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BOSTON MARATHON 2023

James Emery

Bib: 1673•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:36
Rank: #1466
Start → 5K
19:36 | 6:19/mi
10K· 6.21 mi
38:58
Rank: #1458 (+8)
5K → 10K
19:22 | 6:14/mi
15K· 9.32 mi
58:18
Rank: #1401 (+57)
10K → 15K
19:20 | 6:13/mi
20K· 12.43 mi
1:18:00
Rank: #1411 (-10)
15K → 20K
19:42 | 6:20/mi
Half· 13.11 mi
1:22:12
Rank: #1388 (+23)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:26
Rank: #1357 (+31)
Half → 25K
15:14 | 6:17/mi
30K· 18.64 mi
1:57:49
Rank: #1418 (-61)
25K → 30K
20:23 | 6:34/mi
20M
2:06:43
Rank: #1421 (-3)
30K → 20M
8:54 | 6:33/mi
21M
2:13:38
Rank: #1428 (-7)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:18:19
Rank: #1419 (+9)
21M → 35K
4:41 | 6:16/mi
23M
2:26:23
Rank: #1389 (+30)
35K → 23M
8:04 | 6:27/mi
24M
2:32:40
Rank: #1360 (+29)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:38:05
Rank: #1329 (+31)
24M → 40K
5:25 | 6:20/mi
25.2M
2:40:28
Rank: #1320 (+9)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:46:57
Rank: #1318 (+2)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:12
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:24:45
Pace6:28 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0219:366:1919:36
6:19
-
10K
6.21 mi10:39:2438:586:1619:22
6:14
-0:05
15K
9.32 mi10:58:4458:186:1519:20
6:13
-0:01
20K
12.43 mi11:18:261:18:006:1719:42
6:20
+0:07
Half
13.11 mi11:22:381:22:126:164:12
6:09
-0:11
25K
15.53 mi11:37:521:37:266:1615:14
6:17
+0:08
30K
18.64 mi11:58:151:57:496:1920:23
6:34
+0:17
20M
20.00 mi12:07:092:06:436:208:54
6:33
-0:01
21M
21.00 mi12:14:042:13:386:226:55
6:55
+0:22
35K
21.75 mi12:18:452:18:196:224:41
6:16
-0:39
23M
23.00 mi12:26:492:26:236:228:04
6:27
+0:11
24M
24.00 mi12:33:062:32:406:226:17
6:17
-0:10
40K
24.85 mi12:38:312:38:056:225:25
6:20
+0:03
25.2M
25.20 mi12:40:542:40:286:222:23
6:55
+0:35
Finish
26.22 mi12:47:232:46:576:226:29
6:22
-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

6:09 /mi

Average Pace

6:22 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:39

94% of race

Time at Steady Pace

9:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:20:0219:366:1919:36
6:19
#1466
10K
6.21 mi10:39:2438:586:1619:22
6:14
#1458
15K
9.32 mi10:58:4458:186:1519:20
6:13
#1401
20K
12.43 mi11:18:261:18:006:1719:42
6:20
#1411
Half
13.11 mi11:22:381:22:126:164:12
6:09
#1388
25K
15.53 mi11:37:521:37:266:1615:14
6:17
#1357
30K
18.64 mi11:58:151:57:496:1920:23
6:34
#1418
20M
20.00 mi12:07:092:06:436:208:54
6:33
#1421
21M
21.00 mi12:14:042:13:386:226:55
6:55
#1428
35K
21.75 mi12:18:452:18:196:224:41
6:16
#1419
23M
23.00 mi12:26:492:26:236:228:04
6:27
#1389
24M
24.00 mi12:33:062:32:406:226:17
6:17
#1360
40K
24.85 mi12:38:312:38:056:225:25
6:20
#1329
25.2M
25.20 mi12:40:542:40:286:222:23
6:55
#1320
Finish
26.22 mi12:47:232:46:576:226:29
6:22
#1318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1466139513951324(Top 5%)1262(Top 8%)1262(Top 56%)
10K6.21 mi3.10 mi1458+81390+51390+51475(Top 6%)1408(Top 9%)1408(Top 63%)
15K9.32 mi3.11 mi1401+571336+541336+541324(Top 5%)1262(Top 8%)1262(Top 56%)
20K12.43 mi3.11 mi1411-101345-91345-91560(Top 6%)1491(Top 10%)1491(Top 67%)
Half13.11 mi0.68 mi1388+231323+221323+221202(Top 5%)1151(Top 8%)1151(Top 51%)
25K15.53 mi2.42 mi1357+311294+291294+291275(Top 5%)1218(Top 8%)1218(Top 54%)
30K18.64 mi3.11 mi1418-611354-601354-601792(Top 7%)1715(Top 11%)1715(Top 77%)
20M20.00 mi1.36 mi1421-31358-41358-41621(Top 6%)1545(Top 10%)1545(Top 69%)
21M21.00 mi1.00 mi1428-71364-61364-61801(Top 7%)1713(Top 11%)1713(Top 76%)
35K21.75 mi0.75 mi1419+91355+91355+91426(Top 5%)1352(Top 9%)1352(Top 60%)
23M23.00 mi1.25 mi1389+301325+301325+301236(Top 5%)1167(Top 8%)1167(Top 52%)
24M24.00 mi1.00 mi1360+291296+291296+291299(Top 5%)1229(Top 8%)1229(Top 55%)
40K24.85 mi0.85 mi1329+311267+291267+291004(Top 4%)951(Top 6%)951(Top 42%)
25.2M25.20 mi0.35 mi1320+91257+101257+101447(Top 5%)1364(Top 9%)1364(Top 61%)
Finish26.22 mi1.02 mi1318+21254+31254+31853(Top 7%)1731(Top 11%)1731(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1324

Males

1262

M40-44

1262

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1475

Males

1408

M40-44

1408

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1324

Males

1262

M40-44

1262

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1560

Males

1491

M40-44

1491

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1202

Males

1151

M40-44

1151

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1275

Males

1218

M40-44

1218

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1792

Males

1715

M40-44

1715

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1621

Males

1545

M40-44

1545

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1801

Males

1713

M40-44

1713

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1426

Males

1352

M40-44

1352

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1236

Males

1167

M40-44

1167

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1299

Males

1229

M40-44

1229

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1004

Males

951

M40-44

951

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1447

Males

1364

M40-44

1364

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1853

Males

1731

M40-44

1731

Passing Analysis

Category:
Athletes Passed
503
Passed By
355
Net Change
+148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1466
5K → 10K7365+8#1466#1458
10K → 15K7922+57#1458#1401
15K → 20K4050-10#1401#1411
20K → Half241+23#1411#1388
Half → 25K4716+31#1388#1357
25K → 30K3091-61#1357#1418
30K → 20M2124-3#1418#1421
20M → 21M2128-7#1421#1428
21M → 35K189+9#1428#1419
35K → 23M399+30#1419#1389
23M → 24M378+29#1389#1360
24M → 40K376+31#1360#1329
40K → 25.2M145+9#1329#1320
25.2M → Finish2321+2#1320#1318
TOTALS503355+148
📊

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