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BOSTON MARATHON 2024

Drew Siflinger

Bib: 25161•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:47
Rank: #21016
Start → 5K
28:47 | 9:16/mi
10K· 6.21 mi
57:05
Rank: #20600 (+416)
5K → 10K
28:18 | 9:07/mi
15K· 9.32 mi
1:25:58
Rank: #20395 (+205)
10K → 15K
28:53 | 9:18/mi
20K· 12.43 mi
1:55:39
Rank: #20128 (+267)
15K → 20K
29:41 | 9:33/mi
Half· 13.11 mi
2:02:01
Rank: #20099 (+29)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:25:29
Rank: #19734 (+365)
Half → 25K
23:28 | 9:41/mi
30K· 18.64 mi
2:56:36
Rank: #19285 (+449)
25K → 30K
31:07 | 10:01/mi
20M
3:10:46
Rank: #19141 (+144)
30K → 20M
14:10 | 10:25/mi
21M
3:24:24
Rank: #19351 (-210)
20M → 21M
13:38 | 13:38/mi
35K· 21.75 mi
3:39:18
Rank: #20220 (-869)
21M → 35K
14:54 | 19:55/mi
23M
3:51:07
Rank: #19863 (+357)
35K → 23M
11:49 | 9:26/mi
24M
4:01:13
Rank: #19706 (+157)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
4:10:05
Rank: #19576 (+130)
24M → 40K
8:52 | 10:22/mi
25.2M
4:13:59
Rank: #19503 (+73)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
4:23:41
Rank: #19386 (+117)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:01
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:21:40
Pace10:48 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1928:479:1628:47
9:16
-
10K
6.21 mi12:15:3757:059:1128:18
9:07
-0:09
15K
9.32 mi12:44:301:25:589:1328:53
9:18
+0:11
20K
12.43 mi13:14:111:55:399:1829:41
9:33
+0:15
Half
13.11 mi13:20:332:02:019:186:22
9:20
-0:13
25K
15.53 mi13:44:012:25:299:2223:28
9:41
+0:21
30K
18.64 mi14:15:082:56:369:2831:07
10:01
+0:20
20M
20.00 mi14:29:183:10:469:3214:10
10:25
+0:24
21M
21.00 mi14:42:563:24:249:4413:38
13:38
+3:13
35K
21.75 mi14:57:503:39:1810:0514:54
19:55
+6:17
23M
23.00 mi15:09:393:51:0710:0311:49
9:26
-10:29
24M
24.00 mi15:19:454:01:1310:0310:06
10:06
+0:40
40K
24.85 mi15:28:374:10:0510:048:52
10:22
+0:16
25.2M
25.20 mi15:32:314:13:5910:053:54
11:19
+0:57
Finish
26.22 mi15:42:134:23:4110:049:42
9:31
-1:48

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

9:07 /mi

Average Pace

10:04 /mi

Slowest Pace

19:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:51:15

88% of race

Time at Slower Pace

32:26

12% of race

Average Pace: 10:03 /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 mi11:47:1928:479:1628:47
9:16
#21016
10K
6.21 mi12:15:3757:059:1128:18
9:07
#20600
15K
9.32 mi12:44:301:25:589:1328:53
9:18
#20395
20K
12.43 mi13:14:111:55:399:1829:41
9:33
#20128
Half
13.11 mi13:20:332:02:019:186:22
9:20
#20099
25K
15.53 mi13:44:012:25:299:2223:28
9:41
#19734
30K
18.64 mi14:15:082:56:369:2831:07
10:01
#19285
20M
20.00 mi14:29:183:10:469:3214:10
10:25
#19141
21M
21.00 mi14:42:563:24:249:4413:38
13:38
#19351
35K
21.75 mi14:57:503:39:1810:0514:54
19:55
#20220
23M
23.00 mi15:09:393:51:0710:0311:49
9:26
#19863
24M
24.00 mi15:19:454:01:1310:0310:06
10:06
#19706
40K
24.85 mi15:28:374:10:0510:048:52
10:22
#19576
25.2M
25.20 mi15:32:314:13:5910:053:54
11:19
#19503
Finish
26.22 mi15:42:134:23:4110:049:42
9:31
#19386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21016125591255920010(Top 78%)12175(Top 84%)12175(Top 251%)
10K6.21 mi3.10 mi20600+41612387+17212387+17220182(Top 79%)12218(Top 84%)12218(Top 252%)
15K9.32 mi3.11 mi20395+20512317+7012317+7020010(Top 78%)12175(Top 84%)12175(Top 251%)
20K12.43 mi3.11 mi20128+26712202+11512202+11519373(Top 76%)11857(Top 81%)11857(Top 245%)
Half13.11 mi0.68 mi20099+2912179+2312179+2319494(Top 76%)11854(Top 81%)11854(Top 244%)
25K15.53 mi2.42 mi19734+36511985+19411985+19418128(Top 71%)11190(Top 77%)11190(Top 231%)
30K18.64 mi3.11 mi19285+44911715+27011715+27017402(Top 68%)10636(Top 73%)10636(Top 219%)
20M20.00 mi1.36 mi19141+14411617+9811617+9817771(Top 70%)10645(Top 73%)10645(Top 220%)
21M21.00 mi1.00 mi19351-21011695-7811695-7821791(Top 85%)12549(Top 86%)12549(Top 259%)
35K21.75 mi0.75 mi20220-86912092-39712092-39725476(Top 100%)14529(Top 100%)14529(Top 300%)
23M23.00 mi1.25 mi19863+35711902+19011902+19013242(Top 52%)8190(Top 56%)8190(Top 169%)
24M24.00 mi1.00 mi19706+15711812+9011812+9016649(Top 65%)9853(Top 68%)9853(Top 203%)
40K24.85 mi0.85 mi19576+13011727+8511727+8516275(Top 64%)9609(Top 66%)9609(Top 198%)
25.2M25.20 mi0.35 mi19503+7311688+3911688+3915486(Top 61%)9189(Top 63%)9189(Top 190%)
Finish26.22 mi1.02 mi19386+11711622+6611622+6616605(Top 65%)9757(Top 67%)9757(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20010

Males

12175

M18-39

12175

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

20182

Males

12218

M18-39

12218

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20010

Males

12175

M18-39

12175

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

19373

Males

11857

M18-39

11857

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19494

Males

11854

M18-39

11854

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18128

Males

11190

M18-39

11190

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17402

Males

10636

M18-39

10636

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

17771

Males

10645

M18-39

10645

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

21791

Males

12549

M18-39

12549

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

25476

Males

14529

M18-39

14529

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13242

Males

8190

M18-39

8190

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

16649

Males

9853

M18-39

9853

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16275

Males

9609

M18-39

9609

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15486

Males

9189

M18-39

9189

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16605

Males

9757

M18-39

9757

Passing Analysis

Category:
Athletes Passed
3143
Passed By
1513
Net Change
+1630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21016
5K → 10K50185+416#21016#20600
10K → 15K307102+205#20600#20395
15K → 20K34477+267#20395#20128
20K → Half4415+29#20128#20099
Half → 25K39025+365#20099#19734
25K → 30K47930+449#19734#19285
30K → 20M17127+144#19285#19141
20M → 21M36246-210#19141#19351
21M → 35K4873-869#19351#20220
35K → 23M3570+357#20220#19863
23M → 24M1658+157#19863#19706
24M → 40K14010+130#19706#19576
40K → 25.2M785+73#19576#19503
25.2M → Finish12710+117#19503#19386
TOTALS31431513+1630
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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