Boston Marathon logo
BOSTON MARATHON 2023

Richard Duchon

CA

Bib: 1515 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M40-44)
#0 / 2241
Top 4%
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
6:08/mi
19:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:02/mi
37:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:06/mi
56:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:08/mi
1:15:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:03/mi
1:19:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:06/mi
1:34:44
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:22/mi
1:54:30
↑ 181↓ 1480.2%
138 ft elev
20M
6:18/mi
2:03:03
↑ 64↓ 500.2%
148 ft elev
21M
6:35/mi
2:09:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:05/mi
2:14:11
↑ 17↓ 861.7%
156 ft elev
23M
6:19/mi
2:22:05
↑ 23↓ 630.6%
116 ft elev
24M
6:06/mi
2:28:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:24/mi
2:33:39
↓ 200.3%
20 ft elev
25.2M
6:49/mi
2:36:00
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:23/mi
2:42:30
↑ 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
1:19:566:06 /mi⚡ faster
2nd Half
1:22:346:18 /mi+3.3%
Positive split — 3.3% 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
19:046:083.11 mi19:04
6:08
-
10K
37:486:053.10 mi18:44
6:02
-0:06
15K
56:456:053.11 mi18:57
6:06
+0:04
20K
1:15:486:063.11 mi19:03
6:08
+0:02
Half(13.11 mi)
1:19:566:060.68 mi4:08
6:03
-0:05
25K
1:34:446:062.42 mi14:48
6:06
+0:03
30K
1:54:306:093.11 mi19:46
6:22
+0:16
20M
2:03:036:091.36 mi8:33
6:18
-0:04
21M
2:09:386:101.00 mi6:35
6:35
+0:17
35K
2:14:116:100.75 mi4:33
6:05
-0:30
23M
2:22:056:111.25 mi7:54
6:19
+0:14
24M
2:28:116:101.00 mi6:06
6:06
-0:13
40K
2:33:396:110.85 mi5:28
6:24
+0:18
25.2M
2:36:006:110.35 mi2:21
6:49
+0:25
Finish(26.22 mi)
2:42:306:121.02 mi6:30
6:23
-0:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:02 /mi

Average Pace

6:12 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:40:09

99% of race

Time at Steady Pace

2:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi977921921969920920
10K3.10 mi925+52874+47874+47883835835
15K3.11 mi932-7882-8882-8969920920
20K3.11 mi908+24860+22860+22862817817
Half(13.11 mi)0.68 mi903+5855+5855+5909866866
25K2.42 mi869+34822+33822+33757716716
30K3.11 mi876-7828-6828-6109110381038
20M1.36 mi863+13816+12816+12847806806
21M1.00 mi845+18800+16800+16825781781
35K0.75 mi844+1799+1799+1866823823
23M1.25 mi824+20779+20779+20853809809
24M1.00 mi808+16763+16763+16761721721
40K0.85 mi806+2761+2761+2116811031103
25.2M0.35 mi799+7755+6755+6116211011101
Finish(26.22 mi)1.02 mi815-16771-16771-16190117721772

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

969

Males

920

M40-44

920

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

883

Males

835

M40-44

835

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

969

Males

920

M40-44

920

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

862

Males

817

M40-44

817

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

909

Males

866

M40-44

866

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

757

Males

716

M40-44

716

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1091

Males

1038

M40-44

1038

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

847

Males

806

M40-44

806

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

825

Males

781

M40-44

781

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

866

Males

823

M40-44

823

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

853

Males

809

M40-44

809

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

761

Males

721

M40-44

721

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1168

Males

1103

M40-44

1103

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1162

Males

1101

M40-44

1101

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1901

Males

1772

M40-44

1772

Passing Analysis

Category:
Passed
356
Passed By
194
Net Change
+162
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#977
5K → 10K8129+52#977#925
10K → 15K2633-7#925#932
15K → 20K4420+24#932#908
20K → Half83+5#908#903
Half → 25K4410+34#903#869
25K → 30K2532-7#869#876
30K → 20M196+13#876#863
20M → 21M279+18#863#845
21M → 35K87+1#845#844
35K → 23M266+20#844#824
23M → 24M193+16#824#808
24M → 40K119+2#808#806
40K → 25.2M103+7#806#799
25.2M → Finish824-16#799#815
TOTALS356194+162

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing