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BOSTON MARATHON 2023

Stephen Lobianco

Bib: 1381•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 40%
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
6:58/mi
21:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:04:30
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:25:25
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:29:59
↑ 19↓ 370.5%
25K· 15.53 mi
6:40/mi
1:46:08
↑ 66↓ 880.2%
30K· 18.64 mi
6:46/mi
2:07:08
↑ 181↓ 1480.2%
20M
6:40/mi
2:16:11
↑ 64↓ 500.2%
21M
6:52/mi
2:23:03
↑ 106↓ 241.6%
35K· 21.75 mi
6:24/mi
2:27:50
↑ 17↓ 861.7%
23M
6:35/mi
2:36:04
↑ 23↓ 630.6%
24M
6:25/mi
2:42:29
↓ 821.3%
40K· 24.85 mi
6:24/mi
2:47:57
↓ 200.3%
25.2M
6:37/mi
2:50:14
↑ 13↓ 160.2%
Finish· 26.22 mi
5:45/mi
2:56:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:59
Pace6:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
📊Negative Split: 4.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3021:386:5821:38
6:58
-
10K
6.21 mi10:43:4242:506:5421:12
6:49
-0:09
15K
9.32 mi11:05:221:04:306:5521:40
6:58
+0:09
20K
12.43 mi11:26:171:25:256:5220:55
6:44
-0:14
Half
13.11 mi11:30:511:29:596:524:34
6:42
-0:02
25K
15.53 mi11:47:001:46:086:5016:09
6:40
-0:02
30K
18.64 mi12:08:002:07:086:4921:00
6:46
+0:06
20M
20.00 mi12:17:032:16:116:499:03
6:40
-0:06
21M
21.00 mi12:23:552:23:036:496:52
6:52
+0:12
35K
21.75 mi12:28:422:27:506:484:47
6:24
-0:28
23M
23.00 mi12:36:562:36:046:478:14
6:35
+0:11
24M
24.00 mi12:43:212:42:296:466:25
6:25
-0:10
40K
24.85 mi12:48:492:47:576:455:28
6:24
-0:01
25.2M
25.20 mi12:51:062:50:146:452:17
6:37
+0:13
Finish
26.22 mi12:56:582:56:066:435:52
5:45
-0:52

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

5:45 /mi

Average Pace

6:43 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:32

13% of race

Time at Steady Pace

1:22:12

47% of race

Time at Slower Pace

1:11:22

41% of race

Average Pace: 6:43 /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 mi10:22:3021:386:5821:38
6:58
#6001
10K
6.21 mi10:43:4242:506:5421:12
6:49
#5755
15K
9.32 mi11:05:221:04:306:5521:40
6:58
#5993
20K
12.43 mi11:26:171:25:256:5220:55
6:44
#5504
Half
13.11 mi11:30:511:29:596:524:34
6:42
#5464
25K
15.53 mi11:47:001:46:086:5016:09
6:40
#5006
30K
18.64 mi12:08:002:07:086:4921:00
6:46
#4480
20M
20.00 mi12:17:032:16:116:499:03
6:40
#4234
21M
21.00 mi12:23:552:23:036:496:52
6:52
#3972
35K
21.75 mi12:28:422:27:506:484:47
6:24
#3850
23M
23.00 mi12:36:562:36:046:478:14
6:35
#3603
24M
24.00 mi12:43:212:42:296:466:25
6:25
#3480
40K
24.85 mi12:48:492:47:576:455:28
6:24
#3324
25.2M
25.20 mi12:51:062:50:146:452:17
6:37
#3233
Finish
26.22 mi12:56:582:56:066:435:52
5:45
#2952
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6001548454846378(Top 24%)5753(Top 38%)5753(Top 109%)
10K6.21 mi3.10 mi5755+2465286+1985286+1985498(Top 21%)5058(Top 33%)5058(Top 96%)
15K9.32 mi3.11 mi5993-2385472-1865472-1866378(Top 24%)5753(Top 38%)5753(Top 109%)
20K12.43 mi3.11 mi5504+4895076+3965076+3963800(Top 14%)3582(Top 24%)3582(Top 68%)
Half13.11 mi0.68 mi5464+405045+315045+314173(Top 16%)3897(Top 26%)3897(Top 74%)
25K15.53 mi2.42 mi5006+4584646+3994646+3993065(Top 12%)2922(Top 19%)2922(Top 55%)
30K18.64 mi3.11 mi4480+5264187+4594187+4592739(Top 10%)2601(Top 17%)2601(Top 49%)
20M20.00 mi1.36 mi4234+2463970+2173970+2172126(Top 8%)2027(Top 13%)2027(Top 38%)
21M21.00 mi1.00 mi3972+2623733+2373733+2371661(Top 6%)1582(Top 10%)1582(Top 30%)
35K21.75 mi0.75 mi3850+1223622+1113622+1111977(Top 7%)1881(Top 12%)1881(Top 36%)
23M23.00 mi1.25 mi3603+2473402+2203402+2201708(Top 6%)1622(Top 11%)1622(Top 31%)
24M24.00 mi1.00 mi3480+1233288+1143288+1141762(Top 7%)1663(Top 11%)1663(Top 31%)
40K24.85 mi0.85 mi3324+1563144+1443144+1441202(Top 5%)1137(Top 7%)1137(Top 22%)
25.2M25.20 mi0.35 mi3233+913057+873057+87752(Top 3%)717(Top 5%)717(Top 14%)
Finish26.22 mi1.02 mi2952+2812795+2622795+262312(Top 1%)294(Top 2%)294(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6378

Males

5753

M18-39

5753

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5498

Males

5058

M18-39

5058

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6378

Males

5753

M18-39

5753

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3800

Males

3582

M18-39

3582

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4173

Males

3897

M18-39

3897

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3065

Males

2922

M18-39

2922

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2739

Males

2601

M18-39

2601

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

2126

Males

2027

M18-39

2027

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1661

Males

1582

M18-39

1582

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1977

Males

1881

M18-39

1881

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1708

Males

1622

M18-39

1622

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1762

Males

1663

M18-39

1663

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1202

Males

1137

M18-39

1137

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

752

Males

717

M18-39

717

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

312

Males

294

M18-39

294

Passing Analysis

Category:
Athletes Passed
3454
Passed By
405
Net Change
+3049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6001
5K → 10K34195+246#6001#5755
10K → 15K43281-238#5755#5993
15K → 20K4945+489#5993#5504
20K → Half444+40#5504#5464
Half → 25K4591+458#5464#5006
25K → 30K5326+526#5006#4480
30K → 20M2482+246#4480#4234
20M → 21M2631+262#4234#3972
21M → 35K1264+122#3972#3850
35K → 23M2492+247#3850#3603
23M → 24M1252+123#3603#3480
24M → 40K1582+156#3480#3324
40K → 25.2M910+91#3324#3233
25.2M → Finish2810+281#3233#2952
TOTALS3454405+3049
📊

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