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BOSTON MARATHON 2023

Eric Block

Bib: 13815•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M50-54)
#0 / 2052
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:32/mi
23:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
46:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:55
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:32:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:55:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:20:36
↑ 181↓ 1480.2%
20M
7:59/mi
2:31:27
↑ 64↓ 500.2%
21M
8:21/mi
2:39:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:45:33
↑ 17↓ 861.7%
23M
7:40/mi
2:55:09
↑ 23↓ 630.6%
24M
7:39/mi
3:02:48
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:09:31
↓ 200.3%
25.2M
8:45/mi
3:12:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:20:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:15
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:01
Pace7:52 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4023:237:3223:23
7:32
-
10K
6.21 mi11:14:1846:017:2422:38
7:17
-0:15
15K
9.32 mi11:37:121:08:557:2422:54
7:22
+0:05
20K
12.43 mi12:00:281:32:117:2523:16
7:29
+0:07
Half
13.11 mi12:05:321:37:157:255:04
7:26
-0:03
25K
15.53 mi12:23:571:55:407:2718:25
7:36
+0:10
30K
18.64 mi12:48:532:20:367:3324:56
8:02
+0:26
20M
20.00 mi12:59:442:31:277:3410:51
7:59
-0:03
21M
21.00 mi13:08:052:39:487:378:21
8:21
+0:22
35K
21.75 mi13:13:502:45:337:375:45
7:41
-0:40
23M
23.00 mi13:23:262:55:097:379:36
7:40
-0:01
24M
24.00 mi13:31:053:02:487:377:39
7:39
-0:01
40K
24.85 mi13:37:483:09:317:376:43
7:51
+0:12
25.2M
25.20 mi13:40:493:12:327:383:01
8:45
+0:54
Finish
26.22 mi13:48:333:20:167:397:44
7:35
-1:10

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

7:17 /mi

Average Pace

7:39 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:36

25% of race

Time at Steady Pace

1:35:48

48% of race

Time at Slower Pace

53:52

27% of race

Average Pace: 7:38 /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 mi10:51:4023:237:3223:23
7:32
#9843
10K
6.21 mi11:14:1846:017:2422:38
7:17
#9217
15K
9.32 mi11:37:121:08:557:2422:54
7:22
#9136
20K
12.43 mi12:00:281:32:117:2523:16
7:29
#9124
Half
13.11 mi12:05:321:37:157:255:04
7:26
#9155
25K
15.53 mi12:23:571:55:407:2718:25
7:36
#9183
30K
18.64 mi12:48:532:20:367:3324:56
8:02
#9511
20M
20.00 mi12:59:442:31:277:3410:51
7:59
#9539
21M
21.00 mi13:08:052:39:487:378:21
8:21
#9502
35K
21.75 mi13:13:502:45:337:375:45
7:41
#9509
23M
23.00 mi13:23:262:55:097:379:36
7:40
#9320
24M
24.00 mi13:31:053:02:487:377:39
7:39
#9270
40K
24.85 mi13:37:483:09:317:376:43
7:51
#9237
25.2M
25.20 mi13:40:493:12:327:383:01
8:45
#9275
Finish
26.22 mi13:48:333:20:167:397:44
7:35
#9265
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9843804980499093(Top 34%)7596(Top 50%)7596(Top 370%)
10K6.21 mi3.10 mi9217+6267701+3487701+3488755(Top 33%)7421(Top 49%)7421(Top 362%)
15K9.32 mi3.11 mi9136+817648+537648+539093(Top 34%)7596(Top 50%)7596(Top 370%)
20K12.43 mi3.11 mi9124+127626+227626+229220(Top 35%)7640(Top 50%)7640(Top 372%)
Half13.11 mi0.68 mi9155-317647-217647-219568(Top 36%)7849(Top 52%)7849(Top 383%)
25K15.53 mi2.42 mi9183-287655-87655-89497(Top 36%)7708(Top 51%)7708(Top 376%)
30K18.64 mi3.11 mi9511-3287808-1537808-15311092(Top 42%)8385(Top 55%)8385(Top 409%)
20M20.00 mi1.36 mi9539-287803+57803+510128(Top 38%)7816(Top 52%)7816(Top 381%)
21M21.00 mi1.00 mi9502+377758+457758+459507(Top 36%)7345(Top 48%)7345(Top 358%)
35K21.75 mi0.75 mi9509-77747+117747+119804(Top 37%)7517(Top 50%)7517(Top 366%)
23M23.00 mi1.25 mi9320+1897605+1427605+1427545(Top 28%)6154(Top 41%)6154(Top 300%)
24M24.00 mi1.00 mi9270+507552+537552+538731(Top 33%)6749(Top 44%)6749(Top 329%)
40K24.85 mi0.85 mi9237+337510+427510+429010(Top 34%)6820(Top 45%)6820(Top 332%)
25.2M25.20 mi0.35 mi9275-387515-57515-510941(Top 41%)7752(Top 51%)7752(Top 378%)
Finish26.22 mi1.02 mi9265+107491+247491+249179(Top 34%)6849(Top 45%)6849(Top 334%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9093

Males

7596

M50-54

7596

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8755

Males

7421

M50-54

7421

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9093

Males

7596

M50-54

7596

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9220

Males

7640

M50-54

7640

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9568

Males

7849

M50-54

7849

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9497

Males

7708

M50-54

7708

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11092

Males

8385

M50-54

8385

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10128

Males

7816

M50-54

7816

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9507

Males

7345

M50-54

7345

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9804

Males

7517

M50-54

7517

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7545

Males

6154

M50-54

6154

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8731

Males

6749

M50-54

6749

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9010

Males

6820

M50-54

6820

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10941

Males

7752

M50-54

7752

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9179

Males

6849

M50-54

6849

Passing Analysis

Category:
Athletes Passed
1906
Passed By
1328
Net Change
+578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9843
5K → 10K70882+626#9843#9217
10K → 15K194113+81#9217#9136
15K → 20K136124+12#9136#9124
20K → Half1546-31#9124#9155
Half → 25K108136-28#9155#9183
25K → 30K91419-328#9183#9511
30K → 20M72100-28#9511#9539
20M → 21M9154+37#9539#9502
21M → 35K5158-7#9502#9509
35K → 23M1967+189#9509#9320
23M → 24M8636+50#9320#9270
24M → 40K7946+33#9270#9237
40K → 25.2M1553-38#9237#9275
25.2M → Finish6454+10#9275#9265
TOTALS19061328+578
📊

Passing Visuals

Category:
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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