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BOSTON MARATHON 2023

James Dunne

MA

Bib: 29729 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:05/mi
34:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
12:10/mi
1:12:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
13:09/mi
1:53:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
14:10/mi
2:37:08
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
12:23/mi
2:45:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:50/mi
3:16:41
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
13:26/mi
3:58:25
↑ 181↓ 1480.2%
138 ft elev
20M
13:52/mi
4:17:15
↑ 64↓ 500.2%
148 ft elev
21M
17:52/mi
4:35:07
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:54/mi
4:44:46
↑ 17↓ 861.7%
156 ft elev
23M
13:54/mi
5:02:10
↑ 23↓ 630.6%
116 ft elev
24M
13:09/mi
5:15:19
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:33/mi
5:26:54
↓ 200.3%
20 ft elev
25.2M
14:21/mi
5:31:51
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:01/mi
5:44:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:35
Pace12:38 /mi
2nd Half
Distance13.11 mi
Time2:58:31
Pace13:37 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4134:2711:0534:27
11:05
-
10K
6.21 mi12:30:301:12:1611:3837:49
12:10
+1:05
15K
9.32 mi13:11:201:53:0612:0840:50
13:09
+0:59
20K
12.43 mi13:55:222:37:0812:3944:02
14:10
+1:01
Half
13.11 mi14:03:492:45:3512:388:27
12:23
-1:47
25K
15.53 mi14:34:553:16:4112:4031:06
12:50
+0:27
30K
18.64 mi15:16:393:58:2512:4741:44
13:26
+0:36
20M
20.00 mi15:35:294:17:1512:5218:50
13:52
+0:26
21M
21.00 mi15:53:214:35:0713:0617:52
17:52
+4:00
35K
21.75 mi16:03:004:44:4613:069:39
12:54
-4:58
23M
23.00 mi16:20:245:02:1013:0817:24
13:54
+1:00
24M
24.00 mi16:33:335:15:1913:0813:09
13:09
-0:45
40K
24.85 mi16:45:085:26:5413:0911:35
13:33
+0:24
25.2M
25.20 mi16:50:055:31:5113:104:57
14:21
+0:48
Finish
26.22 mi17:02:205:44:0613:0812:15
12:01
-2:20

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

11:05 /mi

Average Pace

13:08 /mi

Slowest Pace

17:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:58

27% of race

Time at Steady Pace

2:46:53

48% of race

Time at Slower Pace

1:24:15

24% of race

Average Pace: 13:07 /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 mi11:52:4134:2711:0534:27
11:05
#25805
10K
6.21 mi12:30:301:12:1611:3837:49
12:10
#26184
15K
9.32 mi13:11:201:53:0612:0840:50
13:09
#26362
20K
12.43 mi13:55:222:37:0812:3944:02
14:10
#26460
Half
13.11 mi14:03:492:45:3512:388:27
12:23
#26450
25K
15.53 mi14:34:553:16:4112:4031:06
12:50
#26369
30K
18.64 mi15:16:393:58:2512:4741:44
13:26
#26296
20M
20.00 mi15:35:294:17:1512:5218:50
13:52
#26273
21M
21.00 mi15:53:214:35:0713:0617:52
17:52
#26324
35K
21.75 mi16:03:004:44:4613:069:39
12:54
#26305
23M
23.00 mi16:20:245:02:1013:0817:24
13:54
#26298
24M
24.00 mi16:33:335:15:1913:0813:09
13:09
#26277
40K
24.85 mi16:45:085:26:5413:0911:35
13:33
#26252
25.2M
25.20 mi16:50:055:31:5113:104:57
14:21
#26246
Finish
26.22 mi17:02:205:44:0613:0812:15
12:01
#26228
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25805148571485726517(Top 100%)15125(Top 100%)15125(Top 675%)
10K6.21 mi3.10 mi26184-37915009-15215009-15226360(Top 99%)15066(Top 99%)15066(Top 672%)
15K9.32 mi3.11 mi26362-17815069-6015069-6026517(Top 100%)15125(Top 100%)15125(Top 675%)
20K12.43 mi3.11 mi26460-9815104-3515104-3526539(Top 100%)15137(Top 100%)15137(Top 675%)
Half13.11 mi0.68 mi26450+1015101+315101+326098(Top 98%)14955(Top 99%)14955(Top 667%)
25K15.53 mi2.42 mi26369+8115083+1815083+1825766(Top 97%)14804(Top 98%)14804(Top 661%)
30K18.64 mi3.11 mi26296+7315051+3215051+3225710(Top 97%)14733(Top 97%)14733(Top 657%)
20M20.00 mi1.36 mi26273+2315033+1815033+1825751(Top 97%)14742(Top 97%)14742(Top 658%)
21M21.00 mi1.00 mi26324-5115054-2115054-2126542(Top 100%)15136(Top 100%)15136(Top 675%)
35K21.75 mi0.75 mi26305+1915049+515049+525493(Top 96%)14573(Top 96%)14573(Top 650%)
23M23.00 mi1.25 mi26298+715042+715042+725762(Top 97%)14711(Top 97%)14711(Top 656%)
24M24.00 mi1.00 mi26277+2115022+2015022+2025587(Top 96%)14596(Top 96%)14596(Top 651%)
40K24.85 mi0.85 mi26252+2515012+1015012+1025387(Top 95%)14503(Top 96%)14503(Top 647%)
25.2M25.20 mi0.35 mi26246+615013-115013-125282(Top 95%)14446(Top 95%)14446(Top 645%)
Finish26.22 mi1.02 mi26228+1815000+1315000+1325250(Top 95%)14436(Top 95%)14436(Top 644%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

26517

Males

15125

M40-44

15125

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26360

Males

15066

M40-44

15066

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

26517

Males

15125

M40-44

15125

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26539

Males

15137

M40-44

15137

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26098

Males

14955

M40-44

14955

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25766

Males

14804

M40-44

14804

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25710

Males

14733

M40-44

14733

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25751

Males

14742

M40-44

14742

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26542

Males

15136

M40-44

15136

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

25493

Males

14573

M40-44

14573

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25762

Males

14711

M40-44

14711

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25587

Males

14596

M40-44

14596

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25387

Males

14503

M40-44

14503

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25282

Males

14446

M40-44

14446

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25250

Males

14436

M40-44

14436

Passing Analysis

Category:
Athletes Passed
347
Passed By
770
Net Change
-423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25805
5K → 10K4383-379#25805#26184
10K → 15K6184-178#26184#26362
15K → 20K11109-98#26362#26460
20K → Half111+10#26460#26450
Half → 25K832+81#26450#26369
25K → 30K829+73#26369#26296
30K → 20M307+23#26296#26273
20M → 21M152-51#26273#26324
21M → 35K190+19#26324#26305
35K → 23M158+7#26305#26298
23M → 24M287+21#26298#26277
24M → 40K283+25#26277#26252
40K → 25.2M82+6#26252#26246
25.2M → Finish213+18#26246#26228
TOTALS347770-423
📊

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