 mi14292+4334539+2384539+23813309(Top 52%)4011(Top 37%)4011(Top 86%)
Half13.11 mi0.68 mi14240+524512+274512+2713629(Top 53%)4258(Top 39%)4258(Top 91%)
25K15.53 mi2.42 mi13768+4724257+2554257+25511893(Top 47%)3456(Top 32%)3456(Top 74%)
30K18.64 mi3.11 mi13323+4454097+1604097+16011919(Top 47%)3692(Top 34%)3692(Top 79%)
20M20.00 mi1.36 mi13007+3163983+1143983+11410273(Top 40%)3086(Top 28%)3086(Top 66%)
21M21.00 mi1.00 mi12704+3033860+1233860+1238710(Top 34%)2548(Top 23%)2548(Top 55%)
35K21.75 mi0.75 mi12588+1163833+273833+2710567(Top 41%)3527(Top 32%)3527(Top 76%)
23M23.00 mi1.25 mi12342+2463766+673766+679236(Top 36%)3001(Top 27%)3001(Top 64%)
24M24.00 mi1.00 mi12151+1913709+573709+578975(Top 35%)2938(Top 27%)2938(Top 63%)
40K24.85 mi0.85 mi11960+1913650+593650+597899(Top 31%)2557(Top 23%)2557(Top 55%)
25.2M25.20 mi0.35 mi11867+933613+373613+378098(Top 32%)2721(Top 25%)2721(Top 58%)
Finish26.22 mi1.02 mi11747+1203593+203593+209931(Top 39%)3492(Top 32%)3492(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14432

Females

4620

F18-39

4620

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

14917

Females

4882

F18-39

4882

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14432

Females

4620

F18-39

4620

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13309

Females

4011

F18-39

4011

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13629

Females

4258

F18-39

4258

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

11893

Females

3456

F18-39

3456

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

11919

Females

3692

F18-39

3692

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10273

Females

3086

F18-39

3086

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8710

Females

2548

F18-39

2548

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10567

Females

3527

F18-39

3527

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9236

Females

3001

F18-39

3001

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

8975

Females

2938

F18-39

2938

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7899

Females

2557

F18-39

2557

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8098

Females

2721

F18-39

2721

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

9931

Females

3492

F18-39

3492

Passing Analysis

Category:
Athletes Passed
3932
Passed By
680
Net Change
+3252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14999
5K → 10K294259+35#14999#14964
10K → 15K352113+239#14964#14725
15K → 20K49057+433#14725#14292
20K → Half6917+52#14292#14240
Half → 25K48917+472#14240#13768
25K → 30K53186+445#13768#13323
30K → 20M33418+316#13323#13007
20M → 21M31714+303#13007#12704
21M → 35K13418+116#12704#12588
35K → 23M26418+246#12588#12342
23M → 24M20918+191#12342#12151
24M → 40K20110+191#12151#11960
40K → 25.2M974+93#11960#11867
25.2M → Finish15131+120#11867#11747
TOTALS3932680+3252
📊

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