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BOSTON MARATHON 2023

Victor Guibovich

Bib: 18917•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M55-59)
#0 / 1422
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:51
Rank: #13995
Start → 5K
24:51 | 8:00/mi
10K· 6.21 mi
48:17
Rank: #12439 (+1556)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:11:45
Rank: #11760 (+679)
10K → 15K
23:28 | 7:33/mi
20K· 12.43 mi
1:35:41
Rank: #11526 (+234)
15K → 20K
23:56 | 7:42/mi
Half· 13.11 mi
1:40:51
Rank: #11478 (+48)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:59:56
Rank: #11462 (+16)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:25:26
Rank: #11621 (-159)
25K → 30K
25:30 | 8:12/mi
20M
2:36:48
Rank: #11712 (-91)
30K → 20M
11:22 | 8:22/mi
21M
2:45:50
Rank: #11833 (-121)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:51:50
Rank: #11860 (-27)
21M → 35K
6:00 | 8:01/mi
23M
3:02:13
Rank: #11828 (+32)
35K → 23M
10:23 | 8:18/mi
24M
3:10:17
Rank: #11815 (+13)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:17:17
Rank: #11780 (+35)
24M → 40K
7:00 | 8:11/mi
25.2M
3:20:19
Rank: #11766 (+14)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:28:28
Rank: #11774 (-8)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:47:37
Pace8:13 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0724:518:0024:51
8:00
-
10K
6.21 mi11:39:3348:177:4623:26
7:33
-0:27
15K
9.32 mi12:03:011:11:457:4223:28
7:33
0:00
20K
12.43 mi12:26:571:35:417:4223:56
7:42
+0:09
Half
13.11 mi12:32:071:40:517:425:10
7:34
-0:08
25K
15.53 mi12:51:121:59:567:4319:05
7:52
+0:18
30K
18.64 mi13:16:422:25:267:4825:30
8:12
+0:20
20M
20.00 mi13:28:042:36:487:5011:22
8:22
+0:10
21M
21.00 mi13:37:062:45:507:549:02
9:02
+0:40
35K
21.75 mi13:43:062:51:507:546:00
8:01
-1:01
23M
23.00 mi13:53:293:02:137:5510:23
8:18
+0:17
24M
24.00 mi14:01:333:10:177:568:04
8:04
-0:14
40K
24.85 mi14:08:333:17:177:567:00
8:11
+0:07
25.2M
25.20 mi14:11:353:20:197:573:02
8:48
+0:37
Finish
26.22 mi14:19:443:28:287:578:09
8:00
-0:48

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

7:33 /mi

Average Pace

7:57 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:02

89% of race

Time at Steady Pace

14:24

7% of race

Time at Slower Pace

9:02

4% of race

Average Pace: 7:57 /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 mi11:16:0724:518:0024:51
8:00
#13995
10K
6.21 mi11:39:3348:177:4623:26
7:33
#12439
15K
9.32 mi12:03:011:11:457:4223:28
7:33
#11760
20K
12.43 mi12:26:571:35:417:4223:56
7:42
#11526
Half
13.11 mi12:32:071:40:517:425:10
7:34
#11478
25K
15.53 mi12:51:121:59:567:4319:05
7:52
#11462
30K
18.64 mi13:16:422:25:267:4825:30
8:12
#11621
20M
20.00 mi13:28:042:36:487:5011:22
8:22
#11712
21M
21.00 mi13:37:062:45:507:549:02
9:02
#11833
35K
21.75 mi13:43:062:51:507:546:00
8:01
#11860
23M
23.00 mi13:53:293:02:137:5510:23
8:18
#11828
24M
24.00 mi14:01:333:10:177:568:04
8:04
#11815
40K
24.85 mi14:08:333:17:177:567:00
8:11
#11780
25.2M
25.20 mi14:11:353:20:197:573:02
8:48
#11766
Finish
26.22 mi14:19:443:28:287:578:09
8:00
#11774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi139959948994810592(Top 40%)8449(Top 56%)8449(Top 594%)
10K6.21 mi3.10 mi12439+15569296+6529296+65210811(Top 41%)8589(Top 57%)8589(Top 604%)
15K9.32 mi3.11 mi11760+6798982+3148982+31410592(Top 40%)8449(Top 56%)8449(Top 594%)
20K12.43 mi3.11 mi11526+2348871+1118871+11110949(Top 41%)8556(Top 56%)8556(Top 602%)
Half13.11 mi0.68 mi11478+488852+198852+1910789(Top 41%)8515(Top 56%)8515(Top 599%)
25K15.53 mi2.42 mi11462+168823+298823+2911687(Top 44%)8788(Top 58%)8788(Top 618%)
30K18.64 mi3.11 mi11621-1598841-188841-1812385(Top 47%)8965(Top 59%)8965(Top 630%)
20M20.00 mi1.36 mi11712-918864-238864-2312765(Top 48%)9022(Top 59%)9022(Top 634%)
21M21.00 mi1.00 mi11833-1218895-318895-3113576(Top 51%)9303(Top 61%)9303(Top 654%)
35K21.75 mi0.75 mi11860-278895889512233(Top 46%)8651(Top 57%)8651(Top 608%)
23M23.00 mi1.25 mi11828+328865+308865+3011822(Top 44%)8387(Top 55%)8387(Top 590%)
24M24.00 mi1.00 mi11815+138837+288837+2811666(Top 44%)8234(Top 54%)8234(Top 579%)
40K24.85 mi0.85 mi11780+358796+418796+4111253(Top 42%)7958(Top 52%)7958(Top 560%)
25.2M25.20 mi0.35 mi11766+148778+188778+1811256(Top 42%)7919(Top 52%)7919(Top 557%)
Finish26.22 mi1.02 mi11774-88761+178761+1712101(Top 45%)8336(Top 55%)8336(Top 586%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10592

Males

8449

M55-59

8449

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10811

Males

8589

M55-59

8589

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10592

Males

8449

M55-59

8449

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10949

Males

8556

M55-59

8556

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10789

Males

8515

M55-59

8515

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11687

Males

8788

M55-59

8788

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12385

Males

8965

M55-59

8965

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12765

Males

9022

M55-59

9022

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13576

Males

9303

M55-59

9303

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12233

Males

8651

M55-59

8651

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11822

Males

8387

M55-59

8387

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11666

Males

8234

M55-59

8234

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11253

Males

7958

M55-59

7958

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11256

Males

7919

M55-59

7919

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12101

Males

8336

M55-59

8336

Passing Analysis

Category:
Athletes Passed
3430
Passed By
1209
Net Change
+2221
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13995
5K → 10K158630+1556#13995#12439
10K → 15K69920+679#12439#11760
15K → 20K28854+234#11760#11526
20K → Half6315+48#11526#11478
Half → 25K126110+16#11478#11462
25K → 30K131290-159#11462#11621
30K → 20M80171-91#11621#11712
20M → 21M50171-121#11712#11833
21M → 35K3865-27#11833#11860
35K → 23M10371+32#11860#11828
23M → 24M7562+13#11828#11815
24M → 40K8146+35#11815#11780
40K → 25.2M3521+14#11780#11766
25.2M → Finish7583-8#11766#11774
TOTALS34301209+2221
📊

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