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BOSTON MARATHON 2023

Jeff Koranda

Bib: 5624•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
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
21:21
Rank: #5331
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:48
Rank: #5733 (-402)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:21
Rank: #5870 (-137)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:26:07
Rank: #5907 (-37)
15K → 20K
21:46 | 7:00/mi
Half· 13.11 mi
1:30:48
Rank: #5894 (+13)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:48:06
Rank: #5966 (-72)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:11:10
Rank: #6035 (-69)
25K → 30K
23:04 | 7:25/mi
20M
2:21:20
Rank: #6038 (-3)
30K → 20M
10:10 | 7:29/mi
21M
2:29:18
Rank: #6060 (-22)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:34:41
Rank: #6036 (+24)
21M → 35K
5:23 | 7:12/mi
23M
2:43:41
Rank: #5907 (+129)
35K → 23M
9:00 | 7:11/mi
24M
2:50:59
Rank: #5870 (+37)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:57:23
Rank: #5853 (+17)
24M → 40K
6:24 | 7:29/mi
25.2M
3:00:14
Rank: #5863 (-10)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:07:45
Rank: #5881 (-18)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:48
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:36:57
Pace7:24 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0521:216:5221:21
6:52
-
10K
6.21 mi10:45:3242:486:5321:27
6:54
+0:02
15K
9.32 mi11:07:051:04:216:5421:33
6:56
+0:02
20K
12.43 mi11:28:511:26:076:5621:46
7:00
+0:04
Half
13.11 mi11:33:321:30:486:564:41
6:52
-0:08
25K
15.53 mi11:50:501:48:066:5817:18
7:08
+0:16
30K
18.64 mi12:13:542:11:107:0223:04
7:25
+0:17
20M
20.00 mi12:24:042:21:207:0410:10
7:29
+0:04
21M
21.00 mi12:32:022:29:187:077:58
7:58
+0:29
35K
21.75 mi12:37:252:34:417:075:23
7:12
-0:46
23M
23.00 mi12:46:252:43:417:079:00
7:11
-0:01
24M
24.00 mi12:53:432:50:597:077:18
7:18
+0:07
40K
24.85 mi13:00:072:57:237:086:24
7:29
+0:11
25.2M
25.20 mi13:02:583:00:147:092:51
8:16
+0:47
Finish
26.22 mi13:10:293:07:457:107:31
7:23
-0:53

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

6:52 /mi

Average Pace

7:10 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:48

48% of race

Time at Steady Pace

46:30

25% of race

Time at Slower Pace

50:27

27% of race

Average Pace: 7:10 /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 mi10:24:0521:216:5221:21
6:52
#5331
10K
6.21 mi10:45:3242:486:5321:27
6:54
#5733
15K
9.32 mi11:07:051:04:216:5421:33
6:56
#5870
20K
12.43 mi11:28:511:26:076:5621:46
7:00
#5907
Half
13.11 mi11:33:321:30:486:564:41
6:52
#5894
25K
15.53 mi11:50:501:48:066:5817:18
7:08
#5966
30K
18.64 mi12:13:542:11:107:0223:04
7:25
#6035
20M
20.00 mi12:24:042:21:207:0410:10
7:29
#6038
21M
21.00 mi12:32:022:29:187:077:58
7:58
#6060
35K
21.75 mi12:37:252:34:417:075:23
7:12
#6036
23M
23.00 mi12:46:252:43:417:079:00
7:11
#5907
24M
24.00 mi12:53:432:50:597:077:18
7:18
#5870
40K
24.85 mi13:00:072:57:237:086:24
7:29
#5853
25.2M
25.20 mi13:02:583:00:147:092:51
8:16
#5863
Finish
26.22 mi13:10:293:07:457:107:31
7:23
#5881
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5331492949296179(Top 23%)5601(Top 37%)5601(Top 106%)
10K6.21 mi3.10 mi5733-4025267-3385267-3386157(Top 23%)5583(Top 37%)5583(Top 106%)
15K9.32 mi3.11 mi5870-1375377-1105377-1106179(Top 23%)5601(Top 37%)5601(Top 106%)
20K12.43 mi3.11 mi5907-375403-265403-266016(Top 23%)5485(Top 36%)5485(Top 104%)
Half13.11 mi0.68 mi5894+135394+95394+95772(Top 22%)5304(Top 35%)5304(Top 100%)
25K15.53 mi2.42 mi5966-725455-615455-616301(Top 24%)5649(Top 37%)5649(Top 107%)
30K18.64 mi3.11 mi6035-695491-365491-366732(Top 25%)5882(Top 39%)5882(Top 111%)
20M20.00 mi1.36 mi6038-35479+125479+126639(Top 25%)5727(Top 38%)5727(Top 108%)
21M21.00 mi1.00 mi6060-225487-85487-87101(Top 27%)5917(Top 39%)5917(Top 112%)
35K21.75 mi0.75 mi6036+245458+295458+296456(Top 24%)5536(Top 36%)5536(Top 105%)
23M23.00 mi1.25 mi5907+1295352+1065352+1064738(Top 18%)4267(Top 28%)4267(Top 81%)
24M24.00 mi1.00 mi5870+375308+445308+446350(Top 24%)5313(Top 35%)5313(Top 101%)
40K24.85 mi0.85 mi5853+175285+235285+236606(Top 25%)5394(Top 36%)5394(Top 102%)
25.2M25.20 mi0.35 mi5863-105289-45289-47962(Top 30%)6122(Top 40%)6122(Top 116%)
Finish26.22 mi1.02 mi5881-185293-45293-47589(Top 29%)5918(Top 39%)5918(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6179

Males

5601

M18-39

5601

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6157

Males

5583

M18-39

5583

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6179

Males

5601

M18-39

5601

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6016

Males

5485

M18-39

5485

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5772

Males

5304

M18-39

5304

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6301

Males

5649

M18-39

5649

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6732

Males

5882

M18-39

5882

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6639

Males

5727

M18-39

5727

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7101

Males

5917

M18-39

5917

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6456

Males

5536

M18-39

5536

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4738

Males

4267

M18-39

4267

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6350

Males

5313

M18-39

5313

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6606

Males

5394

M18-39

5394

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7962

Males

6122

M18-39

6122

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7589

Males

5918

M18-39

5918

Passing Analysis

Category:
Athletes Passed
904
Passed By
1454
Net Change
-550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5331
5K → 10K72474-402#5331#5733
10K → 15K68205-137#5733#5870
15K → 20K88125-37#5870#5907
20K → Half3118+13#5907#5894
Half → 25K50122-72#5894#5966
25K → 30K108177-69#5966#6035
30K → 20M5659-3#6035#6038
20M → 21M4466-22#6038#6060
21M → 35K5026+24#6060#6036
35K → 23M14213+129#6036#5907
23M → 24M7134+37#5907#5870
24M → 40K5437+17#5870#5853
40K → 25.2M1727-10#5853#5863
25.2M → Finish5371-18#5863#5881
TOTALS9041454-550
📊

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