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BOSTON MARATHON 2024

Katelyn Clark

Bib: 6659•F

UT

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 27%
Gender (Female)
#0 / 10924
Top 11%
Division (F18-39)
#0 / 4660
Top 21%
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
6:47/mi
21:03
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
42:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:04:30
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:27:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:32:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:50:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:14:48
↑ 181↓ 1480.2%
20M
8:04/mi
2:25:46
↑ 64↓ 500.2%
21M
8:55/mi
2:34:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:40:54
↑ 17↓ 861.7%
23M
8:30/mi
2:51:33
↑ 23↓ 630.6%
24M
8:27/mi
3:00:00
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:07:36
↓ 200.3%
25.2M
10:00/mi
3:11:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:19:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:26
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:47:24
Pace8:12 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2521:036:4721:03
6:47
-
10K
6.21 mi10:47:5842:366:5121:33
6:56
+0:09
15K
9.32 mi11:09:521:04:306:5521:54
7:03
+0:07
20K
12.43 mi11:32:501:27:287:0222:58
7:24
+0:21
Half
13.11 mi11:37:481:32:267:034:58
7:17
-0:07
25K
15.53 mi11:55:571:50:357:0718:09
7:29
+0:12
30K
18.64 mi12:20:102:14:487:1424:13
7:48
+0:19
20M
20.00 mi12:31:082:25:467:1710:58
8:04
+0:16
21M
21.00 mi12:40:032:34:417:228:55
8:55
+0:51
35K
21.75 mi12:46:162:40:547:246:13
8:19
-0:36
23M
23.00 mi12:56:552:51:337:2810:39
8:30
+0:11
24M
24.00 mi13:05:223:00:007:308:27
8:27
-0:03
40K
24.85 mi13:12:583:07:367:337:36
8:53
+0:26
25.2M
25.20 mi13:16:253:11:037:353:27
10:00
+1:07
Finish
26.22 mi13:25:123:19:507:388:47
8:37
-1:23

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

6:47 /mi

Average Pace

7:38 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:35

55% of race

Time at Steady Pace

49:51

25% of race

Time at Slower Pace

39:24

20% of race

Average Pace: 7:37 /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 mi10:26:2521:036:4721:03
6:47
#5470
10K
6.21 mi10:47:5842:366:5121:33
6:56
#5850
15K
9.32 mi11:09:521:04:306:5521:54
7:03
#6084
20K
12.43 mi11:32:501:27:287:0222:58
7:24
#6420
Half
13.11 mi11:37:481:32:267:034:58
7:17
#6453
25K
15.53 mi11:55:571:50:357:0718:09
7:29
#6453
30K
18.64 mi12:20:102:14:487:1424:13
7:48
#6370
20M
20.00 mi12:31:082:25:467:1710:58
8:04
#6339
21M
21.00 mi12:40:032:34:417:228:55
8:55
#6365
35K
21.75 mi12:46:162:40:547:246:13
8:19
#6414
23M
23.00 mi12:56:552:51:337:2810:39
8:30
#6437
24M
24.00 mi13:05:223:00:007:308:27
8:27
#6494
40K
24.85 mi13:12:583:07:367:337:36
8:53
#6581
25.2M
25.20 mi13:16:253:11:037:353:27
10:00
#6652
Finish
26.22 mi13:25:123:19:507:388:47
8:37
#6856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi54704434436519(Top 26%)761(Top 7%)761(Top 16%)
10K6.21 mi3.10 mi5850-380518-75518-756265(Top 25%)654(Top 6%)654(Top 14%)
15K9.32 mi3.11 mi6084-234581-63581-636519(Top 26%)761(Top 7%)761(Top 16%)
20K12.43 mi3.11 mi6420-336713-132713-1327595(Top 30%)1217(Top 11%)1217(Top 26%)
Half13.11 mi0.68 mi6453-33729-16729-167563(Top 30%)1209(Top 11%)1209(Top 26%)
25K15.53 mi2.42 mi6453762-33762-336900(Top 27%)1132(Top 10%)1132(Top 24%)
30K18.64 mi3.11 mi6370+83793-31793-316694(Top 26%)1235(Top 11%)1235(Top 27%)
20M20.00 mi1.36 mi6339+31821-28821-287184(Top 28%)1619(Top 15%)1619(Top 35%)
21M21.00 mi1.00 mi6365-26870-49870-498176(Top 32%)2268(Top 21%)2268(Top 49%)
35K21.75 mi0.75 mi6414-49909-39909-399638(Top 38%)3018(Top 28%)3018(Top 65%)
23M23.00 mi1.25 mi6437-23965-56965-568518(Top 33%)2623(Top 24%)2623(Top 56%)
24M24.00 mi1.00 mi6494-571014-491014-499162(Top 36%)3006(Top 28%)3006(Top 65%)
40K24.85 mi0.85 mi6581-871095-811095-8110323(Top 40%)3714(Top 34%)3714(Top 80%)
25.2M25.20 mi0.35 mi6652-711140-451140-4510958(Top 43%)4056(Top 37%)4056(Top 87%)
Finish26.22 mi1.02 mi6856-2041246-1061246-10612184(Top 48%)4549(Top 42%)4549(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

6519

Females

761

F18-39

761

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6265

Females

654

F18-39

654

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

6519

Females

761

F18-39

761

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7595

Females

1217

F18-39

1217

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7563

Females

1209

F18-39

1209

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

6900

Females

1132

F18-39

1132

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6694

Females

1235

F18-39

1235

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7184

Females

1619

F18-39

1619

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8176

Females

2268

F18-39

2268

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9638

Females

3018

F18-39

3018

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8518

Females

2623

F18-39

2623

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9162

Females

3006

F18-39

3006

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10323

Females

3714

F18-39

3714

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

10958

Females

4056

F18-39

4056

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12184

Females

4549

F18-39

4549

Passing Analysis

Category:
Athletes Passed
1230
Passed By
2616
Net Change
-1386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5470
5K → 10K80460-380#5470#5850
10K → 15K73307-234#5850#6084
15K → 20K76412-336#6084#6420
20K → Half2760-33#6420#6453
Half → 25K1461460#6453#6453
25K → 30K252169+83#6453#6370
30K → 20M131100+31#6370#6339
20M → 21M106132-26#6339#6365
21M → 35K5099-49#6365#6414
35K → 23M108131-23#6414#6437
23M → 24M63120-57#6437#6494
24M → 40K69156-87#6494#6581
40K → 25.2M2091-71#6581#6652
25.2M → Finish29233-204#6652#6856
TOTALS12302616-1386
📊

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