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BOSTON MARATHON 2023

John Graf

Bib: 1715•M

KY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:49/mi
21:12
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
42:07
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:03:00
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:23:55
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:28:30
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:45:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:06/mi
2:13:37
↑ 181↓ 1480.2%
20M
7:10/mi
2:23:22
↑ 64↓ 500.2%
21M
7:31/mi
2:30:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:36:18
↑ 17↓ 861.7%
23M
7:35/mi
2:45:48
↑ 23↓ 630.6%
24M
8:53/mi
2:54:41
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:02:29
↓ 200.3%
25.2M
7:50/mi
3:05:11
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:12:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:30
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0421:126:4921:12
6:49
-
10K
6.21 mi10:43:5942:076:4720:55
6:44
-0:05
15K
9.32 mi11:04:521:03:006:4620:53
6:43
-0:01
20K
12.43 mi11:25:471:23:556:4520:55
6:44
+0:01
Half
13.11 mi11:30:221:28:306:454:35
6:43
-0:01
25K
15.53 mi11:47:131:45:216:4716:51
6:57
+0:14
30K
18.64 mi12:15:292:13:377:1028:16
9:06
+2:09
20M
20.00 mi12:25:142:23:227:109:45
7:10
-1:56
21M
21.00 mi12:32:452:30:537:117:31
7:31
+0:21
35K
21.75 mi12:38:102:36:187:115:25
7:14
-0:17
23M
23.00 mi12:47:402:45:487:139:30
7:35
+0:21
24M
24.00 mi12:56:332:54:417:178:53
8:53
+1:18
40K
24.85 mi13:04:213:02:297:217:48
9:07
+0:14
25.2M
25.20 mi13:07:033:05:117:212:42
7:50
-1:17
Finish
26.22 mi13:14:033:12:117:207:00
6:52
-0:58

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

6:43 /mi

Average Pace

7:20 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:18

35% of race

Time at Steady Pace

1:17:14

40% of race

Time at Slower Pace

47:39

25% of race

Average Pace: 7:20 /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 mi10:23:0421:126:4921:12
6:49
#4905
10K
6.21 mi10:43:5942:076:4720:55
6:44
#4780
15K
9.32 mi11:04:521:03:006:4620:53
6:43
#4604
20K
12.43 mi11:25:471:23:556:4520:55
6:44
#4372
Half
13.11 mi11:30:221:28:306:454:35
6:43
#4376
25K
15.53 mi11:47:131:45:216:4716:51
6:57
#4521
30K
18.64 mi12:15:292:13:377:1028:16
9:06
#6791
20M
20.00 mi12:25:142:23:227:109:45
7:10
#6639
21M
21.00 mi12:32:452:30:537:117:31
7:31
#6491
35K
21.75 mi12:38:102:36:187:115:25
7:14
#6471
23M
23.00 mi12:47:402:45:487:139:30
7:35
#6465
24M
24.00 mi12:56:332:54:417:178:53
8:53
#6806
40K
24.85 mi13:04:213:02:297:217:48
9:07
#7134
25.2M
25.20 mi13:07:033:05:117:212:42
7:50
#7101
Finish
26.22 mi13:14:033:12:117:207:00
6:52
#6945
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4905456045604357(Top 16%)4082(Top 27%)4082(Top 77%)
10K6.21 mi3.10 mi4780+1254449+1114449+1114668(Top 18%)4352(Top 29%)4352(Top 82%)
15K9.32 mi3.11 mi4604+1764299+1504299+1504357(Top 16%)4082(Top 27%)4082(Top 77%)
20K12.43 mi3.11 mi4372+2324092+2074092+2073836(Top 14%)3618(Top 24%)3618(Top 68%)
Half13.11 mi0.68 mi4376-44096-44096-44600(Top 17%)4292(Top 28%)4292(Top 81%)
25K15.53 mi2.42 mi4521-1454224-1284224-1285305(Top 20%)4892(Top 32%)4892(Top 93%)
30K18.64 mi3.11 mi6791-22706058-18346058-183417664(Top 66%)11193(Top 74%)11193(Top 212%)
20M20.00 mi1.36 mi6639+1525928+1305928+1305005(Top 19%)4551(Top 30%)4551(Top 86%)
21M21.00 mi1.00 mi6491+1485806+1225806+1224677(Top 18%)4243(Top 28%)4243(Top 80%)
35K21.75 mi0.75 mi6471+205783+235783+236754(Top 25%)5740(Top 38%)5740(Top 109%)
23M23.00 mi1.25 mi6465+65771+125771+126984(Top 26%)5812(Top 38%)5812(Top 110%)
24M24.00 mi1.00 mi6806-3415998-2275998-22716646(Top 63%)10451(Top 69%)10451(Top 198%)
40K24.85 mi0.85 mi7134-3286211-2136211-21316692(Top 63%)10430(Top 69%)10430(Top 197%)
25.2M25.20 mi0.35 mi7101+336178+336178+335542(Top 21%)4641(Top 31%)4641(Top 88%)
Finish26.22 mi1.02 mi6945+1566043+1356043+1354456(Top 17%)3889(Top 26%)3889(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4357

Males

4082

M18-39

4082

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4668

Males

4352

M18-39

4352

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4357

Males

4082

M18-39

4082

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3836

Males

3618

M18-39

3618

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4600

Males

4292

M18-39

4292

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5305

Males

4892

M18-39

4892

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17664

Males

11193

M18-39

11193

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5005

Males

4551

M18-39

4551

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4677

Males

4243

M18-39

4243

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6754

Males

5740

M18-39

5740

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6984

Males

5812

M18-39

5812

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16646

Males

10451

M18-39

10451

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16692

Males

10430

M18-39

10430

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5542

Males

4641

M18-39

4641

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4456

Males

3889

M18-39

3889

Passing Analysis

Category:
Athletes Passed
1465
Passed By
3505
Net Change
-2040
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4905
5K → 10K268143+125#4905#4780
10K → 15K22246+176#4780#4604
15K → 20K25119+232#4604#4372
20K → Half2024-4#4372#4376
Half → 25K56201-145#4376#4521
25K → 30K22272-2270#4521#6791
30K → 20M1608+152#6791#6639
20M → 21M1513+148#6639#6491
21M → 35K4525+20#6491#6471
35K → 23M7064+6#6471#6465
23M → 24M7348-341#6465#6806
24M → 40K6334-328#6806#7134
40K → 25.2M418+33#7134#7101
25.2M → Finish16610+156#7101#6945
TOTALS14653505-2040
📊

Passing Visuals

Category:
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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