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BOSTON MARATHON 2023

Sebastian Diaz O Kelly

Bib: 27779•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:16
Rank: #20854
Start → 5K
28:16 | 9:06/mi
10K· 6.21 mi
55:19
Rank: #20197 (+657)
5K → 10K
27:03 | 8:42/mi
15K· 9.32 mi
1:22:53
Rank: #20083 (+114)
10K → 15K
27:34 | 8:52/mi
20K· 12.43 mi
1:50:15
Rank: #19707 (+376)
15K → 20K
27:22 | 8:49/mi
Half· 13.11 mi
1:56:18
Rank: #19718 (-11)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:18:29
Rank: #19696 (+22)
Half → 25K
22:11 | 9:09/mi
30K· 18.64 mi
2:48:15
Rank: #19711 (-15)
25K → 30K
29:46 | 9:35/mi
20M
3:01:04
Rank: #19615 (+96)
30K → 20M
12:49 | 9:26/mi
21M
3:10:43
Rank: #19427 (+188)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
3:17:18
Rank: #19336 (+91)
21M → 35K
6:35 | 8:48/mi
23M
3:29:12
Rank: #19275 (+61)
35K → 23M
11:54 | 9:30/mi
24M
3:38:39
Rank: #19282 (-7)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:46:32
Rank: #19208 (+74)
24M → 40K
7:53 | 9:13/mi
25.2M
3:49:51
Rank: #19147 (+61)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:58:47
Rank: #19092 (+55)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:18
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:02:29
Pace9:21 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5728:169:0628:16
9:06
-
10K
6.21 mi12:17:0055:198:5427:03
8:42
-0:24
15K
9.32 mi12:44:341:22:538:5427:34
8:52
+0:10
20K
12.43 mi13:11:561:50:158:5227:22
8:49
-0:03
Half
13.11 mi13:17:591:56:188:526:03
8:52
+0:03
25K
15.53 mi13:40:102:18:298:5522:11
9:09
+0:17
30K
18.64 mi14:09:562:48:159:0229:46
9:35
+0:26
20M
20.00 mi14:22:453:01:049:0312:49
9:26
-0:09
21M
21.00 mi14:32:243:10:439:059:39
9:39
+0:13
35K
21.75 mi14:38:593:17:189:046:35
8:48
-0:51
23M
23.00 mi14:50:533:29:129:0611:54
9:30
+0:42
24M
24.00 mi15:00:203:38:399:079:27
9:27
-0:03
40K
24.85 mi15:08:133:46:329:077:53
9:13
-0:14
25.2M
25.20 mi15:11:323:49:519:073:19
9:37
+0:24
Finish
26.22 mi15:20:283:58:479:078:56
8:46
-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

8:42 /mi

Average Pace

9:07 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:03

82% of race

Time at Steady Pace

42:44

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi11:49:5728:169:0628:16
9:06
#20854
10K
6.21 mi12:17:0055:198:5427:03
8:42
#20197
15K
9.32 mi12:44:341:22:538:5427:34
8:52
#20083
20K
12.43 mi13:11:561:50:158:5227:22
8:49
#19707
Half
13.11 mi13:17:591:56:188:526:03
8:52
#19718
25K
15.53 mi13:40:102:18:298:5522:11
9:09
#19696
30K
18.64 mi14:09:562:48:159:0229:46
9:35
#19711
20M
20.00 mi14:22:453:01:049:0312:49
9:26
#19615
21M
21.00 mi14:32:243:10:439:059:39
9:39
#19427
35K
21.75 mi14:38:593:17:189:046:35
8:48
#19336
23M
23.00 mi14:50:533:29:129:0611:54
9:30
#19275
24M
24.00 mi15:00:203:38:399:079:27
9:27
#19282
40K
24.85 mi15:08:133:46:329:077:53
9:13
#19208
25.2M
25.20 mi15:11:323:49:519:073:19
9:37
#19147
Finish
26.22 mi15:20:283:58:479:078:56
8:46
#19092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20854125341253419905(Top 75%)12248(Top 81%)12248(Top 547%)
10K6.21 mi3.10 mi20197+65712307+22712307+22719461(Top 73%)12081(Top 80%)12081(Top 539%)
15K9.32 mi3.11 mi20083+11412277+3012277+3019905(Top 75%)12248(Top 81%)12248(Top 547%)
20K12.43 mi3.11 mi19707+37612137+14012137+14018722(Top 70%)11779(Top 78%)11779(Top 526%)
Half13.11 mi0.68 mi19718-1112154-1712154-1719805(Top 74%)12218(Top 81%)12218(Top 545%)
25K15.53 mi2.42 mi19696+2212141+1312141+1319597(Top 74%)12103(Top 80%)12103(Top 540%)
30K18.64 mi3.11 mi19711-1512133+812133+819711(Top 74%)12094(Top 80%)12094(Top 540%)
20M20.00 mi1.36 mi19615+9612084+4912084+4918584(Top 70%)11494(Top 76%)11494(Top 513%)
21M21.00 mi1.00 mi19427+18811988+9611988+9616642(Top 63%)10642(Top 70%)10642(Top 475%)
35K21.75 mi0.75 mi19336+9111944+4411944+4416928(Top 64%)10677(Top 70%)10677(Top 476%)
23M23.00 mi1.25 mi19275+6111919+2511919+2518344(Top 69%)11284(Top 74%)11284(Top 504%)
24M24.00 mi1.00 mi19282-711909+1011909+1019024(Top 71%)11542(Top 76%)11542(Top 515%)
40K24.85 mi0.85 mi19208+7411871+3811871+3817171(Top 64%)10658(Top 70%)10658(Top 476%)
25.2M25.20 mi0.35 mi19147+6111838+3311838+3315726(Top 59%)10014(Top 66%)10014(Top 447%)
Finish26.22 mi1.02 mi19092+5511811+2711811+2716840(Top 63%)10541(Top 69%)10541(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19905

Males

12248

M40-44

12248

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19461

Males

12081

M40-44

12081

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19905

Males

12248

M40-44

12248

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18722

Males

11779

M40-44

11779

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19805

Males

12218

M40-44

12218

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19597

Males

12103

M40-44

12103

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19711

Males

12094

M40-44

12094

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18584

Males

11494

M40-44

11494

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16642

Males

10642

M40-44

10642

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16928

Males

10677

M40-44

10677

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18344

Males

11284

M40-44

11284

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

19024

Males

11542

M40-44

11542

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17171

Males

10658

M40-44

10658

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15726

Males

10014

M40-44

10014

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16840

Males

10541

M40-44

10541

Passing Analysis

Category:
Athletes Passed
2537
Passed By
775
Net Change
+1762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20854
5K → 10K768111+657#20854#20197
10K → 15K239125+114#20197#20083
15K → 20K40832+376#20083#19707
20K → Half2940-11#19707#19718
Half → 25K127105+22#19718#19696
25K → 30K163178-15#19696#19711
30K → 20M12327+96#19711#19615
20M → 21M1946+188#19615#19427
21M → 35K954+91#19427#19336
35K → 23M10039+61#19336#19275
23M → 24M6168-7#19275#19282
24M → 40K9117+74#19282#19208
40K → 25.2M621+61#19208#19147
25.2M → Finish7722+55#19147#19092
TOTALS2537775+1762
📊

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