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BOSTON MARATHON 2023

Joel Duhon

NC

Bib: 13029 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
8:11/mi
25:25
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:53/mi
49:53
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:51/mi
1:14:17
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:55/mi
1:38:53
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:53/mi
1:44:16
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:59/mi
2:03:38
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:13/mi
2:29:10
↑ 181↓ 1480.2%
138 ft elev
20M
8:10/mi
2:40:16
↑ 64↓ 500.2%
148 ft elev
21M
8:41/mi
2:48:57
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:08/mi
2:55:02
↑ 17↓ 861.7%
156 ft elev
23M
8:30/mi
3:05:40
↑ 23↓ 630.6%
116 ft elev
24M
8:32/mi
3:14:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:32/mi
3:21:30
↓ 200.3%
20 ft elev
25.2M
9:02/mi
3:24:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:09/mi
3:32:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:44:167:57 /mi⚡ faster
2nd Half
1:48:398:17 /mi+4.2%
Positive split — 4.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:258:113.11 mi25:25
8:11
-
10K
49:538:023.10 mi24:28
7:53
-0:18
15K
1:14:177:583.11 mi24:24
7:51
-0:02
20K
1:38:537:573.11 mi24:36
7:55
+0:04
Half(13.11 mi)
1:44:167:570.68 mi5:23
7:53
-0:02
25K
2:03:387:582.42 mi19:22
7:59
+0:06
30K
2:29:108:003.11 mi25:32
8:13
+0:14
20M
2:40:168:011.36 mi11:06
8:10
-0:03
21M
2:48:578:031.00 mi8:41
8:41
+0:31
35K
2:55:028:030.75 mi6:05
8:08
-0:33
23M
3:05:408:041.25 mi10:38
8:30
+0:22
24M
3:14:128:061.00 mi8:32
8:32
+0:02
40K
3:21:308:060.85 mi7:18
8:32
0:00
25.2M
3:24:378:070.35 mi3:07
9:02
+0:30
Finish(26.22 mi)
3:32:558:081.02 mi8:18
8:09
-0:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:51 /mi

Average Pace

8:08 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:21:07

94% of race

Time at Steady Pace

11:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1530610447104471313795559555
10K6.21 mi3.10 mi14569+73710162+28510162+2851374998419841
15K9.32 mi3.11 mi14133+4369971+1919971+1911313795559555
20K12.43 mi3.11 mi13748+3859794+1779794+1771276093289328
Half13.11 mi0.68 mi13730+189793+19793+11346096659665
25K15.53 mi2.42 mi13535+1959694+999694+991263491849184
30K18.64 mi3.11 mi13316+2199564+1309564+1301246590089008
20M20.00 mi1.36 mi13150+1669481+839481+831146384758475
21M21.00 mi1.00 mi13019+1319405+769405+761155383728372
35K21.75 mi0.75 mi12996+239374+319374+311297089688968
23M23.00 mi1.25 mi12979+179344+309344+301315189848984
24M24.00 mi1.00 mi13062-839359-159359-151464695799579
40K24.85 mi0.85 mi13058+49331+289331+281356090369036
25.2M25.20 mi0.35 mi13042+169315+169315+161268485978597
Finish26.22 mi1.02 mi13035+79298+179298+171305387988798

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13137

Males

9555

M45-49

9555

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13749

Males

9841

M45-49

9841

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13137

Males

9555

M45-49

9555

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12760

Males

9328

M45-49

9328

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13460

Males

9665

M45-49

9665

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12634

Males

9184

M45-49

9184

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12465

Males

9008

M45-49

9008

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11463

Males

8475

M45-49

8475

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11553

Males

8372

M45-49

8372

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12970

Males

8968

M45-49

8968

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13151

Males

8984

M45-49

8984

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14646

Males

9579

M45-49

9579

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13560

Males

9036

M45-49

9036

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12684

Males

8597

M45-49

8597

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13053

Males

8798

M45-49

8798

Passing Analysis

Category:
Athletes Passed
3013
Passed By
742
Net Change
+2271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15306
5K → 10K80871+737#15306#14569
10K → 15K48751+436#14569#14133
15K → 20K41934+385#14133#13748
20K → Half3618+18#13748#13730
Half → 25K24146+195#13730#13535
25K → 30K31192+219#13535#13316
30K → 20M18115+166#13316#13150
20M → 21M16837+131#13150#13019
21M → 35K5835+23#13019#12996
35K → 23M10083+17#12996#12979
23M → 24M38121-83#12979#13062
24M → 40K6561+4#13062#13058
40K → 25.2M3014+16#13058#13042
25.2M → Finish7164+7#13042#13035
TOTALS3013742+2271

Passing Charts

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