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BOSTON MARATHON 2023

James Gledhill

Bib: 3031•M

DC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M40-44)
#0 / 2241
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #3154
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
40:42
Rank: #2790 (+364)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:49
Rank: #2668 (+122)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:21:01
Rank: #2558 (+110)
15K → 20K
20:12 | 6:30/mi
Half· 13.11 mi
1:25:25
Rank: #2547 (+11)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:07
Rank: #2456 (+91)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
2:01:21
Rank: #2281 (+175)
25K → 30K
20:14 | 6:31/mi
20M
2:10:17
Rank: #2212 (+69)
30K → 20M
8:56 | 6:34/mi
21M
2:16:51
Rank: #2083 (+129)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:21:27
Rank: #2035 (+48)
21M → 35K
4:36 | 6:09/mi
23M
2:29:38
Rank: #1965 (+70)
35K → 23M
8:11 | 6:32/mi
24M
2:35:52
Rank: #1900 (+65)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:41:24
Rank: #1866 (+34)
24M → 40K
5:32 | 6:28/mi
25.2M
2:43:52
Rank: #1868 (-2)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:50:25
Rank: #1843 (+25)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:25
Pace6:31 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4920:386:3820:38
6:38
-
10K
6.21 mi10:41:5340:426:3320:04
6:28
-0:10
15K
9.32 mi11:02:001:00:496:3120:07
6:28
0:00
20K
12.43 mi11:22:121:21:016:3120:12
6:30
+0:02
Half
13.11 mi11:26:361:25:256:314:24
6:27
-0:03
25K
15.53 mi11:42:181:41:076:3115:42
6:29
+0:02
30K
18.64 mi12:02:322:01:216:3120:14
6:31
+0:02
20M
20.00 mi12:11:282:10:176:318:56
6:34
+0:03
21M
21.00 mi12:18:022:16:516:316:34
6:34
0:00
35K
21.75 mi12:22:382:21:276:304:36
6:09
-0:25
23M
23.00 mi12:30:492:29:386:308:11
6:32
+0:23
24M
24.00 mi12:37:032:35:526:306:14
6:14
-0:18
40K
24.85 mi12:42:352:41:246:305:32
6:28
+0:14
25.2M
25.20 mi12:45:032:43:526:302:28
7:09
+0:41
Finish
26.22 mi12:51:362:50:256:306:33
6:26
-0:43

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

6:09 /mi

Average Pace

6:30 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:57

99% of race

Time at Steady Pace

2:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:21:4920:386:3820:38
6:38
#3154
10K
6.21 mi10:41:5340:426:3320:04
6:28
#2790
15K
9.32 mi11:02:001:00:496:3120:07
6:28
#2668
20K
12.43 mi11:22:121:21:016:3120:12
6:30
#2558
Half
13.11 mi11:26:361:25:256:314:24
6:27
#2547
25K
15.53 mi11:42:181:41:076:3115:42
6:29
#2456
30K
18.64 mi12:02:322:01:216:3120:14
6:31
#2281
20M
20.00 mi12:11:282:10:176:318:56
6:34
#2212
21M
21.00 mi12:18:022:16:516:316:34
6:34
#2083
35K
21.75 mi12:22:382:21:276:304:36
6:09
#2035
23M
23.00 mi12:30:492:29:386:308:11
6:32
#1965
24M
24.00 mi12:37:032:35:526:306:14
6:14
#1900
40K
24.85 mi12:42:352:41:246:305:32
6:28
#1866
25.2M
25.20 mi12:45:032:43:526:302:28
7:09
#1868
Finish
26.22 mi12:51:362:50:256:306:33
6:26
#1843
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3154298229822477(Top 9%)2376(Top 16%)2376(Top 106%)
10K6.21 mi3.10 mi2790+3642660+3222660+3222535(Top 10%)2422(Top 16%)2422(Top 108%)
15K9.32 mi3.11 mi2668+1222547+1132547+1132477(Top 9%)2376(Top 16%)2376(Top 106%)
20K12.43 mi3.11 mi2558+1102447+1002447+1002284(Top 9%)2189(Top 14%)2189(Top 98%)
Half13.11 mi0.68 mi2547+112440+72440+72440(Top 9%)2339(Top 15%)2339(Top 104%)
25K15.53 mi2.42 mi2456+912353+872353+872045(Top 8%)1959(Top 13%)1959(Top 87%)
30K18.64 mi3.11 mi2281+1752189+1642189+1641607(Top 6%)1537(Top 10%)1537(Top 69%)
20M20.00 mi1.36 mi2212+692122+672122+671709(Top 6%)1629(Top 11%)1629(Top 73%)
21M21.00 mi1.00 mi2083+1291996+1261996+126810(Top 3%)766(Top 5%)766(Top 34%)
35K21.75 mi0.75 mi2035+481951+451951+451107(Top 4%)1055(Top 7%)1055(Top 47%)
23M23.00 mi1.25 mi1965+701884+671884+671556(Top 6%)1478(Top 10%)1478(Top 66%)
24M24.00 mi1.00 mi1900+651819+651819+651138(Top 4%)1079(Top 7%)1079(Top 48%)
40K24.85 mi0.85 mi1866+341785+341785+341446(Top 5%)1365(Top 9%)1365(Top 61%)
25.2M25.20 mi0.35 mi1868-21786-11786-12253(Top 8%)2086(Top 14%)2086(Top 93%)
Finish26.22 mi1.02 mi1843+251761+251761+252120(Top 8%)1965(Top 13%)1965(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2477

Males

2376

M40-44

2376

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2535

Males

2422

M40-44

2422

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2477

Males

2376

M40-44

2376

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2284

Males

2189

M40-44

2189

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2440

Males

2339

M40-44

2339

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2045

Males

1959

M40-44

1959

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1607

Males

1537

M40-44

1537

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1709

Males

1629

M40-44

1629

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

810

Males

766

M40-44

766

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1107

Males

1055

M40-44

1055

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1556

Males

1478

M40-44

1478

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1138

Males

1079

M40-44

1079

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1446

Males

1365

M40-44

1365

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2253

Males

2086

M40-44

2086

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2120

Males

1965

M40-44

1965

Passing Analysis

Category:
Athletes Passed
1482
Passed By
171
Net Change
+1311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3154
5K → 10K40137+364#3154#2790
10K → 15K15129+122#2790#2668
15K → 20K12919+110#2668#2558
20K → Half198+11#2558#2547
Half → 25K10918+91#2547#2456
25K → 30K1794+175#2456#2281
30K → 20M756+69#2281#2212
20M → 21M1312+129#2212#2083
21M → 35K480+48#2083#2035
35K → 23M766+70#2035#1965
23M → 24M705+65#1965#1900
24M → 40K4511+34#1900#1866
40K → 25.2M1012-2#1866#1868
25.2M → Finish3914+25#1868#1843
TOTALS1482171+1311
📊

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