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BOSTON MARATHON 2023

Alex Siegal

Bib: 4922•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M40-44)
#0 / 2241
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4242
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:48
Rank: #4254 (-12)
5K → 10K
20:48 | 6:42/mi
15K· 9.32 mi
1:02:34
Rank: #4137 (+117)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:23:30
Rank: #4042 (+95)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:28:00
Rank: #4010 (+32)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:34
Rank: #4064 (-54)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:06:35
Rank: #4229 (-165)
25K → 30K
22:01 | 7:05/mi
20M
2:16:13
Rank: #4251 (-22)
30K → 20M
9:38 | 7:05/mi
21M
2:23:44
Rank: #4257 (-6)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:28:56
Rank: #4295 (-38)
21M → 35K
5:12 | 6:57/mi
23M
2:37:54
Rank: #4312 (-17)
35K → 23M
8:58 | 7:10/mi
24M
2:44:50
Rank: #4327 (-15)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:51:04
Rank: #4374 (-47)
24M → 40K
6:14 | 7:17/mi
25.2M
2:53:38
Rank: #4343 (+31)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:00:30
Rank: #4305 (+38)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:32:30
Pace7:03 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1521:006:4621:00
6:46
-
10K
6.21 mi10:44:0341:486:4420:48
6:42
-0:04
15K
9.32 mi11:04:491:02:346:4320:46
6:41
-0:01
20K
12.43 mi11:25:451:23:306:4320:56
6:44
+0:03
Half
13.11 mi11:30:151:28:006:434:30
6:36
-0:08
25K
15.53 mi11:46:491:44:346:4416:34
6:50
+0:14
30K
18.64 mi12:08:502:06:356:4722:01
7:05
+0:15
20M
20.00 mi12:18:282:16:136:499:38
7:05
0:00
21M
21.00 mi12:25:592:23:446:517:31
7:31
+0:26
35K
21.75 mi12:31:112:28:566:515:12
6:57
-0:34
23M
23.00 mi12:40:092:37:546:528:58
7:10
+0:13
24M
24.00 mi12:47:052:44:506:526:56
6:56
-0:14
40K
24.85 mi12:53:192:51:046:536:14
7:17
+0:21
25.2M
25.20 mi12:55:532:53:386:532:34
7:27
+0:10
Finish
26.22 mi13:02:453:00:306:536:52
6:44
-0:43

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

6:36 /mi

Average Pace

6:53 /mi

Slowest Pace

7:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:11

91% of race

Time at Steady Pace

16:19

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:23:1521:006:4621:00
6:46
#4242
10K
6.21 mi10:44:0341:486:4420:48
6:42
#4254
15K
9.32 mi11:04:491:02:346:4320:46
6:41
#4137
20K
12.43 mi11:25:451:23:306:4320:56
6:44
#4042
Half
13.11 mi11:30:151:28:006:434:30
6:36
#4010
25K
15.53 mi11:46:491:44:346:4416:34
6:50
#4064
30K
18.64 mi12:08:502:06:356:4722:01
7:05
#4229
20M
20.00 mi12:18:282:16:136:499:38
7:05
#4251
21M
21.00 mi12:25:592:23:446:517:31
7:31
#4257
35K
21.75 mi12:31:112:28:566:515:12
6:57
#4295
23M
23.00 mi12:40:092:37:546:528:58
7:10
#4312
24M
24.00 mi12:47:052:44:506:526:56
6:56
#4327
40K
24.85 mi12:53:192:51:046:536:14
7:17
#4374
25.2M
25.20 mi12:55:532:53:386:532:34
7:27
#4343
Finish
26.22 mi13:02:453:00:306:536:52
6:44
#4305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4242397139713985(Top 15%)3746(Top 25%)3746(Top 167%)
10K6.21 mi3.10 mi4254-123987-163987-164282(Top 16%)4010(Top 26%)4010(Top 179%)
15K9.32 mi3.11 mi4137+1173884+1033884+1033985(Top 15%)3746(Top 25%)3746(Top 167%)
20K12.43 mi3.11 mi4042+953798+863798+863882(Top 15%)3662(Top 24%)3662(Top 163%)
Half13.11 mi0.68 mi4010+323768+303768+303431(Top 13%)3262(Top 21%)3262(Top 146%)
25K15.53 mi2.42 mi4064-543818-503818-504438(Top 17%)4136(Top 27%)4136(Top 185%)
30K18.64 mi3.11 mi4229-1653970-1523970-1524847(Top 18%)4462(Top 29%)4462(Top 199%)
20M20.00 mi1.36 mi4251-223987-173987-174537(Top 17%)4162(Top 27%)4162(Top 186%)
21M21.00 mi1.00 mi4257-63982+53982+54643(Top 17%)4209(Top 28%)4209(Top 188%)
35K21.75 mi0.75 mi4295-384016-344016-345032(Top 19%)4507(Top 30%)4507(Top 201%)
23M23.00 mi1.25 mi4312-174033-174033-174596(Top 17%)4155(Top 27%)4155(Top 185%)
24M24.00 mi1.00 mi4327-154047-144047-144328(Top 16%)3920(Top 26%)3920(Top 175%)
40K24.85 mi0.85 mi4374-474084-374084-375343(Top 20%)4573(Top 30%)4573(Top 204%)
25.2M25.20 mi0.35 mi4343+314052+324052+323640(Top 14%)3268(Top 22%)3268(Top 146%)
Finish26.22 mi1.02 mi4305+384016+364016+363722(Top 14%)3314(Top 22%)3314(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3985

Males

3746

M40-44

3746

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4282

Males

4010

M40-44

4010

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3985

Males

3746

M40-44

3746

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3882

Males

3662

M40-44

3662

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3431

Males

3262

M40-44

3262

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4438

Males

4136

M40-44

4136

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4847

Males

4462

M40-44

4462

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4537

Males

4162

M40-44

4162

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4643

Males

4209

M40-44

4209

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5032

Males

4507

M40-44

4507

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4596

Males

4155

M40-44

4155

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4328

Males

3920

M40-44

3920

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5343

Males

4573

M40-44

4573

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3640

Males

3268

M40-44

3268

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3722

Males

3314

M40-44

3314

Passing Analysis

Category:
Athletes Passed
1109
Passed By
1172
Net Change
-63
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4242
5K → 10K207219-12#4242#4254
10K → 15K19174+117#4254#4137
15K → 20K15358+95#4137#4042
20K → Half375+32#4042#4010
Half → 25K59113-54#4010#4064
25K → 30K73238-165#4064#4229
30K → 20M5779-22#4229#4251
20M → 21M6167-6#4251#4257
21M → 35K2765-38#4257#4295
35K → 23M6582-17#4295#4312
23M → 24M4661-15#4312#4327
24M → 40K2774-47#4327#4374
40K → 25.2M398+31#4374#4343
25.2M → Finish6729+38#4343#4305
TOTALS11091172-63
📊

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