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BOSTON MARATHON 2024

Sara Krslovic

Bib: 11493•F

NH

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 29%
Gender (Female)
#0 / 10924
Top 14%
Division (F18-39)
#0 / 4660
Top 26%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
45:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:14
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:31:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:36:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:54:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:19:24
↑ 181↓ 1480.2%
20M
8:17/mi
2:30:40
↑ 64↓ 500.2%
21M
8:51/mi
2:39:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:45:20
↑ 17↓ 861.7%
23M
8:29/mi
2:55:57
↑ 23↓ 630.6%
24M
8:10/mi
3:04:07
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:11:19
↓ 200.3%
25.2M
9:14/mi
3:14:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:22:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:16
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1322:577:2322:57
7:23
-
10K
6.21 mi11:12:4345:277:1922:30
7:15
-0:08
15K
9.32 mi11:35:301:08:147:1922:47
7:20
+0:05
20K
12.43 mi11:58:331:31:177:2123:03
7:25
+0:05
Half
13.11 mi12:03:321:36:167:214:59
7:18
-0:07
25K
15.53 mi12:21:511:54:357:2318:19
7:33
+0:15
30K
18.64 mi12:46:402:19:247:2924:49
7:59
+0:26
20M
20.00 mi12:57:562:30:407:3211:16
8:17
+0:18
21M
21.00 mi13:06:472:39:317:368:51
8:51
+0:34
35K
21.75 mi13:12:362:45:207:365:49
7:46
-1:05
23M
23.00 mi13:23:132:55:577:3910:37
8:29
+0:43
24M
24.00 mi13:31:233:04:077:408:10
8:10
-0:19
40K
24.85 mi13:38:353:11:197:427:12
8:25
+0:15
25.2M
25.20 mi13:41:463:14:307:433:11
9:14
+0:49
Finish
26.22 mi13:49:483:22:327:448:02
7:53
-1:21

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

7:15 /mi

Average Pace

7:44 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:35

57% of race

Time at Steady Pace

46:50

23% of race

Time at Slower Pace

41:07

20% of race

Average Pace: 7:43 /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 mi10:50:1322:577:2322:57
7:23
#9835
10K
6.21 mi11:12:4345:277:1922:30
7:15
#9015
15K
9.32 mi11:35:301:08:147:1922:47
7:20
#8773
20K
12.43 mi11:58:331:31:177:2123:03
7:25
#8455
Half
13.11 mi12:03:321:36:167:214:59
7:18
#8415
25K
15.53 mi12:21:511:54:357:2318:19
7:33
#8151
30K
18.64 mi12:46:402:19:247:2924:49
7:59
#7996
20M
20.00 mi12:57:562:30:407:3211:16
8:17
#7965
21M
21.00 mi13:06:472:39:317:368:51
8:51
#7881
35K
21.75 mi13:12:362:45:207:365:49
7:46
#7777
23M
23.00 mi13:23:132:55:577:3910:37
8:29
#7726
24M
24.00 mi13:31:233:04:077:408:10
8:10
#7634
40K
24.85 mi13:38:353:11:197:427:12
8:25
#7604
25.2M
25.20 mi13:41:463:14:307:433:11
9:14
#7571
Finish
26.22 mi13:49:483:22:327:448:02
7:53
#7526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9835195019508402(Top 33%)1425(Top 13%)1425(Top 31%)
10K6.21 mi3.10 mi9015+8201629+3211629+3218235(Top 32%)1328(Top 12%)1328(Top 28%)
15K9.32 mi3.11 mi8773+2421540+891540+898402(Top 33%)1425(Top 13%)1425(Top 31%)
20K12.43 mi3.11 mi8455+3181435+1051435+1057788(Top 30%)1300(Top 12%)1300(Top 28%)
Half13.11 mi0.68 mi8415+401425+101425+107766(Top 30%)1277(Top 12%)1277(Top 27%)
25K15.53 mi2.42 mi8151+2641357+681357+687354(Top 29%)1306(Top 12%)1306(Top 28%)
30K18.64 mi3.11 mi7996+1551399-421399-427799(Top 31%)1691(Top 15%)1691(Top 36%)
20M20.00 mi1.36 mi7965+311425-261425-268339(Top 33%)2148(Top 20%)2148(Top 46%)
21M21.00 mi1.00 mi7881+841437-121437-127859(Top 31%)2108(Top 19%)2108(Top 45%)
35K21.75 mi0.75 mi7777+1041420+171420+176491(Top 25%)1514(Top 14%)1514(Top 32%)
23M23.00 mi1.25 mi7726+511463-431463-438374(Top 33%)2560(Top 23%)2560(Top 55%)
24M24.00 mi1.00 mi7634+921464-11464-17563(Top 30%)2266(Top 21%)2266(Top 49%)
40K24.85 mi0.85 mi7604+301495-311495-317969(Top 31%)2571(Top 24%)2571(Top 55%)
25.2M25.20 mi0.35 mi7571+331506-111506-117635(Top 30%)2474(Top 23%)2474(Top 53%)
Finish26.22 mi1.02 mi7526+451533-271533-277843(Top 31%)2485(Top 23%)2485(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8402

Females

1425

F18-39

1425

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8235

Females

1328

F18-39

1328

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8402

Females

1425

F18-39

1425

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7788

Females

1300

F18-39

1300

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7766

Females

1277

F18-39

1277

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7354

Females

1306

F18-39

1306

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7799

Females

1691

F18-39

1691

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8339

Females

2148

F18-39

2148

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7859

Females

2108

F18-39

2108

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6491

Females

1514

F18-39

1514

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8374

Females

2560

F18-39

2560

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7563

Females

2266

F18-39

2266

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7969

Females

2571

F18-39

2571

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7635

Females

2474

F18-39

2474

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7843

Females

2485

F18-39

2485

Passing Analysis

Category:
Athletes Passed
3206
Passed By
897
Net Change
+2309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9835
5K → 10K84929+820#9835#9015
10K → 15K30664+242#9015#8773
15K → 20K37759+318#8773#8455
20K → Half5010+40#8455#8415
Half → 25K32157+264#8415#8151
25K → 30K337182+155#8151#7996
30K → 20M131100+31#7996#7965
20M → 21M16076+84#7965#7881
21M → 35K12016+104#7881#7777
35K → 23M163112+51#7777#7726
23M → 24M12836+92#7726#7634
24M → 40K9767+30#7634#7604
40K → 25.2M6128+33#7604#7571
25.2M → Finish10661+45#7571#7526
TOTALS3206897+2309
📊

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