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BOSTON MARATHON 2023

James Aldridge

Bib: 4429•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M40-44)
#0 / 2241
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #4393
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
41:42
Rank: #4077 (+316)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:26
Rank: #3991 (+86)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:23:02
Rank: #3695 (+296)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:27:31
Rank: #3668 (+27)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:34
Rank: #3488 (+180)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:04:31
Rank: #3277 (+211)
25K → 30K
20:57 | 6:45/mi
20M
2:13:42
Rank: #3184 (+93)
30K → 20M
9:11 | 6:45/mi
21M
2:20:35
Rank: #3048 (+136)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:25:27
Rank: #3004 (+44)
21M → 35K
4:52 | 6:30/mi
23M
2:33:43
Rank: #2866 (+138)
35K → 23M
8:16 | 6:36/mi
24M
2:39:57
Rank: #2727 (+139)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:45:24
Rank: #2626 (+101)
24M → 40K
5:27 | 6:22/mi
25.2M
2:47:36
Rank: #2546 (+80)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:53:37
Rank: #2393 (+153)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:27:31
Pace6:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:06
Pace6:34 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5621:036:4721:03
6:47
-
10K
6.21 mi10:43:3541:426:4320:39
6:39
-0:08
15K
9.32 mi11:04:191:02:266:4220:44
6:40
+0:01
20K
12.43 mi11:24:551:23:026:4120:36
6:38
-0:02
Half
13.11 mi11:29:241:27:316:414:29
6:34
-0:04
25K
15.53 mi11:45:271:43:346:4016:03
6:37
+0:03
30K
18.64 mi12:06:242:04:316:4120:57
6:45
+0:08
20M
20.00 mi12:15:352:13:426:419:11
6:45
0:00
21M
21.00 mi12:22:282:20:356:426:53
6:53
+0:08
35K
21.75 mi12:27:202:25:276:414:52
6:30
-0:23
23M
23.00 mi12:35:362:33:436:418:16
6:36
+0:06
24M
24.00 mi12:41:502:39:576:406:14
6:14
-0:22
40K
24.85 mi12:47:172:45:246:395:27
6:22
+0:08
25.2M
25.20 mi12:49:292:47:366:392:12
6:23
+0:01
Finish
26.22 mi12:55:302:53:376:386:01
5:54
-0:29

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

5:54 /mi

Average Pace

6:38 /mi

Slowest Pace

6:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:54

11% of race

Time at Steady Pace

2:33:43

89% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:22:5621:036:4721:03
6:47
#4393
10K
6.21 mi10:43:3541:426:4320:39
6:39
#4077
15K
9.32 mi11:04:191:02:266:4220:44
6:40
#3991
20K
12.43 mi11:24:551:23:026:4120:36
6:38
#3695
Half
13.11 mi11:29:241:27:316:414:29
6:34
#3668
25K
15.53 mi11:45:271:43:346:4016:03
6:37
#3488
30K
18.64 mi12:06:242:04:316:4120:57
6:45
#3277
20M
20.00 mi12:15:352:13:426:419:11
6:45
#3184
21M
21.00 mi12:22:282:20:356:426:53
6:53
#3048
35K
21.75 mi12:27:202:25:276:414:52
6:30
#3004
23M
23.00 mi12:35:362:33:436:418:16
6:36
#2866
24M
24.00 mi12:41:502:39:576:406:14
6:14
#2727
40K
24.85 mi12:47:172:45:246:395:27
6:22
#2626
25.2M
25.20 mi12:49:292:47:366:392:12
6:23
#2546
Finish
26.22 mi12:55:302:53:376:386:01
5:54
#2393
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4393410141013852(Top 14%)3620(Top 24%)3620(Top 162%)
10K6.21 mi3.10 mi4077+3163832+2693832+2693842(Top 14%)3619(Top 24%)3619(Top 161%)
15K9.32 mi3.11 mi3991+863757+753757+753852(Top 14%)3620(Top 24%)3620(Top 162%)
20K12.43 mi3.11 mi3695+2963494+2633494+2633030(Top 11%)2885(Top 19%)2885(Top 129%)
Half13.11 mi0.68 mi3668+273470+243470+243176(Top 12%)3026(Top 20%)3026(Top 135%)
25K15.53 mi2.42 mi3488+1803308+1623308+1622805(Top 11%)2681(Top 18%)2681(Top 120%)
30K18.64 mi3.11 mi3277+2113114+1943114+1942636(Top 10%)2504(Top 16%)2504(Top 112%)
20M20.00 mi1.36 mi3184+933025+893025+892550(Top 10%)2417(Top 16%)2417(Top 108%)
21M21.00 mi1.00 mi3048+1362896+1292896+1291720(Top 6%)1636(Top 11%)1636(Top 73%)
35K21.75 mi0.75 mi3004+442856+402856+402426(Top 9%)2298(Top 15%)2298(Top 103%)
23M23.00 mi1.25 mi2866+1382728+1282728+1281785(Top 7%)1694(Top 11%)1694(Top 76%)
24M24.00 mi1.00 mi2727+1392600+1282600+1281148(Top 4%)1089(Top 7%)1089(Top 49%)
40K24.85 mi0.85 mi2626+1012507+932507+931148(Top 4%)1087(Top 7%)1087(Top 49%)
25.2M25.20 mi0.35 mi2546+802430+772430+77360(Top 1%)339(Top 2%)339(Top 15%)
Finish26.22 mi1.02 mi2393+1532285+1452285+145549(Top 2%)523(Top 3%)523(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3852

Males

3620

M40-44

3620

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3842

Males

3619

M40-44

3619

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3852

Males

3620

M40-44

3620

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3030

Males

2885

M40-44

2885

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3176

Males

3026

M40-44

3026

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2805

Males

2681

M40-44

2681

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2636

Males

2504

M40-44

2504

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2550

Males

2417

M40-44

2417

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1720

Males

1636

M40-44

1636

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2426

Males

2298

M40-44

2298

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1785

Males

1694

M40-44

1694

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1148

Males

1089

M40-44

1089

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1148

Males

1087

M40-44

1087

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

360

Males

339

M40-44

339

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

549

Males

523

M40-44

523

Passing Analysis

Category:
Athletes Passed
2260
Passed By
260
Net Change
+2000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4393
5K → 10K41195+316#4393#4077
10K → 15K16781+86#4077#3991
15K → 20K30711+296#3991#3695
20K → Half303+27#3695#3668
Half → 25K19010+180#3668#3488
25K → 30K22413+211#3488#3277
30K → 20M11421+93#3277#3184
20M → 21M1393+136#3184#3048
21M → 35K539+44#3048#3004
35K → 23M1446+138#3004#2866
23M → 24M1412+139#2866#2727
24M → 40K1054+101#2727#2626
40K → 25.2M800+80#2626#2546
25.2M → Finish1552+153#2546#2393
TOTALS2260260+2000
📊

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