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BOSTON MARATHON 2024

Ariel Karson

Bib: 25693•F

MA

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

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
10:43/mi
33:19
↑ 97↓ 3451.5%
10K· 6.21 mi
10:29/mi
1:05:54
↑ 79↓ 1380.4%
15K· 9.32 mi
10:43/mi
1:39:13
↑ 67↓ 78
20K· 12.43 mi
11:06/mi
2:13:42
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:20:56
↑ 19↓ 370.5%
25K· 15.53 mi
11:14/mi
2:48:10
↑ 66↓ 880.2%
30K· 18.64 mi
11:40/mi
3:24:26
↑ 181↓ 1480.2%
20M
12:19/mi
3:41:10
↑ 64↓ 500.2%
21M
12:09/mi
3:53:19
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
4:01:17
↑ 17↓ 861.7%
23M
11:16/mi
4:15:23
↑ 23↓ 630.6%
24M
11:21/mi
4:26:44
↓ 821.3%
40K· 24.85 mi
10:48/mi
4:35:58
↓ 200.3%
25.2M
12:11/mi
4:40:10
↑ 13↓ 160.2%
Finish· 26.22 mi
10:23/mi
4:50:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:56
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:29:49
Pace11:26 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0733:1910:4333:19
10:43
-
10K
6.21 mi12:31:421:05:5410:3632:35
10:29
-0:14
15K
9.32 mi13:05:011:39:1310:3933:19
10:43
+0:14
20K
12.43 mi13:39:302:13:4210:4634:29
11:06
+0:23
Half
13.11 mi13:46:442:20:5610:457:14
10:36
-0:30
25K
15.53 mi14:13:582:48:1010:5027:14
11:14
+0:38
30K
18.64 mi14:50:143:24:2610:5836:16
11:40
+0:26
20M
20.00 mi15:06:583:41:1011:0316:44
12:19
+0:39
21M
21.00 mi15:19:073:53:1911:0712:09
12:09
-0:10
35K
21.75 mi15:27:054:01:1711:067:58
10:39
-1:30
23M
23.00 mi15:41:114:15:2311:0614:06
11:16
+0:37
24M
24.00 mi15:52:324:26:4411:0711:21
11:21
+0:05
40K
24.85 mi16:01:464:35:5811:069:14
10:48
-0:33
25.2M
25.20 mi16:05:584:40:1011:074:12
12:11
+1:23
Finish
26.22 mi16:16:334:50:4511:0610:35
10:23
-1:48

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

10:23 /mi

Average Pace

11:06 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:24

76% of race

Time at Steady Pace

52:37

18% of race

Time at Slower Pace

16:44

6% of race

Average Pace: 11:05 /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 mi11:59:0733:1910:4333:19
10:43
#24478
10K
6.21 mi12:31:421:05:5410:3632:35
10:29
#23996
15K
9.32 mi13:05:011:39:1310:3933:19
10:43
#23732
20K
12.43 mi13:39:302:13:4210:4634:29
11:06
#23542
Half
13.11 mi13:46:442:20:5610:457:14
10:36
#23501
25K
15.53 mi14:13:582:48:1010:5027:14
11:14
#23240
30K
18.64 mi14:50:143:24:2610:5836:16
11:40
#22904
20M
20.00 mi15:06:583:41:1011:0316:44
12:19
#22842
21M
21.00 mi15:19:073:53:1911:0712:09
12:09
#22673
35K
21.75 mi15:27:054:01:1711:067:58
10:39
#22551
23M
23.00 mi15:41:114:15:2311:0614:06
11:16
#22382
24M
24.00 mi15:52:324:26:4411:0711:21
11:21
#22275
40K
24.85 mi16:01:464:35:5811:069:14
10:48
#22121
25.2M
25.20 mi16:05:584:40:1011:074:12
12:11
#22059
Finish
26.22 mi16:16:334:50:4511:0610:35
10:23
#21991
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24478102301023023326(Top 91%)9605(Top 88%)9605(Top 206%)
10K6.21 mi3.10 mi23996+4829947+2839947+28323504(Top 92%)9687(Top 89%)9687(Top 208%)
15K9.32 mi3.11 mi23732+2649810+1379810+13723326(Top 91%)9605(Top 88%)9605(Top 206%)
20K12.43 mi3.11 mi23542+1909721+899721+8922794(Top 89%)9339(Top 85%)9339(Top 200%)
Half13.11 mi0.68 mi23501+419701+209701+2022857(Top 89%)9415(Top 86%)9415(Top 202%)
25K15.53 mi2.42 mi23240+2619584+1179584+11721938(Top 86%)8965(Top 82%)8965(Top 192%)
30K18.64 mi3.11 mi22904+3369445+1399445+13921365(Top 84%)8830(Top 81%)8830(Top 189%)
20M20.00 mi1.36 mi22842+629436+99436+921875(Top 86%)9195(Top 84%)9195(Top 197%)
21M21.00 mi1.00 mi22673+1699362+749362+7419171(Top 75%)7897(Top 72%)7897(Top 169%)
35K21.75 mi0.75 mi22551+1229304+589304+5818987(Top 74%)7835(Top 72%)7835(Top 168%)
23M23.00 mi1.25 mi22382+1699229+759229+7519106(Top 75%)7943(Top 73%)7943(Top 170%)
24M24.00 mi1.00 mi22275+1079197+329197+3220111(Top 79%)8499(Top 78%)8499(Top 182%)
40K24.85 mi0.85 mi22121+1549136+619136+6117583(Top 69%)7321(Top 67%)7321(Top 157%)
25.2M25.20 mi0.35 mi22059+629119+179119+1717822(Top 70%)7467(Top 68%)7467(Top 160%)
Finish26.22 mi1.02 mi21991+689098+219098+2119697(Top 77%)8332(Top 76%)8332(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23326

Females

9605

F18-39

9605

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

23504

Females

9687

F18-39

9687

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23326

Females

9605

F18-39

9605

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22794

Females

9339

F18-39

9339

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

22857

Females

9415

F18-39

9415

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

21938

Females

8965

F18-39

8965

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21365

Females

8830

F18-39

8830

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

21875

Females

9195

F18-39

9195

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19171

Females

7897

F18-39

7897

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

18987

Females

7835

F18-39

7835

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19106

Females

7943

F18-39

7943

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20111

Females

8499

F18-39

8499

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17583

Females

7321

F18-39

7321

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17822

Females

7467

F18-39

7467

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

19697

Females

8332

F18-39

8332

Passing Analysis

Category:
Athletes Passed
2723
Passed By
236
Net Change
+2487
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24478
5K → 10K50624+482#24478#23996
10K → 15K30541+264#23996#23732
15K → 20K24252+190#23732#23542
20K → Half454+41#23542#23501
Half → 25K27110+261#23501#23240
25K → 30K36125+336#23240#22904
30K → 20M10139+62#22904#22842
20M → 21M1734+169#22842#22673
21M → 35K1242+122#22673#22551
35K → 23M1690+169#22551#22382
23M → 24M1169+107#22382#22275
24M → 40K1551+154#22275#22121
40K → 25.2M653+62#22121#22059
25.2M → Finish9022+68#22059#21991
TOTALS2723236+2487
📊

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