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BOSTON MARATHON 2024

Sam Zorfas

Bib: 26775•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
27:57
Rank: #20052
Start → 5K
9:00/mi
27:57 split
10K· 6.21 mi
54:41
Rank: #19055 (+997)
5K → 10K
8:36/mi
26:44 split
15K· 9.32 mi
1:21:55
Rank: #18649 (+406)
10K → 15K
8:46/mi
27:14 split
20K· 12.43 mi
1:49:52
Rank: #18209 (+440)
15K → 20K
9:00/mi
27:57 split
Half· 13.11 mi
1:56:01
Rank: #18211 (-2)
20K → Half
9:01/mi
6:09 split
25K· 15.53 mi
2:19:54
Rank: #18328 (-117)
Half → 25K
9:51/mi
23:53 split
30K· 18.64 mi
2:54:28
Rank: #18870 (-542)
25K → 30K
11:08/mi
34:34 split
20M
3:09:21
Rank: #18898 (-28)
30K → 20M
10:57/mi
14:53 split
21M
3:20:58
Rank: #18840 (+58)
20M → 21M
11:37/mi
11:37 split
35K· 21.75 mi
3:29:06
Rank: #18852 (-12)
21M → 35K
10:52/mi
8:08 split
23M
3:43:32
Rank: #18878 (-26)
35K → 23M
11:32/mi
14:26 split
24M
3:54:40
Rank: #18890 (-12)
23M → 24M
11:08/mi
11:08 split
40K· 24.85 mi
4:04:58
Rank: #18950 (-60)
24M → 40K
12:03/mi
10:18 split
25.2M
4:09:36
Rank: #18975 (-25)
40K → 25.2M
13:26/mi
4:38 split
Finish· 26.22 mi
4:19:31
Rank: #18915 (+60)
25.2M → Finish
9:44/mi
9:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:01
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:23:30
Pace10:57 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3327:579:0027:57
9:00
-
10K
6.21 mi12:15:1754:418:4826:44
8:36
-0:24
15K
9.32 mi12:42:311:21:558:4727:14
8:46
+0:10
20K
12.43 mi13:10:281:49:528:5027:57
9:00
+0:14
Half
13.11 mi13:16:371:56:018:516:09
9:01
+0:01
25K
15.53 mi13:40:302:19:549:0023:53
9:51
+0:50
30K
18.64 mi14:15:042:54:289:2234:34
11:08
+1:17
20M
20.00 mi14:29:573:09:219:2814:53
10:57
-0:11
21M
21.00 mi14:41:343:20:589:3411:37
11:37
+0:40
35K
21.75 mi14:49:423:29:069:378:08
10:52
-0:45
23M
23.00 mi15:04:083:43:329:4314:26
11:32
+0:40
24M
24.00 mi15:15:163:54:409:4711:08
11:08
-0:24
40K
24.85 mi15:25:344:04:589:5110:18
12:03
+0:55
25.2M
25.20 mi15:30:124:09:369:544:38
13:26
+1:23
Finish
26.22 mi15:40:074:19:319:549:55
9:44
-3:42

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

8:36 /mi

Average Pace

9:54 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:49

58% of race

Time at Steady Pace

1:23:09

32% of race

Time at Slower Pace

26:33

10% of race

Average Pace: 9:54 /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 mi11:48:3327:579:0027:57
9:00
#20052
10K
6.21 mi12:15:1754:418:4826:44
8:36
#19055
15K
9.32 mi12:42:311:21:558:4727:14
8:46
#18649
20K
12.43 mi13:10:281:49:528:5027:57
9:00
#18209
Half
13.11 mi13:16:371:56:018:516:09
9:01
#18211
25K
15.53 mi13:40:302:19:549:0023:53
9:51
#18328
30K
18.64 mi14:15:042:54:289:2234:34
11:08
#18870
20M
20.00 mi14:29:573:09:219:2814:53
10:57
#18898
21M
21.00 mi14:41:343:20:589:3411:37
11:37
#18840
35K
21.75 mi14:49:423:29:069:378:08
10:52
#18852
23M
23.00 mi15:04:083:43:329:4314:26
11:32
#18878
24M
24.00 mi15:15:163:54:409:4711:08
11:08
#18890
40K
24.85 mi15:25:344:04:589:5110:18
12:03
#18950
25.2M
25.20 mi15:30:124:09:369:544:38
13:26
#18975
Finish
26.22 mi15:40:074:19:319:549:55
9:44
#18915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20052121001210017802(Top 70%)11167(Top 77%)11167(Top 230%)
10K6.21 mi3.10 mi19055+99711653+44711653+44717867(Top 70%)11184(Top 77%)11184(Top 231%)
15K9.32 mi3.11 mi18649+40611502+15111502+15117802(Top 70%)11167(Top 77%)11167(Top 230%)
20K12.43 mi3.11 mi18209+44011322+18011322+18017309(Top 68%)10948(Top 75%)10948(Top 226%)
Half13.11 mi0.68 mi18211-211315+711315+718315(Top 72%)11325(Top 78%)11325(Top 234%)
25K15.53 mi2.42 mi18328-11711337-2211337-2218699(Top 73%)11444(Top 79%)11444(Top 236%)
30K18.64 mi3.11 mi18870-54211532-19511532-19520259(Top 79%)11968(Top 82%)11968(Top 247%)
20M20.00 mi1.36 mi18898-2811512+2011512+2019159(Top 75%)11338(Top 78%)11338(Top 234%)
21M21.00 mi1.00 mi18840+5811458+5411458+5417934(Top 70%)10603(Top 73%)10603(Top 219%)
35K21.75 mi0.75 mi18852-1211451+711451+719499(Top 76%)11378(Top 78%)11378(Top 235%)
23M23.00 mi1.25 mi18878-2611445+611445+619696(Top 77%)11406(Top 78%)11406(Top 235%)
24M24.00 mi1.00 mi18890-1211429+1611429+1619572(Top 77%)11293(Top 77%)11293(Top 233%)
40K24.85 mi0.85 mi18950-6011435-611435-620533(Top 80%)11720(Top 80%)11720(Top 242%)
25.2M25.20 mi0.35 mi18975-2511444-911444-920562(Top 80%)11714(Top 80%)11714(Top 242%)
Finish26.22 mi1.02 mi18915+6011393+5111393+5117471(Top 68%)10190(Top 70%)10190(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17802

Males

11167

M18-39

11167

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17867

Males

11184

M18-39

11184

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17802

Males

11167

M18-39

11167

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17309

Males

10948

M18-39

10948

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

18315

Males

11325

M18-39

11325

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18699

Males

11444

M18-39

11444

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20259

Males

11968

M18-39

11968

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19159

Males

11338

M18-39

11338

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17934

Males

10603

M18-39

10603

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19499

Males

11378

M18-39

11378

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19696

Males

11406

M18-39

11406

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

19572

Males

11293

M18-39

11293

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20533

Males

11720

M18-39

11720

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20562

Males

11714

M18-39

11714

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

17471

Males

10190

M18-39

10190

Passing Analysis

Category:
Athletes Passed
2834
Passed By
1697
Net Change
+1137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20052
5K → 10K101922+997#20052#19055
10K → 15K46054+406#19055#18649
15K → 20K49757+440#18649#18209
20K → Half3840-2#18209#18211
Half → 25K162279-117#18211#18328
25K → 30K99641-542#18328#18870
30K → 20M91119-28#18870#18898
20M → 21M10749+58#18898#18840
21M → 35K5567-12#18840#18852
35K → 23M89115-26#18852#18878
23M → 24M6880-12#18878#18890
24M → 40K42102-60#18890#18950
40K → 25.2M2045-25#18950#18975
25.2M → Finish8727+60#18975#18915
TOTALS28341697+1137
📊

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