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BOSTON MARATHON 2024

Erica Nelson

Bib: 13439•F

MI

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
24:44
Rank: #14379
Start → 5K
7:58/mi
24:44 split
10K· 6.21 mi
49:40
Rank: #14359 (+20)
5K → 10K
8:02/mi
24:56 split
15K· 9.32 mi
1:15:21
Rank: #14612 (-253)
10K → 15K
8:16/mi
25:41 split
20K· 12.43 mi
1:44:43
Rank: #15979 (-1367)
15K → 20K
9:27/mi
29:22 split
Half· 13.11 mi
1:51:04
Rank: #16203 (-224)
20K → Half
9:18/mi
6:21 split
25K· 15.53 mi
2:15:19
Rank: #16888 (-685)
Half → 25K
10:00/mi
24:15 split
30K· 18.64 mi
2:49:18
Rank: #17745 (-857)
25K → 30K
10:56/mi
33:59 split
20M
3:02:40
Rank: #17590 (+155)
30K → 20M
9:50/mi
13:22 split
21M
3:14:03
Rank: #17609 (-19)
20M → 21M
11:23/mi
11:23 split
35K· 21.75 mi
3:21:44
Rank: #17640 (-31)
21M → 35K
10:16/mi
7:41 split
23M
3:35:06
Rank: #17617 (+23)
35K → 23M
10:41/mi
13:22 split
24M
3:46:48
Rank: #17794 (-177)
23M → 24M
11:42/mi
11:42 split
40K· 24.85 mi
3:58:50
Rank: #18172 (-378)
24M → 40K
14:04/mi
12:02 split
25.2M
4:03:35
Rank: #18223 (-51)
40K → 25.2M
13:46/mi
4:45 split
Finish· 26.22 mi
4:13:48
Rank: #18209 (+14)
25.2M → Finish
10:02/mi
10:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:04
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:22:44
Pace10:53 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0124:447:5824:44
7:58
-
10K
6.21 mi11:19:5749:408:0024:56
8:02
+0:04
15K
9.32 mi11:45:381:15:218:0525:41
8:16
+0:14
20K
12.43 mi12:15:001:44:438:2629:22
9:27
+1:11
Half
13.11 mi12:21:211:51:048:286:21
9:18
-0:09
25K
15.53 mi12:45:362:15:198:4324:15
10:00
+0:42
30K
18.64 mi13:19:352:49:189:0533:59
10:56
+0:56
20M
20.00 mi13:32:573:02:409:0813:22
9:50
-1:06
21M
21.00 mi13:44:203:14:039:1411:23
11:23
+1:33
35K
21.75 mi13:52:013:21:449:177:41
10:16
-1:07
23M
23.00 mi14:05:233:35:069:2113:22
10:41
+0:25
24M
24.00 mi14:17:053:46:489:2711:42
11:42
+1:01
40K
24.85 mi14:29:073:58:509:3712:02
14:04
+2:22
25.2M
25.20 mi14:33:524:03:359:404:45
13:46
-0:18
Finish
26.22 mi14:44:054:13:489:4110:13
10:02
-3:44

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

7:58 /mi

Average Pace

9:41 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:21

30% of race

Time at Steady Pace

1:44:36

41% of race

Time at Slower Pace

1:13:51

29% of race

Average Pace: 9:41 /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 mi10:55:0124:447:5824:44
7:58
#14379
10K
6.21 mi11:19:5749:408:0024:56
8:02
#14359
15K
9.32 mi11:45:381:15:218:0525:41
8:16
#14612
20K
12.43 mi12:15:001:44:438:2629:22
9:27
#15979
Half
13.11 mi12:21:211:51:048:286:21
9:18
#16203
25K
15.53 mi12:45:362:15:198:4324:15
10:00
#16888
30K
18.64 mi13:19:352:49:189:0533:59
10:56
#17745
20M
20.00 mi13:32:573:02:409:0813:22
9:50
#17590
21M
21.00 mi13:44:203:14:039:1411:23
11:23
#17609
35K
21.75 mi13:52:013:21:449:177:41
10:16
#17640
23M
23.00 mi14:05:233:35:069:2113:22
10:41
#17617
24M
24.00 mi14:17:053:46:489:2711:42
11:42
#17794
40K
24.85 mi14:29:073:58:509:3712:02
14:04
#18172
25.2M
25.20 mi14:33:524:03:359:404:45
13:46
#18223
Finish
26.22 mi14:44:054:13:489:4110:13
10:02
#18209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143794553455315116(Top 59%)5032(Top 46%)5032(Top 108%)
10K6.21 mi3.10 mi14359+204552+14552+114401(Top 56%)4577(Top 42%)4577(Top 98%)
15K9.32 mi3.11 mi14612-2534710-1584710-15815116(Top 59%)5032(Top 46%)5032(Top 108%)
20K12.43 mi3.11 mi15979-13675562-8525562-85219042(Top 75%)7288(Top 67%)7288(Top 156%)
Half13.11 mi0.68 mi16203-2245698-1365698-13619447(Top 76%)7573(Top 69%)7573(Top 163%)
25K15.53 mi2.42 mi16888-6856130-4326130-43219128(Top 75%)7443(Top 68%)7443(Top 160%)
30K18.64 mi3.11 mi17745-8576688-5586688-55819841(Top 78%)8028(Top 73%)8028(Top 172%)
20M20.00 mi1.36 mi17590+1556632+566632+5615916(Top 62%)6170(Top 56%)6170(Top 132%)
21M21.00 mi1.00 mi17609-196667-356667-3517373(Top 68%)7030(Top 64%)7030(Top 151%)
35K21.75 mi0.75 mi17640-316707-406707-4017954(Top 70%)7315(Top 67%)7315(Top 157%)
23M23.00 mi1.25 mi17617+236718-116718-1117526(Top 69%)7172(Top 66%)7172(Top 154%)
24M24.00 mi1.00 mi17794-1776850-1326850-13220811(Top 81%)8837(Top 81%)8837(Top 190%)
40K24.85 mi0.85 mi18172-3787074-2247074-22423704(Top 93%)10259(Top 94%)10259(Top 220%)
25.2M25.20 mi0.35 mi18223-517102-287102-2821224(Top 83%)9099(Top 83%)9099(Top 195%)
Finish26.22 mi1.02 mi18209+147124-227124-2218491(Top 72%)7731(Top 71%)7731(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15116

Females

5032

F18-39

5032

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14401

Females

4577

F18-39

4577

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15116

Females

5032

F18-39

5032

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19042

Females

7288

F18-39

7288

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

19447

Females

7573

F18-39

7573

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19128

Females

7443

F18-39

7443

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

19841

Females

8028

F18-39

8028

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15916

Females

6170

F18-39

6170

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

17373

Females

7030

F18-39

7030

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

17954

Females

7315

F18-39

7315

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

17526

Females

7172

F18-39

7172

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20811

Females

8837

F18-39

8837

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

23704

Females

10259

F18-39

10259

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21224

Females

9099

F18-39

9099

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18491

Females

7731

F18-39

7731

Passing Analysis

Category:
Athletes Passed
1278
Passed By
5108
Net Change
-3830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14379
5K → 10K301281+20#14379#14359
10K → 15K160413-253#14359#14612
15K → 20K461413-1367#14612#15979
20K → Half6230-224#15979#16203
Half → 25K79764-685#16203#16888
25K → 30K74931-857#16888#17745
30K → 20M19136+155#17745#17590
20M → 21M96115-19#17590#17609
21M → 35K6697-31#17609#17640
35K → 23M123100+23#17640#17617
23M → 24M25202-177#17617#17794
24M → 40K18396-378#17794#18172
40K → 25.2M1667-51#18172#18223
25.2M → Finish7763+14#18223#18209
TOTALS12785108-3830
📊

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