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BOSTON MARATHON 2024

Katherine Sims

Bib: 18340•F

KY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 20%
Division (F18-39)
#0 / 4660
Top 35%
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
46:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:09:14
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:32:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:37:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
1:56:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:23:58
↑ 181↓ 1480.2%
20M
8:54/mi
2:36:04
↑ 64↓ 500.2%
21M
9:38/mi
2:45:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:51:44
↑ 17↓ 861.7%
23M
8:04/mi
3:01:50
↑ 23↓ 630.6%
24M
8:06/mi
3:09:56
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:17:04
↓ 200.3%
25.2M
9:17/mi
3:20:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:28:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:23
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:50:53
Pace8:28 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2223:567:4223:56
7:42
-
10K
6.21 mi11:38:0346:377:3022:41
7:18
-0:24
15K
9.32 mi12:00:401:09:147:2622:37
7:17
-0:01
20K
12.43 mi12:23:471:32:217:2623:07
7:26
+0:09
Half
13.11 mi12:28:491:37:237:265:02
7:23
-0:03
25K
15.53 mi12:47:591:56:337:3019:10
7:54
+0:31
30K
18.64 mi13:15:242:23:587:4327:25
8:49
+0:55
20M
20.00 mi13:27:302:36:047:4812:06
8:54
+0:05
21M
21.00 mi13:37:082:45:427:539:38
9:38
+0:44
35K
21.75 mi13:43:102:51:447:546:02
8:04
-1:34
23M
23.00 mi13:53:163:01:507:5410:06
8:04
0:00
24M
24.00 mi14:01:223:09:567:558:06
8:06
+0:02
40K
24.85 mi14:08:303:17:047:567:08
8:21
+0:15
25.2M
25.20 mi14:11:423:20:167:573:12
9:17
+0:56
Finish
26.22 mi14:19:423:28:167:578:00
7:51
-1:26

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

7:17 /mi

Average Pace

7:57 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:23

47% of race

Time at Steady Pace

58:32

28% of race

Time at Slower Pace

52:21

25% of race

Average Pace: 7:57 /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 mi11:15:2223:567:4223:56
7:42
#12353
10K
6.21 mi11:38:0346:377:3022:41
7:18
#10518
15K
9.32 mi12:00:401:09:147:2622:37
7:17
#9566
20K
12.43 mi12:23:471:32:217:2623:07
7:26
#9099
Half
13.11 mi12:28:491:37:237:265:02
7:23
#9048
25K
15.53 mi12:47:591:56:337:3019:10
7:54
#9091
30K
18.64 mi13:15:242:23:587:4327:25
8:49
#9716
20M
20.00 mi13:27:302:36:047:4812:06
8:54
#9812
21M
21.00 mi13:37:082:45:427:539:38
9:38
#9869
35K
21.75 mi13:43:102:51:447:546:02
8:04
#9786
23M
23.00 mi13:53:163:01:507:5410:06
8:04
#9449
24M
24.00 mi14:01:223:09:567:558:06
8:06
#9304
40K
24.85 mi14:08:303:17:047:567:08
8:21
#9219
25.2M
25.20 mi14:11:423:20:167:573:12
9:17
#9162
Finish
26.22 mi14:19:423:28:167:578:00
7:51
#9057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12353332833288037(Top 31%)1283(Top 12%)1283(Top 28%)
10K6.21 mi3.10 mi10518+18352338+9902338+9908706(Top 34%)1516(Top 14%)1516(Top 33%)
15K9.32 mi3.11 mi9566+9521893+4451893+4458037(Top 31%)1283(Top 12%)1283(Top 28%)
20K12.43 mi3.11 mi9099+4671713+1801713+1807955(Top 31%)1365(Top 12%)1365(Top 29%)
Half13.11 mi0.68 mi9048+511700+131700+138311(Top 33%)1513(Top 14%)1513(Top 32%)
25K15.53 mi2.42 mi9091-431749-491749-499578(Top 37%)2276(Top 21%)2276(Top 49%)
30K18.64 mi3.11 mi9716-6252168-4192168-41912322(Top 48%)3897(Top 36%)3897(Top 84%)
20M20.00 mi1.36 mi9812-962282-1142282-11411632(Top 46%)3824(Top 35%)3824(Top 82%)
21M21.00 mi1.00 mi9869-572360-782360-7811407(Top 45%)3948(Top 36%)3948(Top 85%)
35K21.75 mi0.75 mi9786+832363-32363-38204(Top 32%)2318(Top 21%)2318(Top 50%)
23M23.00 mi1.25 mi9449+3372260+1032260+1036111(Top 24%)1502(Top 14%)1502(Top 32%)
24M24.00 mi1.00 mi9304+1452233+272233+277206(Top 28%)2096(Top 19%)2096(Top 45%)
40K24.85 mi0.85 mi9219+852231+22231+27592(Top 30%)2421(Top 22%)2421(Top 52%)
25.2M25.20 mi0.35 mi9162+57223122317850(Top 31%)2588(Top 24%)2588(Top 56%)
Finish26.22 mi1.02 mi9057+1052225+62225+67657(Top 30%)2407(Top 22%)2407(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8037

Females

1283

F18-39

1283

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8706

Females

1516

F18-39

1516

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8037

Females

1283

F18-39

1283

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

7955

Females

1365

F18-39

1365

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8311

Females

1513

F18-39

1513

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9578

Females

2276

F18-39

2276

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12322

Females

3897

F18-39

3897

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11632

Females

3824

F18-39

3824

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11407

Females

3948

F18-39

3948

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8204

Females

2318

F18-39

2318

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6111

Females

1502

F18-39

1502

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7206

Females

2096

F18-39

2096

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7592

Females

2421

F18-39

2421

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7850

Females

2588

F18-39

2588

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7657

Females

2407

F18-39

2407

Passing Analysis

Category:
Athletes Passed
4853*
Passed By
1554
Net Change
+3296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12353
5K → 10K18405+1835#12353#10518
10K → 15K952*0+952#10518#9566
15K → 20K48720+467#9566#9099
20K → Half6413+51#9099#9048
Half → 25K182225-43#9048#9091
25K → 30K116740-625#9091#9716
30K → 20M122217-96#9716#9812
20M → 21M107163-57#9812#9869
21M → 35K12037+83#9869#9786
35K → 23M348*11+337#9786#9449
23M → 24M166*21+145#9449#9304
24M → 40K12843+85#9304#9219
40K → 25.2M7619+57#9219#9162
25.2M → Finish14540+105#9162#9057
TOTALS4853*1554+3296

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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