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BOSTON MARATHON 2023

James Allen

Bib: 4642•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M40-44)
#0 / 2241
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #4421
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
41:20
Rank: #3557 (+864)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:01:33
Rank: #3228 (+329)
10K → 15K
20:13 | 6:30/mi
20K· 12.43 mi
1:22:11
Rank: #3165 (+63)
15K → 20K
20:38 | 6:38/mi
Half· 13.11 mi
1:26:40
Rank: #3162 (+3)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:53
Rank: #3160 (+2)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:04:12
Rank: #3143 (+17)
25K → 30K
21:19 | 6:52/mi
20M
2:13:50
Rank: #3221 (-78)
30K → 20M
9:38 | 7:05/mi
21M
2:21:42
Rank: #3437 (-216)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:26:55
Rank: #3506 (-69)
21M → 35K
5:13 | 6:58/mi
23M
2:36:41
Rank: #3858 (-352)
35K → 23M
9:46 | 7:48/mi
24M
2:44:03
Rank: #4049 (-191)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:50:41
Rank: #4251 (-202)
24M → 40K
6:38 | 7:45/mi
25.2M
2:53:56
Rank: #4424 (-173)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:02:11
Rank: #4656 (-232)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:40
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:35:31
Pace7:17 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0221:036:4721:03
6:47
-
10K
6.21 mi10:43:1941:206:3920:17
6:32
-0:15
15K
9.32 mi11:03:321:01:336:3620:13
6:30
-0:02
20K
12.43 mi11:24:101:22:116:3720:38
6:38
+0:08
Half
13.11 mi11:28:391:26:406:374:29
6:34
-0:04
25K
15.53 mi11:44:521:42:536:3716:13
6:41
+0:07
30K
18.64 mi12:06:112:04:126:4021:19
6:52
+0:11
20M
20.00 mi12:15:492:13:506:419:38
7:05
+0:13
21M
21.00 mi12:23:412:21:426:457:52
7:52
+0:47
35K
21.75 mi12:28:542:26:556:455:13
6:58
-0:54
23M
23.00 mi12:38:402:36:416:499:46
7:48
+0:50
24M
24.00 mi12:46:022:44:036:507:22
7:22
-0:26
40K
24.85 mi12:52:402:50:416:526:38
7:45
+0:23
25.2M
25.20 mi12:55:552:53:566:543:15
9:25
+1:40
Finish
26.22 mi13:04:103:02:116:578:15
8:06
-1:19

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

6:30 /mi

Average Pace

6:57 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:59

25% of race

Time at Steady Pace

1:34:04

52% of race

Time at Slower Pace

43:08

24% of race

Average Pace: 6:57 /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 mi10:23:0221:036:4721:03
6:47
#4421
10K
6.21 mi10:43:1941:206:3920:17
6:32
#3557
15K
9.32 mi11:03:321:01:336:3620:13
6:30
#3228
20K
12.43 mi11:24:101:22:116:3720:38
6:38
#3165
Half
13.11 mi11:28:391:26:406:374:29
6:34
#3162
25K
15.53 mi11:44:521:42:536:3716:13
6:41
#3160
30K
18.64 mi12:06:112:04:126:4021:19
6:52
#3143
20M
20.00 mi12:15:492:13:506:419:38
7:05
#3221
21M
21.00 mi12:23:412:21:426:457:52
7:52
#3437
35K
21.75 mi12:28:542:26:556:455:13
6:58
#3506
23M
23.00 mi12:38:402:36:416:499:46
7:48
#3858
24M
24.00 mi12:46:022:44:036:507:22
7:22
#4049
40K
24.85 mi12:52:402:50:416:526:38
7:45
#4251
25.2M
25.20 mi12:55:552:53:566:543:15
9:25
#4424
Finish
26.22 mi13:04:103:02:116:578:15
8:06
#4656
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4421412941292685(Top 10%)2566(Top 17%)2566(Top 115%)
10K6.21 mi3.10 mi3557+8643358+7713358+7712965(Top 11%)2833(Top 19%)2833(Top 126%)
15K9.32 mi3.11 mi3228+3293072+2863072+2862685(Top 10%)2566(Top 17%)2566(Top 115%)
20K12.43 mi3.11 mi3165+633013+593013+593120(Top 12%)2967(Top 20%)2967(Top 132%)
Half13.11 mi0.68 mi3162+33012+13012+13277(Top 12%)3127(Top 21%)3127(Top 140%)
25K15.53 mi2.42 mi3160+23009+33009+33291(Top 12%)3131(Top 21%)3131(Top 140%)
30K18.64 mi3.11 mi3143+172994+152994+153401(Top 13%)3201(Top 21%)3201(Top 143%)
20M20.00 mi1.36 mi3221-783060-663060-664550(Top 17%)4175(Top 28%)4175(Top 186%)
21M21.00 mi1.00 mi3437-2163255-1953255-1956501(Top 24%)5539(Top 36%)5539(Top 247%)
35K21.75 mi0.75 mi3506-693321-663321-665155(Top 19%)4606(Top 30%)4606(Top 206%)
23M23.00 mi1.25 mi3858-3523630-3093630-3098372(Top 31%)6614(Top 44%)6614(Top 295%)
24M24.00 mi1.00 mi4049-1913792-1623792-1626798(Top 26%)5587(Top 37%)5587(Top 249%)
40K24.85 mi0.85 mi4251-2023976-1843976-1848321(Top 31%)6427(Top 42%)6427(Top 287%)
25.2M25.20 mi0.35 mi4424-1734126-1504126-15014718(Top 55%)9522(Top 63%)9522(Top 425%)
Finish26.22 mi1.02 mi4656-2324309-1834309-18312695(Top 48%)8610(Top 57%)8610(Top 384%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2685

Males

2566

M40-44

2566

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2965

Males

2833

M40-44

2833

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2685

Males

2566

M40-44

2566

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3120

Males

2967

M40-44

2967

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3277

Males

3127

M40-44

3127

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3291

Males

3131

M40-44

3131

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3401

Males

3201

M40-44

3201

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4550

Males

4175

M40-44

4175

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6501

Males

5539

M40-44

5539

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5155

Males

4606

M40-44

4606

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8372

Males

6614

M40-44

6614

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6798

Males

5587

M40-44

5587

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8321

Males

6427

M40-44

6427

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14718

Males

9522

M40-44

9522

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12695

Males

8610

M40-44

8610

Passing Analysis

Category:
Athletes Passed
1644
Passed By
1879
Net Change
-235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4421
5K → 10K88521+864#4421#3557
10K → 15K34112+329#3557#3228
15K → 20K11754+63#3228#3165
20K → Half2118+3#3165#3162
Half → 25K6058+2#3162#3160
25K → 30K10588+17#3160#3143
30K → 20M34112-78#3143#3221
20M → 21M11227-216#3221#3437
21M → 35K1685-69#3437#3506
35K → 23M12364-352#3506#3858
23M → 24M17208-191#3858#4049
24M → 40K15217-202#4049#4251
40K → 25.2M3176-173#4251#4424
25.2M → Finish7239-232#4424#4656
TOTALS16441879-235
📊

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