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BOSTON MARATHON 2024

John Korir

Bib: 7•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 0.1%
Gender (Male)
#0 / 14578
Top 0.1%
Division (M18-39)
#0 / 4849
Top 0.1%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
14:22
Rank: #6
Start → 5K
14:22 | 4:37/mi
10K· 6.21 mi
28:54
Rank: #5 (+1)
5K → 10K
14:32 | 4:41/mi
15K· 9.32 mi
44:06
Rank: #7 (-2)
10K → 15K
15:12 | 4:54/mi
20K· 12.43 mi
58:53
Rank: #4 (+3)
15K → 20K
14:47 | 4:45/mi
Half· 13.11 mi
1:02:08
Rank: #4
20K → Half
3:15 | 4:46/mi
25K· 15.53 mi
1:14:06
Rank: #4
Half → 25K
11:58 | 4:56/mi
30K· 18.64 mi
1:29:46
Rank: #5 (-1)
25K → 30K
15:40 | 5:03/mi
20M
1:36:38
Rank: #6 (-1)
30K → 20M
6:52 | 5:03/mi
21M
1:41:44
Rank: #4 (+2)
20M → 21M
5:06 | 5:06/mi
35K· 21.75 mi
1:45:10
Rank: #3 (+1)
21M → 35K
3:26 | 4:35/mi
23M
1:51:08
Rank: #3
35K → 23M
5:58 | 4:46/mi
24M
1:55:54
Rank: #3
23M → 24M
4:46 | 4:46/mi
40K· 24.85 mi
2:00:13
Rank: #3
24M → 40K
4:19 | 5:03/mi
25.2M
2:02:14
Rank: #3
40K → 25.2M
2:01 | 5:51/mi
Finish· 26.22 mi
2:07:40
Rank: #4 (-1)
25.2M → Finish
5:26 | 5:20/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:02:08
Pace4:44 /mi
2nd Half
Distance13.11 mi
Time1:05:32
Pace5:00 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi09:51:2414:224:3714:22
4:37
-
10K
6.21 mi10:05:5628:544:3914:32
4:41
+0:04
15K
9.32 mi10:21:0844:064:4415:12
4:54
+0:13
20K
12.43 mi10:35:5558:534:4414:47
4:45
-0:09
Half
13.11 mi10:39:101:02:084:443:15
4:46
+0:01
25K
15.53 mi10:51:081:14:064:4611:58
4:56
+0:10
30K
18.64 mi11:06:481:29:464:4915:40
5:03
+0:07
20M
20.00 mi11:13:401:36:384:506:52
5:03
0:00
21M
21.00 mi11:18:461:41:444:515:06
5:06
+0:03
35K
21.75 mi11:22:121:45:104:503:26
4:35
-0:31
23M
23.00 mi11:28:101:51:084:505:58
4:46
+0:11
24M
24.00 mi11:32:561:55:544:504:46
4:46
0:00
40K
24.85 mi11:37:152:00:134:504:19
5:03
+0:17
25.2M
25.20 mi11:39:162:02:144:512:01
5:51
+0:48
Finish
26.22 mi11:44:422:07:404:525:26
5:20
-0:31

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

4:35 /mi

Average Pace

4:52 /mi

Slowest Pace

5:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

32:20

25% of race

Time at Steady Pace

1:22:47

65% of race

Time at Slower Pace

12:33

10% of race

Average Pace: 4:52 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi09:51:2414:224:3714:22
4:37
#6
10K
6.21 mi10:05:5628:544:3914:32
4:41
#5
15K
9.32 mi10:21:0844:064:4415:12
4:54
#7
20K
12.43 mi10:35:5558:534:4414:47
4:45
#4
Half
13.11 mi10:39:101:02:084:443:15
4:46
#4
25K
15.53 mi10:51:081:14:064:4611:58
4:56
#4
30K
18.64 mi11:06:481:29:464:4915:40
5:03
#5
20M
20.00 mi11:13:401:36:384:506:52
5:03
#6
21M
21.00 mi11:18:461:41:444:515:06
5:06
#4
35K
21.75 mi11:22:121:45:104:503:26
4:35
#3
23M
23.00 mi11:28:101:51:084:505:58
4:46
#3
24M
24.00 mi11:32:561:55:544:504:46
4:46
#3
40K
24.85 mi11:37:152:00:134:504:19
5:03
#3
25.2M
25.20 mi11:39:162:02:144:512:01
5:51
#3
Finish
26.22 mi11:44:422:07:404:525:26
5:20
#4
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6668(Top 0.03%)8(Top 0.05%)8(Top 0.2%)
10K6.21 mi3.10 mi5+15+15+15(Top 0.02%)5(Top 0.03%)5(Top 0.1%)
15K9.32 mi3.11 mi7-27-27-28(Top 0.03%)8(Top 0.05%)8(Top 0.2%)
20K12.43 mi3.11 mi4+34+34+32(Top 0.008%)2(Top 0.01%)2(Top 0.04%)
Half13.11 mi0.68 mi4445(Top 0.02%)5(Top 0.03%)5(Top 0.1%)
25K15.53 mi2.42 mi4449(Top 0.04%)9(Top 0.06%)9(Top 0.2%)
30K18.64 mi3.11 mi5-15-15-19(Top 0.04%)9(Top 0.06%)9(Top 0.2%)
20M20.00 mi1.36 mi6-16-16-16(Top 0.02%)6(Top 0.04%)6(Top 0.1%)
21M21.00 mi1.00 mi4+24+24+23(Top 0.01%)3(Top 0.02%)3(Top 0.06%)
35K21.75 mi0.75 mi3+13+13+12(Top 0.008%)2(Top 0.01%)2(Top 0.04%)
23M23.00 mi1.25 mi3332(Top 0.008%)2(Top 0.01%)2(Top 0.04%)
24M24.00 mi1.00 mi3335(Top 0.02%)3(Top 0.02%)3(Top 0.06%)
40K24.85 mi0.85 mi3337(Top 0.03%)5(Top 0.03%)5(Top 0.1%)
25.2M25.20 mi0.35 mi33317(Top 0.07%)13(Top 0.09%)13(Top 0.3%)
Finish26.22 mi1.02 mi4-14-14-137(Top 0.1%)30(Top 0.2%)30(Top 0.6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.03%
×21stories
+97ft-345ft

Overall

8

Males

8

M18-39

8

5K→10K

3.1 - 6.2 mi

Top 0.02%
×5stories
+79ft-138ft

Overall

5

Males

5

M18-39

5

10K→15K

6.2 - 9.3 mi

Top 0.03%
×3stories
+67ft-78ft

Overall

8

Males

8

M18-39

8

15K→20K

9.3 - 12.4 mi

Top 0.008%
×5stories
+106ft-86ft

Overall

2

Males

2

M18-39

2

20K→Half

12.4 - 13.1 mi

Top 0.02%
×2stories
+19ft-37ft

Overall

5

Males

5

M18-39

5

Half→25K

13.1 - 15.5 mi

Top 0.04%
×4stories
+66ft-88ft

Overall

9

Males

9

M18-39

9

25K→30K

15.5 - 18.6 mi

Top 0.04%
×9stories
+181ft-148ft

Overall

9

Males

9

M18-39

9

30K→20M

18.6 - 20.0 mi

Top 0.02%
×5stories
+64ft-50ft

Overall

6

Males

6

M18-39

6

20M→21M

20.0 - 21.0 mi

Top 0.01%
×8stories
+106ft-24ft

Overall

3

Males

3

M18-39

3

21M→35K

21.0 - 21.8 mi

Top 0.008%
×7stories
+17ft-86ft

Overall

2

Males

2

M18-39

2

35K→23M

21.8 - 23.0 mi

Top 0.008%
×5stories
+23ft-63ft

Overall

2

Males

2

M18-39

2

23M→24M

23.0 - 24.0 mi

Top 0.02%
×6stories
+12ft-82ft

Overall

5

Males

3

M18-39

3

24M→40K

24.0 - 24.9 mi

Top 0.03%
×1story
+6ft-20ft

Overall

7

Males

5

M18-39

5

40K→25.2M

24.9 - 25.2 mi

Top 0.07%
×1story
+13ft-16ft

Overall

17

Males

13

M18-39

13

25.2M→Finish

25.2 - 26.2 mi

Top 0.1%
×2stories
+22ft-21ft

Overall

37

Males

30

M18-39

30

Passing Analysis

Category:
Athletes Passed
7
Passed By
5
Net Change
+2
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6
5K → 10K10+1#6#5
10K → 15K02-2#5#7
15K → 20K30+3#7#4
20K → Half000#4#4
Half → 25K000#4#4
25K → 30K01-1#4#5
30K → 20M01-1#5#6
20M → 21M20+2#6#4
21M → 35K10+1#4#3
35K → 23M000#3#3
23M → 24M000#3#3
24M → 40K000#3#3
40K → 25.2M000#3#3
25.2M → Finish01-1#3#4
TOTALS75+2
📊

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