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BOSTON MARATHON 2023

Donald Delorenzo

Bib: 5347•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #2771
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
40:56
Rank: #3065 (-294)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:14
Rank: #2963 (+102)
10K → 15K
20:18 | 6:32/mi
20K· 12.43 mi
1:21:28
Rank: #2776 (+187)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:25:46
Rank: #2694 (+82)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:41:33
Rank: #2609 (+85)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
2:02:11
Rank: #2498 (+111)
25K → 30K
20:38 | 6:38/mi
20M
2:11:17
Rank: #2446 (+52)
30K → 20M
9:06 | 6:42/mi
21M
2:18:31
Rank: #2465 (-19)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:23:13
Rank: #2402 (+63)
21M → 35K
4:42 | 6:17/mi
23M
2:31:39
Rank: #2378 (+24)
35K → 23M
8:26 | 6:44/mi
24M
2:38:35
Rank: #2412 (-34)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:44:30
Rank: #2418 (-6)
24M → 40K
5:55 | 6:56/mi
25.2M
2:47:16
Rank: #2459 (-41)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:54:25
Rank: #2564 (-105)
25.2M → Finish
7:09 | 7:01/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2620:286:3520:28
6:35
-
10K
6.21 mi10:43:5440:566:3520:28
6:35
0:00
15K
9.32 mi11:04:121:01:146:3420:18
6:32
-0:03
20K
12.43 mi11:24:261:21:286:3320:14
6:31
-0:01
Half
13.11 mi11:28:441:25:466:334:18
6:18
-0:13
25K
15.53 mi11:44:311:41:336:3215:47
6:31
+0:13
30K
18.64 mi12:05:092:02:116:3320:38
6:38
+0:07
20M
20.00 mi12:14:152:11:176:349:06
6:42
+0:04
21M
21.00 mi12:21:292:18:316:367:14
7:14
+0:32
35K
21.75 mi12:26:112:23:136:354:42
6:17
-0:57
23M
23.00 mi12:34:372:31:396:368:26
6:44
+0:27
24M
24.00 mi12:41:332:38:356:366:56
6:56
+0:12
40K
24.85 mi12:47:282:44:306:375:55
6:56
0:00
25.2M
25.20 mi12:50:142:47:166:382:46
8:01
+1:05
Finish
26.22 mi12:57:232:54:256:397:09
7:01
-1:00

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

6:17 /mi

Average Pace

6:39 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

9:00

5% of race

Time at Steady Pace

2:15:25

78% of race

Time at Slower Pace

30:00

17% of race

Average Pace: 6:39 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:2620:286:3520:28
6:35
#2771
10K
6.21 mi10:43:5440:566:3520:28
6:35
#3065
15K
9.32 mi11:04:121:01:146:3420:18
6:32
#2963
20K
12.43 mi11:24:261:21:286:3320:14
6:31
#2776
Half
13.11 mi11:28:441:25:466:334:18
6:18
#2694
25K
15.53 mi11:44:311:41:336:3215:47
6:31
#2609
30K
18.64 mi12:05:092:02:116:3320:38
6:38
#2498
20M
20.00 mi12:14:152:11:176:349:06
6:42
#2446
21M
21.00 mi12:21:292:18:316:367:14
7:14
#2465
35K
21.75 mi12:26:112:23:136:354:42
6:17
#2402
23M
23.00 mi12:34:372:31:396:368:26
6:44
#2378
24M
24.00 mi12:41:332:38:356:366:56
6:56
#2412
40K
24.85 mi12:47:282:44:306:375:55
6:56
#2418
25.2M
25.20 mi12:50:142:47:166:382:46
8:01
#2459
Finish
26.22 mi12:57:232:54:256:397:09
7:01
#2564
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2771263626362844(Top 11%)2718(Top 18%)2718(Top 51%)
10K6.21 mi3.10 mi3065-2942918-2822918-2823394(Top 13%)3223(Top 21%)3223(Top 61%)
15K9.32 mi3.11 mi2963+1022826+922826+922844(Top 11%)2718(Top 18%)2718(Top 51%)
20K12.43 mi3.11 mi2776+1872653+1732653+1732359(Top 9%)2261(Top 15%)2261(Top 43%)
Half13.11 mi0.68 mi2694+822574+792574+791820(Top 7%)1749(Top 12%)1749(Top 33%)
25K15.53 mi2.42 mi2609+852495+792495+792214(Top 8%)2124(Top 14%)2124(Top 40%)
30K18.64 mi3.11 mi2498+1112390+1052390+1052150(Top 8%)2053(Top 14%)2053(Top 39%)
20M20.00 mi1.36 mi2446+522342+482342+482265(Top 9%)2154(Top 14%)2154(Top 41%)
21M21.00 mi1.00 mi2465-192362-202362-203261(Top 12%)3041(Top 20%)3041(Top 58%)
35K21.75 mi0.75 mi2402+632300+622300+621540(Top 6%)1464(Top 10%)1464(Top 28%)
23M23.00 mi1.25 mi2378+242275+252275+252325(Top 9%)2186(Top 14%)2186(Top 41%)
24M24.00 mi1.00 mi2412-342308-332308-334300(Top 16%)3892(Top 26%)3892(Top 74%)
40K24.85 mi0.85 mi2418-62312-42312-43487(Top 13%)3166(Top 21%)3166(Top 60%)
25.2M25.20 mi0.35 mi2459-412348-362348-366506(Top 24%)5232(Top 34%)5232(Top 99%)
Finish26.22 mi1.02 mi2564-1052444-962444-965270(Top 20%)4450(Top 29%)4450(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2844

Males

2718

M18-39

2718

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3394

Males

3223

M18-39

3223

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2844

Males

2718

M18-39

2718

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2359

Males

2261

M18-39

2261

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1820

Males

1749

M18-39

1749

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2214

Males

2124

M18-39

2124

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2150

Males

2053

M18-39

2053

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2265

Males

2154

M18-39

2154

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3261

Males

3041

M18-39

3041

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1540

Males

1464

M18-39

1464

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2325

Males

2186

M18-39

2186

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4300

Males

3892

M18-39

3892

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3487

Males

3166

M18-39

3166

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6506

Males

5232

M18-39

5232

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5270

Males

4450

M18-39

4450

Passing Analysis

Category:
Athletes Passed
988
Passed By
781
Net Change
+207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2771
5K → 10K66360-294#2771#3065
10K → 15K15250+102#3065#2963
15K → 20K19912+187#2963#2776
20K → Half831+82#2776#2694
Half → 25K916+85#2694#2609
25K → 30K13120+111#2609#2498
30K → 20M6412+52#2498#2446
20M → 21M3049-19#2446#2465
21M → 35K641+63#2465#2402
35K → 23M5228+24#2402#2378
23M → 24M1650-34#2378#2412
24M → 40K2026-6#2412#2418
40K → 25.2M950-41#2418#2459
25.2M → Finish11116-105#2459#2564
TOTALS988781+207
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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