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BOSTON MARATHON 2023

Greg Field

Bib: 21161•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17870
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
53:03
Rank: #18123 (-253)
5K → 10K
26:30 | 8:32/mi
15K· 9.32 mi
1:19:22
Rank: #17935 (+188)
10K → 15K
26:19 | 8:28/mi
20K· 12.43 mi
1:45:48
Rank: #17646 (+289)
15K → 20K
26:26 | 8:30/mi
Half· 13.11 mi
1:51:29
Rank: #17589 (+57)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:12:02
Rank: #17309 (+280)
Half → 25K
20:33 | 8:29/mi
30K· 18.64 mi
2:39:04
Rank: #16965 (+344)
25K → 30K
27:02 | 8:42/mi
20M
2:51:03
Rank: #16853 (+112)
30K → 20M
11:59 | 8:49/mi
21M
3:00:20
Rank: #16726 (+127)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
3:06:45
Rank: #16685 (+41)
21M → 35K
6:25 | 8:35/mi
23M
3:18:19
Rank: #16717 (-32)
35K → 23M
11:34 | 9:14/mi
24M
3:27:06
Rank: #16681 (+36)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:34:49
Rank: #16669 (+12)
24M → 40K
7:43 | 9:02/mi
25.2M
3:38:17
Rank: #16676 (-7)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:47:46
Rank: #16804 (-128)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2626:338:3326:33
8:33
-
10K
6.21 mi11:45:5653:038:3226:30
8:32
-0:01
15K
9.32 mi12:12:151:19:228:3126:19
8:28
-0:04
20K
12.43 mi12:38:411:45:488:3126:26
8:30
+0:02
Half
13.11 mi12:44:221:51:298:305:41
8:20
-0:10
25K
15.53 mi13:04:552:12:028:3020:33
8:29
+0:09
30K
18.64 mi13:31:572:39:048:3227:02
8:42
+0:13
20M
20.00 mi13:43:562:51:038:3311:59
8:49
+0:07
21M
21.00 mi13:53:133:00:208:359:17
9:17
+0:28
35K
21.75 mi13:59:383:06:458:356:25
8:35
-0:42
23M
23.00 mi14:11:123:18:198:3711:34
9:14
+0:39
24M
24.00 mi14:19:593:27:068:388:47
8:47
-0:27
40K
24.85 mi14:27:423:34:498:397:43
9:02
+0:15
25.2M
25.20 mi14:31:103:38:178:403:28
10:03
+1:01
Finish
26.22 mi14:40:393:47:468:429:29
9:18
-0:45

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

8:42 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:00

14% of race

Time at Steady Pace

2:34:15

68% of race

Time at Slower Pace

41:31

18% of race

Average Pace: 8:41 /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 mi11:19:2626:338:3326:33
8:33
#17870
10K
6.21 mi11:45:5653:038:3226:30
8:32
#18123
15K
9.32 mi12:12:151:19:228:3126:19
8:28
#17935
20K
12.43 mi12:38:411:45:488:3126:26
8:30
#17646
Half
13.11 mi12:44:221:51:298:305:41
8:20
#17589
25K
15.53 mi13:04:552:12:028:3020:33
8:29
#17309
30K
18.64 mi13:31:572:39:048:3227:02
8:42
#16965
20M
20.00 mi13:43:562:51:038:3311:59
8:49
#16853
21M
21.00 mi13:53:133:00:208:359:17
9:17
#16726
35K
21.75 mi13:59:383:06:458:356:25
8:35
#16685
23M
23.00 mi14:11:123:18:198:3711:34
9:14
#16717
24M
24.00 mi14:19:593:27:068:388:47
8:47
#16681
40K
24.85 mi14:27:423:34:498:397:43
9:02
#16669
25.2M
25.20 mi14:31:103:38:178:403:28
10:03
#16676
Finish
26.22 mi14:40:393:47:468:429:29
9:18
#16804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17870113801138017594(Top 66%)11303(Top 74%)11303(Top 1018%)
10K6.21 mi3.10 mi18123-25311504-12411504-12418419(Top 69%)11670(Top 77%)11670(Top 1051%)
15K9.32 mi3.11 mi17935+18811428+7611428+7617594(Top 66%)11303(Top 74%)11303(Top 1018%)
20K12.43 mi3.11 mi17646+28911319+10911319+10916897(Top 63%)11002(Top 72%)11002(Top 991%)
Half13.11 mi0.68 mi17589+5711292+2711292+2716632(Top 62%)10934(Top 72%)10934(Top 985%)
25K15.53 mi2.42 mi17309+28011167+12511167+12516045(Top 60%)10559(Top 70%)10559(Top 951%)
30K18.64 mi3.11 mi16965+34411003+16411003+16415518(Top 58%)10272(Top 68%)10272(Top 925%)
20M20.00 mi1.36 mi16853+11210945+5810945+5815520(Top 58%)10219(Top 67%)10219(Top 921%)
21M21.00 mi1.00 mi16726+12710873+7210873+7214886(Top 56%)9890(Top 65%)9890(Top 891%)
35K21.75 mi0.75 mi16685+4110850+2310850+2315710(Top 59%)10165(Top 67%)10165(Top 916%)
23M23.00 mi1.25 mi16717-3210841+910841+917231(Top 65%)10792(Top 71%)10792(Top 972%)
24M24.00 mi1.00 mi16681+3610811+3010811+3016091(Top 60%)10219(Top 67%)10219(Top 921%)
40K24.85 mi0.85 mi16669+1210785+2610785+2616256(Top 61%)10237(Top 67%)10237(Top 922%)
25.2M25.20 mi0.35 mi16676-710781+410781+417549(Top 66%)10806(Top 71%)10806(Top 974%)
Finish26.22 mi1.02 mi16804-12810822-4110822-4119373(Top 73%)11688(Top 77%)11688(Top 1053%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17594

Males

11303

M60-64

11303

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18419

Males

11670

M60-64

11670

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17594

Males

11303

M60-64

11303

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16897

Males

11002

M60-64

11002

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16632

Males

10934

M60-64

10934

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16045

Males

10559

M60-64

10559

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15518

Males

10272

M60-64

10272

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15520

Males

10219

M60-64

10219

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14886

Males

9890

M60-64

9890

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15710

Males

10165

M60-64

10165

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17231

Males

10792

M60-64

10792

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16091

Males

10219

M60-64

10219

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16256

Males

10237

M60-64

10237

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17549

Males

10806

M60-64

10806

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19373

Males

11688

M60-64

11688

Passing Analysis

Category:
Athletes Passed
2201
Passed By
1135
Net Change
+1066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17870
5K → 10K202455-253#17870#18123
10K → 15K291103+188#18123#17935
15K → 20K35061+289#17935#17646
20K → Half658+57#17646#17589
Half → 25K29212+280#17589#17309
25K → 30K37531+344#17309#16965
30K → 20M13624+112#16965#16853
20M → 21M14821+127#16853#16726
21M → 35K6120+41#16726#16685
35K → 23M78110-32#16685#16717
23M → 24M8145+36#16717#16681
24M → 40K6250+12#16681#16669
40K → 25.2M2734-7#16669#16676
25.2M → Finish33161-128#16676#16804
TOTALS22011135+1066
📊

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