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BOSTON MARATHON 2024

Gregg Krowitz

Bib: 17064•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 47%
Division (M55-59)
#0 / 1529
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #9468
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
46:02
Rank: #9691 (-223)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:09:58
Rank: #10222 (-531)
10K → 15K
23:56 | 7:42/mi
20K· 12.43 mi
1:34:22
Rank: #10345 (-123)
15K → 20K
24:24 | 7:51/mi
Half· 13.11 mi
1:39:29
Rank: #10271 (+74)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:58:28
Rank: #9960 (+311)
Half → 25K
18:59 | 7:50/mi
30K· 18.64 mi
2:23:46
Rank: #9620 (+340)
25K → 30K
25:18 | 8:09/mi
20M
2:35:59
Rank: #9774 (-154)
30K → 20M
12:13 | 8:59/mi
21M
2:47:24
Rank: #10436 (-662)
20M → 21M
11:25 | 11:25/mi
35K· 21.75 mi
2:54:07
Rank: #10511 (-75)
21M → 35K
6:43 | 8:59/mi
23M
3:06:43
Rank: #10924 (-413)
35K → 23M
12:36 | 10:04/mi
24M
3:15:24
Rank: #10856 (+68)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:25:19
Rank: #11409 (-553)
24M → 40K
9:55 | 11:36/mi
25.2M
3:29:10
Rank: #11471 (-62)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:38:04
Rank: #11505 (-34)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:58:35
Pace9:03 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2522:487:2022:48
7:20
-
10K
6.21 mi11:36:3946:027:2523:14
7:29
+0:09
15K
9.32 mi12:00:351:09:587:3023:56
7:42
+0:13
20K
12.43 mi12:24:591:34:227:3624:24
7:51
+0:09
Half
13.11 mi12:30:061:39:297:355:07
7:30
-0:21
25K
15.53 mi12:49:051:58:287:3818:59
7:50
+0:20
30K
18.64 mi13:14:232:23:467:4325:18
8:09
+0:19
20M
20.00 mi13:26:362:35:597:4812:13
8:59
+0:50
21M
21.00 mi13:38:012:47:247:5811:25
11:25
+2:26
35K
21.75 mi13:44:442:54:078:006:43
8:59
-2:26
23M
23.00 mi13:57:203:06:438:0712:36
10:04
+1:05
24M
24.00 mi14:06:013:15:248:098:41
8:41
-1:23
40K
24.85 mi14:15:563:25:198:169:55
11:36
+2:55
25.2M
25.20 mi14:19:473:29:108:183:51
11:10
-0:26
Finish
26.22 mi14:28:413:38:048:198:54
8:44
-2:26

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

8:19 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:28

54% of race

Time at Steady Pace

1:01:49

28% of race

Time at Slower Pace

37:47

17% of race

Average Pace: 8:19 /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 mi11:13:2522:487:2022:48
7:20
#9468
10K
6.21 mi11:36:3946:027:2523:14
7:29
#9691
15K
9.32 mi12:00:351:09:587:3023:56
7:42
#10222
20K
12.43 mi12:24:591:34:227:3624:24
7:51
#10345
Half
13.11 mi12:30:061:39:297:355:07
7:30
#10271
25K
15.53 mi12:49:051:58:287:3818:59
7:50
#9960
30K
18.64 mi13:14:232:23:467:4325:18
8:09
#9620
20M
20.00 mi13:26:362:35:597:4812:13
8:59
#9774
21M
21.00 mi13:38:012:47:247:5811:25
11:25
#10436
35K
21.75 mi13:44:442:54:078:006:43
8:59
#10511
23M
23.00 mi13:57:203:06:438:0712:36
10:04
#10924
24M
24.00 mi14:06:013:15:248:098:41
8:41
#10856
40K
24.85 mi14:15:563:25:198:169:55
11:36
#11409
25.2M
25.20 mi14:19:473:29:108:183:51
11:10
#11471
Finish
26.22 mi14:28:413:38:048:198:54
8:44
#11505
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi94687673767311211(Top 44%)8391(Top 58%)8391(Top 549%)
10K6.21 mi3.10 mi9691-2237762-897762-8910094(Top 40%)7927(Top 54%)7927(Top 518%)
15K9.32 mi3.11 mi10222-5317997-2357997-23511211(Top 44%)8391(Top 58%)8391(Top 549%)
20K12.43 mi3.11 mi10345-1237987+107987+1010770(Top 42%)8047(Top 55%)8047(Top 526%)
Half13.11 mi0.68 mi10271+747942+457942+459102(Top 36%)7229(Top 50%)7229(Top 473%)
25K15.53 mi2.42 mi9960+3117739+2037739+2039115(Top 36%)7040(Top 48%)7040(Top 460%)
30K18.64 mi3.11 mi9620+3407482+2577482+2578686(Top 34%)6609(Top 45%)6609(Top 432%)
20M20.00 mi1.36 mi9774-1547495-137495-1312060(Top 47%)7977(Top 55%)7977(Top 522%)
21M21.00 mi1.00 mi10436-6627764-2697764-26917441(Top 68%)10344(Top 71%)10344(Top 677%)
35K21.75 mi0.75 mi10511-757764776413167(Top 52%)8236(Top 56%)8236(Top 539%)
23M23.00 mi1.25 mi10924-4137906-1427906-14215670(Top 61%)9391(Top 64%)9391(Top 614%)
24M24.00 mi1.00 mi10856+687833+737833+7310486(Top 41%)6789(Top 47%)6789(Top 444%)
40K24.85 mi0.85 mi11409-5538039-2068039-20619534(Top 76%)11216(Top 77%)11216(Top 734%)
25.2M25.20 mi0.35 mi11471-628049-108049-1014971(Top 59%)8908(Top 61%)8908(Top 583%)
Finish26.22 mi1.02 mi11505-348015+348015+3412797(Top 50%)7899(Top 54%)7899(Top 517%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11211

Males

8391

M55-59

8391

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10094

Males

7927

M55-59

7927

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11211

Males

8391

M55-59

8391

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

10770

Males

8047

M55-59

8047

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9102

Males

7229

M55-59

7229

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9115

Males

7040

M55-59

7040

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

8686

Males

6609

M55-59

6609

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12060

Males

7977

M55-59

7977

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17441

Males

10344

M55-59

10344

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13167

Males

8236

M55-59

8236

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

15670

Males

9391

M55-59

9391

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10486

Males

6789

M55-59

6789

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19534

Males

11216

M55-59

11216

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

14971

Males

8908

M55-59

8908

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12797

Males

7899

M55-59

7899

Passing Analysis

Category:
Athletes Passed
1809*
Passed By
3840
Net Change
-2037
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9468
5K → 10K170393-223#9468#9691
10K → 15K70599-531#9691#10222
15K → 20K186309-123#10222#10345
20K → Half8612+74#10345#10271
Half → 25K356*45+311#10271#9960
25K → 30K43897+340#9960#9620
30K → 20M109262-154#9620#9774
20M → 21M15675-662#9774#10436
21M → 35K56131-75#10436#10511
35K → 23M57470-413#10511#10924
23M → 24M13264+68#10924#10856
24M → 40K21574-553#10856#11409
40K → 25.2M2890-62#11409#11471
25.2M → Finish85119-34#11471#11505
TOTALS1809*3840-2037

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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