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BOSTON MARATHON 2023

David Jones

Bib: 25032•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M45-49)
#0 / 2252
Top 23%
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
7:57/mi
24:41
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
45:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:53/mi
1:06:53
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:29:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:34:04
↑ 19↓ 370.5%
25K· 15.53 mi
6:55/mi
1:50:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:12:43
↑ 181↓ 1480.2%
20M
7:13/mi
2:22:31
↑ 64↓ 500.2%
21M
7:26/mi
2:29:57
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:35:08
↑ 17↓ 861.7%
23M
7:10/mi
2:44:06
↑ 23↓ 630.6%
24M
6:53/mi
2:50:59
↓ 821.3%
40K· 24.85 mi
6:55/mi
2:56:54
↓ 200.3%
25.2M
7:24/mi
2:59:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:29/mi
3:06:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:04
Pace7:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:59
Pace7:01 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:2124:417:5724:41
7:57
-
10K
6.21 mi12:02:0945:297:1920:48
6:42
-1:15
15K
9.32 mi12:23:331:06:537:1121:24
6:53
+0:11
20K
12.43 mi12:45:561:29:167:1122:23
7:12
+0:19
Half
13.11 mi12:50:441:34:047:114:48
7:02
-0:10
25K
15.53 mi13:07:311:50:517:0816:47
6:55
-0:07
30K
18.64 mi13:29:232:12:437:0721:52
7:02
+0:07
20M
20.00 mi13:39:112:22:317:089:48
7:13
+0:11
21M
21.00 mi13:46:372:29:577:087:26
7:26
+0:13
35K
21.75 mi13:51:482:35:087:085:11
6:56
-0:30
23M
23.00 mi14:00:462:44:067:088:58
7:10
+0:14
24M
24.00 mi14:07:392:50:597:076:53
6:53
-0:17
40K
24.85 mi14:13:342:56:547:075:55
6:55
+0:02
25.2M
25.20 mi14:16:072:59:277:072:33
7:24
+0:29
Finish
26.22 mi14:22:433:06:037:066:36
6:29
-0:55

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

6:29 /mi

Average Pace

7:06 /mi

Slowest Pace

7:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:24

15% of race

Time at Steady Pace

1:54:11

61% of race

Time at Slower Pace

44:28

24% of race

Average Pace: 7:06 /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 mi11:41:2124:417:5724:41
7:57
#13603
10K
6.21 mi12:02:0945:297:1920:48
6:42
#8570
15K
9.32 mi12:23:331:06:537:1121:24
6:53
#7581
20K
12.43 mi12:45:561:29:167:1122:23
7:12
#7420
Half
13.11 mi12:50:441:34:047:114:48
7:02
#7376
25K
15.53 mi13:07:311:50:517:0816:47
6:55
#6978
30K
18.64 mi13:29:232:12:437:0721:52
7:02
#6517
20M
20.00 mi13:39:112:22:317:089:48
7:13
#6381
21M
21.00 mi13:46:372:29:577:087:26
7:26
#6228
35K
21.75 mi13:51:482:35:087:085:11
6:56
#6165
23M
23.00 mi14:00:462:44:067:088:58
7:10
#6017
24M
24.00 mi14:07:392:50:597:076:53
6:53
#5868
40K
24.85 mi14:13:342:56:547:075:55
6:55
#5741
25.2M
25.20 mi14:16:072:59:277:072:33
7:24
#5681
Finish
26.22 mi14:22:433:06:037:066:36
6:29
#5490
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi13603979897985871(Top 22%)5359(Top 35%)5359(Top 238%)
10K6.21 mi3.10 mi8570+50337309+24897309+24894294(Top 16%)4022(Top 27%)4022(Top 179%)
15K9.32 mi3.11 mi7581+9896674+6356674+6355871(Top 22%)5359(Top 35%)5359(Top 238%)
20K12.43 mi3.11 mi7420+1616551+1236551+1237113(Top 27%)6291(Top 41%)6291(Top 279%)
Half13.11 mi0.68 mi7376+446519+326519+326685(Top 25%)5992(Top 39%)5992(Top 266%)
25K15.53 mi2.42 mi6978+3986220+2996220+2995108(Top 19%)4718(Top 31%)4718(Top 210%)
30K18.64 mi3.11 mi6517+4615855+3655855+3654604(Top 17%)4263(Top 28%)4263(Top 189%)
20M20.00 mi1.36 mi6381+1365739+1165739+1165165(Top 19%)4672(Top 31%)4672(Top 207%)
21M21.00 mi1.00 mi6228+1535610+1295610+1294295(Top 16%)3935(Top 26%)3935(Top 175%)
35K21.75 mi0.75 mi6165+635558+525558+524941(Top 19%)4447(Top 29%)4447(Top 197%)
23M23.00 mi1.25 mi6017+1485429+1295429+1294611(Top 17%)4170(Top 27%)4170(Top 185%)
24M24.00 mi1.00 mi5868+1495306+1235306+1234110(Top 15%)3741(Top 25%)3741(Top 166%)
40K24.85 mi0.85 mi5741+1275199+1075199+1073453(Top 13%)3154(Top 21%)3154(Top 140%)
25.2M25.20 mi0.35 mi5681+605145+545145+543436(Top 13%)3119(Top 21%)3119(Top 138%)
Finish26.22 mi1.02 mi5490+1914992+1534992+1532390(Top 9%)2208(Top 15%)2208(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5871

Males

5359

M45-49

5359

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4294

Males

4022

M45-49

4022

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5871

Males

5359

M45-49

5359

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7113

Males

6291

M45-49

6291

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6685

Males

5992

M45-49

5992

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5108

Males

4718

M45-49

4718

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4604

Males

4263

M45-49

4263

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5165

Males

4672

M45-49

4672

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4295

Males

3935

M45-49

3935

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4941

Males

4447

M45-49

4447

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4611

Males

4170

M45-49

4170

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4110

Males

3741

M45-49

3741

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3453

Males

3154

M45-49

3154

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3436

Males

3119

M45-49

3119

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2390

Males

2208

M45-49

2208

Passing Analysis

Category:
Athletes Passed
8202*
Passed By
89
Net Change
+8113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13603
5K → 10K5033*0+5033#13603#8570
10K → 15K9890+989#8570#7581
15K → 20K20241+161#7581#7420
20K → Half528+44#7420#7376
Half → 25K3991+398#7376#6978
25K → 30K4621+461#6978#6517
30K → 20M14610+136#6517#6381
20M → 21M1607+153#6381#6228
21M → 35K718+63#6228#6165
35K → 23M1535+148#6165#6017
23M → 24M1523+149#6017#5868
24M → 40K1303+127#5868#5741
40K → 25.2M611+60#5741#5681
25.2M → Finish1921+191#5681#5490
TOTALS8202*89+8113

* 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