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BOSTON MARATHON 2025

Hok Tin Chan

Bib: 29845•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:00
Rank: #16963
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
50:06
Rank: #16990 (-27)
5K → 10K
25:06 | 8:05/mi
15K· 9.32 mi
1:16:04
Rank: #17495 (-505)
10K → 15K
25:58 | 8:21/mi
20K· 12.43 mi
1:44:17
Rank: #18597 (-1102)
15K → 20K
28:13 | 9:05/mi
Half· 13.11 mi
1:50:05
Rank: #18621 (-24)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:13:12
Rank: #19357 (-736)
Half → 25K
23:07 | 9:32/mi
30K· 18.64 mi
2:45:05
Rank: #20164 (-807)
25K → 30K
31:53 | 10:16/mi
20M
2:58:35
Rank: #20211 (-47)
30K → 20M
13:30 | 9:56/mi
21M
3:09:42
Rank: #20354 (-143)
20M → 21M
11:07 | 11:07/mi
35K· 21.75 mi
3:17:24
Rank: #20485 (-131)
21M → 35K
7:42 | 10:18/mi
23M
3:31:26
Rank: #20795 (-310)
35K → 23M
14:02 | 11:12/mi
24M
3:42:07
Rank: #20949 (-154)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
3:50:49
Rank: #20950 (-1)
24M → 40K
8:42 | 10:11/mi
25.2M
3:55:07
Rank: #21016 (-66)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:04:33
Rank: #20978 (+38)
25.2M → Finish
9:26 | 9:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:05
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:14:28
Pace10:15 /mi
📊Positive Split: 22.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2125:008:0325:00
8:03
-
10K
6.21 mi12:08:2750:068:0425:06
8:05
+0:02
15K
9.32 mi12:34:251:16:048:1025:58
8:21
+0:16
20K
12.43 mi13:02:381:44:178:2328:13
9:05
+0:44
Half
13.11 mi13:08:261:50:058:245:48
8:30
-0:35
25K
15.53 mi13:31:332:13:128:3423:07
9:32
+1:02
30K
18.64 mi14:03:262:45:058:5131:53
10:16
+0:44
20M
20.00 mi14:16:562:58:358:5613:30
9:56
-0:20
21M
21.00 mi14:28:033:09:429:0211:07
11:07
+1:11
35K
21.75 mi14:35:453:17:249:057:42
10:18
-0:49
23M
23.00 mi14:49:473:31:269:1214:02
11:12
+0:54
24M
24.00 mi15:00:283:42:079:1510:41
10:41
-0:31
40K
24.85 mi15:09:103:50:499:178:42
10:11
-0:30
25.2M
25.20 mi15:13:283:55:079:204:18
12:28
+2:17
Finish
26.22 mi15:22:544:04:339:209:26
9:15
-3:13

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

8:03 /mi

Average Pace

9:20 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:31

49% of race

Time at Steady Pace

1:24:54

35% of race

Time at Slower Pace

40:08

16% of race

Average Pace: 9:20 /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 mi11:43:2125:008:0325:00
8:03
#16963
10K
6.21 mi12:08:2750:068:0425:06
8:05
#16990
15K
9.32 mi12:34:251:16:048:1025:58
8:21
#17495
20K
12.43 mi13:02:381:44:178:2328:13
9:05
#18597
Half
13.11 mi13:08:261:50:058:245:48
8:30
#18621
25K
15.53 mi13:31:332:13:128:3423:07
9:32
#19357
30K
18.64 mi14:03:262:45:058:5131:53
10:16
#20164
20M
20.00 mi14:16:562:58:358:5613:30
9:56
#20211
21M
21.00 mi14:28:033:09:429:0211:07
11:07
#20354
35K
21.75 mi14:35:453:17:249:057:42
10:18
#20485
23M
23.00 mi14:49:473:31:269:1214:02
11:12
#20795
24M
24.00 mi15:00:283:42:079:1510:41
10:41
#20949
40K
24.85 mi15:09:103:50:499:178:42
10:11
#20950
25.2M
25.20 mi15:13:283:55:079:204:18
12:28
#21016
Finish
26.22 mi15:22:544:04:339:209:26
9:15
#20978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16963111971119718428(Top 65%)11809(Top 73%)11809(Top 209%)
10K6.21 mi3.10 mi16990-2711221-2411221-2417053(Top 60%)11270(Top 70%)11270(Top 200%)
15K9.32 mi3.11 mi17495-50511434-21311434-21318428(Top 65%)11809(Top 73%)11809(Top 209%)
20K12.43 mi3.11 mi18597-110211872-43811872-43821364(Top 75%)13067(Top 81%)13067(Top 232%)
Half13.11 mi0.68 mi18621-2411876-411876-419194(Top 68%)12142(Top 75%)12142(Top 215%)
25K15.53 mi2.42 mi19357-73612181-30512181-30521967(Top 77%)13275(Top 82%)13275(Top 235%)
30K18.64 mi3.11 mi20164-80712490-30912490-30922342(Top 79%)13316(Top 83%)13316(Top 236%)
20M20.00 mi1.36 mi20211-4712482+812482+820708(Top 73%)12457(Top 77%)12457(Top 221%)
21M21.00 mi1.00 mi20354-14312526-4412526-4421688(Top 76%)12824(Top 80%)12824(Top 227%)
35K21.75 mi0.75 mi20485-13112573-4712573-4722654(Top 80%)13228(Top 82%)13228(Top 234%)
23M23.00 mi1.25 mi20795-31012690-11712690-11723682(Top 83%)13679(Top 85%)13679(Top 242%)
24M24.00 mi1.00 mi20949-15412745-5512745-5523268(Top 82%)13439(Top 83%)13439(Top 238%)
40K24.85 mi0.85 mi20950-112723+2212723+2220996(Top 74%)12277(Top 76%)12277(Top 218%)
25.2M25.20 mi0.35 mi21016-6612740-1712740-1724112(Top 85%)13815(Top 86%)13815(Top 245%)
Finish26.22 mi1.02 mi20978+3812712+2812712+2820200(Top 71%)11898(Top 74%)11898(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18428

Males

11809

M18-39

11809

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17053

Males

11270

M18-39

11270

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18428

Males

11809

M18-39

11809

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21364

Males

13067

M18-39

13067

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19194

Males

12142

M18-39

12142

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21967

Males

13275

M18-39

13275

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22342

Males

13316

M18-39

13316

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20708

Males

12457

M18-39

12457

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21688

Males

12824

M18-39

12824

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22654

Males

13228

M18-39

13228

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23682

Males

13679

M18-39

13679

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23268

Males

13439

M18-39

13439

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20996

Males

12277

M18-39

12277

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24112

Males

13815

M18-39

13815

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20200

Males

11898

M18-39

11898

Passing Analysis

Category:
Athletes Passed
861
Passed By
4876
Net Change
-4015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16963
5K → 10K286313-27#16963#16990
10K → 15K76581-505#16990#17495
15K → 20K271129-1102#17495#18597
20K → Half2852-24#18597#18621
Half → 25K39775-736#18621#19357
25K → 30K55862-807#19357#20164
30K → 20M82129-47#20164#20211
20M → 21M50193-143#20211#20354
21M → 35K29160-131#20354#20485
35K → 23M31341-310#20485#20795
23M → 24M24178-154#20795#20949
24M → 40K5758-1#20949#20950
40K → 25.2M1076-66#20950#21016
25.2M → Finish6729+38#21016#20978
TOTALS8614876-4015
📊

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