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BOSTON MARATHON 2023

Jérôme Gacoin

Bib: 16164•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M55-59)
#0 / 1422
Top 30%
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
7:42/mi
23:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:11:18
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:35:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:40:33
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:59:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:24:55
↑ 181↓ 1480.2%
20M
8:07/mi
2:35:57
↑ 64↓ 500.2%
21M
8:44/mi
2:44:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:50:41
↑ 17↓ 861.7%
23M
8:13/mi
3:00:58
↑ 23↓ 630.6%
24M
8:03/mi
3:09:01
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:15:53
↓ 200.3%
25.2M
8:54/mi
3:18:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:26:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:33
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0323:557:4223:55
7:42
-
10K
6.21 mi11:37:3947:317:3923:36
7:36
-0:06
15K
9.32 mi12:01:261:11:187:3923:47
7:39
+0:03
20K
12.43 mi12:25:321:35:247:4124:06
7:45
+0:06
Half
13.11 mi12:30:411:40:337:405:09
7:33
-0:12
25K
15.53 mi12:49:391:59:317:4218:58
7:49
+0:16
30K
18.64 mi13:15:032:24:557:4625:24
8:11
+0:22
20M
20.00 mi13:26:052:35:577:4811:02
8:07
-0:04
21M
21.00 mi13:34:492:44:417:518:44
8:44
+0:37
35K
21.75 mi13:40:492:50:417:516:00
8:01
-0:43
23M
23.00 mi13:51:063:00:587:5210:17
8:13
+0:12
24M
24.00 mi13:59:093:09:017:538:03
8:03
-0:10
40K
24.85 mi14:06:013:15:537:536:52
8:02
-0:01
25.2M
25.20 mi14:09:053:18:577:543:04
8:54
+0:52
Finish
26.22 mi14:16:593:26:517:547:54
7:45
-1:09

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

7:33 /mi

Average Pace

7:54 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:03

94% of race

Time at Steady Pace

11:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:14:0323:557:4223:55
7:42
#11415
10K
6.21 mi11:37:3947:317:3923:36
7:36
#11322
15K
9.32 mi12:01:261:11:187:3923:47
7:39
#11356
20K
12.43 mi12:25:321:35:247:4124:06
7:45
#11314
Half
13.11 mi12:30:411:40:337:405:09
7:33
#11276
25K
15.53 mi12:49:391:59:317:4218:58
7:49
#11246
30K
18.64 mi13:15:032:24:557:4625:24
8:11
#11384
20M
20.00 mi13:26:052:35:577:4811:02
8:07
#11340
21M
21.00 mi13:34:492:44:417:518:44
8:44
#11347
35K
21.75 mi13:40:492:50:417:516:00
8:01
#11370
23M
23.00 mi13:51:063:00:587:5210:17
8:13
#11367
24M
24.00 mi13:59:093:09:017:538:03
8:03
#11372
40K
24.85 mi14:06:013:15:537:536:52
8:02
#11309
25.2M
25.20 mi14:09:053:18:577:543:04
8:54
#11318
Finish
26.22 mi14:16:593:26:517:547:54
7:45
#11241
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi114158855885511455(Top 43%)8838(Top 58%)8838(Top 622%)
10K6.21 mi3.10 mi11322+938803+528803+5211283(Top 42%)8785(Top 58%)8785(Top 618%)
15K9.32 mi3.11 mi11356-348820-178820-1711455(Top 43%)8838(Top 58%)8838(Top 622%)
20K12.43 mi3.11 mi11314+428787+338787+3311358(Top 43%)8736(Top 58%)8736(Top 614%)
Half13.11 mi0.68 mi11276+388774+138774+1310584(Top 40%)8406(Top 55%)8406(Top 591%)
25K15.53 mi2.42 mi11246+308730+448730+4411274(Top 42%)8618(Top 57%)8618(Top 606%)
30K18.64 mi3.11 mi11384-1388739-98739-912153(Top 46%)8862(Top 58%)8862(Top 623%)
20M20.00 mi1.36 mi11340+448704+358704+3511136(Top 42%)8320(Top 55%)8320(Top 585%)
21M21.00 mi1.00 mi11347-78686+188686+1811844(Top 44%)8505(Top 56%)8505(Top 598%)
35K21.75 mi0.75 mi11370-238687-18687-112225(Top 46%)8643(Top 57%)8643(Top 608%)
23M23.00 mi1.25 mi11367+38652+358652+3511253(Top 42%)8102(Top 53%)8102(Top 570%)
24M24.00 mi1.00 mi11372-58636+168636+1611558(Top 43%)8181(Top 54%)8181(Top 575%)
40K24.85 mi0.85 mi11309+638588+488588+4810241(Top 38%)7462(Top 49%)7462(Top 525%)
25.2M25.20 mi0.35 mi11318-98578+108578+1011826(Top 44%)8169(Top 54%)8169(Top 574%)
Finish26.22 mi1.02 mi11241+778512+668512+6610306(Top 39%)7451(Top 49%)7451(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11455

Males

8838

M55-59

8838

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11283

Males

8785

M55-59

8785

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11455

Males

8838

M55-59

8838

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11358

Males

8736

M55-59

8736

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10584

Males

8406

M55-59

8406

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11274

Males

8618

M55-59

8618

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12153

Males

8862

M55-59

8862

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11136

Males

8320

M55-59

8320

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11844

Males

8505

M55-59

8505

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12225

Males

8643

M55-59

8643

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11253

Males

8102

M55-59

8102

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11558

Males

8181

M55-59

8181

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10241

Males

7462

M55-59

7462

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11826

Males

8169

M55-59

8169

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10306

Males

7451

M55-59

7451

Passing Analysis

Category:
Athletes Passed
1648
Passed By
1474
Net Change
+174
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11415
5K → 10K350257+93#11415#11322
10K → 15K169203-34#11322#11356
15K → 20K180138+42#11356#11314
20K → Half4911+38#11314#11276
Half → 25K135105+30#11276#11246
25K → 30K137275-138#11246#11384
30K → 20M10763+44#11384#11340
20M → 21M9097-7#11340#11347
21M → 35K4366-23#11347#11370
35K → 23M8885+3#11370#11367
23M → 24M6166-5#11367#11372
24M → 40K9936+63#11372#11309
40K → 25.2M2736-9#11309#11318
25.2M → Finish11336+77#11318#11241
TOTALS16481474+174
📊

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