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BOSTON MARATHON 2023

Gene Yasuda

Bib: 31806•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
10:44/mi
33:20
↑ 97↓ 3451.5%
10K· 6.21 mi
11:03/mi
1:07:39
↑ 79↓ 1380.4%
15K· 9.32 mi
11:14/mi
1:42:32
↑ 67↓ 78
20K· 12.43 mi
10:46/mi
2:15:59
↑ 106↓ 860.1%
Half· 13.11 mi
13:17/mi
2:25:03
↑ 19↓ 370.5%
25K· 15.53 mi
10:42/mi
2:51:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
3:25:00
↑ 181↓ 1480.2%
20M
10:33/mi
3:39:20
↑ 64↓ 500.2%
21M
11:03/mi
3:50:23
↑ 106↓ 241.6%
35K· 21.75 mi
10:38/mi
3:58:20
↑ 17↓ 861.7%
23M
10:38/mi
4:11:39
↑ 23↓ 630.6%
24M
10:24/mi
4:22:03
↓ 821.3%
40K· 24.85 mi
10:14/mi
4:30:48
↓ 200.3%
25.2M
10:18/mi
4:34:21
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
4:43:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:25:03
Pace11:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:18:26
Pace10:34 /mi
📊Negative Split: 4.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3833:2010:4433:20
10:44
-
10K
6.21 mi12:27:571:07:3910:5334:19
11:03
+0:19
15K
9.32 mi13:02:501:42:3211:0034:53
11:14
+0:11
20K
12.43 mi13:36:172:15:5910:5733:27
10:46
-0:28
Half
13.11 mi13:45:212:25:0311:049:04
13:17
+2:31
25K
15.53 mi14:11:182:51:0011:0025:57
10:42
-2:35
30K
18.64 mi14:45:183:25:0011:0034:00
10:57
+0:15
20M
20.00 mi14:59:383:39:2010:5814:20
10:33
-0:24
21M
21.00 mi15:10:413:50:2310:5811:03
11:03
+0:30
35K
21.75 mi15:18:383:58:2010:587:57
10:38
-0:25
23M
23.00 mi15:31:574:11:3910:5613:19
10:38
0:00
24M
24.00 mi15:42:214:22:0310:5510:24
10:24
-0:14
40K
24.85 mi15:51:064:30:4810:548:45
10:14
-0:10
25.2M
25.20 mi15:54:394:34:2110:533:33
10:18
+0:04
Finish
26.22 mi16:03:474:43:2910:499:08
8:58
-1:20

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

8:58 /mi

Average Pace

10:49 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:53

6% of race

Time at Steady Pace

3:41:39

78% of race

Time at Slower Pace

43:57

16% of race

Average Pace: 10:49 /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 mi11:53:3833:2010:4433:20
10:44
#25246
10K
6.21 mi12:27:571:07:3910:5334:19
11:03
#25433
15K
9.32 mi13:02:501:42:3211:0034:53
11:14
#25444
20K
12.43 mi13:36:172:15:5910:5733:27
10:46
#25121
Half
13.11 mi13:45:212:25:0311:049:04
13:17
#25296
25K
15.53 mi14:11:182:51:0011:0025:57
10:42
#25028
30K
18.64 mi14:45:183:25:0011:0034:00
10:57
#24666
20M
20.00 mi14:59:383:39:2010:5814:20
10:33
#24485
21M
21.00 mi15:10:413:50:2310:5811:03
11:03
#24303
35K
21.75 mi15:18:383:58:2010:587:57
10:38
#24241
23M
23.00 mi15:31:574:11:3910:5613:19
10:38
#24137
24M
24.00 mi15:42:214:22:0310:5510:24
10:24
#24045
40K
24.85 mi15:51:064:30:4810:548:45
10:14
#23953
25.2M
25.20 mi15:54:394:34:2110:533:33
10:18
#23898
Finish
26.22 mi16:03:474:43:2910:499:08
8:58
#23784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25246146491464925450(Top 96%)14715(Top 97%)14715(Top 1035%)
10K6.21 mi3.10 mi25433-18714721-7214721-7225513(Top 96%)14748(Top 97%)14748(Top 1037%)
15K9.32 mi3.11 mi25444-11147211472125450(Top 96%)14715(Top 97%)14715(Top 1035%)
20K12.43 mi3.11 mi25121+32314574+14714574+14724275(Top 91%)14180(Top 93%)14180(Top 997%)
Half13.11 mi0.68 mi25296-17514647-7314647-7326419(Top 99%)15079(Top 99%)15079(Top 1060%)
25K15.53 mi2.42 mi25028+26814527+12014527+12023520(Top 88%)13816(Top 91%)13816(Top 972%)
30K18.64 mi3.11 mi24666+36214352+17514352+17523001(Top 86%)13515(Top 89%)13515(Top 950%)
20M20.00 mi1.36 mi24485+18114259+9314259+9321844(Top 82%)12932(Top 85%)12932(Top 909%)
21M21.00 mi1.00 mi24303+18214167+9214167+9220926(Top 79%)12492(Top 82%)12492(Top 878%)
35K21.75 mi0.75 mi24241+6214130+3714130+3722630(Top 85%)13227(Top 87%)13227(Top 930%)
23M23.00 mi1.25 mi24137+10414075+5514075+5521629(Top 81%)12745(Top 84%)12745(Top 896%)
24M24.00 mi1.00 mi24045+9214030+4514030+4521807(Top 82%)12784(Top 84%)12784(Top 899%)
40K24.85 mi0.85 mi23953+9213983+4713983+4720576(Top 77%)12193(Top 80%)12193(Top 857%)
25.2M25.20 mi0.35 mi23898+5513955+2813955+2818452(Top 69%)11244(Top 74%)11244(Top 791%)
Finish26.22 mi1.02 mi23784+11413904+5113904+5117791(Top 67%)10975(Top 72%)10975(Top 772%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25450

Males

14715

M55-59

14715

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25513

Males

14748

M55-59

14748

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25450

Males

14715

M55-59

14715

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24275

Males

14180

M55-59

14180

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26419

Males

15079

M55-59

15079

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23520

Males

13816

M55-59

13816

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23001

Males

13515

M55-59

13515

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21844

Males

12932

M55-59

12932

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20926

Males

12492

M55-59

12492

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22630

Males

13227

M55-59

13227

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21629

Males

12745

M55-59

12745

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21807

Males

12784

M55-59

12784

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20576

Males

12193

M55-59

12193

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18452

Males

11244

M55-59

11244

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17791

Males

10975

M55-59

10975

Passing Analysis

Category:
Athletes Passed
2051
Passed By
589
Net Change
+1462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25246
5K → 10K93280-187#25246#25433
10K → 15K99110-11#25433#25444
15K → 20K3252+323#25444#25121
20K → Half3178-175#25121#25296
Half → 25K2691+268#25296#25028
25K → 30K3664+362#25028#24666
30K → 20M1821+181#24666#24485
20M → 21M1853+182#24485#24303
21M → 35K664+62#24303#24241
35K → 23M1073+104#24241#24137
23M → 24M931+92#24137#24045
24M → 40K942+92#24045#23953
40K → 25.2M550+55#23953#23898
25.2M → Finish1140+114#23898#23784
TOTALS2051589+1462
📊

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