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BOSTON MARATHON 2024

Hong Tai Koh

Bib: 16611•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 39%
Gender (Male)
#0 / 14578
Top 50%
Masters (Masters Men)
#0 / 9729
Top 40%
Division (M55-59)
#0 / 1529
Top 27%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #10384
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
46:17
Rank: #10020 (+364)
5K → 10K
23:07 | 7:26/mi
15K· 9.32 mi
1:09:32
Rank: #9815 (+205)
10K → 15K
23:15 | 7:29/mi
20K· 12.43 mi
1:33:03
Rank: #9537 (+278)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:38:13
Rank: #9529 (+8)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:57:08
Rank: #9356 (+173)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:23:29
Rank: #9518 (-162)
25K → 30K
26:21 | 8:29/mi
20M
2:35:50
Rank: #9721 (-203)
30K → 20M
12:21 | 9:05/mi
21M
2:45:38
Rank: #9846 (-125)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
2:51:59
Rank: #9864 (-18)
21M → 35K
6:21 | 8:29/mi
23M
3:03:10
Rank: #9871 (-7)
35K → 23M
11:11 | 8:56/mi
24M
3:11:43
Rank: #9832 (+39)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:19:19
Rank: #9844 (-12)
24M → 40K
7:36 | 8:53/mi
25.2M
3:22:41
Rank: #9838 (+6)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:31:32
Rank: #9928 (-90)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:13
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:53:19
Pace8:39 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2123:107:2723:10
7:27
-
10K
6.21 mi11:36:2846:177:2723:07
7:26
-0:01
15K
9.32 mi11:59:431:09:327:2823:15
7:29
+0:03
20K
12.43 mi12:23:141:33:037:2923:31
7:34
+0:05
Half
13.11 mi12:28:241:38:137:305:10
7:34
0:00
25K
15.53 mi12:47:191:57:087:3218:55
7:48
+0:14
30K
18.64 mi13:13:402:23:297:4226:21
8:29
+0:41
20M
20.00 mi13:26:012:35:507:4712:21
9:05
+0:36
21M
21.00 mi13:35:492:45:387:539:48
9:48
+0:43
35K
21.75 mi13:42:102:51:597:546:21
8:29
-1:19
23M
23.00 mi13:53:213:03:107:5811:11
8:56
+0:27
24M
24.00 mi14:01:543:11:437:598:33
8:33
-0:23
40K
24.85 mi14:09:303:19:198:017:36
8:53
+0:20
25.2M
25.20 mi14:12:523:22:418:033:22
9:46
+0:53
Finish
26.22 mi14:21:433:31:328:048:51
8:41
-1:05

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

7:26 /mi

Average Pace

8:04 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:08

55% of race

Time at Steady Pace

50:06

24% of race

Time at Slower Pace

44:18

21% of race

Average Pace: 8:04 /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 mi11:13:2123:107:2723:10
7:27
#10384
10K
6.21 mi11:36:2846:177:2723:07
7:26
#10020
15K
9.32 mi11:59:431:09:327:2823:15
7:29
#9815
20K
12.43 mi12:23:141:33:037:2923:31
7:34
#9537
Half
13.11 mi12:28:241:38:137:305:10
7:34
#9529
25K
15.53 mi12:47:191:57:087:3218:55
7:48
#9356
30K
18.64 mi13:13:402:23:297:4226:21
8:29
#9518
20M
20.00 mi13:26:012:35:507:4712:21
9:05
#9721
21M
21.00 mi13:35:492:45:387:539:48
9:48
#9846
35K
21.75 mi13:42:102:51:597:546:21
8:29
#9864
23M
23.00 mi13:53:213:03:107:5811:11
8:56
#9871
24M
24.00 mi14:01:543:11:437:598:33
8:33
#9832
40K
24.85 mi14:09:303:19:198:017:36
8:53
#9844
25.2M
25.20 mi14:12:523:22:418:033:22
9:46
#9838
Finish
26.22 mi14:21:433:31:328:048:51
8:41
#9928
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10384813981399534(Top 37%)7572(Top 52%)7572(Top 495%)
10K6.21 mi3.10 mi10020+3647941+1987941+1989737(Top 38%)7731(Top 53%)7731(Top 506%)
15K9.32 mi3.11 mi9815+2057793+1487793+1489534(Top 37%)7572(Top 52%)7572(Top 495%)
20K12.43 mi3.11 mi9537+2787602+1917602+1918881(Top 35%)7106(Top 49%)7106(Top 465%)
Half13.11 mi0.68 mi9529+87589+137589+139629(Top 38%)7492(Top 51%)7492(Top 490%)
25K15.53 mi2.42 mi9356+1737456+1337456+1338925(Top 35%)6937(Top 48%)6937(Top 454%)
30K18.64 mi3.11 mi9518-1627430+267430+2610556(Top 41%)7567(Top 52%)7567(Top 495%)
20M20.00 mi1.36 mi9721-2037470-407470-4012552(Top 49%)8203(Top 56%)8203(Top 536%)
21M21.00 mi1.00 mi9846-1257477-77477-712115(Top 47%)7762(Top 53%)7762(Top 508%)
35K21.75 mi0.75 mi9864-187442+357442+3510636(Top 42%)7045(Top 48%)7045(Top 461%)
23M23.00 mi1.25 mi9871-77378+647378+6410795(Top 42%)6973(Top 48%)6973(Top 456%)
24M24.00 mi1.00 mi9832+397316+627316+629744(Top 38%)6416(Top 44%)6416(Top 420%)
40K24.85 mi0.85 mi9844-127291+257291+2510299(Top 40%)6558(Top 45%)6558(Top 429%)
25.2M25.20 mi0.35 mi9838+67267+247267+249877(Top 39%)6287(Top 43%)6287(Top 411%)
Finish26.22 mi1.02 mi9928-907266+17266+112520(Top 49%)7753(Top 53%)7753(Top 507%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9534

Males

7572

M55-59

7572

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

9737

Males

7731

M55-59

7731

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9534

Males

7572

M55-59

7572

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

8881

Males

7106

M55-59

7106

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9629

Males

7492

M55-59

7492

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

8925

Males

6937

M55-59

6937

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10556

Males

7567

M55-59

7567

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

12552

Males

8203

M55-59

8203

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12115

Males

7762

M55-59

7762

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

10636

Males

7045

M55-59

7045

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

10795

Males

6973

M55-59

6973

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9744

Males

6416

M55-59

6416

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10299

Males

6558

M55-59

6558

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

9877

Males

6287

M55-59

6287

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

12520

Males

7753

M55-59

7753

Passing Analysis

Category:
Athletes Passed
2382*
Passed By
1924
Net Change
+456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10384
5K → 10K474*110+364#10384#10020
10K → 15K316*111+205#10020#9815
15K → 20K36284+278#9815#9537
20K → Half3830+8#9537#9529
Half → 25K277104+173#9529#9356
25K → 30K215377-162#9356#9518
30K → 20M92295-203#9518#9721
20M → 21M90214-125#9721#9846
21M → 35K7896-18#9846#9864
35K → 23M137144-7#9864#9871
23M → 24M121*82+39#9871#9832
24M → 40K7789-12#9832#9844
40K → 25.2M4842+6#9844#9838
25.2M → Finish57146-90#9838#9928
TOTALS2382*1924+456

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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