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BOSTON MARATHON 2024

David Jeffrey

Bib: 4611•M

ME

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 30%
Gender (Male)
#0 / 14578
Top 41%
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
20:59
Rank: #5271
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
42:02
Rank: #5119 (+152)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:03:15
Rank: #5056 (+63)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:26:25
Rank: #5880 (-824)
15K → 20K
23:10 | 7:27/mi
Half· 13.11 mi
1:31:24
Rank: #5955 (-75)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:50:23
Rank: #6374 (-419)
Half → 25K
18:59 | 7:50/mi
30K· 18.64 mi
2:15:30
Rank: #6597 (-223)
25K → 30K
25:07 | 8:05/mi
20M
2:27:01
Rank: #6727 (-130)
30K → 20M
11:31 | 8:28/mi
21M
2:37:12
Rank: #7141 (-414)
20M → 21M
10:11 | 10:11/mi
35K· 21.75 mi
2:43:00
Rank: #7033 (+108)
21M → 35K
5:48 | 7:45/mi
23M
2:54:07
Rank: #7187 (-154)
35K → 23M
11:07 | 8:53/mi
24M
3:03:13
Rank: #7390 (-203)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:10:52
Rank: #7480 (-90)
24M → 40K
7:39 | 8:57/mi
25.2M
3:14:13
Rank: #7483 (-3)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:22:35
Rank: #7539 (-56)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:24
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:51:11
Pace8:29 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5220:596:4520:59
6:45
-
10K
6.21 mi10:45:5542:026:4621:03
6:47
+0:02
15K
9.32 mi11:07:081:03:156:4721:13
6:50
+0:03
20K
12.43 mi11:30:181:26:256:5723:10
7:27
+0:37
Half
13.11 mi11:35:171:31:246:584:59
7:18
-0:09
25K
15.53 mi11:54:161:50:237:0618:59
7:50
+0:32
30K
18.64 mi12:19:232:15:307:1625:07
8:05
+0:15
20M
20.00 mi12:30:542:27:017:2111:31
8:28
+0:23
21M
21.00 mi12:41:052:37:127:2910:11
10:11
+1:43
35K
21.75 mi12:46:532:43:007:305:48
7:45
-2:26
23M
23.00 mi12:58:002:54:077:3411:07
8:53
+1:08
24M
24.00 mi13:07:063:03:137:389:06
9:06
+0:13
40K
24.85 mi13:14:453:10:527:417:39
8:57
-0:09
25.2M
25.20 mi13:18:063:14:137:423:21
9:43
+0:46
Finish
26.22 mi13:26:283:22:357:448:22
8:13
-1:30

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

7:44 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:24

45% of race

Time at Steady Pace

1:09:47

34% of race

Time at Slower Pace

41:24

20% of race

Average Pace: 7:44 /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 mi10:24:5220:596:4520:59
6:45
#5271
10K
6.21 mi10:45:5542:026:4621:03
6:47
#5119
15K
9.32 mi11:07:081:03:156:4721:13
6:50
#5056
20K
12.43 mi11:30:181:26:256:5723:10
7:27
#5880
Half
13.11 mi11:35:171:31:246:584:59
7:18
#5955
25K
15.53 mi11:54:161:50:237:0618:59
7:50
#6374
30K
18.64 mi12:19:232:15:307:1625:07
8:05
#6597
20M
20.00 mi12:30:542:27:017:2111:31
8:28
#6727
21M
21.00 mi12:41:052:37:127:2910:11
10:11
#7141
35K
21.75 mi12:46:532:43:007:305:48
7:45
#7033
23M
23.00 mi12:58:002:54:077:3411:07
8:53
#7187
24M
24.00 mi13:07:063:03:137:389:06
9:06
#7390
40K
24.85 mi13:14:453:10:527:417:39
8:57
#7480
25.2M
25.20 mi13:18:063:14:137:423:21
9:43
#7483
Finish
26.22 mi13:26:283:22:357:448:22
8:13
#7539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5271486148615013(Top 20%)4617(Top 32%)4617(Top 95%)
10K6.21 mi3.10 mi5119+1524737+1244737+1244971(Top 19%)4607(Top 32%)4607(Top 95%)
15K9.32 mi3.11 mi5056+634678+594678+595013(Top 20%)4617(Top 32%)4617(Top 95%)
20K12.43 mi3.11 mi5880-8245306-6285306-6288055(Top 32%)6630(Top 45%)6630(Top 137%)
Half13.11 mi0.68 mi5955-755359-535359-537661(Top 30%)6407(Top 44%)6407(Top 132%)
25K15.53 mi2.42 mi6374-4195623-2645623-2649095(Top 36%)7020(Top 48%)7020(Top 145%)
30K18.64 mi3.11 mi6597-2235726-1035726-1038352(Top 33%)6416(Top 44%)6416(Top 132%)
20M20.00 mi1.36 mi6727-1305772-465772-469284(Top 36%)6661(Top 46%)6661(Top 137%)
21M21.00 mi1.00 mi7141-4145994-2225994-22213645(Top 53%)8487(Top 58%)8487(Top 175%)
35K21.75 mi0.75 mi7033+1085894+1005894+1006343(Top 25%)4881(Top 33%)4881(Top 101%)
23M23.00 mi1.25 mi7187-1545933-395933-3910520(Top 41%)6822(Top 47%)6822(Top 141%)
24M24.00 mi1.00 mi7390-2036014-816014-8112624(Top 49%)7856(Top 54%)7856(Top 162%)
40K24.85 mi0.85 mi7480-906019-56019-510584(Top 41%)6695(Top 46%)6695(Top 138%)
25.2M25.20 mi0.35 mi7483-35993+265993+269616(Top 38%)6136(Top 42%)6136(Top 127%)
Finish26.22 mi1.02 mi7539-565984+95984+99810(Top 38%)6356(Top 44%)6356(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5013

Males

4617

M18-39

4617

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4971

Males

4607

M18-39

4607

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5013

Males

4617

M18-39

4617

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8055

Males

6630

M18-39

6630

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7661

Males

6407

M18-39

6407

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9095

Males

7020

M18-39

7020

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8352

Males

6416

M18-39

6416

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9284

Males

6661

M18-39

6661

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13645

Males

8487

M18-39

8487

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6343

Males

4881

M18-39

4881

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10520

Males

6822

M18-39

6822

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12624

Males

7856

M18-39

7856

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10584

Males

6695

M18-39

6695

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9616

Males

6136

M18-39

6136

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9810

Males

6356

M18-39

6356

Passing Analysis

Category:
Athletes Passed
1252
Passed By
3520
Net Change
-2268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5271
5K → 10K268116+152#5271#5119
10K → 15K180117+63#5119#5056
15K → 20K41865-824#5056#5880
20K → Half1287-75#5880#5955
Half → 25K52471-419#5955#6374
25K → 30K151374-223#6374#6597
30K → 20M80210-130#6597#6727
20M → 21M27441-414#6727#7141
21M → 35K13729+108#7141#7033
35K → 23M87241-154#7033#7187
23M → 24M43246-203#7187#7390
24M → 40K61151-90#7390#7480
40K → 25.2M4245-3#7480#7483
25.2M → Finish71127-56#7483#7539
TOTALS12523520-2268
📊

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