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BOSTON MARATHON 2024

Jeffrey Krebs

Bib: 12834•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 48%
Division (M60-64)
#0 / 1173
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #9469
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
45:44
Rank: #9343 (+126)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:09:27
Rank: #9750 (-407)
10K → 15K
23:43 | 7:38/mi
20K· 12.43 mi
1:34:16
Rank: #10281 (-531)
15K → 20K
24:49 | 7:59/mi
Half· 13.11 mi
1:39:41
Rank: #10373 (-92)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
1:59:54
Rank: #10675 (-302)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:27:37
Rank: #11085 (-410)
25K → 30K
27:43 | 8:55/mi
20M
2:40:25
Rank: #11344 (-259)
30K → 20M
12:48 | 9:25/mi
21M
2:50:49
Rank: #11556 (-212)
20M → 21M
10:24 | 10:24/mi
35K· 21.75 mi
2:57:18
Rank: #11523 (+33)
21M → 35K
6:29 | 8:40/mi
23M
3:08:52
Rank: #11539 (-16)
35K → 23M
11:34 | 9:14/mi
24M
3:17:35
Rank: #11454 (+85)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:25:47
Rank: #11517 (-63)
24M → 40K
8:12 | 9:35/mi
25.2M
3:29:22
Rank: #11528 (-11)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:39:04
Rank: #11756 (-228)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:41
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:59:23
Pace9:06 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5222:487:2022:48
7:20
-
10K
6.21 mi11:14:4845:447:2222:56
7:23
+0:03
15K
9.32 mi11:38:311:09:277:2723:43
7:38
+0:15
20K
12.43 mi12:03:201:34:167:3524:49
7:59
+0:21
Half
13.11 mi12:08:451:39:417:365:25
7:56
-0:03
25K
15.53 mi12:28:581:59:547:4320:13
8:20
+0:24
30K
18.64 mi12:56:412:27:377:5527:43
8:55
+0:35
20M
20.00 mi13:09:292:40:258:0112:48
9:25
+0:30
21M
21.00 mi13:19:532:50:498:0810:24
10:24
+0:59
35K
21.75 mi13:26:222:57:188:096:29
8:40
-1:44
23M
23.00 mi13:37:563:08:528:1311:34
9:14
+0:34
24M
24.00 mi13:46:393:17:358:148:43
8:43
-0:31
40K
24.85 mi13:54:513:25:478:178:12
9:35
+0:52
25.2M
25.20 mi13:58:263:29:228:183:35
10:23
+0:48
Finish
26.22 mi14:08:083:39:048:229:42
9:31
-0:52

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

7:20 /mi

Average Pace

8:22 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:41

46% of race

Time at Steady Pace

1:03:08

29% of race

Time at Slower Pace

56:15

26% of race

Average Pace: 8:21 /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 mi10:51:5222:487:2022:48
7:20
#9469
10K
6.21 mi11:14:4845:447:2222:56
7:23
#9343
15K
9.32 mi11:38:311:09:277:2723:43
7:38
#9750
20K
12.43 mi12:03:201:34:167:3524:49
7:59
#10281
Half
13.11 mi12:08:451:39:417:365:25
7:56
#10373
25K
15.53 mi12:28:581:59:547:4320:13
8:20
#10675
30K
18.64 mi12:56:412:27:377:5527:43
8:55
#11085
20M
20.00 mi13:09:292:40:258:0112:48
9:25
#11344
21M
21.00 mi13:19:532:50:498:0810:24
10:24
#11556
35K
21.75 mi13:26:222:57:188:096:29
8:40
#11523
23M
23.00 mi13:37:563:08:528:1311:34
9:14
#11539
24M
24.00 mi13:46:393:17:358:148:43
8:43
#11454
40K
24.85 mi13:54:513:25:478:178:12
9:35
#11517
25.2M
25.20 mi13:58:263:29:228:183:35
10:23
#11528
Finish
26.22 mi14:08:083:39:048:229:42
9:31
#11756
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi94697674767410684(Top 42%)8137(Top 56%)8137(Top 694%)
10K6.21 mi3.10 mi9343+1267570+1047570+1049282(Top 36%)7479(Top 51%)7479(Top 638%)
15K9.32 mi3.11 mi9750-4077757-1877757-18710684(Top 42%)8137(Top 56%)8137(Top 694%)
20K12.43 mi3.11 mi10281-5317961-2047961-20411733(Top 46%)8529(Top 59%)8529(Top 727%)
Half13.11 mi0.68 mi10373-927992-317992-3112258(Top 48%)8759(Top 60%)8759(Top 747%)
25K15.53 mi2.42 mi10675-3028085-938085-9312185(Top 48%)8544(Top 59%)8544(Top 728%)
30K18.64 mi3.11 mi11085-4108187-1028187-10212836(Top 50%)8615(Top 59%)8615(Top 734%)
20M20.00 mi1.36 mi11344-2598261-748261-7414135(Top 55%)8910(Top 61%)8910(Top 760%)
21M21.00 mi1.00 mi11556-2128302-418302-4114497(Top 57%)8895(Top 61%)8895(Top 758%)
35K21.75 mi0.75 mi11523+338254+488254+4811612(Top 45%)7503(Top 51%)7503(Top 640%)
23M23.00 mi1.25 mi11539-168196+588196+5812311(Top 48%)7720(Top 53%)7720(Top 658%)
24M24.00 mi1.00 mi11454+858093+1038093+10310665(Top 42%)6879(Top 47%)6879(Top 586%)
40K24.85 mi0.85 mi11517-638092+18092+113437(Top 53%)8149(Top 56%)8149(Top 695%)
25.2M25.20 mi0.35 mi11528-118076+168076+1612398(Top 49%)7567(Top 52%)7567(Top 645%)
Finish26.22 mi1.02 mi11756-2288130-548130-5416585(Top 65%)9737(Top 67%)9737(Top 830%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

10684

Males

8137

M60-64

8137

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9282

Males

7479

M60-64

7479

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

10684

Males

8137

M60-64

8137

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

11733

Males

8529

M60-64

8529

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12258

Males

8759

M60-64

8759

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12185

Males

8544

M60-64

8544

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12836

Males

8615

M60-64

8615

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14135

Males

8910

M60-64

8910

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

14497

Males

8895

M60-64

8895

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11612

Males

7503

M60-64

7503

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12311

Males

7720

M60-64

7720

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

10665

Males

6879

M60-64

6879

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13437

Males

8149

M60-64

8149

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12398

Males

7567

M60-64

7567

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16585

Males

9737

M60-64

9737

Passing Analysis

Category:
Athletes Passed
1501
Passed By
3786
Net Change
-2287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9469
5K → 10K297171+126#9469#9343
10K → 15K100507-407#9343#9750
15K → 20K91620-531#9750#10281
20K → Half20112-92#10281#10373
Half → 25K135437-302#10373#10675
25K → 30K165575-410#10675#11085
30K → 20M72331-259#11085#11344
20M → 21M80292-212#11344#11556
21M → 35K9259+33#11556#11523
35K → 23M142158-16#11523#11539
23M → 24M14257+85#11539#11454
24M → 40K73136-63#11454#11517
40K → 25.2M4051-11#11517#11528
25.2M → Finish52280-228#11528#11756
TOTALS15013786-2287
📊

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