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BOSTON MARATHON 2023

Jean-Luc Chauvin

Bib: 12114•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M55-59)
#0 / 1422
Top 10%
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
7:21/mi
22:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
44:22
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:05:51
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:28:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:32:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:51:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:15:11
↑ 181↓ 1480.2%
20M
7:45/mi
2:25:43
↑ 64↓ 500.2%
21M
8:04/mi
2:33:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:39:22
↑ 17↓ 861.7%
23M
7:34/mi
2:48:51
↑ 23↓ 630.6%
24M
7:30/mi
2:56:21
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:02:51
↓ 200.3%
25.2M
8:27/mi
3:05:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:13:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:52
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:40:54
Pace7:42 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1722:517:2122:51
7:21
-
10K
6.21 mi11:11:4844:227:0821:31
6:56
-0:25
15K
9.32 mi11:33:171:05:517:0421:29
6:55
-0:01
20K
12.43 mi11:55:261:28:007:0522:09
7:08
+0:13
Half
13.11 mi12:00:181:32:527:054:52
7:08
0:00
25K
15.53 mi12:19:101:51:447:1218:52
7:47
+0:39
30K
18.64 mi12:42:372:15:117:1523:27
7:33
-0:14
20M
20.00 mi12:53:092:25:437:1710:32
7:45
+0:12
21M
21.00 mi13:01:132:33:477:198:04
8:04
+0:19
35K
21.75 mi13:06:482:39:227:205:35
7:28
-0:36
23M
23.00 mi13:16:172:48:517:209:29
7:34
+0:06
24M
24.00 mi13:23:472:56:217:217:30
7:30
-0:04
40K
24.85 mi13:30:173:02:517:216:30
7:36
+0:06
25.2M
25.20 mi13:33:123:05:467:222:55
8:27
+0:51
Finish
26.22 mi13:41:123:13:467:248:00
7:51
-0:36

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

6:55 /mi

Average Pace

7:24 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:01

36% of race

Time at Steady Pace

1:25:54

44% of race

Time at Slower Pace

37:51

20% of race

Average Pace: 7:23 /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 mi10:50:1722:517:2122:51
7:21
#8469
10K
6.21 mi11:11:4844:227:0821:31
6:56
#7364
15K
9.32 mi11:33:171:05:517:0421:29
6:55
#6871
20K
12.43 mi11:55:261:28:007:0522:09
7:08
#6810
Half
13.11 mi12:00:181:32:527:054:52
7:08
#6842
25K
15.53 mi12:19:101:51:447:1218:52
7:47
#7327
30K
18.64 mi12:42:372:15:117:1523:27
7:33
#7309
20M
20.00 mi12:53:092:25:437:1710:32
7:45
#7344
21M
21.00 mi13:01:132:33:477:198:04
8:04
#7348
35K
21.75 mi13:06:482:39:227:205:35
7:28
#7359
23M
23.00 mi13:16:172:48:517:209:29
7:34
#7294
24M
24.00 mi13:23:472:56:217:217:30
7:30
#7269
40K
24.85 mi13:30:173:02:517:216:30
7:36
#7247
25.2M
25.20 mi13:33:123:05:467:222:55
8:27
#7263
Finish
26.22 mi13:41:123:13:467:248:00
7:51
#7373
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8469728172816065(Top 23%)5511(Top 36%)5511(Top 388%)
10K6.21 mi3.10 mi7364+11056531+7506531+7506320(Top 24%)5719(Top 38%)5719(Top 402%)
15K9.32 mi3.11 mi6871+4936155+3766155+3766065(Top 23%)5511(Top 36%)5511(Top 388%)
20K12.43 mi3.11 mi6810+616109+466109+466716(Top 25%)5999(Top 40%)5999(Top 422%)
Half13.11 mi0.68 mi6842-326136-276136-277358(Top 28%)6478(Top 43%)6478(Top 456%)
25K15.53 mi2.42 mi7327-4856477-3416477-34110922(Top 41%)8456(Top 56%)8456(Top 595%)
30K18.64 mi3.11 mi7309+186434+436434+437550(Top 28%)6418(Top 42%)6418(Top 451%)
20M20.00 mi1.36 mi7344-356442-86442-88490(Top 32%)6882(Top 45%)6882(Top 484%)
21M21.00 mi1.00 mi7348-46419+236419+237758(Top 29%)6341(Top 42%)6341(Top 446%)
35K21.75 mi0.75 mi7359-116413+66413+68206(Top 31%)6607(Top 44%)6607(Top 465%)
23M23.00 mi1.25 mi7294+656348+656348+656890(Top 26%)5755(Top 38%)5755(Top 405%)
24M24.00 mi1.00 mi7269+256315+336315+337679(Top 29%)6117(Top 40%)6117(Top 430%)
40K24.85 mi0.85 mi7247+226283+326283+327315(Top 27%)5814(Top 38%)5814(Top 409%)
25.2M25.20 mi0.35 mi7263-166284-16284-19163(Top 34%)6823(Top 45%)6823(Top 480%)
Finish26.22 mi1.02 mi7373-1106331-476331-4711013(Top 41%)7789(Top 51%)7789(Top 548%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6065

Males

5511

M55-59

5511

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6320

Males

5719

M55-59

5719

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6065

Males

5511

M55-59

5511

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6716

Males

5999

M55-59

5999

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7358

Males

6478

M55-59

6478

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10922

Males

8456

M55-59

8456

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7550

Males

6418

M55-59

6418

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8490

Males

6882

M55-59

6882

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7758

Males

6341

M55-59

6341

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8206

Males

6607

M55-59

6607

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6890

Males

5755

M55-59

5755

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7679

Males

6117

M55-59

6117

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7315

Males

5814

M55-59

5814

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9163

Males

6823

M55-59

6823

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11013

Males

7789

M55-59

7789

Passing Analysis

Category:
Athletes Passed
2349
Passed By
1253
Net Change
+1096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8469
5K → 10K111510+1105#8469#7364
10K → 15K50714+493#7364#6871
15K → 20K13372+61#6871#6810
20K → Half638-32#6810#6842
Half → 25K11496-485#6842#7327
25K → 30K135117+18#7327#7309
30K → 20M5590-35#7309#7344
20M → 21M5963-4#7344#7348
21M → 35K4354-11#7348#7359
35K → 23M10237+65#7359#7294
23M → 24M6237+25#7294#7269
24M → 40K5735+22#7269#7247
40K → 25.2M2137-16#7247#7263
25.2M → Finish43153-110#7263#7373
TOTALS23491253+1096
📊

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