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BOSTON MARATHON 2023

Jonathan Frentzel

Bib: 2465•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M40-44)
#0 / 2241
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #3413
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
40:45
Rank: #2855 (+558)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
1:01:06
Rank: #2857 (-2)
10K → 15K
20:21 | 6:33/mi
20K· 12.43 mi
1:21:40
Rank: #2878 (-21)
15K → 20K
20:34 | 6:37/mi
Half· 13.11 mi
1:26:04
Rank: #2851 (+27)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:42:34
Rank: #3018 (-167)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:04:01
Rank: #3060 (-42)
25K → 30K
21:27 | 6:54/mi
20M
2:13:30
Rank: #3111 (-51)
30K → 20M
9:29 | 6:59/mi
21M
2:20:57
Rank: #3173 (-62)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:26:04
Rank: #3204 (-31)
21M → 35K
5:07 | 6:50/mi
23M
2:34:51
Rank: #3218 (-14)
35K → 23M
8:47 | 7:01/mi
24M
2:41:46
Rank: #3253 (-35)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:47:44
Rank: #3257 (-4)
24M → 40K
5:58 | 6:59/mi
25.2M
2:50:21
Rank: #3268 (-11)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:57:11
Rank: #3239 (+29)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:04
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:31:07
Pace6:57 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4120:446:4020:44
6:40
-
10K
6.21 mi10:41:4240:456:3320:01
6:27
-0:13
15K
9.32 mi11:02:031:01:066:3320:21
6:33
+0:06
20K
12.43 mi11:22:371:21:406:3420:34
6:37
+0:04
Half
13.11 mi11:27:011:26:046:344:24
6:27
-0:10
25K
15.53 mi11:43:311:42:346:3616:30
6:48
+0:21
30K
18.64 mi12:04:582:04:016:3921:27
6:54
+0:06
20M
20.00 mi12:14:272:13:306:409:29
6:59
+0:05
21M
21.00 mi12:21:542:20:576:437:27
7:27
+0:28
35K
21.75 mi12:27:012:26:046:435:07
6:50
-0:37
23M
23.00 mi12:35:482:34:516:448:47
7:01
+0:11
24M
24.00 mi12:42:432:41:466:446:55
6:55
-0:06
40K
24.85 mi12:48:412:47:446:455:58
6:59
+0:04
25.2M
25.20 mi12:51:182:50:216:462:37
7:35
+0:36
Finish
26.22 mi12:58:082:57:116:466:50
6:42
-0:53

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

6:27 /mi

Average Pace

6:46 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:07

94% of race

Time at Steady Pace

10:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:21:4120:446:4020:44
6:40
#3413
10K
6.21 mi10:41:4240:456:3320:01
6:27
#2855
15K
9.32 mi11:02:031:01:066:3320:21
6:33
#2857
20K
12.43 mi11:22:371:21:406:3420:34
6:37
#2878
Half
13.11 mi11:27:011:26:046:344:24
6:27
#2851
25K
15.53 mi11:43:311:42:346:3616:30
6:48
#3018
30K
18.64 mi12:04:582:04:016:3921:27
6:54
#3060
20M
20.00 mi12:14:272:13:306:409:29
6:59
#3111
21M
21.00 mi12:21:542:20:576:437:27
7:27
#3173
35K
21.75 mi12:27:012:26:046:435:07
6:50
#3204
23M
23.00 mi12:35:482:34:516:448:47
7:01
#3218
24M
24.00 mi12:42:432:41:466:446:55
6:55
#3253
40K
24.85 mi12:48:412:47:446:455:58
6:59
#3257
25.2M
25.20 mi12:51:182:50:216:462:37
7:35
#3268
Finish
26.22 mi12:58:082:57:116:466:50
6:42
#3239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3413321632162932(Top 11%)2803(Top 18%)2803(Top 125%)
10K6.21 mi3.10 mi2855+5582721+4952721+4952462(Top 9%)2355(Top 16%)2355(Top 105%)
15K9.32 mi3.11 mi2857-22728-72728-72932(Top 11%)2803(Top 18%)2803(Top 125%)
20K12.43 mi3.11 mi2878-212748-202748-202982(Top 11%)2840(Top 19%)2840(Top 127%)
Half13.11 mi0.68 mi2851+272723+252723+252516(Top 9%)2415(Top 16%)2415(Top 108%)
25K15.53 mi2.42 mi3018-1672881-1582881-1584170(Top 16%)3901(Top 26%)3901(Top 174%)
30K18.64 mi3.11 mi3060-422916-352916-353671(Top 14%)3445(Top 23%)3445(Top 154%)
20M20.00 mi1.36 mi3111-512962-462962-463876(Top 15%)3604(Top 24%)3604(Top 161%)
21M21.00 mi1.00 mi3173-623010-483010-484331(Top 16%)3957(Top 26%)3957(Top 177%)
35K21.75 mi0.75 mi3204-313037-273037-274385(Top 16%)4003(Top 26%)4003(Top 179%)
23M23.00 mi1.25 mi3218-143049-123049-123849(Top 14%)3546(Top 23%)3546(Top 158%)
24M24.00 mi1.00 mi3253-353079-303079-304236(Top 16%)3848(Top 25%)3848(Top 172%)
40K24.85 mi0.85 mi3257-43083-43083-43701(Top 14%)3342(Top 22%)3342(Top 149%)
25.2M25.20 mi0.35 mi3268-113091-83091-84253(Top 16%)3723(Top 25%)3723(Top 166%)
Finish26.22 mi1.02 mi3239+293063+283063+283536(Top 13%)3161(Top 21%)3161(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2932

Males

2803

M40-44

2803

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2462

Males

2355

M40-44

2355

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2932

Males

2803

M40-44

2803

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2982

Males

2840

M40-44

2840

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2516

Males

2415

M40-44

2415

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4170

Males

3901

M40-44

3901

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3671

Males

3445

M40-44

3445

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3876

Males

3604

M40-44

3604

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4331

Males

3957

M40-44

3957

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4385

Males

4003

M40-44

4003

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3849

Males

3546

M40-44

3546

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4236

Males

3848

M40-44

3848

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3701

Males

3342

M40-44

3342

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4253

Males

3723

M40-44

3723

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3536

Males

3161

M40-44

3161

Passing Analysis

Category:
Athletes Passed
1144
Passed By
970
Net Change
+174
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3413
5K → 10K57214+558#3413#2855
10K → 15K9496-2#2855#2857
15K → 20K6889-21#2857#2878
20K → Half314+27#2878#2851
Half → 25K24191-167#2851#3018
25K → 30K79121-42#3018#3060
30K → 20M2879-51#3060#3111
20M → 21M2688-62#3111#3173
21M → 35K1849-31#3173#3204
35K → 23M5973-14#3204#3218
23M → 24M2964-35#3218#3253
24M → 40K3640-4#3253#3257
40K → 25.2M1728-11#3257#3268
25.2M → Finish6334+29#3268#3239
TOTALS1144970+174
📊

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