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BOSTON MARATHON 2023

Dan Graham

Bib: 12566•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M45-49)
#0 / 2252
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
7:45/mi
24:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:29
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:35:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:40:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:58:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:23:29
↑ 181↓ 1480.2%
20M
7:57/mi
2:34:17
↑ 64↓ 500.2%
21M
8:25/mi
2:42:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:48:26
↑ 17↓ 861.7%
23M
7:51/mi
2:58:16
↑ 23↓ 630.6%
24M
7:40/mi
3:05:56
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:12:26
↓ 200.3%
25.2M
7:56/mi
3:15:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:00/mi
3:22:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:26
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:41:52
Pace7:46 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4024:067:4524:06
7:45
-
10K
6.21 mi11:15:1547:417:4023:35
7:35
-0:10
15K
9.32 mi11:39:031:11:297:4023:48
7:40
+0:05
20K
12.43 mi12:02:561:35:227:4023:53
7:41
+0:01
Half
13.11 mi12:08:001:40:267:405:04
7:26
-0:15
25K
15.53 mi12:26:251:58:517:3918:25
7:36
+0:10
30K
18.64 mi12:51:032:23:297:4224:38
7:56
+0:20
20M
20.00 mi13:01:512:34:177:4310:48
7:57
+0:01
21M
21.00 mi13:10:162:42:427:458:25
8:25
+0:28
35K
21.75 mi13:16:002:48:267:455:44
7:40
-0:45
23M
23.00 mi13:25:502:58:167:459:50
7:51
+0:11
24M
24.00 mi13:33:303:05:567:457:40
7:40
-0:11
40K
24.85 mi13:40:003:12:267:456:30
7:36
-0:04
25.2M
25.20 mi13:42:443:15:107:452:44
7:56
+0:20
Finish
26.22 mi13:49:523:22:187:437:08
7:00
-0:56

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

7:00 /mi

Average Pace

7:43 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:12

6% of race

Time at Steady Pace

2:13:41

66% of race

Time at Slower Pace

56:25

28% of race

Average Pace: 7:43 /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 mi10:51:4024:067:4524:06
7:45
#11963
10K
6.21 mi11:15:1547:417:4023:35
7:35
#11552
15K
9.32 mi11:39:031:11:297:4023:48
7:40
#11521
20K
12.43 mi12:02:561:35:227:4023:53
7:41
#11290
Half
13.11 mi12:08:001:40:267:405:04
7:26
#11198
25K
15.53 mi12:26:251:58:517:3918:25
7:36
#10904
30K
18.64 mi12:51:032:23:297:4224:38
7:56
#10745
20M
20.00 mi13:01:512:34:177:4310:48
7:57
#10672
21M
21.00 mi13:10:162:42:427:458:25
8:25
#10594
35K
21.75 mi13:16:002:48:267:455:44
7:40
#10532
23M
23.00 mi13:25:502:58:167:459:50
7:51
#10402
24M
24.00 mi13:33:303:05:567:457:40
7:40
#10314
40K
24.85 mi13:40:003:12:267:456:30
7:36
#10163
25.2M
25.20 mi13:42:443:15:107:452:44
7:56
#10077
Finish
26.22 mi13:49:523:22:187:437:08
7:00
#9827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi119639095909511491(Top 43%)8850(Top 58%)8850(Top 393%)
10K6.21 mi3.10 mi11552+4118902+1938902+19311224(Top 42%)8762(Top 58%)8762(Top 389%)
15K9.32 mi3.11 mi11521+318886+168886+1611491(Top 43%)8850(Top 58%)8850(Top 393%)
20K12.43 mi3.11 mi11290+2318778+1088778+10810808(Top 41%)8474(Top 56%)8474(Top 376%)
Half13.11 mi0.68 mi11198+928741+378741+379587(Top 36%)7868(Top 52%)7868(Top 349%)
25K15.53 mi2.42 mi10904+2948585+1568585+1569501(Top 36%)7712(Top 51%)7712(Top 342%)
30K18.64 mi3.11 mi10745+1598456+1298456+12910344(Top 39%)8003(Top 53%)8003(Top 355%)
20M20.00 mi1.36 mi10672+738387+698387+699867(Top 37%)7678(Top 51%)7678(Top 341%)
21M21.00 mi1.00 mi10594+788331+568331+569943(Top 37%)7572(Top 50%)7572(Top 336%)
35K21.75 mi0.75 mi10532+628282+498282+499675(Top 36%)7447(Top 49%)7447(Top 331%)
23M23.00 mi1.25 mi10402+1308188+948188+948756(Top 33%)6837(Top 45%)6837(Top 304%)
24M24.00 mi1.00 mi10314+888119+698119+698845(Top 33%)6814(Top 45%)6814(Top 303%)
40K24.85 mi0.85 mi10163+1518020+998020+997346(Top 28%)5845(Top 39%)5845(Top 260%)
25.2M25.20 mi0.35 mi10077+867956+647956+646101(Top 23%)5032(Top 33%)5032(Top 223%)
Finish26.22 mi1.02 mi9827+2507795+1617795+1615223(Top 20%)4431(Top 29%)4431(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11491

Males

8850

M45-49

8850

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11224

Males

8762

M45-49

8762

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11491

Males

8850

M45-49

8850

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10808

Males

8474

M45-49

8474

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9587

Males

7868

M45-49

7868

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9501

Males

7712

M45-49

7712

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10344

Males

8003

M45-49

8003

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9867

Males

7678

M45-49

7678

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9943

Males

7572

M45-49

7572

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9675

Males

7447

M45-49

7447

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8756

Males

6837

M45-49

6837

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8845

Males

6814

M45-49

6814

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7346

Males

5845

M45-49

5845

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6101

Males

5032

M45-49

5032

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5223

Males

4431

M45-49

4431

Passing Analysis

Category:
Athletes Passed
2771*
Passed By
635
Net Change
+2136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11963
5K → 10K550139+411#11963#11552
10K → 15K204173+31#11552#11521
15K → 20K28251+231#11521#11290
20K → Half953+92#11290#11198
Half → 25K30511+294#11198#10904
25K → 30K261102+159#10904#10745
30K → 20M115*42+73#10745#10672
20M → 21M11234+78#10672#10594
21M → 35K8018+62#10594#10532
35K → 23M15626+130#10532#10402
23M → 24M10618+88#10402#10314
24M → 40K16312+151#10314#10163
40K → 25.2M86*0+86#10163#10077
25.2M → Finish256*6+250#10077#9827
TOTALS2771*635+2136

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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