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BOSTON MARATHON 2023

Eric Blackwell

Bib: 7038•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M50-54)
#0 / 2052
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #4743
Start → 5K
6:48/mi
21:09 split
10K· 6.21 mi
42:04
Rank: #4690 (+53)
5K → 10K
6:44/mi
20:55 split
15K· 9.32 mi
1:03:05
Rank: #4682 (+8)
10K → 15K
6:46/mi
21:01 split
20K· 12.43 mi
1:24:18
Rank: #4669 (+13)
15K → 20K
6:50/mi
21:13 split
Half· 13.11 mi
1:28:54
Rank: #4661 (+8)
20K → Half
6:45/mi
4:36 split
25K· 15.53 mi
1:45:19
Rank: #4502 (+159)
Half → 25K
6:46/mi
16:25 split
30K· 18.64 mi
2:06:52
Rank: #4354 (+148)
25K → 30K
6:56/mi
21:33 split
20M
2:16:09
Rank: #4224 (+130)
30K → 20M
6:50/mi
9:17 split
21M
2:23:30
Rank: #4164 (+60)
20M → 21M
7:21/mi
7:21 split
35K· 21.75 mi
2:28:34
Rank: #4159 (+5)
21M → 35K
6:46/mi
5:04 split
23M
2:37:15
Rank: #4084 (+75)
35K → 23M
6:56/mi
8:41 split
24M
2:44:04
Rank: #4053 (+31)
23M → 24M
6:49/mi
6:49 split
40K· 24.85 mi
2:49:54
Rank: #3992 (+61)
24M → 40K
6:49/mi
5:50 split
25.2M
2:52:29
Rank: #3982 (+10)
40K → 25.2M
7:29/mi
2:35 split
Finish· 26.22 mi
2:59:19
Rank: #3968 (+14)
25.2M → Finish
6:42/mi
6:50 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:54
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:25
Pace6:54 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0821:096:4821:09
6:48
-
10K
6.21 mi10:46:0342:046:4620:55
6:44
-0:04
15K
9.32 mi11:07:041:03:056:4621:01
6:46
+0:02
20K
12.43 mi11:28:171:24:186:4721:13
6:50
+0:04
Half
13.11 mi11:32:531:28:546:474:36
6:45
-0:05
25K
15.53 mi11:49:181:45:196:4716:25
6:46
+0:01
30K
18.64 mi12:10:512:06:526:4821:33
6:56
+0:10
20M
20.00 mi12:20:082:16:096:489:17
6:50
-0:06
21M
21.00 mi12:27:292:23:306:507:21
7:21
+0:31
35K
21.75 mi12:32:332:28:346:505:04
6:46
-0:35
23M
23.00 mi12:41:142:37:156:508:41
6:56
+0:10
24M
24.00 mi12:48:032:44:046:506:49
6:49
-0:07
40K
24.85 mi12:53:532:49:546:505:50
6:49
0:00
25.2M
25.20 mi12:56:282:52:296:512:35
7:29
+0:40
Finish
26.22 mi13:03:182:59:196:516:50
6:42
-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

6:42 /mi

Average Pace

6:51 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:44

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:25:0821:096:4821:09
6:48
#4743
10K
6.21 mi10:46:0342:046:4620:55
6:44
#4690
15K
9.32 mi11:07:041:03:056:4621:01
6:46
#4682
20K
12.43 mi11:28:171:24:186:4721:13
6:50
#4669
Half
13.11 mi11:32:531:28:546:474:36
6:45
#4661
25K
15.53 mi11:49:181:45:196:4716:25
6:46
#4502
30K
18.64 mi12:10:512:06:526:4821:33
6:56
#4354
20M
20.00 mi12:20:082:16:096:489:17
6:50
#4224
21M
21.00 mi12:27:292:23:306:507:21
7:21
#4164
35K
21.75 mi12:32:332:28:346:505:04
6:46
#4159
23M
23.00 mi12:41:142:37:156:508:41
6:56
#4084
24M
24.00 mi12:48:032:44:046:506:49
6:49
#4053
40K
24.85 mi12:53:532:49:546:505:50
6:49
#3992
25.2M
25.20 mi12:56:282:52:296:512:35
7:29
#3982
Finish
26.22 mi13:03:182:59:196:516:50
6:42
#3968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4743441344134749(Top 18%)4425(Top 29%)4425(Top 216%)
10K6.21 mi3.10 mi4690+534372+414372+414647(Top 17%)4331(Top 29%)4331(Top 211%)
15K9.32 mi3.11 mi4682+84363+94363+94749(Top 18%)4425(Top 29%)4425(Top 216%)
20K12.43 mi3.11 mi4669+134356+74356+74697(Top 18%)4369(Top 29%)4369(Top 213%)
Half13.11 mi0.68 mi4661+84349+74349+74693(Top 18%)4355(Top 29%)4355(Top 212%)
25K15.53 mi2.42 mi4502+1594208+1414208+1413898(Top 15%)3666(Top 24%)3666(Top 179%)
30K18.64 mi3.11 mi4354+1484072+1364072+1363907(Top 15%)3656(Top 24%)3656(Top 178%)
20M20.00 mi1.36 mi4224+1303963+1093963+1093041(Top 11%)2861(Top 19%)2861(Top 139%)
21M21.00 mi1.00 mi4164+603901+623901+623872(Top 15%)3580(Top 24%)3580(Top 174%)
35K21.75 mi0.75 mi4159+53893+83893+84002(Top 15%)3677(Top 24%)3677(Top 179%)
23M23.00 mi1.25 mi4084+753825+683825+683442(Top 13%)3190(Top 21%)3190(Top 155%)
24M24.00 mi1.00 mi4053+313796+293796+293743(Top 14%)3429(Top 23%)3429(Top 167%)
40K24.85 mi0.85 mi3992+613738+583738+582956(Top 11%)2723(Top 18%)2723(Top 133%)
25.2M25.20 mi0.35 mi3982+103728+103728+103832(Top 14%)3422(Top 23%)3422(Top 167%)
Finish26.22 mi1.02 mi3968+143713+153713+153546(Top 13%)3171(Top 21%)3171(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4749

Males

4425

M50-54

4425

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4647

Males

4331

M50-54

4331

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4749

Males

4425

M50-54

4425

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4697

Males

4369

M50-54

4369

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4693

Males

4355

M50-54

4355

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3898

Males

3666

M50-54

3666

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3907

Males

3656

M50-54

3656

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3041

Males

2861

M50-54

2861

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3872

Males

3580

M50-54

3580

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4002

Males

3677

M50-54

3677

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3442

Males

3190

M50-54

3190

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3743

Males

3429

M50-54

3429

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2956

Males

2723

M50-54

2723

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3832

Males

3422

M50-54

3422

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3546

Males

3171

M50-54

3171

Passing Analysis

Category:
Athletes Passed
1458
Passed By
683
Net Change
+775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4743
5K → 10K233180+53#4743#4690
10K → 15K118110+8#4690#4682
15K → 20K10693+13#4682#4669
20K → Half2517+8#4669#4661
Half → 25K17920+159#4661#4502
25K → 30K19244+148#4502#4354
30K → 20M1399+130#4354#4224
20M → 21M9838+60#4224#4164
21M → 35K3429+5#4164#4159
35K → 23M10025+75#4159#4084
23M → 24M6837+31#4084#4053
24M → 40K8019+61#4053#3992
40K → 25.2M2717+10#3992#3982
25.2M → Finish5945+14#3982#3968
TOTALS1458683+775
📊

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