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BOSTON MARATHON 2024

Casey Nunnelly

Bib: 15607•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 26%
Division (F18-39)
#0 / 4660
Top 42%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:10
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:42
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:38:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:43:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:03:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:29:04
↑ 181↓ 1480.2%
20M
8:14/mi
2:40:15
↑ 64↓ 500.2%
21M
8:54/mi
2:49:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:55:03
↑ 17↓ 861.7%
23M
8:27/mi
3:05:38
↑ 23↓ 630.6%
24M
8:15/mi
3:13:53
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:21:03
↓ 200.3%
25.2M
9:20/mi
3:24:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:32:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:49
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:48:58
Pace8:19 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4624:367:5524:36
7:55
-
10K
6.21 mi11:19:2049:107:5524:34
7:54
-0:01
15K
9.32 mi11:43:521:13:427:5424:32
7:54
0:00
20K
12.43 mi12:08:401:38:307:5624:48
7:59
+0:05
Half
13.11 mi12:13:591:43:497:555:19
7:48
-0:11
25K
15.53 mi12:33:392:03:297:5719:40
8:07
+0:19
30K
18.64 mi12:59:142:29:048:0025:35
8:14
+0:07
20M
20.00 mi13:10:252:40:158:0111:11
8:14
0:00
21M
21.00 mi13:19:192:49:098:038:54
8:54
+0:40
35K
21.75 mi13:25:132:55:038:035:54
7:53
-1:01
23M
23.00 mi13:35:483:05:388:0410:35
8:27
+0:34
24M
24.00 mi13:44:033:13:538:058:15
8:15
-0:12
40K
24.85 mi13:51:133:21:038:057:10
8:23
+0:08
25.2M
25.20 mi13:54:263:24:168:063:13
9:20
+0:57
Finish
26.22 mi14:02:573:32:478:078:31
8:21
-0:59

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

8:07 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:40

94% of race

Time at Steady Pace

8:54

4% of race

Time at Slower Pace

3:13

2% of race

Average Pace: 8:07 /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 mi10:54:4624:367:5524:36
7:55
#14008
10K
6.21 mi11:19:2049:107:5524:34
7:54
#13757
15K
9.32 mi11:43:521:13:427:5424:32
7:54
#13356
20K
12.43 mi12:08:401:38:307:5624:48
7:59
#12831
Half
13.11 mi12:13:591:43:497:555:19
7:48
#12744
25K
15.53 mi12:33:392:03:297:5719:40
8:07
#12338
30K
18.64 mi12:59:142:29:048:0025:35
8:14
#11640
20M
20.00 mi13:10:252:40:158:0111:11
8:14
#11284
21M
21.00 mi13:19:192:49:098:038:54
8:54
#10978
35K
21.75 mi13:25:132:55:038:035:54
7:53
#10791
23M
23.00 mi13:35:483:05:388:0410:35
8:27
#10586
24M
24.00 mi13:44:033:13:538:058:15
8:15
#10417
40K
24.85 mi13:51:133:21:038:057:10
8:23
#10287
25.2M
25.20 mi13:54:263:24:168:063:13
9:20
#10237
Finish
26.22 mi14:02:573:32:478:078:31
8:21
#10231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140084312431212659(Top 50%)3600(Top 33%)3600(Top 77%)
10K6.21 mi3.10 mi13757+2514181+1314181+13113499(Top 53%)4043(Top 37%)4043(Top 87%)
15K9.32 mi3.11 mi13356+4013957+2243957+22412659(Top 50%)3600(Top 33%)3600(Top 77%)
20K12.43 mi3.11 mi12831+5253674+2833674+28311710(Top 46%)3164(Top 29%)3164(Top 68%)
Half13.11 mi0.68 mi12744+873637+373637+3711325(Top 44%)2970(Top 27%)2970(Top 64%)
25K15.53 mi2.42 mi12338+4063445+1923445+19210876(Top 43%)2903(Top 27%)2903(Top 62%)
30K18.64 mi3.11 mi11640+6983161+2843161+2849218(Top 36%)2324(Top 21%)2324(Top 50%)
20M20.00 mi1.36 mi11284+3563030+1313030+1318023(Top 31%)1998(Top 18%)1998(Top 43%)
21M21.00 mi1.00 mi10978+3062924+1062924+1068118(Top 32%)2243(Top 21%)2243(Top 48%)
35K21.75 mi0.75 mi10791+1872866+582866+587140(Top 28%)1828(Top 17%)1828(Top 39%)
23M23.00 mi1.25 mi10586+2052822+442822+448225(Top 32%)2492(Top 23%)2492(Top 53%)
24M24.00 mi1.00 mi10417+1692787+352787+358061(Top 32%)2517(Top 23%)2517(Top 54%)
40K24.85 mi0.85 mi10287+1302759+282759+287788(Top 30%)2506(Top 23%)2506(Top 54%)
25.2M25.20 mi0.35 mi10237+502758+12758+18076(Top 32%)2699(Top 25%)2699(Top 58%)
Finish26.22 mi1.02 mi10231+62787-292787-2910701(Top 42%)3841(Top 35%)3841(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

12659

Females

3600

F18-39

3600

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

13499

Females

4043

F18-39

4043

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

12659

Females

3600

F18-39

3600

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11710

Females

3164

F18-39

3164

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11325

Females

2970

F18-39

2970

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

10876

Females

2903

F18-39

2903

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9218

Females

2324

F18-39

2324

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8023

Females

1998

F18-39

1998

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8118

Females

2243

F18-39

2243

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7140

Females

1828

F18-39

1828

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8225

Females

2492

F18-39

2492

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8061

Females

2517

F18-39

2517

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7788

Females

2506

F18-39

2506

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8076

Females

2699

F18-39

2699

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10701

Females

3841

F18-39

3841

Passing Analysis

Category:
Athletes Passed
4348*
Passed By
571
Net Change
+3777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14008
5K → 10K432181+251#14008#13757
10K → 15K45655+401#13757#13356
15K → 20K56540+525#13356#12831
20K → Half947+87#12831#12744
Half → 25K45347+406#12744#12338
25K → 30K72527+698#12338#11640
30K → 20M3659+356#11640#11284
20M → 21M32620+306#11284#10978
21M → 35K1914+187#10978#10791
35K → 23M24237+205#10791#10586
23M → 24M19627+169#10586#10417
24M → 40K148*18+130#10417#10287
40K → 25.2M7121+50#10287#10237
25.2M → Finish8478+6#10237#10231
TOTALS4348*571+3777

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

📊

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