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BOSTON MARATHON 2023

Sam Allen

Bib: 4076•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M45-49)
#0 / 2252
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:40
Rank: #3236
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
41:12
Rank: #3383 (-147)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:47
Rank: #3408 (-25)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:31
Rank: #3373 (+35)
15K → 20K
20:44 | 6:40/mi
Half· 13.11 mi
1:27:03
Rank: #3391 (-18)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:16
Rank: #3336 (+55)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:04:20
Rank: #3194 (+142)
25K → 30K
21:04 | 6:47/mi
20M
2:13:28
Rank: #3092 (+102)
30K → 20M
9:08 | 6:43/mi
21M
2:20:30
Rank: #3015 (+77)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:25:19
Rank: #2964 (+51)
21M → 35K
4:49 | 6:26/mi
23M
2:33:41
Rank: #2861 (+103)
35K → 23M
8:22 | 6:41/mi
24M
2:40:07
Rank: #2779 (+82)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:45:44
Rank: #2696 (+83)
24M → 40K
5:37 | 6:34/mi
25.2M
2:48:09
Rank: #2674 (+22)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:54:29
Rank: #2579 (+95)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:03
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:26
Pace6:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4320:406:3920:40
6:39
-
10K
6.21 mi10:43:1541:126:3820:32
6:37
-0:02
15K
9.32 mi11:03:501:01:476:3820:35
6:38
+0:01
20K
12.43 mi11:24:341:22:316:3820:44
6:40
+0:02
Half
13.11 mi11:29:061:27:036:384:32
6:39
-0:01
25K
15.53 mi11:45:191:43:166:3916:13
6:41
+0:02
30K
18.64 mi12:06:232:04:206:4021:04
6:47
+0:06
20M
20.00 mi12:15:312:13:286:409:08
6:43
-0:04
21M
21.00 mi12:22:332:20:306:417:02
7:02
+0:19
35K
21.75 mi12:27:222:25:196:414:49
6:26
-0:36
23M
23.00 mi12:35:442:33:416:418:22
6:41
+0:15
24M
24.00 mi12:42:102:40:076:406:26
6:26
-0:15
40K
24.85 mi12:47:472:45:446:405:37
6:34
+0:08
25.2M
25.20 mi12:50:122:48:096:402:25
7:00
+0:26
Finish
26.22 mi12:56:322:54:296:406:20
6:13
-0:47

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

6:13 /mi

Average Pace

6:40 /mi

Slowest Pace

7:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:02

95% of race

Time at Steady Pace

9:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:22:4320:406:3920:40
6:39
#3236
10K
6.21 mi10:43:1541:126:3820:32
6:37
#3383
15K
9.32 mi11:03:501:01:476:3820:35
6:38
#3408
20K
12.43 mi11:24:341:22:316:3820:44
6:40
#3373
Half
13.11 mi11:29:061:27:036:384:32
6:39
#3391
25K
15.53 mi11:45:191:43:166:3916:13
6:41
#3336
30K
18.64 mi12:06:232:04:206:4021:04
6:47
#3194
20M
20.00 mi12:15:312:13:286:409:08
6:43
#3092
21M
21.00 mi12:22:332:20:306:417:02
7:02
#3015
35K
21.75 mi12:27:222:25:196:414:49
6:26
#2964
23M
23.00 mi12:35:442:33:416:418:22
6:41
#2861
24M
24.00 mi12:42:102:40:076:406:26
6:26
#2779
40K
24.85 mi12:47:472:45:446:405:37
6:34
#2696
25.2M
25.20 mi12:50:122:48:096:402:25
7:00
#2674
Finish
26.22 mi12:56:322:54:296:406:20
6:13
#2579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3236305530553485(Top 13%)3299(Top 22%)3299(Top 146%)
10K6.21 mi3.10 mi3383-1473200-1453200-1453550(Top 13%)3356(Top 22%)3356(Top 149%)
15K9.32 mi3.11 mi3408-253229-293229-293485(Top 13%)3299(Top 22%)3299(Top 146%)
20K12.43 mi3.11 mi3373+353201+283201+283346(Top 13%)3174(Top 21%)3174(Top 141%)
Half13.11 mi0.68 mi3391-183219-183219-183714(Top 14%)3498(Top 23%)3498(Top 155%)
25K15.53 mi2.42 mi3336+553170+493170+493264(Top 12%)3104(Top 20%)3104(Top 138%)
30K18.64 mi3.11 mi3194+1423041+1293041+1292853(Top 11%)2703(Top 18%)2703(Top 120%)
20M20.00 mi1.36 mi3092+1022944+972944+972380(Top 9%)2256(Top 15%)2256(Top 100%)
21M21.00 mi1.00 mi3015+772870+742870+742292(Top 9%)2165(Top 14%)2165(Top 96%)
35K21.75 mi0.75 mi2964+512822+482822+482144(Top 8%)2037(Top 13%)2037(Top 90%)
23M23.00 mi1.25 mi2861+1032724+982724+982104(Top 8%)1993(Top 13%)1993(Top 88%)
24M24.00 mi1.00 mi2779+822645+792645+791826(Top 7%)1722(Top 11%)1722(Top 76%)
40K24.85 mi0.85 mi2696+832572+732572+731803(Top 7%)1698(Top 11%)1698(Top 75%)
25.2M25.20 mi0.35 mi2674+222549+232549+231774(Top 7%)1667(Top 11%)1667(Top 74%)
Finish26.22 mi1.02 mi2579+952458+912458+911335(Top 5%)1265(Top 8%)1265(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3485

Males

3299

M45-49

3299

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3550

Males

3356

M45-49

3356

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3485

Males

3299

M45-49

3299

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3346

Males

3174

M45-49

3174

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3714

Males

3498

M45-49

3498

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3264

Males

3104

M45-49

3104

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2853

Males

2703

M45-49

2703

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2380

Males

2256

M45-49

2256

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2292

Males

2165

M45-49

2165

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2144

Males

2037

M45-49

2037

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2104

Males

1993

M45-49

1993

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1826

Males

1722

M45-49

1722

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1803

Males

1698

M45-49

1698

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1774

Males

1667

M45-49

1667

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1335

Males

1265

M45-49

1265

Passing Analysis

Category:
Athletes Passed
1267
Passed By
610
Net Change
+657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3236
5K → 10K119266-147#3236#3383
10K → 15K85110-25#3383#3408
15K → 20K10065+35#3408#3373
20K → Half826-18#3373#3391
Half → 25K10045+55#3391#3336
25K → 30K17432+142#3336#3194
30K → 20M1086+102#3194#3092
20M → 21M9417+77#3092#3015
21M → 35K609+51#3015#2964
35K → 23M11411+103#2964#2861
23M → 24M908+82#2861#2779
24M → 40K885+83#2779#2696
40K → 25.2M308+22#2696#2674
25.2M → Finish972+95#2674#2579
TOTALS1267610+657
📊

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