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BOSTON MARATHON 2024

Katherine Kulovitz

Bib: 26927•F

NC

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
27:49
Rank: #19879
Start → 5K
8:57/mi
27:49 split
10K· 6.21 mi
55:16
Rank: #19468 (+411)
5K → 10K
8:50/mi
27:27 split
15K· 9.32 mi
1:23:20
Rank: #19320 (+148)
10K → 15K
9:02/mi
28:04 split
20K· 12.43 mi
1:52:20
Rank: #19146 (+174)
15K → 20K
9:20/mi
29:00 split
Half· 13.11 mi
1:58:48
Rank: #19188 (-42)
20K → Half
9:29/mi
6:28 split
25K· 15.53 mi
2:22:56
Rank: #19160 (+28)
Half → 25K
9:57/mi
24:08 split
30K· 18.64 mi
2:54:57
Rank: #18968 (+192)
25K → 30K
10:18/mi
32:01 split
20M
3:11:55
Rank: #19338 (-370)
30K → 20M
12:29/mi
16:58 split
21M
3:22:18
Rank: #19035 (+303)
20M → 21M
10:23/mi
10:23 split
35K· 21.75 mi
3:31:30
Rank: #19194 (-159)
21M → 35K
12:18/mi
9:12 split
23M
3:47:38
Rank: #19431 (-237)
35K → 23M
12:53/mi
16:08 split
24M
3:58:32
Rank: #19388 (+43)
23M → 24M
10:54/mi
10:54 split
40K· 24.85 mi
4:07:44
Rank: #19300 (+88)
24M → 40K
10:46/mi
9:12 split
25.2M
4:11:39
Rank: #19233 (+67)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
4:21:43
Rank: #19165 (+68)
25.2M → Finish
9:53/mi
10:04 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:48
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:22:55
Pace10:54 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1627:498:5727:49
8:57
-
10K
6.21 mi12:12:4355:168:5427:27
8:50
-0:07
15K
9.32 mi12:40:471:23:208:5628:04
9:02
+0:12
20K
12.43 mi13:09:471:52:209:0229:00
9:20
+0:18
Half
13.11 mi13:16:151:58:489:046:28
9:29
+0:09
25K
15.53 mi13:40:232:22:569:1224:08
9:57
+0:28
30K
18.64 mi14:12:242:54:579:2332:01
10:18
+0:21
20M
20.00 mi14:29:223:11:559:3616:58
12:29
+2:11
21M
21.00 mi14:39:453:22:189:3810:23
10:23
-2:06
35K
21.75 mi14:48:573:31:309:449:12
12:18
+1:55
23M
23.00 mi15:05:053:47:389:5416:08
12:53
+0:35
24M
24.00 mi15:15:593:58:329:5610:54
10:54
-1:59
40K
24.85 mi15:25:114:07:449:589:12
10:46
-0:08
25.2M
25.20 mi15:29:064:11:399:593:55
11:21
+0:35
Finish
26.22 mi15:39:104:21:439:5910:04
9:53
-1:28

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

8:50 /mi

Average Pace

9:59 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:48

45% of race

Time at Steady Pace

1:36:42

37% of race

Time at Slower Pace

46:13

18% of race

Average Pace: 9:59 /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 mi11:45:1627:498:5727:49
8:57
#19879
10K
6.21 mi12:12:4355:168:5427:27
8:50
#19468
15K
9.32 mi12:40:471:23:208:5628:04
9:02
#19320
20K
12.43 mi13:09:471:52:209:0229:00
9:20
#19146
Half
13.11 mi13:16:151:58:489:046:28
9:29
#19188
25K
15.53 mi13:40:232:22:569:1224:08
9:57
#19160
30K
18.64 mi14:12:242:54:579:2332:01
10:18
#18968
20M
20.00 mi14:29:223:11:559:3616:58
12:29
#19338
21M
21.00 mi14:39:453:22:189:3810:23
10:23
#19035
35K
21.75 mi14:48:573:31:309:449:12
12:18
#19194
23M
23.00 mi15:05:053:47:389:5416:08
12:53
#19431
24M
24.00 mi15:15:593:58:329:5610:54
10:54
#19388
40K
24.85 mi15:25:114:07:449:589:12
10:46
#19300
25.2M
25.20 mi15:29:064:11:399:593:55
11:21
#19233
Finish
26.22 mi15:39:104:21:439:5910:04
9:53
#19165
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi198797818781819064(Top 75%)7285(Top 67%)7285(Top 156%)
10K6.21 mi3.10 mi19468+4117571+2477571+24719033(Top 74%)7310(Top 67%)7310(Top 157%)
15K9.32 mi3.11 mi19320+1487466+1057466+10519064(Top 75%)7285(Top 67%)7285(Top 156%)
20K12.43 mi3.11 mi19146+1747379+877379+8718658(Top 73%)7083(Top 65%)7083(Top 152%)
Half13.11 mi0.68 mi19188-427402-237402-2320029(Top 78%)7886(Top 72%)7886(Top 169%)
25K15.53 mi2.42 mi19160+287392+107392+1018993(Top 74%)7364(Top 67%)7364(Top 158%)
30K18.64 mi3.11 mi18968+1927352+407352+4018265(Top 71%)7185(Top 66%)7185(Top 154%)
20M20.00 mi1.36 mi19338-3707594-2427594-24222152(Top 87%)9329(Top 85%)9329(Top 200%)
21M21.00 mi1.00 mi19035+3037453+1417453+14114485(Top 57%)5568(Top 51%)5568(Top 119%)
35K21.75 mi0.75 mi19194-1597541-887541-8822288(Top 87%)9489(Top 87%)9489(Top 204%)
23M23.00 mi1.25 mi19431-2377698-1577698-15722365(Top 88%)9537(Top 87%)9537(Top 205%)
24M24.00 mi1.00 mi19388+437691+77691+718973(Top 74%)7944(Top 73%)7944(Top 170%)
40K24.85 mi0.85 mi19300+887659+327659+3217468(Top 68%)7257(Top 66%)7257(Top 156%)
25.2M25.20 mi0.35 mi19233+677629+307629+3015702(Top 61%)6403(Top 59%)6403(Top 137%)
Finish26.22 mi1.02 mi19165+687616+137616+1318003(Top 70%)7507(Top 69%)7507(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19064

Females

7285

F18-39

7285

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19033

Females

7310

F18-39

7310

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19064

Females

7285

F18-39

7285

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

18658

Females

7083

F18-39

7083

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20029

Females

7886

F18-39

7886

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

18993

Females

7364

F18-39

7364

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18265

Females

7185

F18-39

7185

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

22152

Females

9329

F18-39

9329

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

14485

Females

5568

F18-39

5568

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

22288

Females

9489

F18-39

9489

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

22365

Females

9537

F18-39

9537

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

18973

Females

7944

F18-39

7944

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

17468

Females

7257

F18-39

7257

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15702

Females

6403

F18-39

6403

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18003

Females

7507

F18-39

7507

Passing Analysis

Category:
Athletes Passed
2459
Passed By
1745
Net Change
+714
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19879
5K → 10K511100+411#19879#19468
10K → 15K298150+148#19468#19320
15K → 20K336162+174#19320#19146
20K → Half2365-42#19146#19188
Half → 25K209181+28#19188#19160
25K → 30K324132+192#19160#18968
30K → 20M30400-370#18968#19338
20M → 21M3085+303#19338#19035
21M → 35K27186-159#19035#19194
35K → 23M38275-237#19194#19431
23M → 24M9047+43#19431#19388
24M → 40K10214+88#19388#19300
40K → 25.2M681+67#19300#19233
25.2M → Finish9527+68#19233#19165
TOTALS24591745+714
📊

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