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BOSTON MARATHON 2023

James Markham

Bib: 1676•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M45-49)
#0 / 2252
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1210
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:44
Rank: #1310 (-100)
5K → 10K
19:22 | 6:14/mi
15K· 9.32 mi
58:17
Rank: #1389 (-79)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:17:49
Rank: #1346 (+43)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:22:04
Rank: #1346
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:37:05
Rank: #1287 (+59)
Half → 25K
15:01 | 6:12/mi
30K· 18.64 mi
1:56:37
Rank: #1189 (+98)
25K → 30K
19:32 | 6:17/mi
20M
2:05:12
Rank: #1153 (+36)
30K → 20M
8:35 | 6:19/mi
21M
2:11:48
Rank: #1109 (+44)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:16:18
Rank: #1082 (+27)
21M → 35K
4:30 | 6:01/mi
23M
2:24:11
Rank: #1060 (+22)
35K → 23M
7:53 | 6:18/mi
24M
2:30:15
Rank: #1021 (+39)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:35:32
Rank: #984 (+37)
24M → 40K
5:17 | 6:11/mi
25.2M
2:37:49
Rank: #979 (+5)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:43:56
Rank: #949 (+30)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:04
Pace6:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:52
Pace6:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4719:226:1419:22
6:14
-
10K
6.21 mi10:39:0938:446:1419:22
6:14
0:00
15K
9.32 mi10:58:4258:176:1519:33
6:18
+0:04
20K
12.43 mi11:18:141:17:496:1619:32
6:17
-0:01
Half
13.11 mi11:22:291:22:046:164:15
6:14
-0:03
25K
15.53 mi11:37:301:37:056:1515:01
6:12
-0:02
30K
18.64 mi11:57:021:56:376:1519:32
6:17
+0:05
20M
20.00 mi12:05:372:05:126:168:35
6:19
+0:02
21M
21.00 mi12:12:132:11:486:176:36
6:36
+0:17
35K
21.75 mi12:16:432:16:186:164:30
6:01
-0:35
23M
23.00 mi12:24:362:24:116:167:53
6:18
+0:17
24M
24.00 mi12:30:402:30:156:166:04
6:04
-0:14
40K
24.85 mi12:35:572:35:326:155:17
6:11
+0:07
25.2M
25.20 mi12:38:142:37:496:162:17
6:37
+0:26
Finish
26.22 mi12:44:212:43:566:156:07
6:00
-0:37

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

6:00 /mi

Average Pace

6:15 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:39

99% of race

Time at Steady Pace

2:17

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:19:4719:226:1419:22
6:14
#1210
10K
6.21 mi10:39:0938:446:1419:22
6:14
#1310
15K
9.32 mi10:58:4258:176:1519:33
6:18
#1389
20K
12.43 mi11:18:141:17:496:1619:32
6:17
#1346
Half
13.11 mi11:22:291:22:046:164:15
6:14
#1346
25K
15.53 mi11:37:301:37:056:1515:01
6:12
#1287
30K
18.64 mi11:57:021:56:376:1519:32
6:17
#1189
20M
20.00 mi12:05:372:05:126:168:35
6:19
#1153
21M
21.00 mi12:12:132:11:486:176:36
6:36
#1109
35K
21.75 mi12:16:432:16:186:164:30
6:01
#1082
23M
23.00 mi12:24:362:24:116:167:53
6:18
#1060
24M
24.00 mi12:30:402:30:156:166:04
6:04
#1021
40K
24.85 mi12:35:572:35:326:155:17
6:11
#984
25.2M
25.20 mi12:38:142:37:496:162:17
6:37
#979
Finish
26.22 mi12:44:212:43:566:156:07
6:00
#949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1210114711471612(Top 6%)1539(Top 10%)1539(Top 68%)
10K6.21 mi3.10 mi1310-1001244-971244-971470(Top 6%)1403(Top 9%)1403(Top 62%)
15K9.32 mi3.11 mi1389-791324-801324-801612(Top 6%)1539(Top 10%)1539(Top 68%)
20K12.43 mi3.11 mi1346+431281+431281+431324(Top 5%)1264(Top 8%)1264(Top 56%)
Half13.11 mi0.68 mi13461282-11282-11448(Top 5%)1384(Top 9%)1384(Top 61%)
25K15.53 mi2.42 mi1287+591228+541228+54981(Top 4%)932(Top 6%)932(Top 41%)
30K18.64 mi3.11 mi1189+981134+941134+94885(Top 3%)843(Top 6%)843(Top 37%)
20M20.00 mi1.36 mi1153+361100+341100+34905(Top 3%)864(Top 6%)864(Top 38%)
21M21.00 mi1.00 mi1109+441056+441056+44869(Top 3%)823(Top 5%)823(Top 37%)
35K21.75 mi0.75 mi1082+271030+261030+26725(Top 3%)685(Top 5%)685(Top 30%)
23M23.00 mi1.25 mi1060+221008+221008+22829(Top 3%)787(Top 5%)787(Top 35%)
24M24.00 mi1.00 mi1021+39971+37971+37689(Top 3%)652(Top 4%)652(Top 29%)
40K24.85 mi0.85 mi984+37935+36935+36627(Top 2%)592(Top 4%)592(Top 26%)
25.2M25.20 mi0.35 mi979+5930+5930+5699(Top 3%)664(Top 4%)664(Top 29%)
Finish26.22 mi1.02 mi949+30901+29901+29729(Top 3%)697(Top 5%)697(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1612

Males

1539

M45-49

1539

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1470

Males

1403

M45-49

1403

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1612

Males

1539

M45-49

1539

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1324

Males

1264

M45-49

1264

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1448

Males

1384

M45-49

1384

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

981

Males

932

M45-49

932

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

885

Males

843

M45-49

843

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

905

Males

864

M45-49

864

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

869

Males

823

M45-49

823

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

725

Males

685

M45-49

685

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

829

Males

787

M45-49

787

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

689

Males

652

M45-49

652

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

627

Males

592

M45-49

592

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

699

Males

664

M45-49

664

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

729

Males

697

M45-49

697

Passing Analysis

Category:
Athletes Passed
561
Passed By
300
Net Change
+261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1210
5K → 10K33133-100#1210#1310
10K → 15K24103-79#1310#1389
15K → 20K6623+43#1389#1346
20K → Half990#1346#1346
Half → 25K623+59#1346#1287
25K → 30K1035+98#1287#1189
30K → 20M393+36#1189#1153
20M → 21M462+44#1153#1109
21M → 35K270+27#1109#1082
35K → 23M264+22#1082#1060
23M → 24M423+39#1060#1021
24M → 40K381+37#1021#984
40K → 25.2M72+5#984#979
25.2M → Finish399+30#979#949
TOTALS561300+261
📊

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