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BOSTON MARATHON 2025

Chun Hung Tse

Bib: 5876•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #5228
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:42
Rank: #5478 (-250)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:58
Rank: #5769 (-291)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:25:08
Rank: #6411 (-642)
15K → 20K
22:10 | 7:08/mi
Half· 13.11 mi
1:29:52
Rank: #6462 (-51)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:47:36
Rank: #6775 (-313)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:11:53
Rank: #7181 (-406)
25K → 30K
24:17 | 7:49/mi
20M
2:22:46
Rank: #7320 (-139)
30K → 20M
10:53 | 8:01/mi
21M
2:31:34
Rank: #7507 (-187)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:37:28
Rank: #7614 (-107)
21M → 35K
5:54 | 7:53/mi
23M
2:47:57
Rank: #7828 (-214)
35K → 23M
10:29 | 8:22/mi
24M
2:56:08
Rank: #8015 (-187)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:03:09
Rank: #8133 (-118)
24M → 40K
7:01 | 8:12/mi
25.2M
3:06:22
Rank: #8207 (-74)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:14:38
Rank: #8425 (-218)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:52
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:44:46
Pace8:00 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5720:446:4020:44
6:40
-
10K
6.21 mi10:45:5541:426:4320:58
6:45
+0:05
15K
9.32 mi11:07:111:02:586:4521:16
6:51
+0:06
20K
12.43 mi11:29:211:25:086:5122:10
7:08
+0:17
Half
13.11 mi11:34:051:29:526:514:44
6:56
-0:12
25K
15.53 mi11:51:491:47:366:5617:44
7:19
+0:23
30K
18.64 mi12:16:062:11:537:0424:17
7:49
+0:30
20M
20.00 mi12:26:592:22:467:0810:53
8:01
+0:12
21M
21.00 mi12:35:472:31:347:138:48
8:48
+0:47
35K
21.75 mi12:41:412:37:287:145:54
7:53
-0:55
23M
23.00 mi12:52:102:47:577:1810:29
8:22
+0:29
24M
24.00 mi13:00:212:56:087:208:11
8:11
-0:11
40K
24.85 mi13:07:223:03:097:227:01
8:12
+0:01
25.2M
25.20 mi13:10:353:06:227:243:13
9:20
+1:08
Finish
26.22 mi13:18:513:14:387:268:16
8:07
-1:13

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

6:40 /mi

Average Pace

7:26 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:36

55% of race

Time at Steady Pace

1:04:32

33% of race

Time at Slower Pace

22:30

12% of race

Average Pace: 7:25 /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 mi10:24:5720:446:4020:44
6:40
#5228
10K
6.21 mi10:45:5541:426:4320:58
6:45
#5478
15K
9.32 mi11:07:111:02:586:4521:16
6:51
#5769
20K
12.43 mi11:29:211:25:086:5122:10
7:08
#6411
Half
13.11 mi11:34:051:29:526:514:44
6:56
#6462
25K
15.53 mi11:51:491:47:366:5617:44
7:19
#6775
30K
18.64 mi12:16:062:11:537:0424:17
7:49
#7181
20M
20.00 mi12:26:592:22:467:0810:53
8:01
#7320
21M
21.00 mi12:35:472:31:347:138:48
8:48
#7507
35K
21.75 mi12:41:412:37:287:145:54
7:53
#7614
23M
23.00 mi12:52:102:47:577:1810:29
8:22
#7828
24M
24.00 mi13:00:212:56:087:208:11
8:11
#8015
40K
24.85 mi13:07:223:03:097:227:01
8:12
#8133
25.2M
25.20 mi13:10:353:06:227:243:13
9:20
#8207
Finish
26.22 mi13:18:513:14:387:268:16
8:07
#8425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5228487048706529(Top 23%)5891(Top 37%)5891(Top 262%)
10K6.21 mi3.10 mi5478-2505065-1955065-1955838(Top 21%)5346(Top 33%)5346(Top 238%)
15K9.32 mi3.11 mi5769-2915305-2405305-2406529(Top 23%)5891(Top 37%)5891(Top 262%)
20K12.43 mi3.11 mi6411-6425807-5025807-5027716(Top 27%)6687(Top 42%)6687(Top 298%)
Half13.11 mi0.68 mi6462-515846-395846-397165(Top 25%)6342(Top 39%)6342(Top 282%)
25K15.53 mi2.42 mi6775-3136083-2376083-2378453(Top 30%)7033(Top 44%)7033(Top 313%)
30K18.64 mi3.11 mi7181-4066335-2526335-25210056(Top 35%)7710(Top 48%)7710(Top 343%)
20M20.00 mi1.36 mi7320-1396405-706405-7010475(Top 37%)7768(Top 48%)7768(Top 346%)
21M21.00 mi1.00 mi7507-1876490-856490-8512256(Top 43%)8481(Top 53%)8481(Top 377%)
35K21.75 mi0.75 mi7614-1076544-546544-5411401(Top 40%)8035(Top 50%)8035(Top 358%)
23M23.00 mi1.25 mi7828-2146630-866630-8612473(Top 44%)8451(Top 52%)8451(Top 376%)
24M24.00 mi1.00 mi8015-1876707-776707-7712422(Top 44%)8373(Top 52%)8373(Top 373%)
40K24.85 mi0.85 mi8133-1186761-546761-5411555(Top 41%)7833(Top 49%)7833(Top 349%)
25.2M25.20 mi0.35 mi8207-746791-306791-3013504(Top 48%)8674(Top 54%)8674(Top 386%)
Finish26.22 mi1.02 mi8425-2186891-1006891-10013632(Top 48%)8821(Top 55%)8821(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6529

Males

5891

M40-44

5891

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5838

Males

5346

M40-44

5346

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6529

Males

5891

M40-44

5891

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7716

Males

6687

M40-44

6687

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7165

Males

6342

M40-44

6342

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8453

Males

7033

M40-44

7033

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10056

Males

7710

M40-44

7710

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10475

Males

7768

M40-44

7768

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12256

Males

8481

M40-44

8481

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11401

Males

8035

M40-44

8035

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12473

Males

8451

M40-44

8451

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12422

Males

8373

M40-44

8373

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11555

Males

7833

M40-44

7833

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13504

Males

8674

M40-44

8674

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13632

Males

8821

M40-44

8821

Passing Analysis

Category:
Athletes Passed
613
Passed By
3810
Net Change
-3197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5228
5K → 10K95345-250#5228#5478
10K → 15K50341-291#5478#5769
15K → 20K39681-642#5769#6411
20K → Half1061-51#6411#6462
Half → 25K57370-313#6462#6775
25K → 30K80486-406#6775#7181
30K → 20M63202-139#7181#7320
20M → 21M37224-187#7320#7507
21M → 35K29136-107#7507#7614
35K → 23M52266-214#7614#7828
23M → 24M34221-187#7828#8015
24M → 40K38156-118#8015#8133
40K → 25.2M1286-74#8133#8207
25.2M → Finish17235-218#8207#8425
TOTALS6133810-3197
📊

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