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BOSTON MARATHON 2023

John Fetzer

Bib: 29256•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
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
21:01
Rank: #4319
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
42:39
Rank: #5530 (-1211)
5K → 10K
21:38 | 6:58/mi
15K· 9.32 mi
1:04:50
Rank: #6224 (-694)
10K → 15K
22:11 | 7:08/mi
20K· 12.43 mi
1:27:05
Rank: #6392 (-168)
15K → 20K
22:15 | 7:10/mi
Half· 13.11 mi
1:31:56
Rank: #6428 (-36)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:49:52
Rank: #6625 (-197)
Half → 25K
17:56 | 7:24/mi
30K· 18.64 mi
2:12:55
Rank: #6567 (+58)
25K → 30K
23:03 | 7:25/mi
20M
2:22:37
Rank: #6414 (+153)
30K → 20M
9:42 | 7:08/mi
21M
2:30:04
Rank: #6261 (+153)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:34:52
Rank: #6086 (+175)
21M → 35K
4:48 | 6:25/mi
23M
2:43:34
Rank: #5870 (+216)
35K → 23M
8:42 | 6:57/mi
24M
2:50:20
Rank: #5720 (+150)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:56:10
Rank: #5572 (+148)
24M → 40K
5:50 | 6:49/mi
25.2M
2:58:40
Rank: #5499 (+73)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:05:18
Rank: #5318 (+181)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:56
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:33:22
Pace7:07 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:0621:016:4621:01
6:46
-
10K
6.21 mi11:57:4442:396:5221:38
6:58
+0:12
15K
9.32 mi12:19:551:04:506:5722:11
7:08
+0:10
20K
12.43 mi12:42:101:27:057:0022:15
7:10
+0:02
Half
13.11 mi12:47:011:31:567:014:51
7:07
-0:03
25K
15.53 mi13:04:571:49:527:0417:56
7:24
+0:17
30K
18.64 mi13:28:002:12:557:0823:03
7:25
+0:01
20M
20.00 mi13:37:422:22:377:089:42
7:08
-0:17
21M
21.00 mi13:45:092:30:047:097:27
7:27
+0:19
35K
21.75 mi13:49:572:34:527:074:48
6:25
-1:02
23M
23.00 mi13:58:392:43:347:078:42
6:57
+0:32
24M
24.00 mi14:05:252:50:207:066:46
6:46
-0:11
40K
24.85 mi14:11:152:56:107:055:50
6:49
+0:03
25.2M
25.20 mi14:13:452:58:407:052:30
7:15
+0:26
Finish
26.22 mi14:20:233:05:187:046:38
6:31
-0:44

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

6:25 /mi

Average Pace

7:04 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:23

41% of race

Time at Steady Pace

1:49:55

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi11:36:0621:016:4621:01
6:46
#4319
10K
6.21 mi11:57:4442:396:5221:38
6:58
#5530
15K
9.32 mi12:19:551:04:506:5722:11
7:08
#6224
20K
12.43 mi12:42:101:27:057:0022:15
7:10
#6392
Half
13.11 mi12:47:011:31:567:014:51
7:07
#6428
25K
15.53 mi13:04:571:49:527:0417:56
7:24
#6625
30K
18.64 mi13:28:002:12:557:0823:03
7:25
#6567
20M
20.00 mi13:37:422:22:377:089:42
7:08
#6414
21M
21.00 mi13:45:092:30:047:097:27
7:27
#6261
35K
21.75 mi13:49:572:34:527:074:48
6:25
#6086
23M
23.00 mi13:58:392:43:347:078:42
6:57
#5870
24M
24.00 mi14:05:252:50:207:066:46
6:46
#5720
40K
24.85 mi14:11:152:56:107:055:50
6:49
#5572
25.2M
25.20 mi14:13:452:58:407:052:30
7:15
#5499
Finish
26.22 mi14:20:233:05:187:046:38
6:31
#5318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4319403740377388(Top 28%)6518(Top 43%)6518(Top 123%)
10K6.21 mi3.10 mi5530-12115101-10645101-10646567(Top 25%)5905(Top 39%)5905(Top 112%)
15K9.32 mi3.11 mi6224-6945653-5525653-5527388(Top 28%)6518(Top 43%)6518(Top 123%)
20K12.43 mi3.11 mi6392-1685776-1235776-1236857(Top 26%)6101(Top 40%)6101(Top 115%)
Half13.11 mi0.68 mi6428-365803-275803-277141(Top 27%)6310(Top 42%)6310(Top 119%)
25K15.53 mi2.42 mi6625-1975949-1465949-1467970(Top 30%)6781(Top 45%)6781(Top 128%)
30K18.64 mi3.11 mi6567+585896+535896+536695(Top 25%)5859(Top 39%)5859(Top 111%)
20M20.00 mi1.36 mi6414+1535766+1305766+1304806(Top 18%)4386(Top 29%)4386(Top 83%)
21M21.00 mi1.00 mi6261+1535637+1295637+1294360(Top 16%)3986(Top 26%)3986(Top 75%)
35K21.75 mi0.75 mi6086+1755498+1395498+1392070(Top 8%)1968(Top 13%)1968(Top 37%)
23M23.00 mi1.25 mi5870+2165322+1765322+1763538(Top 13%)3279(Top 22%)3279(Top 62%)
24M24.00 mi1.00 mi5720+1505196+1265196+1263497(Top 13%)3222(Top 21%)3222(Top 61%)
40K24.85 mi0.85 mi5572+1485074+1225074+1222971(Top 11%)2738(Top 18%)2738(Top 52%)
25.2M25.20 mi0.35 mi5499+735011+635011+632779(Top 10%)2565(Top 17%)2565(Top 49%)
Finish26.22 mi1.02 mi5318+1814857+1544857+1542558(Top 10%)2352(Top 15%)2352(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7388

Males

6518

M18-39

6518

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6567

Males

5905

M18-39

5905

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7388

Males

6518

M18-39

6518

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6857

Males

6101

M18-39

6101

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7141

Males

6310

M18-39

6310

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7970

Males

6781

M18-39

6781

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6695

Males

5859

M18-39

5859

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4806

Males

4386

M18-39

4386

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4360

Males

3986

M18-39

3986

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2070

Males

1968

M18-39

1968

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3538

Males

3279

M18-39

3279

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3497

Males

3222

M18-39

3222

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2971

Males

2738

M18-39

2738

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2779

Males

2565

M18-39

2565

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2558

Males

2352

M18-39

2352

Passing Analysis

Category:
Athletes Passed
1524
Passed By
2523
Net Change
-999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4319
5K → 10K171228-1211#4319#5530
10K → 15K13707-694#5530#6224
15K → 20K55223-168#6224#6392
20K → Half440-36#6392#6428
Half → 25K31228-197#6428#6625
25K → 30K13476+58#6625#6567
30K → 20M1607+153#6567#6414
20M → 21M1585+153#6414#6261
21M → 35K1750+175#6261#6086
35K → 23M2171+216#6086#5870
23M → 24M1544+150#5870#5720
24M → 40K1491+148#5720#5572
40K → 25.2M741+73#5572#5499
25.2M → Finish1832+181#5499#5318
TOTALS15242523-999
📊

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