Boston Marathon logo
BOSTON MARATHON 2025

Hart Kit Anthony Chan

Bib: 21240•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:18
Rank: #17675
Start → 5K
25:18 | 8:09/mi
10K· 6.21 mi
51:03
Rank: #18078 (-403)
5K → 10K
25:45 | 8:17/mi
15K· 9.32 mi
1:17:32
Rank: #18520 (-442)
10K → 15K
26:29 | 8:31/mi
20K· 12.43 mi
1:45:49
Rank: #19352 (-832)
15K → 20K
28:17 | 9:06/mi
Half· 13.11 mi
1:51:44
Rank: #19409 (-57)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:13:58
Rank: #19643 (-234)
Half → 25K
22:14 | 9:10/mi
30K· 18.64 mi
2:44:41
Rank: #20063 (-420)
25K → 30K
30:43 | 9:53/mi
20M
2:58:31
Rank: #20198 (-135)
30K → 20M
13:50 | 10:11/mi
21M
3:09:43
Rank: #20356 (-158)
20M → 21M
11:12 | 11:12/mi
35K· 21.75 mi
3:16:53
Rank: #20352 (+4)
21M → 35K
7:10 | 9:35/mi
23M
3:29:33
Rank: #20424 (-72)
35K → 23M
12:40 | 10:07/mi
24M
3:39:12
Rank: #20445 (-21)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
3:47:46
Rank: #20471 (-26)
24M → 40K
8:34 | 10:01/mi
25.2M
3:51:38
Rank: #20501 (-30)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:01:41
Rank: #20595 (-94)
25.2M → Finish
10:03 | 9:52/mi

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
Time1:51:44
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:09:57
Pace9:55 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1625:188:0925:18
8:09
-
10K
6.21 mi11:44:0151:038:1325:45
8:17
+0:08
15K
9.32 mi12:10:301:17:328:1926:29
8:31
+0:14
20K
12.43 mi12:38:471:45:498:3128:17
9:06
+0:35
Half
13.11 mi12:44:421:51:448:315:55
8:40
-0:26
25K
15.53 mi13:06:562:13:588:3722:14
9:10
+0:30
30K
18.64 mi13:37:392:44:418:5030:43
9:53
+0:43
20M
20.00 mi13:51:292:58:318:5613:50
10:11
+0:18
21M
21.00 mi14:02:413:09:439:0211:12
11:12
+1:01
35K
21.75 mi14:09:513:16:539:037:10
9:35
-1:37
23M
23.00 mi14:22:313:29:339:0712:40
10:07
+0:32
24M
24.00 mi14:32:103:39:129:089:39
9:39
-0:28
40K
24.85 mi14:40:443:47:469:108:34
10:01
+0:22
25.2M
25.20 mi14:44:363:51:389:123:52
11:13
+1:12
Finish
26.22 mi14:54:394:01:419:1310:03
9:52
-1:21

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

8:09 /mi

Average Pace

9:13 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:58

55% of race

Time at Steady Pace

1:06:09

27% of race

Time at Slower Pace

41:34

17% of race

Average Pace: 9:13 /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 mi11:18:1625:188:0925:18
8:09
#17675
10K
6.21 mi11:44:0151:038:1325:45
8:17
#18078
15K
9.32 mi12:10:301:17:328:1926:29
8:31
#18520
20K
12.43 mi12:38:471:45:498:3128:17
9:06
#19352
Half
13.11 mi12:44:421:51:448:315:55
8:40
#19409
25K
15.53 mi13:06:562:13:588:3722:14
9:10
#19643
30K
18.64 mi13:37:392:44:418:5030:43
9:53
#20063
20M
20.00 mi13:51:292:58:318:5613:50
10:11
#20198
21M
21.00 mi14:02:413:09:439:0211:12
11:12
#20356
35K
21.75 mi14:09:513:16:539:037:10
9:35
#20352
23M
23.00 mi14:22:313:29:339:0712:40
10:07
#20424
24M
24.00 mi14:32:103:39:129:089:39
9:39
#20445
40K
24.85 mi14:40:443:47:469:108:34
10:01
#20471
25.2M
25.20 mi14:44:363:51:389:123:52
11:13
#20501
Finish
26.22 mi14:54:394:01:419:1310:03
9:52
#20595
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17675114861148619470(Top 69%)12263(Top 76%)12263(Top 974%)
10K6.21 mi3.10 mi18078-40311650-16411650-16418463(Top 65%)11835(Top 73%)11835(Top 940%)
15K9.32 mi3.11 mi18520-44211832-18211832-18219470(Top 69%)12263(Top 76%)12263(Top 974%)
20K12.43 mi3.11 mi19352-83212187-35512187-35521448(Top 76%)13102(Top 81%)13102(Top 1041%)
Half13.11 mi0.68 mi19409-5712214-2712214-2720173(Top 71%)12541(Top 78%)12541(Top 996%)
25K15.53 mi2.42 mi19643-23412303-8912303-8920641(Top 73%)12691(Top 79%)12691(Top 1008%)
30K18.64 mi3.11 mi20063-42012451-14812451-14821255(Top 75%)12823(Top 80%)12823(Top 1019%)
20M20.00 mi1.36 mi20198-13512473-2212473-2221503(Top 76%)12816(Top 80%)12816(Top 1018%)
21M21.00 mi1.00 mi20356-15812528-5512528-5521896(Top 77%)12925(Top 80%)12925(Top 1027%)
35K21.75 mi0.75 mi20352+412511+1712511+1720596(Top 73%)12255(Top 76%)12255(Top 973%)
23M23.00 mi1.25 mi20424-7212522-1112522-1120860(Top 73%)12323(Top 77%)12323(Top 979%)
24M24.00 mi1.00 mi20445-2112517+512517+520185(Top 71%)11957(Top 74%)11957(Top 950%)
40K24.85 mi0.85 mi20471-2612511+612511+620504(Top 72%)12044(Top 75%)12044(Top 957%)
25.2M25.20 mi0.35 mi20501-3012517-612517-621236(Top 75%)12398(Top 77%)12398(Top 985%)
Finish26.22 mi1.02 mi20595-9412547-3012547-3022482(Top 79%)13014(Top 81%)13014(Top 1034%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19470

Males

12263

M60-64

12263

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18463

Males

11835

M60-64

11835

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19470

Males

12263

M60-64

12263

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21448

Males

13102

M60-64

13102

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20173

Males

12541

M60-64

12541

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20641

Males

12691

M60-64

12691

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21255

Males

12823

M60-64

12823

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21503

Males

12816

M60-64

12816

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21896

Males

12925

M60-64

12925

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20596

Males

12255

M60-64

12255

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20860

Males

12323

M60-64

12323

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20185

Males

11957

M60-64

11957

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20504

Males

12044

M60-64

12044

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21236

Males

12398

M60-64

12398

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22482

Males

13014

M60-64

13014

Passing Analysis

Category:
Athletes Passed
858
Passed By
3778
Net Change
-2920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17675
5K → 10K143546-403#17675#18078
10K → 15K78520-442#18078#18520
15K → 20K44876-832#18520#19352
20K → Half1572-57#19352#19409
Half → 25K99333-234#19409#19643
25K → 30K111531-420#19643#20063
30K → 20M63198-135#20063#20198
20M → 21M47205-158#20198#20356
21M → 35K5955+4#20356#20352
35K → 23M67139-72#20352#20424
23M → 24M4667-21#20424#20445
24M → 40K5480-26#20445#20471
40K → 25.2M1242-30#20471#20501
25.2M → Finish20114-94#20501#20595
TOTALS8583778-2920
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing