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BOSTON MARATHON 2023

Jerry Lotz

Bib: 2338•M

CO

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0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3071
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
40:48
Rank: #2905 (+166)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:01:11
Rank: #2933 (-28)
10K → 15K
20:23 | 6:34/mi
20K· 12.43 mi
1:23:09
Rank: #3778 (-845)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:28:09
Rank: #4129 (-351)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:47:41
Rank: #5777 (-1648)
Half → 25K
19:32 | 8:03/mi
30K· 18.64 mi
2:15:29
Rank: #7408 (-1631)
25K → 30K
27:48 | 8:57/mi
20M
2:28:20
Rank: #8290 (-882)
30K → 20M
12:51 | 9:27/mi
21M
2:40:14
Rank: #9675 (-1385)
20M → 21M
11:54 | 11:54/mi
35K· 21.75 mi
2:49:03
Rank: #10767 (-1092)
21M → 35K
8:49 | 11:47/mi
23M
3:05:10
Rank: #12849 (-2082)
35K → 23M
16:07 | 12:52/mi
24M
3:14:20
Rank: #13099 (-250)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:21:33
Rank: #13067 (+32)
24M → 40K
7:13 | 8:26/mi
25.2M
3:24:53
Rank: #13109 (-42)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:33:54
Rank: #13313 (-204)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:09
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time2:05:45
Pace9:36 /mi
📊Positive Split: 42.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3420:356:3820:35
6:38
-
10K
6.21 mi10:41:4740:486:3420:13
6:30
-0:08
15K
9.32 mi11:02:101:01:116:3420:23
6:34
+0:04
20K
12.43 mi11:24:081:23:096:4121:58
7:04
+0:30
Half
13.11 mi11:29:081:28:096:435:00
7:20
+0:16
25K
15.53 mi11:48:401:47:416:5619:32
8:03
+0:43
30K
18.64 mi12:16:282:15:297:1627:48
8:57
+0:54
20M
20.00 mi12:29:192:28:207:2512:51
9:27
+0:30
21M
21.00 mi12:41:132:40:147:3811:54
11:54
+2:27
35K
21.75 mi12:50:022:49:037:468:49
11:47
-0:07
23M
23.00 mi13:06:093:05:108:0316:07
12:52
+1:05
24M
24.00 mi13:15:193:14:208:069:10
9:10
-3:42
40K
24.85 mi13:22:323:21:338:077:13
8:26
-0:44
25.2M
25.20 mi13:25:523:24:538:083:20
9:40
+1:14
Finish
26.22 mi13:34:533:33:548:109:01
8:51
-0:49

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

6:30 /mi

Average Pace

8:10 /mi

Slowest Pace

12:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:09

41% of race

Time at Steady Pace

1:28:55

42% of race

Time at Slower Pace

36:50

17% of race

Average Pace: 8:09 /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 mi10:21:3420:356:3820:35
6:38
#3071
10K
6.21 mi10:41:4740:486:3420:13
6:30
#2905
15K
9.32 mi11:02:101:01:116:3420:23
6:34
#2933
20K
12.43 mi11:24:081:23:096:4121:58
7:04
#3778
Half
13.11 mi11:29:081:28:096:435:00
7:20
#4129
25K
15.53 mi11:48:401:47:416:5619:32
8:03
#5777
30K
18.64 mi12:16:282:15:297:1627:48
8:57
#7408
20M
20.00 mi12:29:192:28:207:2512:51
9:27
#8290
21M
21.00 mi12:41:132:40:147:3811:54
11:54
#9675
35K
21.75 mi12:50:022:49:037:468:49
11:47
#10767
23M
23.00 mi13:06:093:05:108:0316:07
12:52
#12849
24M
24.00 mi13:15:193:14:208:069:10
9:10
#13099
40K
24.85 mi13:22:323:21:338:077:13
8:26
#13067
25.2M
25.20 mi13:25:523:24:538:083:20
9:40
#13109
Finish
26.22 mi13:34:533:33:548:109:01
8:51
#13313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3071291129113010(Top 11%)2874(Top 19%)2874(Top 54%)
10K6.21 mi3.10 mi2905+1662771+1402771+1402849(Top 11%)2723(Top 18%)2723(Top 52%)
15K9.32 mi3.11 mi2933-282797-262797-263010(Top 11%)2874(Top 19%)2874(Top 54%)
20K12.43 mi3.11 mi3778-8453569-7723569-7726401(Top 24%)5772(Top 38%)5772(Top 109%)
Half13.11 mi0.68 mi4129-3513874-3053874-3058843(Top 33%)7434(Top 49%)7434(Top 141%)
25K15.53 mi2.42 mi5777-16485306-14325306-143213187(Top 50%)9434(Top 62%)9434(Top 179%)
30K18.64 mi3.11 mi7408-16316501-11956501-119516892(Top 63%)10866(Top 72%)10866(Top 206%)
20M20.00 mi1.36 mi8290-8827033-5327033-53218670(Top 70%)11525(Top 76%)11525(Top 218%)
21M21.00 mi1.00 mi9675-13857869-8367869-83622582(Top 85%)13229(Top 87%)13229(Top 250%)
35K21.75 mi0.75 mi10767-10928394-5258394-52524447(Top 92%)14054(Top 93%)14054(Top 266%)
23M23.00 mi1.25 mi12849-20829294-9009294-90024954(Top 94%)14319(Top 94%)14319(Top 271%)
24M24.00 mi1.00 mi13099-2509377-839377-8317901(Top 67%)11019(Top 73%)11019(Top 208%)
40K24.85 mi0.85 mi13067+329337+409337+4012955(Top 49%)8761(Top 58%)8761(Top 166%)
25.2M25.20 mi0.35 mi13109-429347-109347-1015899(Top 60%)10063(Top 66%)10063(Top 190%)
Finish26.22 mi1.02 mi13313-2049414-679414-6717241(Top 65%)10713(Top 71%)10713(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3010

Males

2874

M18-39

2874

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2849

Males

2723

M18-39

2723

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3010

Males

2874

M18-39

2874

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6401

Males

5772

M18-39

5772

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8843

Males

7434

M18-39

7434

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13187

Males

9434

M18-39

9434

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16892

Males

10866

M18-39

10866

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18670

Males

11525

M18-39

11525

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22582

Males

13229

M18-39

13229

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24447

Males

14054

M18-39

14054

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24954

Males

14319

M18-39

14319

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17901

Males

11019

M18-39

11019

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12955

Males

8761

M18-39

8761

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15899

Males

10063

M18-39

10063

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17241

Males

10713

M18-39

10713

Passing Analysis

Category:
Athletes Passed
492
Passed By
10732
Net Change
-10242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3071
5K → 10K25892+166#3071#2905
10K → 15K88116-28#2905#2933
15K → 20K5850-845#2933#3778
20K → Half0351-351#3778#4129
Half → 25K31651-1648#4129#5777
25K → 30K21633-1631#5777#7408
30K → 20M7889-882#7408#8290
20M → 21M11386-1385#8290#9675
21M → 35K21092-1092#9675#10767
35K → 23M12083-2082#10767#12849
23M → 24M18268-250#12849#13099
24M → 40K7644+32#13099#13067
40K → 25.2M1961-42#13067#13109
25.2M → Finish12216-204#13109#13313
TOTALS49210732-10242
📊

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