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BOSTON MARATHON 2023

Dan Davis

Bib: 11562•M

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
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
7:52/mi
24:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:13:56
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:38:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:43:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
2:02:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:26:10
↑ 181↓ 1480.2%
20M
7:35/mi
2:36:28
↑ 64↓ 500.2%
21M
7:48/mi
2:44:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:49:47
↑ 17↓ 861.7%
23M
8:15/mi
3:00:07
↑ 23↓ 630.6%
24M
7:29/mi
3:07:36
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:14:10
↓ 200.3%
25.2M
8:04/mi
3:16:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:24:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:41:05
Pace7:43 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5124:267:5224:26
7:52
-
10K
6.21 mi11:16:0648:417:5024:15
7:48
-0:04
15K
9.32 mi11:41:211:13:567:5625:15
8:08
+0:20
20K
12.43 mi12:05:301:38:057:5424:09
7:46
-0:22
Half
13.11 mi12:10:471:43:227:535:17
7:45
-0:01
25K
15.53 mi12:29:252:02:007:5118:38
7:41
-0:04
30K
18.64 mi12:53:352:26:107:5024:10
7:47
+0:06
20M
20.00 mi13:03:532:36:287:4910:18
7:35
-0:12
21M
21.00 mi13:11:412:44:167:497:48
7:48
+0:13
35K
21.75 mi13:17:122:49:477:485:31
7:22
-0:26
23M
23.00 mi13:27:323:00:077:5010:20
8:15
+0:53
24M
24.00 mi13:35:013:07:367:497:29
7:29
-0:46
40K
24.85 mi13:41:353:14:107:496:34
7:41
+0:12
25.2M
25.20 mi13:44:223:16:577:492:47
8:04
+0:23
Finish
26.22 mi13:51:523:24:277:487:30
7:22
-0:42

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

7:22 /mi

Average Pace

7:48 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:52

83% of race

Time at Steady Pace

35:35

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:51:5124:267:5224:26
7:52
#12944
10K
6.21 mi11:16:0648:417:5024:15
7:48
#13005
15K
9.32 mi11:41:211:13:567:5625:15
8:08
#13830
20K
12.43 mi12:05:301:38:057:5424:09
7:46
#13244
Half
13.11 mi12:10:471:43:227:535:17
7:45
#13185
25K
15.53 mi12:29:252:02:007:5118:38
7:41
#12629
30K
18.64 mi12:53:352:26:107:5024:10
7:47
#11955
20M
20.00 mi13:03:532:36:287:4910:18
7:35
#11560
21M
21.00 mi13:11:412:44:167:497:48
7:48
#11184
35K
21.75 mi13:17:122:49:477:485:31
7:22
#11035
23M
23.00 mi13:27:323:00:077:5010:20
8:15
#11046
24M
24.00 mi13:35:013:07:367:497:29
7:29
#10868
40K
24.85 mi13:41:353:14:107:496:34
7:41
#10721
25.2M
25.20 mi13:44:223:16:577:492:47
8:04
#10650
Finish
26.22 mi13:51:523:24:277:487:30
7:22
#10497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi129449516951615331(Top 58%)10443(Top 69%)10443(Top 464%)
10K6.21 mi3.10 mi13005-619536-209536-2013137(Top 49%)9606(Top 63%)9606(Top 427%)
15K9.32 mi3.11 mi13830-8259852-3169852-31615331(Top 58%)10443(Top 69%)10443(Top 464%)
20K12.43 mi3.11 mi13244+5869595+2579595+25711486(Top 43%)8789(Top 58%)8789(Top 390%)
Half13.11 mi0.68 mi13185+599570+259570+2512167(Top 46%)9121(Top 60%)9121(Top 405%)
25K15.53 mi2.42 mi12629+5569317+2539317+25310183(Top 38%)8091(Top 53%)8091(Top 359%)
30K18.64 mi3.11 mi11955+6748984+3338984+3339203(Top 35%)7396(Top 49%)7396(Top 328%)
20M20.00 mi1.36 mi11560+3958798+1868798+1867362(Top 28%)6200(Top 41%)6200(Top 275%)
21M21.00 mi1.00 mi11184+3768613+1858613+1856192(Top 23%)5340(Top 35%)5340(Top 237%)
35K21.75 mi0.75 mi11035+1498531+828531+827653(Top 29%)6295(Top 41%)6295(Top 280%)
23M23.00 mi1.25 mi11046-118511+208511+2011531(Top 43%)8246(Top 54%)8246(Top 366%)
24M24.00 mi1.00 mi10868+1788391+1208391+1207602(Top 29%)6081(Top 40%)6081(Top 270%)
40K24.85 mi0.85 mi10721+1478296+958296+957841(Top 29%)6155(Top 41%)6155(Top 273%)
25.2M25.20 mi0.35 mi10650+718242+548242+546917(Top 26%)5549(Top 37%)5549(Top 246%)
Finish26.22 mi1.02 mi10497+1538138+1048138+1047509(Top 28%)5876(Top 39%)5876(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15331

Males

10443

M45-49

10443

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13137

Males

9606

M45-49

9606

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15331

Males

10443

M45-49

10443

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11486

Males

8789

M45-49

8789

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12167

Males

9121

M45-49

9121

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10183

Males

8091

M45-49

8091

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9203

Males

7396

M45-49

7396

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7362

Males

6200

M45-49

6200

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6192

Males

5340

M45-49

5340

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7653

Males

6295

M45-49

6295

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11531

Males

8246

M45-49

8246

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7602

Males

6081

M45-49

6081

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7841

Males

6155

M45-49

6155

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6917

Males

5549

M45-49

5549

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7509

Males

5876

M45-49

5876

Passing Analysis

Category:
Athletes Passed
3810
Passed By
1363
Net Change
+2447
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12944
5K → 10K280341-61#12944#13005
10K → 15K29854-825#13005#13830
15K → 20K59711+586#13830#13244
20K → Half656+59#13244#13185
Half → 25K5582+556#13185#12629
25K → 30K6806+674#12629#11955
30K → 20M3961+395#11955#11560
20M → 21M3771+376#11560#11184
21M → 35K1512+149#11184#11035
35K → 23M90101-11#11035#11046
23M → 24M1879+178#11046#10868
24M → 40K1569+147#10868#10721
40K → 25.2M787+71#10721#10650
25.2M → Finish16613+153#10650#10497
TOTALS38101363+2447
📊

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