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BOSTON MARATHON 2024

Natalia Portnoy

Bib: 14827•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:38
Rank: #18173
Start → 5K
26:38 | 8:34/mi
10K· 6.21 mi
54:40
Rank: #19045 (-872)
5K → 10K
28:02 | 9:01/mi
15K· 9.32 mi
1:22:54
Rank: #19104 (-59)
10K → 15K
28:14 | 9:05/mi
20K· 12.43 mi
1:51:09
Rank: #18712 (+392)
15K → 20K
28:15 | 9:06/mi
Half· 13.11 mi
1:57:10
Rank: #18627 (+85)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:19:16
Rank: #18143 (+484)
Half → 25K
22:06 | 9:07/mi
30K· 18.64 mi
2:49:39
Rank: #17833 (+310)
25K → 30K
30:23 | 9:47/mi
20M
3:02:32
Rank: #17560 (+273)
30K → 20M
12:53 | 9:29/mi
21M
3:12:48
Rank: #17370 (+190)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:19:18
Rank: #17147 (+223)
21M → 35K
6:30 | 8:41/mi
23M
3:31:08
Rank: #16925 (+222)
35K → 23M
11:50 | 9:27/mi
24M
3:40:16
Rank: #16744 (+181)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:48:04
Rank: #16530 (+214)
24M → 40K
7:48 | 9:07/mi
25.2M
3:51:36
Rank: #16441 (+89)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
4:00:24
Rank: #16297 (+144)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:10
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:03:14
Pace9:24 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2126:388:3426:38
8:34
-
10K
6.21 mi12:19:2354:408:4828:02
9:01
+0:27
15K
9.32 mi12:47:371:22:548:5428:14
9:05
+0:04
20K
12.43 mi13:15:521:51:098:5728:15
9:06
+0:01
Half
13.11 mi13:21:531:57:108:566:01
8:49
-0:17
25K
15.53 mi13:43:592:19:168:5822:06
9:07
+0:18
30K
18.64 mi14:14:222:49:399:0630:23
9:47
+0:40
20M
20.00 mi14:27:153:02:329:0812:53
9:29
-0:18
21M
21.00 mi14:37:313:12:489:1110:16
10:16
+0:47
35K
21.75 mi14:44:013:19:189:106:30
8:41
-1:35
23M
23.00 mi14:55:513:31:089:1111:50
9:27
+0:46
24M
24.00 mi15:04:593:40:169:119:08
9:08
-0:19
40K
24.85 mi15:12:473:48:049:117:48
9:07
-0:01
25.2M
25.20 mi15:16:193:51:369:113:32
10:15
+1:08
Finish
26.22 mi15:25:074:00:249:118:48
8:38
-1:37

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

8:34 /mi

Average Pace

9:11 /mi

Slowest Pace

10:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:30

71% of race

Time at Steady Pace

55:06

23% of race

Time at Slower Pace

13:48

6% of race

Average Pace: 9:10 /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 mi11:51:2126:388:3426:38
8:34
#18173
10K
6.21 mi12:19:2354:408:4828:02
9:01
#19045
15K
9.32 mi12:47:371:22:548:5428:14
9:05
#19104
20K
12.43 mi13:15:521:51:098:5728:15
9:06
#18712
Half
13.11 mi13:21:531:57:108:566:01
8:49
#18627
25K
15.53 mi13:43:592:19:168:5822:06
9:07
#18143
30K
18.64 mi14:14:222:49:399:0630:23
9:47
#17833
20M
20.00 mi14:27:153:02:329:0812:53
9:29
#17560
21M
21.00 mi14:37:313:12:489:1110:16
10:16
#17370
35K
21.75 mi14:44:013:19:189:106:30
8:41
#17147
23M
23.00 mi14:55:513:31:089:1111:50
9:27
#16925
24M
24.00 mi15:04:593:40:169:119:08
9:08
#16744
40K
24.85 mi15:12:473:48:049:117:48
9:07
#16530
25.2M
25.20 mi15:16:193:51:369:113:32
10:15
#16441
Finish
26.22 mi15:25:074:00:249:118:48
8:38
#16297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi181736861686119272(Top 75%)7396(Top 68%)7396(Top 159%)
10K6.21 mi3.10 mi19045-8727354-4937354-49319833(Top 78%)7746(Top 71%)7746(Top 166%)
15K9.32 mi3.11 mi19104-597359-57359-519272(Top 75%)7396(Top 68%)7396(Top 159%)
20K12.43 mi3.11 mi18712+3927136+2237136+22317731(Top 69%)6554(Top 60%)6554(Top 141%)
Half13.11 mi0.68 mi18627+857087+497087+4917457(Top 68%)6490(Top 59%)6490(Top 139%)
25K15.53 mi2.42 mi18143+4846847+2406847+24016068(Top 63%)5761(Top 53%)5761(Top 124%)
30K18.64 mi3.11 mi17833+3106744+1036744+10316563(Top 65%)6276(Top 57%)6276(Top 135%)
20M20.00 mi1.36 mi17560+2736613+1316613+13114473(Top 57%)5379(Top 49%)5379(Top 115%)
21M21.00 mi1.00 mi17370+1906529+846529+8414018(Top 55%)5324(Top 49%)5324(Top 114%)
35K21.75 mi0.75 mi17147+2236429+1006429+10011803(Top 46%)4196(Top 38%)4196(Top 90%)
23M23.00 mi1.25 mi16925+2226333+966333+9613316(Top 52%)5065(Top 46%)5065(Top 109%)
24M24.00 mi1.00 mi16744+1816252+816252+8112826(Top 50%)4845(Top 44%)4845(Top 104%)
40K24.85 mi0.85 mi16530+2146161+916161+9111465(Top 45%)4288(Top 39%)4288(Top 92%)
25.2M25.20 mi0.35 mi16441+896132+296132+2911961(Top 47%)4592(Top 42%)4592(Top 99%)
Finish26.22 mi1.02 mi16297+1446083+496083+4912304(Top 48%)4622(Top 42%)4622(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19272

Females

7396

F18-39

7396

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

19833

Females

7746

F18-39

7746

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19272

Females

7396

F18-39

7396

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

17731

Females

6554

F18-39

6554

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17457

Females

6490

F18-39

6490

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16068

Females

5761

F18-39

5761

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

16563

Females

6276

F18-39

6276

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

14473

Females

5379

F18-39

5379

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14018

Females

5324

F18-39

5324

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

11803

Females

4196

F18-39

4196

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13316

Females

5065

F18-39

5065

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

12826

Females

4845

F18-39

4845

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11465

Females

4288

F18-39

4288

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

11961

Females

4592

F18-39

4592

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12304

Females

4622

F18-39

4622

Passing Analysis

Category:
Athletes Passed
3335
Passed By
1459
Net Change
+1876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18173
5K → 10K73945-872#18173#19045
10K → 15K199258-59#19045#19104
15K → 20K46169+392#19104#18712
20K → Half9712+85#18712#18627
Half → 25K50319+484#18627#18143
25K → 30K411101+310#18143#17833
30K → 20M2785+273#17833#17560
20M → 21M20818+190#17560#17370
21M → 35K2241+223#17370#17147
35K → 23M2275+222#17147#16925
23M → 24M1898+181#16925#16744
24M → 40K2228+214#16744#16530
40K → 25.2M923+89#16530#16441
25.2M → Finish1517+144#16441#16297
TOTALS33351459+1876
📊

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