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BOSTON MARATHON 2023

Alexandre Belaid

Bib: 9409•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 34%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:48
Rank: #3638
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:47
Rank: #4232 (-594)
5K → 10K
20:59 | 6:45/mi
15K· 9.32 mi
1:02:52
Rank: #4466 (-234)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:24:29
Rank: #4831 (-365)
15K → 20K
21:37 | 6:57/mi
Half· 13.11 mi
1:29:10
Rank: #4884 (-53)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:46:55
Rank: #5461 (-577)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:11:57
Rank: #6284 (-823)
25K → 30K
25:02 | 8:03/mi
20M
2:24:10
Rank: #6892 (-608)
30K → 20M
12:13 | 8:59/mi
21M
2:32:51
Rank: #7034 (-142)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:38:44
Rank: #7162 (-128)
21M → 35K
5:53 | 7:52/mi
23M
2:49:47
Rank: #7548 (-386)
35K → 23M
11:03 | 8:50/mi
24M
2:58:22
Rank: #7884 (-336)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:05:35
Rank: #8048 (-164)
24M → 40K
7:13 | 8:26/mi
25.2M
3:08:43
Rank: #8138 (-90)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:17:14
Rank: #8368 (-230)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:48:04
Pace8:15 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1720:486:4220:48
6:42
-
10K
6.21 mi11:07:1641:476:4320:59
6:45
+0:03
15K
9.32 mi11:28:211:02:526:4521:05
6:47
+0:02
20K
12.43 mi11:49:581:24:296:4821:37
6:57
+0:10
Half
13.11 mi11:54:391:29:106:484:41
6:52
-0:05
25K
15.53 mi12:12:241:46:556:5317:45
7:19
+0:27
30K
18.64 mi12:37:262:11:577:0525:02
8:03
+0:44
20M
20.00 mi12:49:392:24:107:1212:13
8:59
+0:56
21M
21.00 mi12:58:202:32:517:178:41
8:41
-0:18
35K
21.75 mi13:04:132:38:447:185:53
7:52
-0:49
23M
23.00 mi13:15:162:49:477:2311:03
8:50
+0:58
24M
24.00 mi13:23:512:58:227:268:35
8:35
-0:15
40K
24.85 mi13:31:043:05:357:287:13
8:26
-0:09
25.2M
25.20 mi13:34:123:08:437:293:08
9:05
+0:39
Finish
26.22 mi13:42:433:17:147:328:31
8:21
-0:44

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

6:42 /mi

Average Pace

7:32 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:55

54% of race

Time at Steady Pace

46:39

24% of race

Time at Slower Pace

43:40

22% of race

Average Pace: 7:31 /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 mi10:46:1720:486:4220:48
6:42
#3638
10K
6.21 mi11:07:1641:476:4320:59
6:45
#4232
15K
9.32 mi11:28:211:02:526:4521:05
6:47
#4466
20K
12.43 mi11:49:581:24:296:4821:37
6:57
#4831
Half
13.11 mi11:54:391:29:106:484:41
6:52
#4884
25K
15.53 mi12:12:241:46:556:5317:45
7:19
#5461
30K
18.64 mi12:37:262:11:577:0525:02
8:03
#6284
20M
20.00 mi12:49:392:24:107:1212:13
8:59
#6892
21M
21.00 mi12:58:202:32:517:178:41
8:41
#7034
35K
21.75 mi13:04:132:38:447:185:53
7:52
#7162
23M
23.00 mi13:15:162:49:477:2311:03
8:50
#7548
24M
24.00 mi13:23:512:58:227:268:35
8:35
#7884
40K
24.85 mi13:31:043:05:357:287:13
8:26
#8048
25.2M
25.20 mi13:34:123:08:437:293:08
9:05
#8138
Finish
26.22 mi13:42:433:17:147:328:31
8:21
#8368
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3638342834284992(Top 19%)4636(Top 31%)4636(Top 207%)
10K6.21 mi3.10 mi4232-5943967-5393967-5394868(Top 18%)4520(Top 30%)4520(Top 202%)
15K9.32 mi3.11 mi4466-2344176-2094176-2094992(Top 19%)4636(Top 31%)4636(Top 207%)
20K12.43 mi3.11 mi4831-3654500-3244500-3245716(Top 21%)5243(Top 35%)5243(Top 234%)
Half13.11 mi0.68 mi4884-534546-464546-465814(Top 22%)5346(Top 35%)5346(Top 239%)
25K15.53 mi2.42 mi5461-5775042-4965042-4967422(Top 28%)6434(Top 42%)6434(Top 287%)
30K18.64 mi3.11 mi6284-8235673-6315673-63111340(Top 43%)8511(Top 56%)8511(Top 380%)
20M20.00 mi1.36 mi6892-6086123-4506123-45016457(Top 62%)10591(Top 70%)10591(Top 473%)
21M21.00 mi1.00 mi7034-1426217-946217-9411524(Top 43%)8343(Top 55%)8343(Top 372%)
35K21.75 mi0.75 mi7162-1286293-766293-7611056(Top 42%)8125(Top 54%)8125(Top 363%)
23M23.00 mi1.25 mi7548-3866520-2276520-22715102(Top 57%)9839(Top 65%)9839(Top 439%)
24M24.00 mi1.00 mi7884-3366714-1946714-19414930(Top 56%)9708(Top 64%)9708(Top 433%)
40K24.85 mi0.85 mi8048-1646798-846798-8412929(Top 49%)8735(Top 58%)8735(Top 390%)
25.2M25.20 mi0.35 mi8138-906843-456843-4512915(Top 49%)8695(Top 57%)8695(Top 388%)
Finish26.22 mi1.02 mi8368-2306964-1216964-12114407(Top 54%)9427(Top 62%)9427(Top 421%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4992

Males

4636

M40-44

4636

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4868

Males

4520

M40-44

4520

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4992

Males

4636

M40-44

4636

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5716

Males

5243

M40-44

5243

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5814

Males

5346

M40-44

5346

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7422

Males

6434

M40-44

6434

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11340

Males

8511

M40-44

8511

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16457

Males

10591

M40-44

10591

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11524

Males

8343

M40-44

8343

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11056

Males

8125

M40-44

8125

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15102

Males

9839

M40-44

9839

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14930

Males

9708

M40-44

9708

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12929

Males

8735

M40-44

8735

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12915

Males

8695

M40-44

8695

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14407

Males

9427

M40-44

9427

Passing Analysis

Category:
Athletes Passed
307
Passed By
5037
Net Change
-4730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3638
5K → 10K40634-594#3638#4232
10K → 15K67301-234#4232#4466
15K → 20K24389-365#4466#4831
20K → Half1063-53#4831#4884
Half → 25K23600-577#4884#5461
25K → 30K15838-823#5461#6284
30K → 20M4612-608#6284#6892
20M → 21M30172-142#6892#7034
21M → 35K9137-128#7034#7162
35K → 23M23409-386#7162#7548
23M → 24M14350-336#7548#7884
24M → 40K21185-164#7884#8048
40K → 25.2M13103-90#8048#8138
25.2M → Finish14244-230#8138#8368
TOTALS3075037-4730
📊

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