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BOSTON MARATHON 2024

Katelyn Kelly

Bib: 29018•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:34
Rank: #21787
Start → 5K
29:34 | 9:31/mi
10K· 6.21 mi
59:56
Rank: #21935 (-148)
5K → 10K
30:22 | 9:46/mi
15K· 9.32 mi
1:29:06
Rank: #21394 (+541)
10K → 15K
29:10 | 9:23/mi
20K· 12.43 mi
2:00:44
Rank: #21237 (+157)
15K → 20K
31:38 | 10:11/mi
Half· 13.11 mi
2:08:16
Rank: #21388 (-151)
20K → Half
7:32 | 11:02/mi
25K· 15.53 mi
2:31:50
Rank: #20893 (+495)
Half → 25K
23:34 | 9:43/mi
30K· 18.64 mi
3:03:45
Rank: #20403 (+490)
25K → 30K
31:55 | 10:16/mi
20M
3:19:17
Rank: #20380 (+23)
30K → 20M
15:32 | 11:26/mi
21M
3:31:09
Rank: #20260 (+120)
20M → 21M
11:52 | 11:52/mi
35K· 21.75 mi
3:50:09
Rank: #21463 (-1203)
21M → 35K
19:00 | 25:24/mi
23M
4:03:26
Rank: #21240 (+223)
35K → 23M
13:17 | 10:37/mi
24M
4:14:47
Rank: #21161 (+79)
23M → 24M
11:21 | 11:21/mi
40K· 24.85 mi
4:23:39
Rank: #21003 (+158)
24M → 40K
8:52 | 10:22/mi
25.2M
4:27:54
Rank: #20963 (+40)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:40:17
Rank: #21068 (-105)
25.2M → Finish
12:23 | 12:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:16
Pace9:47 /mi
2nd Half
Distance13.11 mi
Time2:32:01
Pace11:36 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0429:349:3129:34
9:31
-
10K
6.21 mi12:24:2659:569:3930:22
9:46
+0:15
15K
9.32 mi12:53:361:29:069:3429:10
9:23
-0:23
20K
12.43 mi13:25:142:00:449:4331:38
10:11
+0:48
Half
13.11 mi13:32:462:08:169:477:32
11:02
+0:51
25K
15.53 mi13:56:202:31:509:4623:34
9:43
-1:19
30K
18.64 mi14:28:153:03:459:5131:55
10:16
+0:33
20M
20.00 mi14:43:473:19:179:5815:32
11:26
+1:10
21M
21.00 mi14:55:393:31:0910:0311:52
11:52
+0:26
35K
21.75 mi15:14:393:50:0910:3519:00
25:24
+13:32
23M
23.00 mi15:27:564:03:2610:3513:17
10:37
-14:47
24M
24.00 mi15:39:174:14:4710:3711:21
11:21
+0:44
40K
24.85 mi15:48:094:23:3910:368:52
10:22
-0:59
25.2M
25.20 mi15:52:244:27:5410:384:15
12:19
+1:57
Finish
26.22 mi16:04:474:40:1710:4212:23
12:09
-0:10

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

9:23 /mi

Average Pace

10:42 /mi

Slowest Pace

25:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:21:17

93% of race

Time at Slower Pace

19:00

7% of race

Average Pace: 10:41 /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 mi11:54:0429:349:3129:34
9:31
#21787
10K
6.21 mi12:24:2659:569:3930:22
9:46
#21935
15K
9.32 mi12:53:361:29:069:3429:10
9:23
#21394
20K
12.43 mi13:25:142:00:449:4331:38
10:11
#21237
Half
13.11 mi13:32:462:08:169:477:32
11:02
#21388
25K
15.53 mi13:56:202:31:509:4623:34
9:43
#20893
30K
18.64 mi14:28:153:03:459:5131:55
10:16
#20403
20M
20.00 mi14:43:473:19:179:5815:32
11:26
#20380
21M
21.00 mi14:55:393:31:0910:0311:52
11:52
#20260
35K
21.75 mi15:14:393:50:0910:3519:00
25:24
#21463
23M
23.00 mi15:27:564:03:2610:3513:17
10:37
#21240
24M
24.00 mi15:39:174:14:4710:3711:21
11:21
#21161
40K
24.85 mi15:48:094:23:3910:368:52
10:22
#21003
25.2M
25.20 mi15:52:244:27:5410:384:15
12:19
#20963
Finish
26.22 mi16:04:474:40:1710:4212:23
12:09
#21068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi217878804880420323(Top 80%)7955(Top 73%)7955(Top 171%)
10K6.21 mi3.10 mi21935-1488878-748878-7422039(Top 86%)8933(Top 82%)8933(Top 192%)
15K9.32 mi3.11 mi21394+5418583+2958583+29520323(Top 80%)7955(Top 73%)7955(Top 171%)
20K12.43 mi3.11 mi21237+1578480+1038480+10320990(Top 82%)8350(Top 76%)8350(Top 179%)
Half13.11 mi0.68 mi21388-1518572-928572-9223580(Top 92%)9810(Top 90%)9810(Top 211%)
25K15.53 mi2.42 mi20893+4958323+2498323+24918300(Top 72%)6994(Top 64%)6994(Top 150%)
30K18.64 mi3.11 mi20403+4908100+2238100+22318181(Top 71%)7140(Top 65%)7140(Top 153%)
20M20.00 mi1.36 mi20380+238127-278127-2720258(Top 79%)8359(Top 77%)8359(Top 179%)
21M21.00 mi1.00 mi20260+1208089+388089+3818520(Top 72%)7592(Top 69%)7592(Top 163%)
35K21.75 mi0.75 mi21463-12038745-6568745-65625520(Top 100%)10916(Top 100%)10916(Top 234%)
23M23.00 mi1.25 mi21240+2238659+868659+8617349(Top 68%)7091(Top 65%)7091(Top 152%)
24M24.00 mi1.00 mi21161+798637+228637+2220110(Top 79%)8498(Top 78%)8498(Top 182%)
40K24.85 mi0.85 mi21003+1588564+738564+7316314(Top 64%)6666(Top 61%)6666(Top 143%)
25.2M25.20 mi0.35 mi20963+408549+158549+1518165(Top 71%)7616(Top 70%)7616(Top 163%)
Finish26.22 mi1.02 mi21068-1058619-708619-7023437(Top 92%)10134(Top 93%)10134(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

20323

Females

7955

F18-39

7955

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22039

Females

8933

F18-39

8933

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

20323

Females

7955

F18-39

7955

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

20990

Females

8350

F18-39

8350

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

23580

Females

9810

F18-39

9810

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

18300

Females

6994

F18-39

6994

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18181

Females

7140

F18-39

7140

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20258

Females

8359

F18-39

8359

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

18520

Females

7592

F18-39

7592

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

25520

Females

10916

F18-39

10916

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

17349

Females

7091

F18-39

7091

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20110

Females

8498

F18-39

8498

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16314

Females

6666

F18-39

6666

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18165

Females

7616

F18-39

7616

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

23437

Females

10134

F18-39

10134

Passing Analysis

Category:
Athletes Passed
2806
Passed By
2087
Net Change
+719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21787
5K → 10K168316-148#21787#21935
10K → 15K55413+541#21935#21394
15K → 20K267110+157#21394#21237
20K → Half7158-151#21237#21388
Half → 25K4972+495#21388#20893
25K → 30K50515+490#20893#20403
30K → 20M9875+23#20403#20380
20M → 21M13515+120#20380#20260
21M → 35K31206-1203#20260#21463
35K → 23M2230+223#21463#21240
23M → 24M10526+79#21240#21161
24M → 40K1602+158#21161#21003
40K → 25.2M477+40#21003#20963
25.2M → Finish37142-105#20963#21068
TOTALS28062087+719
📊

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