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BOSTON MARATHON 2023

Robert Hyams

Bib: 18958•M

NY

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:29/mi
26:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:17:03
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:43:42
↑ 106↓ 860.1%
Half· 13.11 mi
8:11/mi
1:49:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:11:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:40:15
↑ 181↓ 1480.2%
20M
9:28/mi
2:53:07
↑ 64↓ 500.2%
21M
10:16/mi
3:03:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:09:52
↑ 17↓ 861.7%
23M
8:56/mi
3:21:03
↑ 23↓ 630.6%
24M
8:44/mi
3:29:47
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:37:13
↓ 200.3%
25.2M
10:23/mi
3:40:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:48:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:17
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:59:32
Pace9:07 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3526:228:2926:22
8:29
-
10K
6.21 mi11:46:0451:518:2125:29
8:12
-0:17
15K
9.32 mi12:11:161:17:038:1625:12
8:07
-0:05
20K
12.43 mi12:37:551:43:428:2126:39
8:35
+0:28
Half
13.11 mi12:43:301:49:178:205:35
8:11
-0:24
25K
15.53 mi13:05:362:11:238:2722:06
9:07
+0:56
30K
18.64 mi13:34:282:40:158:3628:52
9:17
+0:10
20M
20.00 mi13:47:202:53:078:3912:52
9:28
+0:11
21M
21.00 mi13:57:363:03:238:4410:16
10:16
+0:48
35K
21.75 mi14:04:053:09:528:446:29
8:40
-1:36
23M
23.00 mi14:15:163:21:038:4411:11
8:56
+0:16
24M
24.00 mi14:24:003:29:478:448:44
8:44
-0:12
40K
24.85 mi14:31:263:37:138:447:26
8:42
-0:02
25.2M
25.20 mi14:35:013:40:488:463:35
10:23
+1:41
Finish
26.22 mi14:43:023:48:498:448:01
7:52
-2:31

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

7:52 /mi

Average Pace

8:44 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:17

28% of race

Time at Steady Pace

1:26:51

38% of race

Time at Slower Pace

1:17:41

34% of race

Average Pace: 8:44 /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 mi11:20:3526:228:2926:22
8:29
#17463
10K
6.21 mi11:46:0451:518:2125:29
8:12
#16806
15K
9.32 mi12:11:161:17:038:1625:12
8:07
#16282
20K
12.43 mi12:37:551:43:428:2126:39
8:35
#16587
Half
13.11 mi12:43:301:49:178:205:35
8:11
#16542
25K
15.53 mi13:05:362:11:238:2722:06
9:07
#17074
30K
18.64 mi13:34:282:40:158:3628:52
9:17
#17335
20M
20.00 mi13:47:202:53:078:3912:52
9:28
#17453
21M
21.00 mi13:57:363:03:238:4410:16
10:16
#17582
35K
21.75 mi14:04:053:09:528:446:29
8:40
#17526
23M
23.00 mi14:15:163:21:038:4411:11
8:56
#17413
24M
24.00 mi14:24:003:29:478:448:44
8:44
#17351
40K
24.85 mi14:31:263:37:138:447:26
8:42
#17226
25.2M
25.20 mi14:35:013:40:488:463:35
10:23
#17277
Finish
26.22 mi14:43:023:48:498:448:01
7:52
#17055
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17463112121121215235(Top 57%)10403(Top 69%)10403(Top 732%)
10K6.21 mi3.10 mi16806+65711006+20611006+20616261(Top 61%)10809(Top 71%)10809(Top 760%)
15K9.32 mi3.11 mi16282+52410807+19910807+19915235(Top 57%)10403(Top 69%)10403(Top 732%)
20K12.43 mi3.11 mi16587-30510895-8810895-8817332(Top 65%)11186(Top 74%)11186(Top 787%)
Half13.11 mi0.68 mi16542+4510882+1310882+1315648(Top 59%)10556(Top 70%)10556(Top 742%)
25K15.53 mi2.42 mi17074-53211065-18311065-18319475(Top 73%)12040(Top 79%)12040(Top 847%)
30K18.64 mi3.11 mi17335-26111162-9711162-9718571(Top 70%)11587(Top 76%)11587(Top 815%)
20M20.00 mi1.36 mi17453-11811187-2511187-2518722(Top 70%)11551(Top 76%)11551(Top 812%)
21M21.00 mi1.00 mi17582-12911215-2811215-2818918(Top 71%)11603(Top 76%)11603(Top 816%)
35K21.75 mi0.75 mi17526+5611179+3611179+3616214(Top 61%)10376(Top 68%)10376(Top 730%)
23M23.00 mi1.25 mi17413+11311127+5211127+5215683(Top 59%)10100(Top 67%)10100(Top 710%)
24M24.00 mi1.00 mi17351+6211091+3611091+3615839(Top 59%)10105(Top 67%)10105(Top 711%)
40K24.85 mi0.85 mi17226+12511020+7111020+7114462(Top 54%)9447(Top 62%)9447(Top 664%)
25.2M25.20 mi0.35 mi17277-5111031-1111031-1118715(Top 70%)11343(Top 75%)11343(Top 798%)
Finish26.22 mi1.02 mi17055+22210930+10110930+10111156(Top 42%)7880(Top 52%)7880(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15235

Males

10403

M55-59

10403

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16261

Males

10809

M55-59

10809

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15235

Males

10403

M55-59

10403

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17332

Males

11186

M55-59

11186

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15648

Males

10556

M55-59

10556

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19475

Males

12040

M55-59

12040

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18571

Males

11587

M55-59

11587

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18722

Males

11551

M55-59

11551

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18918

Males

11603

M55-59

11603

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16214

Males

10376

M55-59

10376

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15683

Males

10100

M55-59

10100

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15839

Males

10105

M55-59

10105

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14462

Males

9447

M55-59

9447

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18715

Males

11343

M55-59

11343

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11156

Males

7880

M55-59

7880

Passing Analysis

Category:
Athletes Passed
2404
Passed By
1996
Net Change
+408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17463
5K → 10K768111+657#17463#16806
10K → 15K57652+524#16806#16282
15K → 20K85390-305#16282#16587
20K → Half6116+45#16587#16542
Half → 25K31563-532#16542#17074
25K → 30K97358-261#17074#17335
30K → 20M54172-118#17335#17453
20M → 21M53182-129#17453#17582
21M → 35K7317+56#17582#17526
35K → 23M14027+113#17526#17413
23M → 24M9129+62#17413#17351
24M → 40K13914+125#17351#17226
40K → 25.2M1061-51#17226#17277
25.2M → Finish2264+222#17277#17055
TOTALS24041996+408
📊

Passing Visuals

Category:
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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