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BOSTON MARATHON 2024

Leni Clark

Bib: 13945•F

CO

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 49%
Gender (Female)
#0 / 10924
Top 37%
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
26:10
Rank: #17339
Start → 5K
8:25/mi
26:10 split
10K· 6.21 mi
52:37
Rank: #17333 (+6)
5K → 10K
8:31/mi
26:27 split
15K· 9.32 mi
1:19:38
Rank: #17362 (-29)
10K → 15K
8:42/mi
27:01 split
20K· 12.43 mi
1:45:58
Rank: #16570 (+792)
15K → 20K
8:29/mi
26:20 split
Half· 13.11 mi
1:51:29
Rank: #16403 (+167)
20K → Half
8:05/mi
5:31 split
25K· 15.53 mi
2:12:41
Rank: #15979 (+424)
Half → 25K
8:45/mi
21:12 split
30K· 18.64 mi
2:39:45
Rank: #15193 (+786)
25K → 30K
8:43/mi
27:04 split
20M
2:51:01
Rank: #14669 (+524)
30K → 20M
8:17/mi
11:16 split
21M
2:59:35
Rank: #14145 (+524)
20M → 21M
8:34/mi
8:34 split
35K· 21.75 mi
3:05:50
Rank: #13964 (+181)
21M → 35K
8:21/mi
6:15 split
23M
3:16:52
Rank: #13701 (+263)
35K → 23M
8:49/mi
11:02 split
24M
3:24:56
Rank: #13373 (+328)
23M → 24M
8:04/mi
8:04 split
40K· 24.85 mi
3:31:57
Rank: #13082 (+291)
24M → 40K
8:12/mi
7:01 split
25.2M
3:35:06
Rank: #12948 (+134)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:42:38
Rank: #12583 (+365)
25.2M → Finish
7:24/mi
7:32 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1426:108:2526:10
8:25
-
10K
6.21 mi11:24:4152:378:2826:27
8:31
+0:06
15K
9.32 mi11:51:421:19:388:3327:01
8:42
+0:11
20K
12.43 mi12:18:021:45:588:3226:20
8:29
-0:13
Half
13.11 mi12:23:331:51:298:305:31
8:05
-0:24
25K
15.53 mi12:44:452:12:418:3221:12
8:45
+0:40
30K
18.64 mi13:11:492:39:458:3427:04
8:43
-0:02
20M
20.00 mi13:23:052:51:018:3311:16
8:17
-0:26
21M
21.00 mi13:31:392:59:358:338:34
8:34
+0:17
35K
21.75 mi13:37:543:05:508:336:15
8:21
-0:13
23M
23.00 mi13:48:563:16:528:3411:02
8:49
+0:28
24M
24.00 mi13:57:003:24:568:328:04
8:04
-0:45
40K
24.85 mi14:04:013:31:578:327:01
8:12
+0:08
25.2M
25.20 mi14:07:103:35:068:323:09
9:08
+0:56
Finish
26.22 mi14:14:423:42:388:307:32
7:24
-1:44

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

7:24 /mi

Average Pace

8:30 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:24

18% of race

Time at Steady Pace

1:33:46

42% of race

Time at Slower Pace

1:29:28

40% of race

Average Pace: 8:29 /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 mi10:58:1426:108:2526:10
8:25
#17339
10K
6.21 mi11:24:4152:378:2826:27
8:31
#17333
15K
9.32 mi11:51:421:19:388:3327:01
8:42
#17362
20K
12.43 mi12:18:021:45:588:3226:20
8:29
#16570
Half
13.11 mi12:23:331:51:298:305:31
8:05
#16403
25K
15.53 mi12:44:452:12:418:3221:12
8:45
#15979
30K
18.64 mi13:11:492:39:458:3427:04
8:43
#15193
20M
20.00 mi13:23:052:51:018:3311:16
8:17
#14669
21M
21.00 mi13:31:392:59:358:338:34
8:34
#14145
35K
21.75 mi13:37:543:05:508:336:15
8:21
#13964
23M
23.00 mi13:48:563:16:528:3411:02
8:49
#13701
24M
24.00 mi13:57:003:24:568:328:04
8:04
#13373
40K
24.85 mi14:04:013:31:578:327:01
8:12
#13082
25.2M
25.20 mi14:07:103:35:068:323:09
9:08
#12948
Finish
26.22 mi14:14:423:42:388:307:32
7:24
#12583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi173396368636817465(Top 68%)6407(Top 59%)6407(Top 137%)
10K6.21 mi3.10 mi17333+66343+256343+2517367(Top 68%)6343(Top 58%)6343(Top 136%)
15K9.32 mi3.11 mi17362-296354-116354-1117465(Top 68%)6407(Top 59%)6407(Top 137%)
20K12.43 mi3.11 mi16570+7925898+4565898+45614675(Top 57%)4811(Top 44%)4811(Top 103%)
Half13.11 mi0.68 mi16403+1675805+935805+9313345(Top 52%)4109(Top 38%)4109(Top 88%)
25K15.53 mi2.42 mi15979+4245597+2085597+20814290(Top 56%)4764(Top 44%)4764(Top 102%)
30K18.64 mi3.11 mi15193+7865196+4015196+40111765(Top 46%)3613(Top 33%)3613(Top 78%)
20M20.00 mi1.36 mi14669+5244927+2694927+2698369(Top 33%)2178(Top 20%)2178(Top 47%)
21M21.00 mi1.00 mi14145+5244683+2444683+2446573(Top 26%)1547(Top 14%)1547(Top 33%)
35K21.75 mi0.75 mi13964+1814609+744609+749937(Top 39%)3203(Top 29%)3203(Top 69%)
23M23.00 mi1.25 mi13701+2634522+874522+8710191(Top 40%)3499(Top 32%)3499(Top 75%)
24M24.00 mi1.00 mi13373+3284386+1364386+1367042(Top 28%)2032(Top 19%)2032(Top 44%)
40K24.85 mi0.85 mi13082+2914269+1174269+1176878(Top 27%)2080(Top 19%)2080(Top 45%)
25.2M25.20 mi0.35 mi12948+1344212+574212+577275(Top 28%)2342(Top 21%)2342(Top 50%)
Finish26.22 mi1.02 mi12583+3654055+1574055+1575048(Top 20%)1232(Top 11%)1232(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17465

Females

6407

F18-39

6407

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17367

Females

6343

F18-39

6343

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17465

Females

6407

F18-39

6407

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14675

Females

4811

F18-39

4811

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13345

Females

4109

F18-39

4109

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14290

Females

4764

F18-39

4764

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11765

Females

3613

F18-39

3613

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8369

Females

2178

F18-39

2178

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6573

Females

1547

F18-39

1547

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9937

Females

3203

F18-39

3203

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10191

Females

3499

F18-39

3499

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7042

Females

2032

F18-39

2032

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6878

Females

2080

F18-39

2080

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7275

Females

2342

F18-39

2342

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5048

Females

1232

F18-39

1232

Passing Analysis

Category:
Athletes Passed
5383
Passed By
627
Net Change
+4756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17339
5K → 10K278272+6#17339#17333
10K → 15K242271-29#17333#17362
15K → 20K80513+792#17362#16570
20K → Half1681+167#16570#16403
Half → 25K46238+424#16403#15979
25K → 30K7915+786#15979#15193
30K → 20M5240+524#15193#14669
20M → 21M5240+524#14669#14145
21M → 35K1876+181#14145#13964
35K → 23M28118+263#13964#13701
23M → 24M3280+328#13701#13373
24M → 40K2921+291#13373#13082
40K → 25.2M1362+134#13082#12948
25.2M → Finish3650+365#12948#12583
TOTALS5383627+4756
📊

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