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BOSTON MARATHON 2024

Matthew Greenfield

Bib: 4931•M

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Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 29%
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
21:50
Rank: #7200
Start → 5K
21:50 | 7:02/mi
10K· 6.21 mi
42:55
Rank: #6219 (+981)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:04:14
Rank: #5884 (+335)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:25:28
Rank: #5391 (+493)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:30:03
Rank: #5312 (+79)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:46:56
Rank: #4992 (+320)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:10:08
Rank: #4889 (+103)
25K → 30K
23:12 | 7:28/mi
20M
2:20:29
Rank: #4824 (+65)
30K → 20M
10:21 | 7:37/mi
21M
2:28:58
Rank: #4812 (+12)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:34:25
Rank: #4740 (+72)
21M → 35K
5:27 | 7:17/mi
23M
2:44:11
Rank: #4667 (+73)
35K → 23M
9:46 | 7:48/mi
24M
2:51:50
Rank: #4599 (+68)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
2:58:35
Rank: #4537 (+62)
24M → 40K
6:45 | 7:54/mi
25.2M
3:01:44
Rank: #4540 (-3)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:10:37
Rank: #4747 (-207)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:03
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:40:34
Pace7:40 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2021:507:0221:50
7:02
-
10K
6.21 mi11:09:2542:556:5421:05
6:47
-0:15
15K
9.32 mi11:30:441:04:146:5321:19
6:52
+0:05
20K
12.43 mi11:51:581:25:286:5321:14
6:50
-0:02
Half
13.11 mi11:56:331:30:036:524:35
6:43
-0:07
25K
15.53 mi12:13:261:46:566:5316:53
6:58
+0:15
30K
18.64 mi12:36:382:10:086:5923:12
7:28
+0:30
20M
20.00 mi12:46:592:20:297:0110:21
7:37
+0:09
21M
21.00 mi12:55:282:28:587:068:29
8:29
+0:52
35K
21.75 mi13:00:552:34:257:065:27
7:17
-1:12
23M
23.00 mi13:10:412:44:117:089:46
7:48
+0:31
24M
24.00 mi13:18:202:51:507:107:39
7:39
-0:09
40K
24.85 mi13:25:052:58:357:116:45
7:54
+0:15
25.2M
25.20 mi13:28:143:01:447:133:09
9:08
+1:14
Finish
26.22 mi13:37:073:10:377:178:53
8:43
-0:25

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

6:43 /mi

Average Pace

7:17 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:56

56% of race

Time at Steady Pace

56:25

30% of race

Time at Slower Pace

27:16

14% of race

Average Pace: 7:16 /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 mi10:48:2021:507:0221:50
7:02
#7200
10K
6.21 mi11:09:2542:556:5421:05
6:47
#6219
15K
9.32 mi11:30:441:04:146:5321:19
6:52
#5884
20K
12.43 mi11:51:581:25:286:5321:14
6:50
#5391
Half
13.11 mi11:56:331:30:036:524:35
6:43
#5312
25K
15.53 mi12:13:261:46:566:5316:53
6:58
#4992
30K
18.64 mi12:36:382:10:086:5923:12
7:28
#4889
20M
20.00 mi12:46:592:20:297:0110:21
7:37
#4824
21M
21.00 mi12:55:282:28:587:068:29
8:29
#4812
35K
21.75 mi13:00:552:34:257:065:27
7:17
#4740
23M
23.00 mi13:10:412:44:117:089:46
7:48
#4667
24M
24.00 mi13:18:202:51:507:107:39
7:39
#4599
40K
24.85 mi13:25:052:58:357:116:45
7:54
#4537
25.2M
25.20 mi13:28:143:01:447:133:09
9:08
#4540
Finish
26.22 mi13:37:073:10:377:178:53
8:43
#4747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7200629562955274(Top 21%)4828(Top 33%)4828(Top 100%)
10K6.21 mi3.10 mi6219+9815588+7075588+7075062(Top 20%)4679(Top 32%)4679(Top 96%)
15K9.32 mi3.11 mi5884+3355334+2545334+2545274(Top 21%)4828(Top 33%)4828(Top 100%)
20K12.43 mi3.11 mi5391+4934938+3964938+3964137(Top 16%)3859(Top 26%)3859(Top 80%)
Half13.11 mi0.68 mi5312+794870+684870+683949(Top 15%)3697(Top 25%)3697(Top 76%)
25K15.53 mi2.42 mi4992+3204588+2824588+2824166(Top 16%)3835(Top 26%)3835(Top 79%)
30K18.64 mi3.11 mi4889+1034473+1154473+1154924(Top 19%)4294(Top 29%)4294(Top 89%)
20M20.00 mi1.36 mi4824+654403+704403+704802(Top 19%)4116(Top 28%)4116(Top 85%)
21M21.00 mi1.00 mi4812+124373+304373+306119(Top 24%)4744(Top 33%)4744(Top 98%)
35K21.75 mi0.75 mi4740+724303+704303+704108(Top 16%)3535(Top 24%)3535(Top 73%)
23M23.00 mi1.25 mi4667+734214+894214+894794(Top 19%)3855(Top 26%)3855(Top 80%)
24M24.00 mi1.00 mi4599+684130+844130+844765(Top 19%)3771(Top 26%)3771(Top 78%)
40K24.85 mi0.85 mi4537+624057+734057+735235(Top 20%)3925(Top 27%)3925(Top 81%)
25.2M25.20 mi0.35 mi4540-34045+124045+127090(Top 28%)4832(Top 33%)4832(Top 100%)
Finish26.22 mi1.02 mi4747-2074184-1394184-13912680(Top 50%)7841(Top 54%)7841(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5274

Males

4828

M18-39

4828

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5062

Males

4679

M18-39

4679

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5274

Males

4828

M18-39

4828

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4137

Males

3859

M18-39

3859

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3949

Males

3697

M18-39

3697

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4166

Males

3835

M18-39

3835

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4924

Males

4294

M18-39

4294

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4802

Males

4116

M18-39

4116

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6119

Males

4744

M18-39

4744

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4108

Males

3535

M18-39

3535

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4794

Males

3855

M18-39

3855

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4765

Males

3771

M18-39

3771

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5235

Males

3925

M18-39

3925

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7090

Males

4832

M18-39

4832

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12680

Males

7841

M18-39

7841

Passing Analysis

Category:
Athletes Passed
3160
Passed By
707
Net Change
+2453
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7200
5K → 10K9854+981#7200#6219
10K → 15K34813+335#6219#5884
15K → 20K5007+493#5884#5391
20K → Half834+79#5391#5312
Half → 25K34626+320#5312#4992
25K → 30K229126+103#4992#4889
30K → 20M11954+65#4889#4824
20M → 21M9684+12#4824#4812
21M → 35K8311+72#4812#4740
35K → 23M12249+73#4740#4667
23M → 24M10436+68#4667#4599
24M → 40K9432+62#4599#4537
40K → 25.2M3336-3#4537#4540
25.2M → Finish18225-207#4540#4747
TOTALS3160707+2453
📊

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