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BOSTON MARATHON 2023

Gregory Keras

Bib: 906•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:41
Rank: #704
Start → 5K
18:41 | 6:01/mi
10K· 6.21 mi
37:15
Rank: #714 (-10)
5K → 10K
18:34 | 5:59/mi
15K· 9.32 mi
55:47
Rank: #681 (+33)
10K → 15K
18:32 | 5:58/mi
20K· 12.43 mi
1:14:22
Rank: #641 (+40)
15K → 20K
18:35 | 5:59/mi
Half· 13.11 mi
1:18:23
Rank: #631 (+10)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:32:58
Rank: #603 (+28)
Half → 25K
14:35 | 6:01/mi
30K· 18.64 mi
1:51:28
Rank: #541 (+62)
25K → 30K
18:30 | 5:57/mi
20M
1:59:30
Rank: #504 (+37)
30K → 20M
8:02 | 5:55/mi
21M
2:05:49
Rank: #490 (+14)
20M → 21M
6:19 | 6:19/mi
35K· 21.75 mi
2:10:13
Rank: #487 (+3)
21M → 35K
4:24 | 5:53/mi
23M
2:18:30
Rank: #521 (-34)
35K → 23M
8:17 | 6:37/mi
24M
2:24:19
Rank: #499 (+22)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:29:30
Rank: #490 (+9)
24M → 40K
5:11 | 6:04/mi
25.2M
2:31:41
Rank: #480 (+10)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:37:35
Rank: #464 (+16)
25.2M → Finish
5:54 | 5:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:23
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:19:12
Pace6:02 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0218:416:0118:41
6:01
-
10K
6.21 mi10:37:3637:156:0018:34
5:59
-0:02
15K
9.32 mi10:56:0855:475:5918:32
5:58
-0:01
20K
12.43 mi11:14:431:14:225:5918:35
5:59
+0:01
Half
13.11 mi11:18:441:18:235:594:01
5:53
-0:06
25K
15.53 mi11:33:191:32:585:5914:35
6:01
+0:08
30K
18.64 mi11:51:491:51:285:5918:30
5:57
-0:04
20M
20.00 mi11:59:511:59:305:588:02
5:55
-0:02
21M
21.00 mi12:06:102:05:495:596:19
6:19
+0:24
35K
21.75 mi12:10:342:10:135:594:24
5:53
-0:26
23M
23.00 mi12:18:512:18:306:018:17
6:37
+0:44
24M
24.00 mi12:24:402:24:196:015:49
5:49
-0:48
40K
24.85 mi12:29:512:29:306:015:11
6:04
+0:15
25.2M
25.20 mi12:32:022:31:416:012:11
6:20
+0:16
Finish
26.22 mi12:37:562:37:356:015:54
5:47
-0:33

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

5:47 /mi

Average Pace

6:01 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:18

95% of race

Time at Steady Pace

8:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:19:0218:416:0118:41
6:01
#704
10K
6.21 mi10:37:3637:156:0018:34
5:59
#714
15K
9.32 mi10:56:0855:475:5918:32
5:58
#681
20K
12.43 mi11:14:431:14:225:5918:35
5:59
#641
Half
13.11 mi11:18:441:18:235:594:01
5:53
#631
25K
15.53 mi11:33:191:32:585:5914:35
6:01
#603
30K
18.64 mi11:51:491:51:285:5918:30
5:57
#541
20M
20.00 mi11:59:511:59:305:588:02
5:55
#504
21M
21.00 mi12:06:102:05:495:596:19
6:19
#490
35K
21.75 mi12:10:342:10:135:594:24
5:53
#487
23M
23.00 mi12:18:512:18:306:018:17
6:37
#521
24M
24.00 mi12:24:402:24:196:015:49
5:49
#499
40K
24.85 mi12:29:512:29:306:015:11
6:04
#490
25.2M
25.20 mi12:32:022:31:416:012:11
6:20
#480
Finish
26.22 mi12:37:562:37:356:015:54
5:47
#464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi704659659628(Top 2%)585(Top 4%)585(Top 11%)
10K6.21 mi3.10 mi714-10670-11670-11744(Top 3%)700(Top 5%)700(Top 13%)
15K9.32 mi3.11 mi681+33638+32638+32628(Top 2%)585(Top 4%)585(Top 11%)
20K12.43 mi3.11 mi641+40598+40598+40530(Top 2%)490(Top 3%)490(Top 9%)
Half13.11 mi0.68 mi631+10588+10588+10513(Top 2%)475(Top 3%)475(Top 9%)
25K15.53 mi2.42 mi603+28562+26562+26565(Top 2%)525(Top 3%)525(Top 10%)
30K18.64 mi3.11 mi541+62501+61501+61335(Top 1%)308(Top 2%)308(Top 6%)
20M20.00 mi1.36 mi504+37465+36465+36265(Top 1.0%)241(Top 2%)241(Top 5%)
21M21.00 mi1.00 mi490+14452+13452+13369(Top 1%)340(Top 2%)340(Top 6%)
35K21.75 mi0.75 mi487+3450+2450+2477(Top 2%)442(Top 3%)442(Top 8%)
23M23.00 mi1.25 mi521-34483-33483-331801(Top 7%)1705(Top 11%)1705(Top 32%)
24M24.00 mi1.00 mi499+22462+21462+21278(Top 1%)254(Top 2%)254(Top 5%)
40K24.85 mi0.85 mi490+9454+8454+8420(Top 2%)393(Top 3%)393(Top 7%)
25.2M25.20 mi0.35 mi480+10444+10444+10259(Top 1.0%)239(Top 2%)239(Top 5%)
Finish26.22 mi1.02 mi464+16429+15429+15347(Top 1%)329(Top 2%)329(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

628

Males

585

M18-39

585

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

744

Males

700

M18-39

700

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

628

Males

585

M18-39

585

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

530

Males

490

M18-39

490

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

513

Males

475

M18-39

475

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

565

Males

525

M18-39

525

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

335

Males

308

M18-39

308

30K→20M

18.6 - 20.0 mi

Top 1.0%
×5stories
+64ft-50ft

Overall

265

Males

241

M18-39

241

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

369

Males

340

M18-39

340

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

477

Males

442

M18-39

442

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1801

Males

1705

M18-39

1705

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

278

Males

254

M18-39

254

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

420

Males

393

M18-39

393

40K→25.2M

24.9 - 25.2 mi

Top 1.0%
×1story
+13ft-16ft

Overall

259

Males

239

M18-39

239

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

347

Males

329

M18-39

329

Passing Analysis

Category:
Athletes Passed
343
Passed By
103
Net Change
+240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#704
5K → 10K2636-10#704#714
10K → 15K407+33#714#681
15K → 20K411+40#681#641
20K → Half100+10#641#631
Half → 25K324+28#631#603
25K → 30K642+62#603#541
30K → 20M381+37#541#504
20M → 21M162+14#504#490
21M → 35K74+3#490#487
35K → 23M539-34#487#521
23M → 24M220+22#521#499
24M → 40K134+9#499#490
40K → 25.2M100+10#490#480
25.2M → Finish193+16#480#464
TOTALS343103+240
📊

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