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BOSTON MARATHON 2024

Daniel Koh

Bib: 8909•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 26%
Gender (Male)
#0 / 14578
Top 38%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:35
Rank: #6711
Start → 5K
21:35 | 6:57/mi
10K· 6.21 mi
43:55
Rank: #7244 (-533)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:06:30
Rank: #7425 (-181)
10K → 15K
22:35 | 7:16/mi
20K· 12.43 mi
1:29:42
Rank: #7548 (-123)
15K → 20K
23:12 | 7:28/mi
Half· 13.11 mi
1:34:49
Rank: #7609 (-61)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:53:21
Rank: #7583 (+26)
Half → 25K
18:32 | 7:39/mi
30K· 18.64 mi
2:17:58
Rank: #7458 (+125)
25K → 30K
24:37 | 7:55/mi
20M
2:28:46
Rank: #7311 (+147)
30K → 20M
10:48 | 7:57/mi
21M
2:37:16
Rank: #7159 (+152)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:43:10
Rank: #7096 (+63)
21M → 35K
5:54 | 7:53/mi
23M
2:53:17
Rank: #6941 (+155)
35K → 23M
10:07 | 8:05/mi
24M
3:01:12
Rank: #6828 (+113)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:07:58
Rank: #6686 (+142)
24M → 40K
6:46 | 7:55/mi
25.2M
3:11:04
Rank: #6654 (+32)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:19:03
Rank: #6673 (-19)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:49
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:44:14
Pace7:57 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5021:356:5721:35
6:57
-
10K
6.21 mi11:09:1043:557:0422:20
7:11
+0:14
15K
9.32 mi11:31:451:06:307:0822:35
7:16
+0:05
20K
12.43 mi11:54:571:29:427:1323:12
7:28
+0:12
Half
13.11 mi12:00:041:34:497:145:07
7:30
+0:02
25K
15.53 mi12:18:361:53:217:1818:32
7:39
+0:09
30K
18.64 mi12:43:132:17:587:2424:37
7:55
+0:16
20M
20.00 mi12:54:012:28:467:2610:48
7:57
+0:02
21M
21.00 mi13:02:312:37:167:298:30
8:30
+0:33
35K
21.75 mi13:08:252:43:107:305:54
7:53
-0:37
23M
23.00 mi13:18:322:53:177:3210:07
8:05
+0:12
24M
24.00 mi13:26:273:01:127:337:55
7:55
-0:10
40K
24.85 mi13:33:133:07:587:346:46
7:55
0:00
25.2M
25.20 mi13:36:193:11:047:353:06
8:59
+1:04
Finish
26.22 mi13:44:183:19:037:367:59
7:50
-1:09

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

6:57 /mi

Average Pace

7:36 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:49

48% of race

Time at Steady Pace

1:32:38

47% of race

Time at Slower Pace

11:36

6% of race

Average Pace: 7:35 /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 mi10:46:5021:356:5721:35
6:57
#6711
10K
6.21 mi11:09:1043:557:0422:20
7:11
#7244
15K
9.32 mi11:31:451:06:307:0822:35
7:16
#7425
20K
12.43 mi11:54:571:29:427:1323:12
7:28
#7548
Half
13.11 mi12:00:041:34:497:145:07
7:30
#7609
25K
15.53 mi12:18:361:53:217:1818:32
7:39
#7583
30K
18.64 mi12:43:132:17:587:2424:37
7:55
#7458
20M
20.00 mi12:54:012:28:467:2610:48
7:57
#7311
21M
21.00 mi13:02:312:37:167:298:30
8:30
#7159
35K
21.75 mi13:08:252:43:107:305:54
7:53
#7096
23M
23.00 mi13:18:322:53:177:3210:07
8:05
#6941
24M
24.00 mi13:26:273:01:127:337:55
7:55
#6828
40K
24.85 mi13:33:133:07:587:346:46
7:55
#6686
25.2M
25.20 mi13:36:193:11:047:353:06
8:59
#6654
Finish
26.22 mi13:44:183:19:037:367:59
7:50
#6673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6711596059607942(Top 31%)6684(Top 46%)6684(Top 138%)
10K6.21 mi3.10 mi7244-5336316-3566316-3567837(Top 31%)6644(Top 46%)6644(Top 137%)
15K9.32 mi3.11 mi7425-1816407-916407-917942(Top 31%)6684(Top 46%)6684(Top 138%)
20K12.43 mi3.11 mi7548-1236453-466453-468127(Top 32%)6668(Top 46%)6668(Top 138%)
Half13.11 mi0.68 mi7609-616492-396492-399033(Top 35%)7160(Top 49%)7160(Top 148%)
25K15.53 mi2.42 mi7583+266434+586434+587912(Top 31%)6371(Top 44%)6371(Top 131%)
30K18.64 mi3.11 mi7458+1256284+1506284+1507421(Top 29%)5875(Top 40%)5875(Top 121%)
20M20.00 mi1.36 mi7311+1476152+1326152+1326444(Top 25%)5119(Top 35%)5119(Top 106%)
21M21.00 mi1.00 mi7159+1526004+1486004+1486206(Top 24%)4799(Top 33%)4799(Top 99%)
35K21.75 mi0.75 mi7096+635939+655939+657050(Top 28%)5256(Top 36%)5256(Top 108%)
23M23.00 mi1.25 mi6941+1555789+1505789+1506148(Top 24%)4618(Top 32%)4618(Top 95%)
24M24.00 mi1.00 mi6828+1135673+1165673+1166164(Top 24%)4548(Top 31%)4548(Top 94%)
40K24.85 mi0.85 mi6686+1425537+1365537+1365359(Top 21%)3990(Top 27%)3990(Top 82%)
25.2M25.20 mi0.35 mi6654+325499+385499+386475(Top 25%)4530(Top 31%)4530(Top 93%)
Finish26.22 mi1.02 mi6673-195485+145485+147515(Top 29%)5155(Top 35%)5155(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

7942

Males

6684

M18-39

6684

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

7837

Males

6644

M18-39

6644

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

7942

Males

6684

M18-39

6684

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8127

Males

6668

M18-39

6668

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9033

Males

7160

M18-39

7160

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7912

Males

6371

M18-39

6371

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7421

Males

5875

M18-39

5875

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6444

Males

5119

M18-39

5119

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6206

Males

4799

M18-39

4799

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7050

Males

5256

M18-39

5256

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6148

Males

4618

M18-39

4618

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6164

Males

4548

M18-39

4548

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5359

Males

3990

M18-39

3990

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6475

Males

4530

M18-39

4530

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7515

Males

5155

M18-39

5155

Passing Analysis

Category:
Athletes Passed
1906
Passed By
1868
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6711
5K → 10K55588-533#6711#7244
10K → 15K89270-181#7244#7425
15K → 20K148271-123#7425#7548
20K → Half1778-61#7548#7609
Half → 25K190164+26#7609#7583
25K → 30K288163+125#7583#7458
30K → 20M18134+147#7458#7311
20M → 21M19038+152#7311#7159
21M → 35K10744+63#7159#7096
35K → 23M20247+155#7096#6941
23M → 24M14936+113#6941#6828
24M → 40K17432+142#6828#6686
40K → 25.2M5220+32#6686#6654
25.2M → Finish6483-19#6654#6673
TOTALS19061868+38
📊

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