Boston Marathon logo
BOSTON MARATHON 2024

Yan Keong David Kok

Bib: 25101•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:30/mi
29:32
↑ 97↓ 3451.5%
10K· 6.21 mi
9:35/mi
59:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:49/mi
1:29:47
↑ 67↓ 78
20K· 12.43 mi
11:59/mi
2:07:02
↑ 106↓ 860.1%
Half· 13.11 mi
11:24/mi
2:14:49
↑ 19↓ 370.5%
25K· 15.53 mi
13:18/mi
2:47:04
↑ 66↓ 880.2%
30K· 18.64 mi
15:09/mi
3:34:08
↑ 181↓ 1480.2%
20M
16:11/mi
3:56:08
↑ 64↓ 500.2%
21M
16:04/mi
4:12:12
↑ 106↓ 241.6%
35K· 21.75 mi
14:53/mi
4:23:20
↑ 17↓ 861.7%
23M
15:05/mi
4:42:13
↑ 23↓ 630.6%
24M
15:14/mi
4:57:27
↓ 821.3%
40K· 24.85 mi
15:19/mi
5:10:33
↓ 200.3%
25.2M
15:54/mi
5:16:02
↑ 13↓ 160.2%
Finish· 26.22 mi
12:14/mi
5:28:30
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:49
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time3:13:41
Pace14:46 /mi
📊Positive Split: 43.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1429:329:3029:32
9:30
-
10K
6.21 mi12:14:5959:179:3229:45
9:35
+0:05
15K
9.32 mi12:45:291:29:479:3830:30
9:49
+0:14
20K
12.43 mi13:22:442:07:0210:1337:15
11:59
+2:10
Half
13.11 mi13:30:312:14:4910:177:47
11:24
-0:35
25K
15.53 mi14:02:462:47:0410:4532:15
13:18
+1:54
30K
18.64 mi14:49:503:34:0811:2947:04
15:09
+1:51
20M
20.00 mi15:11:503:56:0811:4822:00
16:11
+1:02
21M
21.00 mi15:27:544:12:1212:0116:04
16:04
-0:07
35K
21.75 mi15:39:024:23:2012:0711:08
14:53
-1:11
23M
23.00 mi15:57:554:42:1312:1618:53
15:05
+0:12
24M
24.00 mi16:13:094:57:2712:2415:14
15:14
+0:09
40K
24.85 mi16:26:155:10:3312:3013:06
15:19
+0:05
25.2M
25.20 mi16:31:445:16:0212:325:29
15:54
+0:35
Finish
26.22 mi16:44:125:28:3012:3212:28
12:14
-3:40

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

9:30 /mi

Average Pace

12:32 /mi

Slowest Pace

16:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:32

55% of race

Time at Steady Pace

2:06:58

39% of race

Time at Slower Pace

22:00

7% of race

Average Pace: 12:32 /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 mi11:45:1429:329:3029:32
9:30
#21753
10K
6.21 mi12:14:5959:179:3229:45
9:35
#21655
15K
9.32 mi12:45:291:29:479:3830:30
9:49
#21596
20K
12.43 mi13:22:442:07:0210:1337:15
11:59
#22475
Half
13.11 mi13:30:312:14:4910:177:47
11:24
#22579
25K
15.53 mi14:02:462:47:0410:4532:15
13:18
#23102
30K
18.64 mi14:49:503:34:0811:2947:04
15:09
#23745
20M
20.00 mi15:11:503:56:0811:4822:00
16:11
#23955
21M
21.00 mi15:27:544:12:1212:0116:04
16:04
#23979
35K
21.75 mi15:39:024:23:2012:0711:08
14:53
#24017
23M
23.00 mi15:57:554:42:1312:1618:53
15:05
#24093
24M
24.00 mi16:13:094:57:2712:2415:14
15:14
#24194
40K
24.85 mi16:26:155:10:3312:3013:06
15:19
#24241
25.2M
25.20 mi16:31:445:16:0212:325:29
15:54
#24242
Finish
26.22 mi16:44:125:28:3012:3212:28
12:14
#24241
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi21753129211292121480(Top 84%)12846(Top 88%)12846(Top 579%)
10K6.21 mi3.10 mi21655+9812884+3712884+3721572(Top 84%)12840(Top 88%)12840(Top 579%)
15K9.32 mi3.11 mi21596+5912870+1412870+1421480(Top 84%)12846(Top 88%)12846(Top 579%)
20K12.43 mi3.11 mi22475-87913287-41713287-41723989(Top 94%)13942(Top 96%)13942(Top 629%)
Half13.11 mi0.68 mi22579-10413332-4513332-4523999(Top 94%)13903(Top 95%)13903(Top 627%)
25K15.53 mi2.42 mi23102-52313548-21613548-21624448(Top 96%)14074(Top 97%)14074(Top 635%)
30K18.64 mi3.11 mi23745-64313821-27313821-27325033(Top 98%)14280(Top 98%)14280(Top 644%)
20M20.00 mi1.36 mi23955-21013886-6513886-6525231(Top 99%)14378(Top 99%)14378(Top 648%)
21M21.00 mi1.00 mi23979-2413891-513891-524528(Top 96%)13976(Top 96%)13976(Top 630%)
35K21.75 mi0.75 mi24017-3813906-1513906-1524822(Top 97%)14110(Top 97%)14110(Top 636%)
23M23.00 mi1.25 mi24093-7613928-2213928-2224708(Top 97%)14048(Top 96%)14048(Top 633%)
24M24.00 mi1.00 mi24194-10113971-4313971-4324896(Top 97%)14127(Top 97%)14127(Top 637%)
40K24.85 mi0.85 mi24241-4713985-1413985-1424717(Top 97%)14006(Top 96%)14006(Top 631%)
25.2M25.20 mi0.35 mi24242-113986-113986-123966(Top 94%)13566(Top 93%)13566(Top 612%)
Finish26.22 mi1.02 mi24241+113975+1113975+1123548(Top 92%)13315(Top 91%)13315(Top 600%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

21480

Males

12846

M45-49

12846

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

21572

Males

12840

M45-49

12840

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

21480

Males

12846

M45-49

12846

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

23989

Males

13942

M45-49

13942

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

23999

Males

13903

M45-49

13903

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

24448

Males

14074

M45-49

14074

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25033

Males

14280

M45-49

14280

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

25231

Males

14378

M45-49

14378

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

24528

Males

13976

M45-49

13976

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24822

Males

14110

M45-49

14110

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24708

Males

14048

M45-49

14048

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

24896

Males

14127

M45-49

14127

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

24717

Males

14006

M45-49

14006

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

23966

Males

13566

M45-49

13566

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

23548

Males

13315

M45-49

13315

Passing Analysis

Category:
Athletes Passed
728
Passed By
3216
Net Change
-2488
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21753
5K → 10K279181+98#21753#21655
10K → 15K211152+59#21655#21596
15K → 20K26905-879#21596#22475
20K → Half9113-104#22475#22579
Half → 25K28551-523#22579#23102
25K → 30K22665-643#23102#23745
30K → 20M16226-210#23745#23955
20M → 21M3155-24#23955#23979
21M → 35K2058-38#23979#24017
35K → 23M24100-76#24017#24093
23M → 24M7108-101#24093#24194
24M → 40K1562-47#24194#24241
40K → 25.2M1112-1#24241#24242
25.2M → Finish2928+1#24242#24241
TOTALS7283216-2488
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing