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BOSTON MARATHON 2023

Steve Sando

Bib: 2478•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3652
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:29
Rank: #3741 (-89)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:04
Rank: #3622 (+119)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:23:33
Rank: #4091 (-469)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:28:01
Rank: #4016 (+75)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:44:06
Rank: #3778 (+238)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:04:50
Rank: #3404 (+374)
25K → 30K
20:44 | 6:40/mi
20M
2:13:47
Rank: #3201 (+203)
30K → 20M
8:57 | 6:35/mi
21M
2:20:32
Rank: #3027 (+174)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:25:10
Rank: #2910 (+117)
21M → 35K
4:38 | 6:12/mi
23M
2:33:02
Rank: #2674 (+236)
35K → 23M
7:52 | 6:17/mi
24M
2:39:15
Rank: #2538 (+136)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:44:38
Rank: #2442 (+96)
24M → 40K
5:23 | 6:18/mi
25.2M
2:46:57
Rank: #2394 (+48)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:53:01
Rank: #2280 (+114)
25.2M → Finish
6:04 | 5:57/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1220:496:4220:49
6:42
-
10K
6.21 mi10:46:5241:296:4120:40
6:39
-0:03
15K
9.32 mi11:07:271:02:046:4020:35
6:38
-0:01
20K
12.43 mi11:28:561:23:336:4321:29
6:55
+0:17
Half
13.11 mi11:33:241:28:016:434:28
6:33
-0:22
25K
15.53 mi11:49:291:44:066:4216:05
6:38
+0:05
30K
18.64 mi12:10:132:04:506:4220:44
6:40
+0:02
20M
20.00 mi12:19:102:13:476:418:57
6:35
-0:05
21M
21.00 mi12:25:552:20:326:426:45
6:45
+0:10
35K
21.75 mi12:30:332:25:106:404:38
6:12
-0:33
23M
23.00 mi12:38:252:33:026:397:52
6:17
+0:05
24M
24.00 mi12:44:382:39:156:386:13
6:13
-0:04
40K
24.85 mi12:50:012:44:386:375:23
6:18
+0:05
25.2M
25.20 mi12:52:202:46:576:382:19
6:43
+0:25
Finish
26.22 mi12:58:242:53:016:366:04
5:57
-0:46

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

5:57 /mi

Average Pace

6:36 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:10

17% of race

Time at Steady Pace

2:22:51

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:26:1220:496:4220:49
6:42
#3652
10K
6.21 mi10:46:5241:296:4120:40
6:39
#3741
15K
9.32 mi11:07:271:02:046:4020:35
6:38
#3622
20K
12.43 mi11:28:561:23:336:4321:29
6:55
#4091
Half
13.11 mi11:33:241:28:016:434:28
6:33
#4016
25K
15.53 mi11:49:291:44:066:4216:05
6:38
#3778
30K
18.64 mi12:10:132:04:506:4220:44
6:40
#3404
20M
20.00 mi12:19:102:13:476:418:57
6:35
#3201
21M
21.00 mi12:25:552:20:326:426:45
6:45
#3027
35K
21.75 mi12:30:332:25:106:404:38
6:12
#2910
23M
23.00 mi12:38:252:33:026:397:52
6:17
#2674
24M
24.00 mi12:44:382:39:156:386:13
6:13
#2538
40K
24.85 mi12:50:012:44:386:375:23
6:18
#2442
25.2M
25.20 mi12:52:202:46:576:382:19
6:43
#2394
Finish
26.22 mi12:58:242:53:016:366:04
5:57
#2280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3652343634363479(Top 13%)3293(Top 22%)3293(Top 62%)
10K6.21 mi3.10 mi3741-893526-903526-903885(Top 15%)3658(Top 24%)3658(Top 69%)
15K9.32 mi3.11 mi3622+1193422+1043422+1043479(Top 13%)3293(Top 22%)3293(Top 62%)
20K12.43 mi3.11 mi4091-4693840-4183840-4185421(Top 20%)5002(Top 33%)5002(Top 95%)
Half13.11 mi0.68 mi4016+753773+673773+673023(Top 11%)2888(Top 19%)2888(Top 55%)
25K15.53 mi2.42 mi3778+2383569+2043569+2042898(Top 11%)2768(Top 18%)2768(Top 52%)
30K18.64 mi3.11 mi3404+3743224+3453224+3452280(Top 9%)2174(Top 14%)2174(Top 41%)
20M20.00 mi1.36 mi3201+2033042+1823042+1821809(Top 7%)1725(Top 11%)1725(Top 33%)
21M21.00 mi1.00 mi3027+1742882+1602882+1601273(Top 5%)1215(Top 8%)1215(Top 23%)
35K21.75 mi0.75 mi2910+1172773+1092773+1091248(Top 5%)1191(Top 8%)1191(Top 23%)
23M23.00 mi1.25 mi2674+2362555+2182555+218803(Top 3%)762(Top 5%)762(Top 14%)
24M24.00 mi1.00 mi2538+1362425+1302425+1301091(Top 4%)1033(Top 7%)1033(Top 20%)
40K24.85 mi0.85 mi2442+962334+912334+91907(Top 3%)860(Top 6%)860(Top 16%)
25.2M25.20 mi0.35 mi2394+482289+452289+45968(Top 4%)924(Top 6%)924(Top 17%)
Finish26.22 mi1.02 mi2280+1142183+1062183+106642(Top 2%)611(Top 4%)611(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3479

Males

3293

M18-39

3293

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3885

Males

3658

M18-39

3658

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3479

Males

3293

M18-39

3293

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5421

Males

5002

M18-39

5002

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3023

Males

2888

M18-39

2888

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2898

Males

2768

M18-39

2768

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2280

Males

2174

M18-39

2174

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1809

Males

1725

M18-39

1725

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1273

Males

1215

M18-39

1215

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1248

Males

1191

M18-39

1191

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

803

Males

762

M18-39

762

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1091

Males

1033

M18-39

1033

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

907

Males

860

M18-39

860

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

968

Males

924

M18-39

924

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

642

Males

611

M18-39

611

Passing Analysis

Category:
Athletes Passed
2198
Passed By
826
Net Change
+1372
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3652
5K → 10K169258-89#3652#3741
10K → 15K17556+119#3741#3622
15K → 20K22491-469#3622#4091
20K → Half772+75#4091#4016
Half → 25K2479+238#4016#3778
25K → 30K3773+374#3778#3404
30K → 20M2085+203#3404#3201
20M → 21M1740+174#3201#3027
21M → 35K1170+117#3027#2910
35K → 23M2360+236#2910#2674
23M → 24M1360+136#2674#2538
24M → 40K982+96#2538#2442
40K → 25.2M480+48#2442#2394
25.2M → Finish1140+114#2394#2280
TOTALS2198826+1372
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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