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BOSTON MARATHON 2023

Kevin Donofrio

Bib: 5369•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #5663
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
42:48
Rank: #5719 (-56)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:04:01
Rank: #5611 (+108)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:25:15
Rank: #5408 (+203)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:55
Rank: #5417 (-9)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:45
Rank: #5378 (+39)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:08:32
Rank: #5123 (+255)
25K → 30K
21:47 | 7:01/mi
20M
2:17:50
Rank: #4918 (+205)
30K → 20M
9:18 | 6:51/mi
21M
2:24:53
Rank: #4723 (+195)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:29:44
Rank: #4619 (+104)
21M → 35K
4:51 | 6:29/mi
23M
2:38:14
Rank: #4447 (+172)
35K → 23M
8:30 | 6:47/mi
24M
2:44:55
Rank: #4346 (+101)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:50:47
Rank: #4277 (+69)
24M → 40K
5:52 | 6:52/mi
25.2M
2:53:19
Rank: #4253 (+24)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:59:56
Rank: #4173 (+80)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:01
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0821:296:5521:29
6:55
-
10K
6.21 mi10:45:2742:486:5321:19
6:52
-0:03
15K
9.32 mi11:06:401:04:016:5221:13
6:50
-0:02
20K
12.43 mi11:27:541:25:156:5221:14
6:50
0:00
Half
13.11 mi11:32:341:29:556:524:40
6:50
0:00
25K
15.53 mi11:49:241:46:456:5216:50
6:57
+0:07
30K
18.64 mi12:11:112:08:326:5421:47
7:01
+0:04
20M
20.00 mi12:20:292:17:506:539:18
6:51
-0:10
21M
21.00 mi12:27:322:24:536:547:03
7:03
+0:12
35K
21.75 mi12:32:232:29:446:534:51
6:29
-0:34
23M
23.00 mi12:40:532:38:146:538:30
6:47
+0:18
24M
24.00 mi12:47:342:44:556:526:41
6:41
-0:06
40K
24.85 mi12:53:262:50:476:525:52
6:52
+0:11
25.2M
25.20 mi12:55:582:53:196:532:32
7:21
+0:29
Finish
26.22 mi13:02:352:59:566:526:37
6:30
-0:51

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

6:29 /mi

Average Pace

6:52 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:24

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:24:0821:296:5521:29
6:55
#5663
10K
6.21 mi10:45:2742:486:5321:19
6:52
#5719
15K
9.32 mi11:06:401:04:016:5221:13
6:50
#5611
20K
12.43 mi11:27:541:25:156:5221:14
6:50
#5408
Half
13.11 mi11:32:341:29:556:524:40
6:50
#5417
25K
15.53 mi11:49:241:46:456:5216:50
6:57
#5378
30K
18.64 mi12:11:112:08:326:5421:47
7:01
#5123
20M
20.00 mi12:20:292:17:506:539:18
6:51
#4918
21M
21.00 mi12:27:322:24:536:547:03
7:03
#4723
35K
21.75 mi12:32:232:29:446:534:51
6:29
#4619
23M
23.00 mi12:40:532:38:146:538:30
6:47
#4447
24M
24.00 mi12:47:342:44:556:526:41
6:41
#4346
40K
24.85 mi12:53:262:50:476:525:52
6:52
#4277
25.2M
25.20 mi12:55:582:53:196:532:32
7:21
#4253
Finish
26.22 mi13:02:352:59:566:526:37
6:30
#4173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5663520752075362(Top 20%)4947(Top 33%)4947(Top 94%)
10K6.21 mi3.10 mi5719-565253-465253-465823(Top 22%)5316(Top 35%)5316(Top 101%)
15K9.32 mi3.11 mi5611+1085164+895164+895362(Top 20%)4947(Top 33%)4947(Top 94%)
20K12.43 mi3.11 mi5408+2034998+1664998+1664755(Top 18%)4417(Top 29%)4417(Top 84%)
Half13.11 mi0.68 mi5417-95007-95007-95517(Top 21%)5077(Top 33%)5077(Top 96%)
25K15.53 mi2.42 mi5378+394972+354972+355220(Top 20%)4812(Top 32%)4812(Top 91%)
30K18.64 mi3.11 mi5123+2554745+2274745+2274410(Top 17%)4093(Top 27%)4093(Top 77%)
20M20.00 mi1.36 mi4918+2054563+1824563+1823100(Top 12%)2914(Top 19%)2914(Top 55%)
21M21.00 mi1.00 mi4723+1954399+1644399+1642410(Top 9%)2279(Top 15%)2279(Top 43%)
35K21.75 mi0.75 mi4619+1044302+974302+972365(Top 9%)2245(Top 15%)2245(Top 42%)
23M23.00 mi1.25 mi4447+1724148+1544148+1542623(Top 10%)2464(Top 16%)2464(Top 47%)
24M24.00 mi1.00 mi4346+1014062+864062+863038(Top 11%)2822(Top 19%)2822(Top 53%)
40K24.85 mi0.85 mi4277+693996+663996+663125(Top 12%)2869(Top 19%)2869(Top 54%)
25.2M25.20 mi0.35 mi4253+243972+243972+243184(Top 12%)2907(Top 19%)2907(Top 55%)
Finish26.22 mi1.02 mi4173+803901+713901+712461(Top 9%)2269(Top 15%)2269(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5362

Males

4947

M18-39

4947

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5823

Males

5316

M18-39

5316

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5362

Males

4947

M18-39

4947

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4755

Males

4417

M18-39

4417

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5517

Males

5077

M18-39

5077

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5220

Males

4812

M18-39

4812

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4410

Males

4093

M18-39

4093

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3100

Males

2914

M18-39

2914

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2410

Males

2279

M18-39

2279

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2365

Males

2245

M18-39

2245

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2623

Males

2464

M18-39

2464

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3038

Males

2822

M18-39

2822

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3125

Males

2869

M18-39

2869

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3184

Males

2907

M18-39

2907

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2461

Males

2269

M18-39

2269

Passing Analysis

Category:
Athletes Passed
1967
Passed By
477
Net Change
+1490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5663
5K → 10K165221-56#5663#5719
10K → 15K17062+108#5719#5611
15K → 20K22118+203#5611#5408
20K → Half1524-9#5408#5417
Half → 25K10566+39#5417#5378
25K → 30K28631+255#5378#5123
30K → 20M2105+205#5123#4918
20M → 21M1961+195#4918#4723
21M → 35K1073+104#4723#4619
35K → 23M18210+172#4619#4447
23M → 24M1065+101#4447#4346
24M → 40K7910+69#4346#4277
40K → 25.2M3410+24#4277#4253
25.2M → Finish9111+80#4253#4173
TOTALS1967477+1490
📊

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