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BOSTON MARATHON 2023

Gary Ross

Bib: 21765•M

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:16
Rank: #17242
Start → 5K
26:16 | 8:27/mi
10K· 6.21 mi
52:21
Rank: #17377 (-135)
5K → 10K
26:05 | 8:24/mi
15K· 9.32 mi
1:18:46
Rank: #17525 (-148)
10K → 15K
26:25 | 8:30/mi
20K· 12.43 mi
1:45:38
Rank: #17562 (-37)
15K → 20K
26:52 | 8:39/mi
Half· 13.11 mi
1:51:19
Rank: #17504 (+58)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:12:17
Rank: #17416 (+88)
Half → 25K
20:58 | 8:39/mi
30K· 18.64 mi
2:40:16
Rank: #17341 (+75)
25K → 30K
27:59 | 9:00/mi
20M
2:53:01
Rank: #17420 (-79)
30K → 20M
12:45 | 9:23/mi
21M
3:03:16
Rank: #17553 (-133)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:10:03
Rank: #17573 (-20)
21M → 35K
6:47 | 9:04/mi
23M
3:21:43
Rank: #17577 (-4)
35K → 23M
11:40 | 9:19/mi
24M
3:30:57
Rank: #17642 (-65)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:39:14
Rank: #17739 (-97)
24M → 40K
8:17 | 9:41/mi
25.2M
3:42:59
Rank: #17798 (-59)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:52:59
Rank: #17973 (-175)
25.2M → Finish
10:00 | 9:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:19
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:01:40
Pace9:17 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4126:168:2726:16
8:27
-
10K
6.21 mi11:47:4652:218:2526:05
8:24
-0:03
15K
9.32 mi12:14:111:18:468:2726:25
8:30
+0:06
20K
12.43 mi12:41:031:45:388:3026:52
8:39
+0:09
Half
13.11 mi12:46:441:51:198:295:41
8:20
-0:19
25K
15.53 mi13:07:422:12:178:3120:58
8:39
+0:19
30K
18.64 mi13:35:412:40:168:3627:59
9:00
+0:21
20M
20.00 mi13:48:262:53:018:3912:45
9:23
+0:23
21M
21.00 mi13:58:413:03:168:4410:15
10:15
+0:52
35K
21.75 mi14:05:283:10:038:446:47
9:04
-1:11
23M
23.00 mi14:17:083:21:438:4611:40
9:19
+0:15
24M
24.00 mi14:26:223:30:578:479:14
9:14
-0:05
40K
24.85 mi14:34:393:39:148:498:17
9:41
+0:27
25.2M
25.20 mi14:38:243:42:598:513:45
10:52
+1:11
Finish
26.22 mi14:48:243:52:598:5410:00
9:49
-1:03

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

8:20 /mi

Average Pace

8:54 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:17

57% of race

Time at Steady Pace

1:08:25

29% of race

Time at Slower Pace

32:17

14% of race

Average Pace: 8:53 /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 mi11:21:4126:168:2726:16
8:27
#17242
10K
6.21 mi11:47:4652:218:2526:05
8:24
#17377
15K
9.32 mi12:14:111:18:468:2726:25
8:30
#17525
20K
12.43 mi12:41:031:45:388:3026:52
8:39
#17562
Half
13.11 mi12:46:441:51:198:295:41
8:20
#17504
25K
15.53 mi13:07:422:12:178:3120:58
8:39
#17416
30K
18.64 mi13:35:412:40:168:3627:59
9:00
#17341
20M
20.00 mi13:48:262:53:018:3912:45
9:23
#17420
21M
21.00 mi13:58:413:03:168:4410:15
10:15
#17553
35K
21.75 mi14:05:283:10:038:446:47
9:04
#17573
23M
23.00 mi14:17:083:21:438:4611:40
9:19
#17577
24M
24.00 mi14:26:223:30:578:479:14
9:14
#17642
40K
24.85 mi14:34:393:39:148:498:17
9:41
#17739
25.2M
25.20 mi14:38:243:42:598:513:45
10:52
#17798
Finish
26.22 mi14:48:243:52:598:5410:00
9:49
#17973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17242111321113217822(Top 67%)11403(Top 75%)11403(Top 2077%)
10K6.21 mi3.10 mi17377-13511209-7711209-7717552(Top 66%)11319(Top 75%)11319(Top 2062%)
15K9.32 mi3.11 mi17525-14811279-7011279-7017822(Top 67%)11403(Top 75%)11403(Top 2077%)
20K12.43 mi3.11 mi17562-3711286-711286-717778(Top 67%)11372(Top 75%)11372(Top 2071%)
Half13.11 mi0.68 mi17504+5811257+2911257+2916648(Top 63%)10950(Top 72%)10950(Top 1995%)
25K15.53 mi2.42 mi17416+8811207+5011207+5017079(Top 64%)11010(Top 73%)11010(Top 2005%)
30K18.64 mi3.11 mi17341+7511167+4011167+4017197(Top 65%)10993(Top 72%)10993(Top 2002%)
20M20.00 mi1.36 mi17420-7911170-311170-318374(Top 69%)11401(Top 75%)11401(Top 2077%)
21M21.00 mi1.00 mi17553-13311204-3411204-3418865(Top 71%)11580(Top 76%)11580(Top 2109%)
35K21.75 mi0.75 mi17573-2011199+511199+518144(Top 68%)11207(Top 74%)11207(Top 2041%)
23M23.00 mi1.25 mi17577-411191+811191+817588(Top 66%)10943(Top 72%)10943(Top 1993%)
24M24.00 mi1.00 mi17642-6511200-911200-918168(Top 68%)11155(Top 74%)11155(Top 2032%)
40K24.85 mi0.85 mi17739-9711240-4011240-4018971(Top 71%)11471(Top 76%)11471(Top 2089%)
25.2M25.20 mi0.35 mi17798-5911260-2011260-2020125(Top 76%)11971(Top 79%)11971(Top 2181%)
Finish26.22 mi1.02 mi17973-17511312-5211312-5221178(Top 80%)12501(Top 82%)12501(Top 2277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17822

Males

11403

M65-69

11403

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17552

Males

11319

M65-69

11319

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17822

Males

11403

M65-69

11403

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17778

Males

11372

M65-69

11372

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16648

Males

10950

M65-69

10950

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17079

Males

11010

M65-69

11010

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17197

Males

10993

M65-69

10993

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18374

Males

11401

M65-69

11401

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18865

Males

11580

M65-69

11580

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18144

Males

11207

M65-69

11207

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17588

Males

10943

M65-69

10943

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18168

Males

11155

M65-69

11155

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18971

Males

11471

M65-69

11471

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20125

Males

11971

M65-69

11971

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21178

Males

12501

M65-69

12501

Passing Analysis

Category:
Athletes Passed
1319
Passed By
2050
Net Change
-731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17242
5K → 10K252387-135#17242#17377
10K → 15K133281-148#17377#17525
15K → 20K167204-37#17525#17562
20K → Half7618+58#17562#17504
Half → 25K16476+88#17504#17416
25K → 30K197122+75#17416#17341
30K → 20M65144-79#17341#17420
20M → 21M49182-133#17420#17553
21M → 35K4060-20#17553#17573
35K → 23M8387-4#17573#17577
23M → 24M45110-65#17577#17642
24M → 40K28125-97#17642#17739
40K → 25.2M867-59#17739#17798
25.2M → Finish12187-175#17798#17973
TOTALS13192050-731
📊

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