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BOSTON MARATHON 2024

David Kroll

CA

Bib: 6425 M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 21%
Gender (Male)
#0 / 14578
Top 32%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:50/mi
21:14
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:45/mi
42:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:47/mi
1:03:17
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:56/mi
1:24:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:52/mi
1:29:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:04/mi
1:46:38
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:03/mi
2:11:38
↑ 181↓ 1480.2%
138 ft elev
20M
8:12/mi
2:22:47
↑ 64↓ 500.2%
148 ft elev
21M
10:03/mi
2:32:50
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:04/mi
2:38:52
↑ 17↓ 861.7%
156 ft elev
23M
8:06/mi
2:49:00
↑ 23↓ 630.6%
116 ft elev
24M
7:40/mi
2:56:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:41/mi
3:03:14
↓ 200.3%
20 ft elev
25.2M
9:20/mi
3:06:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:16/mi
3:13:51
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:29:296:50 /mi⚡ faster
2nd Half
1:44:227:58 /mi+16.6%
Positive split — 16.6% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1321:146:5021:14
6:50
-
10K
6.21 mi10:47:1042:116:4720:57
6:45
-0:05
15K
9.32 mi11:08:161:03:176:4721:06
6:47
+0:02
20K
12.43 mi11:29:471:24:486:4921:31
6:56
+0:09
Half
13.11 mi11:34:281:29:296:504:41
6:52
-0:04
25K
15.53 mi11:51:371:46:386:5217:09
7:04
+0:12
30K
18.64 mi12:16:372:11:387:0425:00
8:03
+0:59
20M
20.00 mi12:27:462:22:477:0811:09
8:12
+0:09
21M
21.00 mi12:37:492:32:507:1710:03
10:03
+1:51
35K
21.75 mi12:43:512:38:527:186:02
8:04
-1:59
23M
23.00 mi12:53:592:49:007:2110:08
8:06
+0:02
24M
24.00 mi13:01:392:56:407:227:40
7:40
-0:26
40K
24.85 mi13:08:133:03:147:226:34
7:41
+0:01
25.2M
25.20 mi13:11:263:06:277:243:13
9:20
+1:39
Finish
26.22 mi13:18:503:13:517:247:24
7:16
-2:04

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

6:45 /mi

Average Pace

7:24 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:38

55% of race

Time at Steady Pace

1:02:48

32% of race

Time at Slower Pace

24:25

13% of race

Average Pace: 7:24 /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 mi10:26:1321:146:5021:14
6:50
#5920
10K
6.21 mi10:47:1042:116:4720:57
6:45
#5318
15K
9.32 mi11:08:161:03:176:4721:06
6:47
#5085
20K
12.43 mi11:29:471:24:486:4921:31
6:56
#4954
Half
13.11 mi11:34:281:29:296:504:41
6:52
#4953
25K
15.53 mi11:51:371:46:386:5217:09
7:04
#4865
30K
18.64 mi12:16:372:11:387:0425:00
8:03
#5362
20M
20.00 mi12:27:462:22:477:0811:09
8:12
#5465
21M
21.00 mi12:37:492:32:507:1710:03
10:03
#5842
35K
21.75 mi12:43:512:38:527:186:02
8:04
#5866
23M
23.00 mi12:53:592:49:007:2110:08
8:06
#5787
24M
24.00 mi13:01:392:56:407:227:40
7:40
#5685
40K
24.85 mi13:08:133:03:147:226:34
7:41
#5537
25.2M
25.20 mi13:11:263:06:277:243:13
9:20
#5549
Finish
26.22 mi13:18:503:13:517:247:24
7:16
#5430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi592053855385464743194319
10K6.21 mi3.10 mi5318+6024898+4874898+487469243624362
15K9.32 mi3.11 mi5085+2334704+1944704+194464743194319
20K12.43 mi3.11 mi4954+1314586+1184586+118480244074407
Half13.11 mi0.68 mi4953+14583+34583+3495345304530
25K15.53 mi2.42 mi4865+884489+944489+94470042584258
30K18.64 mi3.11 mi5362-4974832-3434832-343811262746274
20M20.00 mi1.36 mi5465-1034878-464878-46783059025902
21M21.00 mi1.00 mi5842-3775122-2445122-2441313282338233
35K21.75 mi0.75 mi5866-245120+25120+2813258145814
23M23.00 mi1.25 mi5787+795026+945026+94621046484648
24M24.00 mi1.00 mi5685+1024928+984928+98484638183818
40K24.85 mi0.85 mi5537+1484794+1344794+134424533533353
25.2M25.20 mi0.35 mi5549-124784+104784+10794152735273
Finish26.22 mi1.02 mi5430+1194671+1134671+113431233983398

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4647

Males

4319

M18-39

4319

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4692

Males

4362

M18-39

4362

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4647

Males

4319

M18-39

4319

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

4802

Males

4407

M18-39

4407

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

4953

Males

4530

M18-39

4530

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4700

Males

4258

M18-39

4258

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8112

Males

6274

M18-39

6274

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

7830

Males

5902

M18-39

5902

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13132

Males

8233

M18-39

8233

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8132

Males

5814

M18-39

5814

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6210

Males

4648

M18-39

4648

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4846

Males

3818

M18-39

3818

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4245

Males

3353

M18-39

3353

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7941

Males

5273

M18-39

5273

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4312

Males

3398

M18-39

3398

Passing Analysis

Category:
Athletes Passed
2180
Passed By
1690
Net Change
+490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5920
5K → 10K62119+602#5920#5318
10K → 15K27441+233#5318#5085
15K → 20K22392+131#5085#4954
20K → Half3130+1#4954#4953
Half → 25K212124+88#4953#4865
25K → 30K70567-497#4865#5362
30K → 20M67170-103#5362#5465
20M → 21M27404-377#5465#5842
21M → 35K6488-24#5842#5866
35K → 23M14162+79#5866#5787
23M → 24M12624+102#5787#5685
24M → 40K15810+148#5685#5537
40K → 25.2M3345-12#5537#5549
25.2M → Finish13314+119#5549#5430
TOTALS21801690+490

Passing Charts

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