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BOSTON MARATHON 2023

Keith Dash

Bib: 6278•M

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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #5449
Start → 5K
6:53/mi
21:24 split
10K· 6.21 mi
42:19
Rank: #5047 (+402)
5K → 10K
6:44/mi
20:55 split
15K· 9.32 mi
1:03:22
Rank: #4984 (+63)
10K → 15K
6:47/mi
21:03 split
20K· 12.43 mi
1:24:29
Rank: #4820 (+164)
15K → 20K
6:48/mi
21:07 split
Half· 13.11 mi
1:29:00
Rank: #4742 (+78)
20K → Half
6:37/mi
4:31 split
25K· 15.53 mi
1:45:51
Rank: #4830 (-88)
Half → 25K
6:57/mi
16:51 split
30K· 18.64 mi
2:07:22
Rank: #4600 (+230)
25K → 30K
6:56/mi
21:31 split
20M
2:16:51
Rank: #4520 (+80)
30K → 20M
6:59/mi
9:29 split
21M
2:24:02
Rank: #4394 (+126)
20M → 21M
7:11/mi
7:11 split
35K· 21.75 mi
2:28:53
Rank: #4262 (+132)
21M → 35K
6:29/mi
4:51 split
23M
2:37:22
Rank: #4133 (+129)
35K → 23M
6:47/mi
8:29 split
24M
2:43:58
Rank: #4013 (+120)
23M → 24M
6:36/mi
6:36 split
40K· 24.85 mi
2:49:38
Rank: #3887 (+126)
24M → 40K
6:38/mi
5:40 split
25.2M
2:52:03
Rank: #3820 (+67)
40K → 25.2M
7:00/mi
2:25 split
Finish· 26.22 mi
2:58:40
Rank: #3734 (+86)
25.2M → Finish
6:30/mi
6:37 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:00
Pace6:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:40
Pace6:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4721:246:5321:24
6:53
-
10K
6.21 mi10:45:4242:196:4920:55
6:44
-0:09
15K
9.32 mi11:06:451:03:226:4821:03
6:47
+0:03
20K
12.43 mi11:27:521:24:296:4821:07
6:48
+0:01
Half
13.11 mi11:32:231:29:006:474:31
6:37
-0:11
25K
15.53 mi11:49:141:45:516:4916:51
6:57
+0:20
30K
18.64 mi12:10:452:07:226:5021:31
6:56
-0:01
20M
20.00 mi12:20:142:16:516:519:29
6:59
+0:03
21M
21.00 mi12:27:252:24:026:527:11
7:11
+0:12
35K
21.75 mi12:32:162:28:536:514:51
6:29
-0:42
23M
23.00 mi12:40:452:37:226:518:29
6:47
+0:18
24M
24.00 mi12:47:212:43:586:506:36
6:36
-0:11
40K
24.85 mi12:53:012:49:386:495:40
6:38
+0:02
25.2M
25.20 mi12:55:262:52:036:502:25
7:00
+0:22
Finish
26.22 mi13:02:032:58:406:496:37
6:30
-0:30

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

6:29 /mi

Average Pace

6:49 /mi

Slowest Pace

7:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:29

96% of race

Time at Steady Pace

7:11

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:24:4721:246:5321:24
6:53
#5449
10K
6.21 mi10:45:4242:196:4920:55
6:44
#5047
15K
9.32 mi11:06:451:03:226:4821:03
6:47
#4984
20K
12.43 mi11:27:521:24:296:4821:07
6:48
#4820
Half
13.11 mi11:32:231:29:006:474:31
6:37
#4742
25K
15.53 mi11:49:141:45:516:4916:51
6:57
#4830
30K
18.64 mi12:10:452:07:226:5021:31
6:56
#4600
20M
20.00 mi12:20:142:16:516:519:29
6:59
#4520
21M
21.00 mi12:27:252:24:026:527:11
7:11
#4394
35K
21.75 mi12:32:162:28:536:514:51
6:29
#4262
23M
23.00 mi12:40:452:37:226:518:29
6:47
#4133
24M
24.00 mi12:47:212:43:586:506:36
6:36
#4013
40K
24.85 mi12:53:012:49:386:495:40
6:38
#3887
25.2M
25.20 mi12:55:262:52:036:502:25
7:00
#3820
Finish
26.22 mi13:02:032:58:406:496:37
6:30
#3734
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5449503250324850(Top 18%)4511(Top 30%)4511(Top 85%)
10K6.21 mi3.10 mi5047+4024676+3564676+3564643(Top 17%)4327(Top 29%)4327(Top 82%)
15K9.32 mi3.11 mi4984+634628+484628+484850(Top 18%)4511(Top 30%)4511(Top 85%)
20K12.43 mi3.11 mi4820+1644489+1394489+1394393(Top 17%)4099(Top 27%)4099(Top 78%)
Half13.11 mi0.68 mi4742+784419+704419+703601(Top 14%)3409(Top 22%)3409(Top 65%)
25K15.53 mi2.42 mi4830-884492-734492-735269(Top 20%)4856(Top 32%)4856(Top 92%)
30K18.64 mi3.11 mi4600+2304289+2034289+2033827(Top 14%)3586(Top 24%)3586(Top 68%)
20M20.00 mi1.36 mi4520+804213+764213+763891(Top 15%)3619(Top 24%)3619(Top 68%)
21M21.00 mi1.00 mi4394+1264104+1094104+1093015(Top 11%)2826(Top 19%)2826(Top 53%)
35K21.75 mi0.75 mi4262+1323987+1173987+1172359(Top 9%)2239(Top 15%)2239(Top 42%)
23M23.00 mi1.25 mi4133+1293871+1163871+1162536(Top 10%)2382(Top 16%)2382(Top 45%)
24M24.00 mi1.00 mi4013+1203759+1123759+1122580(Top 10%)2408(Top 16%)2408(Top 46%)
40K24.85 mi0.85 mi3887+1263646+1133646+1132052(Top 8%)1922(Top 13%)1922(Top 36%)
25.2M25.20 mi0.35 mi3820+673589+573589+571810(Top 7%)1703(Top 11%)1703(Top 32%)
Finish26.22 mi1.02 mi3734+863507+823507+822453(Top 9%)2261(Top 15%)2261(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4850

Males

4511

M18-39

4511

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4643

Males

4327

M18-39

4327

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4850

Males

4511

M18-39

4511

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4393

Males

4099

M18-39

4099

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3601

Males

3409

M18-39

3409

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5269

Males

4856

M18-39

4856

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3827

Males

3586

M18-39

3586

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3891

Males

3619

M18-39

3619

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3015

Males

2826

M18-39

2826

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2359

Males

2239

M18-39

2239

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2536

Males

2382

M18-39

2382

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2580

Males

2408

M18-39

2408

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2052

Males

1922

M18-39

1922

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1810

Males

1703

M18-39

1703

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2453

Males

2261

M18-39

2261

Passing Analysis

Category:
Athletes Passed
2171
Passed By
456
Net Change
+1715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5449
5K → 10K46260+402#5449#5047
10K → 15K14279+63#5047#4984
15K → 20K19733+164#4984#4820
20K → Half835+78#4820#4742
Half → 25K72160-88#4742#4830
25K → 30K27141+230#4830#4600
30K → 20M10323+80#4600#4520
20M → 21M1359+126#4520#4394
21M → 35K1331+132#4394#4262
35K → 23M1389+129#4262#4133
23M → 24M1255+120#4133#4013
24M → 40K1337+126#4013#3887
40K → 25.2M703+67#3887#3820
25.2M → Finish10721+86#3820#3734
TOTALS2171456+1715
📊

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