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BOSTON MARATHON 2024

Jeffrey Kreafle

Bib: 28411•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:05/mi
31:21
↑ 97↓ 3451.5%
10K· 6.21 mi
10:12/mi
1:03:03
↑ 79↓ 1380.4%
15K· 9.32 mi
10:03/mi
1:34:16
↑ 67↓ 78
20K· 12.43 mi
10:16/mi
2:06:10
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:13:11
↑ 19↓ 370.5%
25K· 15.53 mi
10:41/mi
2:39:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:53/mi
3:12:55
↑ 181↓ 1480.2%
20M
10:55/mi
3:27:45
↑ 64↓ 500.2%
21M
12:58/mi
3:40:43
↑ 106↓ 241.6%
35K· 21.75 mi
11:10/mi
3:49:04
↑ 17↓ 861.7%
23M
11:08/mi
4:03:00
↑ 23↓ 630.6%
24M
11:08/mi
4:14:08
↓ 821.3%
40K· 24.85 mi
11:34/mi
4:24:01
↓ 200.3%
25.2M
12:31/mi
4:28:20
↑ 13↓ 160.2%
Finish· 26.22 mi
10:06/mi
4:38:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:11
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:25:27
Pace11:06 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5931:2110:0531:21
10:05
-
10K
6.21 mi12:23:411:03:0310:0931:42
10:12
+0:07
15K
9.32 mi12:54:541:34:1610:0731:13
10:03
-0:09
20K
12.43 mi13:26:482:06:1010:0931:54
10:16
+0:13
Half
13.11 mi13:33:492:13:1110:107:01
10:17
+0:01
25K
15.53 mi13:59:442:39:0610:1525:55
10:41
+0:24
30K
18.64 mi14:33:333:12:5510:2133:49
10:53
+0:12
20M
20.00 mi14:48:233:27:4510:2314:50
10:55
+0:02
21M
21.00 mi15:01:213:40:4310:3112:58
12:58
+2:03
35K
21.75 mi15:09:423:49:0410:328:21
11:10
-1:48
23M
23.00 mi15:23:384:03:0010:3413:56
11:08
-0:02
24M
24.00 mi15:34:464:14:0810:3511:08
11:08
0:00
40K
24.85 mi15:44:394:24:0110:379:53
11:34
+0:26
25.2M
25.20 mi15:48:584:28:2010:394:19
12:31
+0:57
Finish
26.22 mi15:59:164:38:3810:3810:18
10:06
-2:25

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

10:03 /mi

Average Pace

10:38 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:29

51% of race

Time at Steady Pace

1:47:59

39% of race

Time at Slower Pace

27:10

10% of race

Average Pace: 10:38 /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 mi11:51:5931:2110:0531:21
10:05
#23181
10K
6.21 mi12:23:411:03:0310:0931:42
10:12
#23080
15K
9.32 mi12:54:541:34:1610:0731:13
10:03
#22738
20K
12.43 mi13:26:482:06:1010:0931:54
10:16
#22329
Half
13.11 mi13:33:492:13:1110:107:01
10:17
#22321
25K
15.53 mi13:59:442:39:0610:1525:55
10:41
#22070
30K
18.64 mi14:33:333:12:5510:2133:49
10:53
#21624
20M
20.00 mi14:48:233:27:4510:2314:50
10:55
#21405
21M
21.00 mi15:01:213:40:4310:3112:58
12:58
#21393
35K
21.75 mi15:09:423:49:0410:328:21
11:10
#21328
23M
23.00 mi15:23:384:03:0010:3413:56
11:08
#21184
24M
24.00 mi15:34:464:14:0810:3511:08
11:08
#21086
40K
24.85 mi15:44:394:24:0110:379:53
11:34
#21027
25.2M
25.20 mi15:48:584:28:2010:394:19
12:31
#21009
Finish
26.22 mi15:59:164:38:3810:3810:18
10:06
#20914
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23181136421364222037(Top 86%)13094(Top 90%)13094(Top 677%)
10K6.21 mi3.10 mi23080+10113574+6813574+6822981(Top 90%)13511(Top 93%)13511(Top 698%)
15K9.32 mi3.11 mi22738+34213420+15413420+15422037(Top 86%)13094(Top 90%)13094(Top 677%)
20K12.43 mi3.11 mi22329+40913204+21613204+21621157(Top 83%)12669(Top 87%)12669(Top 655%)
Half13.11 mi0.68 mi22321+813197+713197+722187(Top 87%)13082(Top 90%)13082(Top 676%)
25K15.53 mi2.42 mi22070+25113059+13813059+13820850(Top 82%)12420(Top 85%)12420(Top 642%)
30K18.64 mi3.11 mi21624+44612808+25112808+25119718(Top 77%)11715(Top 80%)11715(Top 605%)
20M20.00 mi1.36 mi21405+21912675+13312675+13319079(Top 75%)11296(Top 77%)11296(Top 584%)
21M21.00 mi1.00 mi21393+1212655+2012655+2020665(Top 81%)11976(Top 82%)11976(Top 619%)
35K21.75 mi0.75 mi21328+6512608+4712608+4720136(Top 79%)11684(Top 80%)11684(Top 604%)
23M23.00 mi1.25 mi21184+14412507+10112507+10118778(Top 73%)10961(Top 75%)10961(Top 566%)
24M24.00 mi1.00 mi21086+9812443+6412443+6419583(Top 77%)11304(Top 78%)11304(Top 584%)
40K24.85 mi0.85 mi21027+5912405+3812405+3819464(Top 76%)11187(Top 77%)11187(Top 578%)
25.2M25.20 mi0.35 mi21009+1812392+1312392+1318557(Top 73%)10730(Top 74%)10730(Top 555%)
Finish26.22 mi1.02 mi20914+9512337+5512337+5518775(Top 73%)10872(Top 75%)10872(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22037

Males

13094

M50-54

13094

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

22981

Males

13511

M50-54

13511

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22037

Males

13094

M50-54

13094

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

21157

Males

12669

M50-54

12669

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22187

Males

13082

M50-54

13082

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

20850

Males

12420

M50-54

12420

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

19718

Males

11715

M50-54

11715

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19079

Males

11296

M50-54

11296

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20665

Males

11976

M50-54

11976

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20136

Males

11684

M50-54

11684

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

18778

Males

10961

M50-54

10961

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

19583

Males

11304

M50-54

11304

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19464

Males

11187

M50-54

11187

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

18557

Males

10730

M50-54

10730

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

18775

Males

10872

M50-54

10872

Passing Analysis

Category:
Athletes Passed
2702
Passed By
435
Net Change
+2267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23181
5K → 10K261160+101#23181#23080
10K → 15K37028+342#23080#22738
15K → 20K43223+409#22738#22329
20K → Half3022+8#22329#22321
Half → 25K27221+251#22321#22070
25K → 30K46721+446#22070#21624
30K → 20M2256+219#21624#21405
20M → 21M7664+12#21405#21393
21M → 35K8621+65#21393#21328
35K → 23M15410+144#21328#21184
23M → 24M11820+98#21184#21086
24M → 40K8122+59#21086#21027
40K → 25.2M268+18#21027#21009
25.2M → Finish1049+95#21009#20914
TOTALS2702435+2267
📊

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