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BOSTON MARATHON 2023

Eric Ashack

Bib: 8044•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #4545
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
42:18
Rank: #5023 (-478)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:03:42
Rank: #5303 (-280)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:25:12
Rank: #5380 (-77)
15K → 20K
21:30 | 6:55/mi
Half· 13.11 mi
1:29:51
Rank: #5375 (+5)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:38
Rank: #5318 (+57)
Half → 25K
16:47 | 6:55/mi
30K· 18.64 mi
2:08:37
Rank: #5169 (+149)
25K → 30K
21:59 | 7:05/mi
20M
2:18:16
Rank: #5089 (+80)
30K → 20M
9:39 | 7:06/mi
21M
2:25:36
Rank: #4975 (+114)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:30:36
Rank: #4904 (+71)
21M → 35K
5:00 | 6:41/mi
23M
2:39:19
Rank: #4759 (+145)
35K → 23M
8:43 | 6:58/mi
24M
2:46:07
Rank: #4674 (+85)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:52:03
Rank: #4612 (+62)
24M → 40K
5:56 | 6:56/mi
25.2M
2:54:33
Rank: #4572 (+40)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:01:03
Rank: #4426 (+146)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:51
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2521:056:4721:05
6:47
-
10K
6.21 mi11:07:3842:186:4821:13
6:50
+0:03
15K
9.32 mi11:29:021:03:426:5021:24
6:53
+0:03
20K
12.43 mi11:50:321:25:126:5121:30
6:55
+0:02
Half
13.11 mi11:55:111:29:516:514:39
6:49
-0:06
25K
15.53 mi12:11:581:46:386:5216:47
6:55
+0:06
30K
18.64 mi12:33:572:08:376:5421:59
7:05
+0:10
20M
20.00 mi12:43:362:18:166:559:39
7:06
+0:01
21M
21.00 mi12:50:562:25:366:567:20
7:20
+0:14
35K
21.75 mi12:55:562:30:366:555:00
6:41
-0:39
23M
23.00 mi13:04:392:39:196:568:43
6:58
+0:17
24M
24.00 mi13:11:272:46:076:556:48
6:48
-0:10
40K
24.85 mi13:17:232:52:036:555:56
6:56
+0:08
25.2M
25.20 mi13:19:532:54:336:562:30
7:15
+0:19
Finish
26.22 mi13:26:233:01:036:556:30
6:23
-0:52

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

6:23 /mi

Average Pace

6:55 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:35

77% of race

Time at Steady Pace

41:28

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:46:2521:056:4721:05
6:47
#4545
10K
6.21 mi11:07:3842:186:4821:13
6:50
#5023
15K
9.32 mi11:29:021:03:426:5021:24
6:53
#5303
20K
12.43 mi11:50:321:25:126:5121:30
6:55
#5380
Half
13.11 mi11:55:111:29:516:514:39
6:49
#5375
25K
15.53 mi12:11:581:46:386:5216:47
6:55
#5318
30K
18.64 mi12:33:572:08:376:5421:59
7:05
#5169
20M
20.00 mi12:43:362:18:166:559:39
7:06
#5089
21M
21.00 mi12:50:562:25:366:567:20
7:20
#4975
35K
21.75 mi12:55:562:30:366:555:00
6:41
#4904
23M
23.00 mi13:04:392:39:196:568:43
6:58
#4759
24M
24.00 mi13:11:272:46:076:556:48
6:48
#4674
40K
24.85 mi13:17:232:52:036:555:56
6:56
#4612
25.2M
25.20 mi13:19:532:54:336:562:30
7:15
#4572
Finish
26.22 mi13:26:233:01:036:556:30
6:23
#4426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4545423942395859(Top 22%)5347(Top 35%)5347(Top 101%)
10K6.21 mi3.10 mi5023-4784656-4174656-4175556(Top 21%)5106(Top 34%)5106(Top 97%)
15K9.32 mi3.11 mi5303-2804910-2544910-2545859(Top 22%)5347(Top 35%)5347(Top 101%)
20K12.43 mi3.11 mi5380-774976-664976-665462(Top 21%)5033(Top 33%)5033(Top 95%)
Half13.11 mi0.68 mi5375+54971+54971+55329(Top 20%)4912(Top 32%)4912(Top 93%)
25K15.53 mi2.42 mi5318+574921+504921+505085(Top 19%)4695(Top 31%)4695(Top 89%)
30K18.64 mi3.11 mi5169+1494785+1364785+1364795(Top 18%)4420(Top 29%)4420(Top 84%)
20M20.00 mi1.36 mi5089+804712+734712+734619(Top 17%)4238(Top 28%)4238(Top 80%)
21M21.00 mi1.00 mi4975+1144607+1054607+1053797(Top 14%)3520(Top 23%)3520(Top 67%)
35K21.75 mi0.75 mi4904+714547+604547+603491(Top 13%)3243(Top 21%)3243(Top 61%)
23M23.00 mi1.25 mi4759+1454420+1274420+1273592(Top 13%)3331(Top 22%)3331(Top 63%)
24M24.00 mi1.00 mi4674+854345+754345+753663(Top 14%)3362(Top 22%)3362(Top 64%)
40K24.85 mi0.85 mi4612+624287+584287+583548(Top 13%)3227(Top 21%)3227(Top 61%)
25.2M25.20 mi0.35 mi4572+404252+354252+352770(Top 10%)2556(Top 17%)2556(Top 48%)
Finish26.22 mi1.02 mi4426+1464125+1274125+1271949(Top 7%)1820(Top 12%)1820(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5859

Males

5347

M18-39

5347

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5556

Males

5106

M18-39

5106

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5859

Males

5347

M18-39

5347

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5462

Males

5033

M18-39

5033

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5329

Males

4912

M18-39

4912

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5085

Males

4695

M18-39

4695

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4795

Males

4420

M18-39

4420

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4619

Males

4238

M18-39

4238

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3797

Males

3520

M18-39

3520

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3491

Males

3243

M18-39

3243

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3592

Males

3331

M18-39

3331

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3663

Males

3362

M18-39

3362

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3548

Males

3227

M18-39

3227

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2770

Males

2556

M18-39

2556

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1949

Males

1820

M18-39

1820

Passing Analysis

Category:
Athletes Passed
1362
Passed By
1243
Net Change
+119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4545
5K → 10K58536-478#4545#5023
10K → 15K37317-280#5023#5303
15K → 20K84161-77#5303#5380
20K → Half2015+5#5380#5375
Half → 25K11861+57#5375#5318
25K → 30K21061+149#5318#5169
30K → 20M11535+80#5169#5089
20M → 21M12814+114#5089#4975
21M → 35K765+71#4975#4904
35K → 23M1538+145#4904#4759
23M → 24M9813+85#4759#4674
24M → 40K7715+62#4674#4612
40K → 25.2M411+40#4612#4572
25.2M → Finish1471+146#4572#4426
TOTALS13621243+119
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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