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BOSTON MARATHON 2023

Charles Jetzer

Bib: 8871•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 39%
Masters (Masters Men)
#0 / 9891
Top 26%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3919
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
42:10
Rank: #4848 (-929)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:12
Rank: #4814 (+34)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:24:23
Rank: #4743 (+71)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:05
Rank: #4824 (-81)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:46:59
Rank: #5490 (-666)
Half → 25K
17:54 | 7:23/mi
30K· 18.64 mi
2:11:10
Rank: #6039 (-549)
25K → 30K
24:11 | 7:47/mi
20M
2:21:50
Rank: #6188 (-149)
30K → 20M
10:40 | 7:51/mi
21M
2:30:07
Rank: #6275 (-87)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:35:41
Rank: #6299 (-24)
21M → 35K
5:34 | 7:26/mi
23M
2:45:45
Rank: #6443 (-144)
35K → 23M
10:04 | 8:02/mi
24M
2:53:42
Rank: #6569 (-126)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:00:40
Rank: #6649 (-80)
24M → 40K
6:58 | 8:09/mi
25.2M
3:03:44
Rank: #6701 (-52)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:11:43
Rank: #6827 (-126)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:42:38
Pace7:50 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1920:546:4420:54
6:44
-
10K
6.21 mi11:07:3542:106:4721:16
6:51
+0:07
15K
9.32 mi11:28:371:03:126:4721:02
6:46
-0:05
20K
12.43 mi11:49:481:24:236:4721:11
6:49
+0:03
Half
13.11 mi11:54:301:29:056:484:42
6:53
+0:04
25K
15.53 mi12:12:241:46:596:5317:54
7:23
+0:30
30K
18.64 mi12:36:352:11:107:0224:11
7:47
+0:24
20M
20.00 mi12:47:152:21:507:0510:40
7:51
+0:04
21M
21.00 mi12:55:322:30:077:098:17
8:17
+0:26
35K
21.75 mi13:01:062:35:417:105:34
7:26
-0:51
23M
23.00 mi13:11:102:45:457:1210:04
8:02
+0:36
24M
24.00 mi13:19:072:53:427:147:57
7:57
-0:05
40K
24.85 mi13:26:053:00:407:166:58
8:09
+0:12
25.2M
25.20 mi13:29:093:03:447:173:04
8:54
+0:45
Finish
26.22 mi13:37:083:11:437:197:59
7:50
-1:04

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

6:44 /mi

Average Pace

7:19 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:33

59% of race

Time at Steady Pace

1:00:51

32% of race

Time at Slower Pace

18:19

10% of race

Average Pace: 7:19 /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 mi10:46:1920:546:4420:54
6:44
#3919
10K
6.21 mi11:07:3542:106:4721:16
6:51
#4848
15K
9.32 mi11:28:371:03:126:4721:02
6:46
#4814
20K
12.43 mi11:49:481:24:236:4721:11
6:49
#4743
Half
13.11 mi11:54:301:29:056:484:42
6:53
#4824
25K
15.53 mi12:12:241:46:596:5317:54
7:23
#5490
30K
18.64 mi12:36:352:11:107:0224:11
7:47
#6039
20M
20.00 mi12:47:152:21:507:0510:40
7:51
#6188
21M
21.00 mi12:55:322:30:077:098:17
8:17
#6275
35K
21.75 mi13:01:062:35:417:105:34
7:26
#6299
23M
23.00 mi13:11:102:45:457:1210:04
8:02
#6443
24M
24.00 mi13:19:072:53:427:147:57
7:57
#6569
40K
24.85 mi13:26:053:00:407:166:58
8:09
#6649
25.2M
25.20 mi13:29:093:03:447:173:04
8:54
#6701
Finish
26.22 mi13:37:083:11:437:197:59
7:50
#6827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3919368036804831(Top 18%)4502(Top 30%)4502(Top 201%)
10K6.21 mi3.10 mi4848-9294507-8274507-8275707(Top 21%)5228(Top 34%)5228(Top 233%)
15K9.32 mi3.11 mi4814+344478+294478+294831(Top 18%)4502(Top 30%)4502(Top 201%)
20K12.43 mi3.11 mi4743+714424+544424+544623(Top 17%)4308(Top 28%)4308(Top 192%)
Half13.11 mi0.68 mi4824-814494-704494-705940(Top 22%)5449(Top 36%)5449(Top 243%)
25K15.53 mi2.42 mi5490-6665067-5735067-5737846(Top 29%)6696(Top 44%)6696(Top 299%)
30K18.64 mi3.11 mi6039-5495495-4285495-4289215(Top 35%)7398(Top 49%)7398(Top 330%)
20M20.00 mi1.36 mi6188-1495594-995594-999184(Top 34%)7288(Top 48%)7288(Top 325%)
21M21.00 mi1.00 mi6275-875650-565650-569089(Top 34%)7104(Top 47%)7104(Top 317%)
35K21.75 mi0.75 mi6299-245665-155665-158031(Top 30%)6502(Top 43%)6502(Top 290%)
23M23.00 mi1.25 mi6443-1445752-875752-8710001(Top 38%)7470(Top 49%)7470(Top 333%)
24M24.00 mi1.00 mi6569-1265833-815833-8110841(Top 41%)7814(Top 51%)7814(Top 349%)
40K24.85 mi0.85 mi6649-805871-385871-3810976(Top 41%)7815(Top 51%)7815(Top 349%)
25.2M25.20 mi0.35 mi6701-525896-255896-2511776(Top 44%)8119(Top 53%)8119(Top 362%)
Finish26.22 mi1.02 mi6827-1265971-755971-7510890(Top 41%)7727(Top 51%)7727(Top 345%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4831

Males

4502

M40-44

4502

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5707

Males

5228

M40-44

5228

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4831

Males

4502

M40-44

4502

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4623

Males

4308

M40-44

4308

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5940

Males

5449

M40-44

5449

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7846

Males

6696

M40-44

6696

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9215

Males

7398

M40-44

7398

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9184

Males

7288

M40-44

7288

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9089

Males

7104

M40-44

7104

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8031

Males

6502

M40-44

6502

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10001

Males

7470

M40-44

7470

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10841

Males

7814

M40-44

7814

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10976

Males

7815

M40-44

7815

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11776

Males

8119

M40-44

8119

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10890

Males

7727

M40-44

7727

Passing Analysis

Category:
Athletes Passed
552
Passed By
3460
Net Change
-2908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3919
5K → 10K23952-929#3919#4848
10K → 15K12692+34#4848#4814
15K → 20K14069+71#4814#4743
20K → Half1091-81#4743#4824
Half → 25K17683-666#4824#5490
25K → 30K31580-549#5490#6039
30K → 20M24173-149#6039#6188
20M → 21M34121-87#6188#6275
21M → 35K2448-24#6275#6299
35K → 23M35179-144#6299#6443
23M → 24M19145-126#6443#6569
24M → 40K36116-80#6569#6649
40K → 25.2M1365-52#6649#6701
25.2M → Finish20146-126#6701#6827
TOTALS5523460-2908
📊

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