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BOSTON MARATHON 2023

Jonathan Dunford

Bib: 15896•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
11:39/mi
36:12
↑ 97↓ 3451.5%
10K· 6.21 mi
14:25/mi
1:20:58
↑ 79↓ 1380.4%
15K· 9.32 mi
13:33/mi
2:03:05
↑ 67↓ 78
20K· 12.43 mi
13:33/mi
2:45:12
↑ 106↓ 860.1%
Half· 13.11 mi
13:54/mi
2:54:41
↑ 19↓ 370.5%
25K· 15.53 mi
13:52/mi
3:28:19
↑ 66↓ 880.2%
30K· 18.64 mi
14:54/mi
4:14:37
↑ 181↓ 1480.2%
20M
14:10/mi
4:33:52
↑ 64↓ 500.2%
21M
15:22/mi
4:49:14
↑ 106↓ 241.6%
35K· 21.75 mi
14:52/mi
5:00:21
↑ 17↓ 861.7%
23M
13:44/mi
5:17:33
↑ 23↓ 630.6%
24M
12:36/mi
5:30:09
↓ 821.3%
40K· 24.85 mi
13:36/mi
5:41:47
↓ 200.3%
25.2M
14:36/mi
5:46:49
↑ 13↓ 160.2%
Finish· 26.22 mi
12:57/mi
6:00:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:54:41
Pace13:19 /mi
2nd Half
Distance13.11 mi
Time3:05:20
Pace14:08 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:4336:1211:3936:12
11:39
-
10K
6.21 mi11:50:291:20:5813:0244:46
14:25
+2:46
15K
9.32 mi12:32:362:03:0513:1242:07
13:33
-0:52
20K
12.43 mi13:14:432:45:1213:1842:07
13:33
0:00
Half
13.11 mi13:24:122:54:4113:199:29
13:54
+0:21
25K
15.53 mi13:57:503:28:1913:2533:38
13:52
-0:02
30K
18.64 mi14:44:084:14:3713:4046:18
14:54
+1:02
20M
20.00 mi15:03:234:33:5213:4219:15
14:10
-0:44
21M
21.00 mi15:18:454:49:1413:4615:22
15:22
+1:12
35K
21.75 mi15:29:525:00:2113:4911:07
14:52
-0:30
23M
23.00 mi15:47:045:17:3313:4817:12
13:44
-1:08
24M
24.00 mi15:59:405:30:0913:4512:36
12:36
-1:08
40K
24.85 mi16:11:185:41:4713:4511:38
13:36
+1:00
25.2M
25.20 mi16:16:205:46:4913:465:02
14:36
+1:00
Finish
26.22 mi16:29:326:00:0113:4413:12
12:57
-1:39

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

11:39 /mi

Average Pace

13:44 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:00

17% of race

Time at Steady Pace

2:55:26

49% of race

Time at Slower Pace

2:02:35

34% of race

Average Pace: 13:44 /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 mi11:05:4336:1211:3936:12
11:39
#26298
10K
6.21 mi11:50:291:20:5813:0244:46
14:25
#26587
15K
9.32 mi12:32:362:03:0513:1242:07
13:33
#26592
20K
12.43 mi13:14:432:45:1213:1842:07
13:33
#26584
Half
13.11 mi13:24:122:54:4113:199:29
13:54
#26585
25K
15.53 mi13:57:503:28:1913:2533:38
13:52
#26583
30K
18.64 mi14:44:084:14:3713:4046:18
14:54
#26585
20M
20.00 mi15:03:234:33:5213:4219:15
14:10
#26575
21M
21.00 mi15:18:454:49:1413:4615:22
15:22
#26572
35K
21.75 mi15:29:525:00:2113:4911:07
14:52
#26578
23M
23.00 mi15:47:045:17:3313:4817:12
13:44
#26562
24M
24.00 mi15:59:405:30:0913:4512:36
12:36
#26548
40K
24.85 mi16:11:185:41:4713:4511:38
13:36
#26532
25.2M
25.20 mi16:16:205:46:4913:465:02
14:36
#26527
Finish
26.22 mi16:29:326:00:0113:4413:12
12:57
#26518
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi26298150471504726576(Top 100%)15146(Top 100%)15146(Top 1365%)
10K6.21 mi3.10 mi26587-28915156-10915156-10926616(Top 100%)15171(Top 100%)15171(Top 1367%)
15K9.32 mi3.11 mi26592-515155+115155+126576(Top 100%)15146(Top 100%)15146(Top 1365%)
20K12.43 mi3.11 mi26584+815150+515150+526431(Top 99%)15094(Top 99%)15094(Top 1360%)
Half13.11 mi0.68 mi26585-115152-215152-226525(Top 100%)15128(Top 100%)15128(Top 1363%)
25K15.53 mi2.42 mi26583+215151+115151+126289(Top 99%)15029(Top 99%)15029(Top 1354%)
30K18.64 mi3.11 mi26585-215153-215153-226395(Top 99%)15064(Top 99%)15064(Top 1357%)
20M20.00 mi1.36 mi26575+1015149+415149+425917(Top 97%)14819(Top 98%)14819(Top 1335%)
21M21.00 mi1.00 mi26572+3151491514925936(Top 97%)14841(Top 98%)14841(Top 1337%)
35K21.75 mi0.75 mi26578-615148+115148+126386(Top 99%)15041(Top 99%)15041(Top 1355%)
23M23.00 mi1.25 mi26562+1615142+615142+625646(Top 96%)14649(Top 97%)14649(Top 1320%)
24M24.00 mi1.00 mi26548+1415140+215140+225161(Top 95%)14378(Top 95%)14378(Top 1295%)
40K24.85 mi0.85 mi26532+1615133+715133+725423(Top 95%)14521(Top 96%)14521(Top 1308%)
25.2M25.20 mi0.35 mi26527+515130+315130+325458(Top 96%)14529(Top 96%)14529(Top 1309%)
Finish26.22 mi1.02 mi26518+915124+615124+625949(Top 97%)14782(Top 97%)14782(Top 1332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

26576

Males

15146

M60-64

15146

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

26616

Males

15171

M60-64

15171

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

26576

Males

15146

M60-64

15146

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26431

Males

15094

M60-64

15094

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

26525

Males

15128

M60-64

15128

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26289

Males

15029

M60-64

15029

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26395

Males

15064

M60-64

15064

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25917

Males

14819

M60-64

14819

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25936

Males

14841

M60-64

14841

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26386

Males

15041

M60-64

15041

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25646

Males

14649

M60-64

14649

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25161

Males

14378

M60-64

14378

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25423

Males

14521

M60-64

14521

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25458

Males

14529

M60-64

14529

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25949

Males

14782

M60-64

14782

Passing Analysis

Category:
Athletes Passed
109
Passed By
329
Net Change
-220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26298
5K → 10K0289-289#26298#26587
10K → 15K611-5#26587#26592
15K → 20K91+8#26592#26584
20K → Half12-1#26584#26585
Half → 25K64+2#26585#26583
25K → 30K46-2#26583#26585
30K → 20M111+10#26585#26575
20M → 21M41+3#26575#26572
21M → 35K28-6#26572#26578
35K → 23M160+16#26578#26562
23M → 24M151+14#26562#26548
24M → 40K160+16#26548#26532
40K → 25.2M50+5#26532#26527
25.2M → Finish145+9#26527#26518
TOTALS109329-220
📊

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