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BOSTON MARATHON 2023

John Gambrell

Bib: 17609•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:22
Rank: #12768
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
48:31
Rank: #12773 (-5)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:12:46
Rank: #12752 (+21)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:37:21
Rank: #12698 (+54)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:42:42
Rank: #12712 (-14)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:18
Rank: #12806 (-94)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:27:59
Rank: #12808 (-2)
25K → 30K
25:41 | 8:16/mi
20M
2:39:22
Rank: #12780 (+28)
30K → 20M
11:23 | 8:23/mi
21M
2:48:33
Rank: #12866 (-86)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
2:54:39
Rank: #12868 (-2)
21M → 35K
6:06 | 8:09/mi
23M
3:05:03
Rank: #12806 (+62)
35K → 23M
10:24 | 8:18/mi
24M
3:13:23
Rank: #12821 (-15)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:20:25
Rank: #12761 (+60)
24M → 40K
7:02 | 8:14/mi
25.2M
3:23:23
Rank: #12720 (+41)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:31:35
Rank: #12701 (+19)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:42
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5324:227:5124:22
7:51
-
10K
6.21 mi11:39:0248:317:4824:09
7:46
-0:05
15K
9.32 mi12:03:171:12:467:4824:15
7:48
+0:02
20K
12.43 mi12:27:521:37:217:5024:35
7:55
+0:07
Half
13.11 mi12:33:131:42:427:505:21
7:50
-0:05
25K
15.53 mi12:52:492:02:187:5219:36
8:05
+0:15
30K
18.64 mi13:18:302:27:597:5625:41
8:16
+0:11
20M
20.00 mi13:29:532:39:227:5811:23
8:23
+0:07
21M
21.00 mi13:39:042:48:338:029:11
9:11
+0:48
35K
21.75 mi13:45:102:54:398:026:06
8:09
-1:02
23M
23.00 mi13:55:343:05:038:0310:24
8:18
+0:09
24M
24.00 mi14:03:543:13:238:038:20
8:20
+0:02
40K
24.85 mi14:10:563:20:258:047:02
8:14
-0:06
25.2M
25.20 mi14:13:543:23:238:042:58
8:36
+0:22
Finish
26.22 mi14:22:063:31:358:058:12
8:03
-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

7:46 /mi

Average Pace

8:05 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:26

94% of race

Time at Steady Pace

2:58

1% of race

Time at Slower Pace

9:11

4% of race

Average Pace: 8:04 /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 mi11:14:5324:227:5124:22
7:51
#12768
10K
6.21 mi11:39:0248:317:4824:09
7:46
#12773
15K
9.32 mi12:03:171:12:467:4824:15
7:48
#12752
20K
12.43 mi12:27:521:37:217:5024:35
7:55
#12698
Half
13.11 mi12:33:131:42:427:505:21
7:50
#12712
25K
15.53 mi12:52:492:02:187:5219:36
8:05
#12806
30K
18.64 mi13:18:302:27:597:5625:41
8:16
#12808
20M
20.00 mi13:29:532:39:227:5811:23
8:23
#12780
21M
21.00 mi13:39:042:48:338:029:11
9:11
#12866
35K
21.75 mi13:45:102:54:398:026:06
8:09
#12868
23M
23.00 mi13:55:343:05:038:0310:24
8:18
#12806
24M
24.00 mi14:03:543:13:238:038:20
8:20
#12821
40K
24.85 mi14:10:563:20:258:047:02
8:14
#12761
25.2M
25.20 mi14:13:543:23:238:042:58
8:36
#12720
Finish
26.22 mi14:22:063:31:358:058:12
8:03
#12701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127689440944012758(Top 48%)9415(Top 62%)9415(Top 662%)
10K6.21 mi3.10 mi12773-59457-179457-1712885(Top 48%)9504(Top 63%)9504(Top 668%)
15K9.32 mi3.11 mi12752+219423+349423+3412758(Top 48%)9415(Top 62%)9415(Top 662%)
20K12.43 mi3.11 mi12698+549376+479376+4712712(Top 48%)9311(Top 61%)9311(Top 655%)
Half13.11 mi0.68 mi12712-149376937613046(Top 49%)9503(Top 63%)9503(Top 668%)
25K15.53 mi2.42 mi12806-949389-139389-1313385(Top 50%)9514(Top 63%)9514(Top 669%)
30K18.64 mi3.11 mi12808-29357+329357+3212788(Top 48%)9142(Top 60%)9142(Top 643%)
20M20.00 mi1.36 mi12780+289325+329325+3212851(Top 48%)9057(Top 60%)9057(Top 637%)
21M21.00 mi1.00 mi12866-869338-139338-1314371(Top 54%)9653(Top 64%)9653(Top 679%)
35K21.75 mi0.75 mi12868-29322+169322+1613114(Top 49%)9029(Top 59%)9029(Top 635%)
23M23.00 mi1.25 mi12806+629277+459277+4511914(Top 45%)8432(Top 56%)8432(Top 593%)
24M24.00 mi1.00 mi12821-159259+189259+1813409(Top 50%)9051(Top 60%)9051(Top 636%)
40K24.85 mi0.85 mi12761+609217+429217+4211518(Top 43%)8084(Top 53%)8084(Top 568%)
25.2M25.20 mi0.35 mi12720+419193+249193+2410152(Top 38%)7386(Top 49%)7386(Top 519%)
Finish26.22 mi1.02 mi12701+199163+309163+3012422(Top 47%)8490(Top 56%)8490(Top 597%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12758

Males

9415

M55-59

9415

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12885

Males

9504

M55-59

9504

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12758

Males

9415

M55-59

9415

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12712

Males

9311

M55-59

9311

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13046

Males

9503

M55-59

9503

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13385

Males

9514

M55-59

9514

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12788

Males

9142

M55-59

9142

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12851

Males

9057

M55-59

9057

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14371

Males

9653

M55-59

9653

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13114

Males

9029

M55-59

9029

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11914

Males

8432

M55-59

8432

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13409

Males

9051

M55-59

9051

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11518

Males

8084

M55-59

8084

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10152

Males

7386

M55-59

7386

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12422

Males

8490

M55-59

8490

Passing Analysis

Category:
Athletes Passed
1675
Passed By
1608
Net Change
+67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12768
5K → 10K296301-5#12768#12773
10K → 15K217196+21#12773#12752
15K → 20K210156+54#12752#12698
20K → Half3145-14#12698#12712
Half → 25K114208-94#12712#12806
25K → 30K188190-2#12806#12808
30K → 20M11890+28#12808#12780
20M → 21M65151-86#12780#12866
21M → 35K5153-2#12866#12868
35K → 23M11351+62#12868#12806
23M → 24M6782-15#12806#12821
24M → 40K8424+60#12821#12761
40K → 25.2M5211+41#12761#12720
25.2M → Finish6950+19#12720#12701
TOTALS16751608+67
📊

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