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BOSTON MARATHON 2023

Jean-Marc Ducharme

Bib: 10755•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M45-49)
#0 / 2252
Top 48%
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
7:29/mi
23:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:34
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:56:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:20:31
↑ 181↓ 1480.2%
20M
7:44/mi
2:31:02
↑ 64↓ 500.2%
21M
7:59/mi
2:39:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:44:37
↑ 17↓ 861.7%
23M
7:36/mi
2:54:08
↑ 23↓ 630.6%
24M
7:26/mi
3:01:34
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:08:00
↓ 200.3%
25.2M
7:50/mi
3:10:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:17:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:03
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:39:55
Pace7:37 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3023:167:2923:16
7:29
-
10K
6.21 mi11:12:2746:137:2622:57
7:23
-0:06
15K
9.32 mi11:35:481:09:347:2823:21
7:31
+0:08
20K
12.43 mi11:59:121:32:587:2923:24
7:32
+0:01
Half
13.11 mi12:04:171:38:037:295:05
7:27
-0:05
25K
15.53 mi12:22:421:56:287:3018:25
7:36
+0:09
30K
18.64 mi12:46:452:20:317:3224:03
7:44
+0:08
20M
20.00 mi12:57:162:31:027:3310:31
7:44
0:00
21M
21.00 mi13:05:152:39:017:347:59
7:59
+0:15
35K
21.75 mi13:10:512:44:377:345:36
7:29
-0:30
23M
23.00 mi13:20:222:54:087:349:31
7:36
+0:07
24M
24.00 mi13:27:483:01:347:347:26
7:26
-0:10
40K
24.85 mi13:34:143:08:007:346:26
7:31
+0:05
25.2M
25.20 mi13:36:563:10:427:342:42
7:50
+0:19
Finish
26.22 mi13:44:123:17:587:337:16
7:08
-0:42

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

7:08 /mi

Average Pace

7:33 /mi

Slowest Pace

7:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:59

96% of race

Time at Steady Pace

7:59

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:49:3023:167:2923:16
7:29
#9522
10K
6.21 mi11:12:2746:137:2622:57
7:23
#9477
15K
9.32 mi11:35:481:09:347:2823:21
7:31
#9710
20K
12.43 mi11:59:121:32:587:2923:24
7:32
#9650
Half
13.11 mi12:04:171:38:037:295:05
7:27
#9653
25K
15.53 mi12:22:421:56:287:3018:25
7:36
#9625
30K
18.64 mi12:46:452:20:317:3224:03
7:44
#9462
20M
20.00 mi12:57:162:31:027:3310:31
7:44
#9373
21M
21.00 mi13:05:152:39:017:347:59
7:59
#9196
35K
21.75 mi13:10:512:44:377:345:36
7:29
#9152
23M
23.00 mi13:20:222:54:087:349:31
7:36
#9003
24M
24.00 mi13:27:483:01:347:347:26
7:26
#8896
40K
24.85 mi13:34:143:08:007:346:26
7:31
#8813
25.2M
25.20 mi13:36:563:10:427:342:42
7:50
#8724
Finish
26.22 mi13:44:123:17:587:337:16
7:08
#8605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi95227883788310284(Top 39%)8290(Top 55%)8290(Top 368%)
10K6.21 mi3.10 mi9477+457864+197864+199480(Top 36%)7852(Top 52%)7852(Top 349%)
15K9.32 mi3.11 mi9710-2337983-1197983-11910284(Top 39%)8290(Top 55%)8290(Top 368%)
20K12.43 mi3.11 mi9650+607955+287955+289541(Top 36%)7818(Top 52%)7818(Top 347%)
Half13.11 mi0.68 mi9653-37953+27953+29747(Top 37%)7940(Top 52%)7940(Top 353%)
25K15.53 mi2.42 mi9625+287915+387915+389490(Top 36%)7701(Top 51%)7701(Top 342%)
30K18.64 mi3.11 mi9462+1637777+1387777+1388931(Top 34%)7241(Top 48%)7241(Top 322%)
20M20.00 mi1.36 mi9373+897699+787699+788420(Top 32%)6845(Top 45%)6845(Top 304%)
21M21.00 mi1.00 mi9196+1777567+1327567+1327246(Top 27%)6024(Top 40%)6024(Top 267%)
35K21.75 mi0.75 mi9152+447529+387529+388424(Top 32%)6755(Top 45%)6755(Top 300%)
23M23.00 mi1.25 mi9003+1497425+1047425+1047092(Top 27%)5887(Top 39%)5887(Top 261%)
24M24.00 mi1.00 mi8896+1077326+997326+997264(Top 27%)5877(Top 39%)5877(Top 261%)
40K24.85 mi0.85 mi8813+837259+677259+676852(Top 26%)5550(Top 37%)5550(Top 246%)
25.2M25.20 mi0.35 mi8724+897198+617198+615570(Top 21%)4669(Top 31%)4669(Top 207%)
Finish26.22 mi1.02 mi8605+1197113+857113+855996(Top 23%)4935(Top 33%)4935(Top 219%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10284

Males

8290

M45-49

8290

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9480

Males

7852

M45-49

7852

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10284

Males

8290

M45-49

8290

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9541

Males

7818

M45-49

7818

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9747

Males

7940

M45-49

7940

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9490

Males

7701

M45-49

7701

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8931

Males

7241

M45-49

7241

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8420

Males

6845

M45-49

6845

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7246

Males

6024

M45-49

6024

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8424

Males

6755

M45-49

6755

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7092

Males

5887

M45-49

5887

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7264

Males

5877

M45-49

5877

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6852

Males

5550

M45-49

5550

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5570

Males

4669

M45-49

4669

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

5996

Males

4935

M45-49

4935

Passing Analysis

Category:
Athletes Passed
1978*
Passed By
1061
Net Change
+917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9522
5K → 10K310265+45#9522#9477
10K → 15K88321-233#9477#9710
15K → 20K174114+60#9710#9650
20K → Half2124-3#9650#9653
Half → 25K138110+28#9653#9625
25K → 30K244*81+163#9625#9462
30K → 20M12839+89#9462#9373
20M → 21M19316+177#9373#9196
21M → 35K6319+44#9196#9152
35K → 23M16617+149#9152#9003
23M → 24M13023+107#9003#8896
24M → 40K10017+83#8896#8813
40K → 25.2M901+89#8813#8724
25.2M → Finish13314+119#8724#8605
TOTALS1978*1061+917

* 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