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BOSTON MARATHON 2023

Yoshinori Fukuchi

Bib: 1686•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M50-54)
#0 / 2052
Top 1%
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
6:16/mi
19:27
↑ 97↓ 3451.5%
10K· 6.21 mi
6:13/mi
38:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:15/mi
58:12
↑ 67↓ 78
20K· 12.43 mi
6:21/mi
1:17:55
↑ 106↓ 860.1%
Half· 13.11 mi
6:14/mi
1:22:10
↑ 19↓ 370.5%
25K· 15.53 mi
6:18/mi
1:37:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:30/mi
1:57:38
↑ 181↓ 1480.2%
20M
6:20/mi
2:06:14
↑ 64↓ 500.2%
21M
6:44/mi
2:12:58
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:17:55
↑ 17↓ 861.7%
23M
6:52/mi
2:26:31
↑ 23↓ 630.6%
24M
6:30/mi
2:33:01
↓ 821.3%
40K· 24.85 mi
6:38/mi
2:38:41
↓ 200.3%
25.2M
6:58/mi
2:41:05
↑ 13↓ 160.2%
Finish· 26.22 mi
6:15/mi
2:47:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:10
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:25:17
Pace6:30 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5819:276:1619:27
6:16
-
10K
6.21 mi10:39:1838:476:1419:20
6:13
-0:03
15K
9.32 mi10:58:4358:126:1519:25
6:15
+0:02
20K
12.43 mi11:18:261:17:556:1619:43
6:21
+0:06
Half
13.11 mi11:22:411:22:106:164:15
6:14
-0:07
25K
15.53 mi11:37:571:37:266:1615:16
6:18
+0:04
30K
18.64 mi11:58:091:57:386:1920:12
6:30
+0:12
20M
20.00 mi12:06:452:06:146:198:36
6:20
-0:10
21M
21.00 mi12:13:292:12:586:206:44
6:44
+0:24
35K
21.75 mi12:18:262:17:556:204:57
6:37
-0:07
23M
23.00 mi12:27:022:26:316:228:36
6:52
+0:15
24M
24.00 mi12:33:322:33:016:236:30
6:30
-0:22
40K
24.85 mi12:39:122:38:416:235:40
6:38
+0:08
25.2M
25.20 mi12:41:362:41:056:242:24
6:58
+0:20
Finish
26.22 mi12:47:582:47:276:236:22
6:15
-0:43

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

6:13 /mi

Average Pace

6:23 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:27

93% of race

Time at Steady Pace

11:00

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:19:5819:276:1619:27
6:16
#1295
10K
6.21 mi10:39:1838:476:1419:20
6:13
#1345
15K
9.32 mi10:58:4358:126:1519:25
6:15
#1346
20K
12.43 mi11:18:261:17:556:1619:43
6:21
#1381
Half
13.11 mi11:22:411:22:106:164:15
6:14
#1383
25K
15.53 mi11:37:571:37:266:1615:16
6:18
#1358
30K
18.64 mi11:58:091:57:386:1920:12
6:30
#1376
20M
20.00 mi12:06:452:06:146:198:36
6:20
#1338
21M
21.00 mi12:13:292:12:586:206:44
6:44
#1316
35K
21.75 mi12:18:262:17:556:204:57
6:37
#1352
23M
23.00 mi12:27:022:26:316:228:36
6:52
#1414
24M
24.00 mi12:33:322:33:016:236:30
6:30
#1417
40K
24.85 mi12:39:122:38:416:235:40
6:38
#1417
25.2M
25.20 mi12:41:362:41:056:242:24
6:58
#1419
Finish
26.22 mi12:47:582:47:276:236:22
6:15
#1400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi1295122912291430(Top 5%)1363(Top 9%)1363(Top 66%)
10K6.21 mi3.10 mi1345-501279-501279-501439(Top 5%)1373(Top 9%)1373(Top 67%)
15K9.32 mi3.11 mi1346-11282-31282-31430(Top 5%)1363(Top 9%)1363(Top 66%)
20K12.43 mi3.11 mi1381-351315-331315-331588(Top 6%)1518(Top 10%)1518(Top 74%)
Half13.11 mi0.68 mi1383-21318-31318-31488(Top 6%)1424(Top 9%)1424(Top 69%)
25K15.53 mi2.42 mi1358+251295+231295+231328(Top 5%)1268(Top 8%)1268(Top 62%)
30K18.64 mi3.11 mi1376-181314-191314-191554(Top 6%)1487(Top 10%)1487(Top 72%)
20M20.00 mi1.36 mi1338+381278+361278+36948(Top 4%)905(Top 6%)905(Top 44%)
21M21.00 mi1.00 mi1316+221256+221256+221204(Top 5%)1146(Top 8%)1146(Top 56%)
35K21.75 mi0.75 mi1352-361291-351291-353031(Top 11%)2833(Top 19%)2833(Top 138%)
23M23.00 mi1.25 mi1414-621349-581349-583013(Top 11%)2808(Top 19%)2808(Top 137%)
24M24.00 mi1.00 mi1417-31352-31352-32073(Top 8%)1943(Top 13%)1943(Top 95%)
40K24.85 mi0.85 mi14171351+11351+12009(Top 8%)1879(Top 12%)1879(Top 92%)
25.2M25.20 mi0.35 mi1419-21353-21353-21599(Top 6%)1505(Top 10%)1505(Top 73%)
Finish26.22 mi1.02 mi1400+191334+191334+191424(Top 5%)1347(Top 9%)1347(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1430

Males

1363

M50-54

1363

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1439

Males

1373

M50-54

1373

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1430

Males

1363

M50-54

1363

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1588

Males

1518

M50-54

1518

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1488

Males

1424

M50-54

1424

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1328

Males

1268

M50-54

1268

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1554

Males

1487

M50-54

1487

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

948

Males

905

M50-54

905

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1204

Males

1146

M50-54

1146

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3031

Males

2833

M50-54

2833

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3013

Males

2808

M50-54

2808

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2073

Males

1943

M50-54

1943

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2009

Males

1879

M50-54

1879

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1599

Males

1505

M50-54

1505

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1424

Males

1347

M50-54

1347

Passing Analysis

Category:
Athletes Passed
407
Passed By
512
Net Change
-105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1295
5K → 10K53103-50#1295#1345
10K → 15K4849-1#1345#1346
15K → 20K3065-35#1346#1381
20K → Half1113-2#1381#1383
Half → 25K4318+25#1383#1358
25K → 30K4361-18#1358#1376
30K → 20M424+38#1376#1338
20M → 21M3210+22#1338#1316
21M → 35K642-36#1316#1352
35K → 23M1274-62#1352#1414
23M → 24M1922-3#1414#1417
24M → 40K22220#1417#1417
40K → 25.2M810-2#1417#1419
25.2M → Finish3819+19#1419#1400
TOTALS407512-105
📊

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