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BOSTON MARATHON 2025

Eric Cheung

Bib: 13460•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M50-54)
#0 / 1996
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #12761
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:34
Rank: #12062 (+699)
5K → 10K
23:04 | 7:25/mi
15K· 9.32 mi
1:09:18
Rank: #11396 (+666)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:32:02
Rank: #10803 (+593)
15K → 20K
22:44 | 7:19/mi
Half· 13.11 mi
1:36:59
Rank: #10736 (+67)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:39
Rank: #10271 (+465)
Half → 25K
17:40 | 7:17/mi
30K· 18.64 mi
2:18:04
Rank: #9756 (+515)
25K → 30K
23:25 | 7:32/mi
20M
2:28:03
Rank: #9397 (+359)
30K → 20M
9:59 | 7:21/mi
21M
2:35:40
Rank: #9091 (+306)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:41:02
Rank: #8948 (+143)
21M → 35K
5:22 | 7:10/mi
23M
2:50:02
Rank: #8562 (+386)
35K → 23M
9:00 | 7:11/mi
24M
2:57:01
Rank: #8291 (+271)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
3:03:03
Rank: #8100 (+191)
24M → 40K
6:02 | 7:03/mi
25.2M
3:05:39
Rank: #7987 (+113)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:12:30
Rank: #7741 (+246)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:31
Pace7:17 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5823:307:3423:30
7:34
-
10K
6.21 mi11:17:0246:347:3023:04
7:25
-0:09
15K
9.32 mi11:39:461:09:187:2622:44
7:19
-0:06
20K
12.43 mi12:02:301:32:027:2422:44
7:19
0:00
Half
13.11 mi12:07:271:36:597:244:57
7:15
-0:04
25K
15.53 mi12:25:071:54:397:2317:40
7:17
+0:02
30K
18.64 mi12:48:322:18:047:2423:25
7:32
+0:15
20M
20.00 mi12:58:312:28:037:249:59
7:21
-0:11
21M
21.00 mi13:06:082:35:407:257:37
7:37
+0:16
35K
21.75 mi13:11:302:41:027:245:22
7:10
-0:27
23M
23.00 mi13:20:302:50:027:249:00
7:11
+0:01
24M
24.00 mi13:27:292:57:017:236:59
6:59
-0:12
40K
24.85 mi13:33:313:03:037:226:02
7:03
+0:04
25.2M
25.20 mi13:36:073:05:397:222:36
7:32
+0:29
Finish
26.22 mi13:42:583:12:307:216:51
6:43
-0:49

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

6:43 /mi

Average Pace

7:21 /mi

Slowest Pace

7:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:18

58% of race

Time at Steady Pace

1:20:12

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:53:5823:307:3423:30
7:34
#12761
10K
6.21 mi11:17:0246:347:3023:04
7:25
#12062
15K
9.32 mi11:39:461:09:187:2622:44
7:19
#11396
20K
12.43 mi12:02:301:32:027:2422:44
7:19
#10803
Half
13.11 mi12:07:271:36:597:244:57
7:15
#10736
25K
15.53 mi12:25:071:54:397:2317:40
7:17
#10271
30K
18.64 mi12:48:322:18:047:2423:25
7:32
#9756
20M
20.00 mi12:58:312:28:037:249:59
7:21
#9397
21M
21.00 mi13:06:082:35:407:257:37
7:37
#9091
35K
21.75 mi13:11:302:41:027:245:22
7:10
#8948
23M
23.00 mi13:20:302:50:027:249:00
7:11
#8562
24M
24.00 mi13:27:292:57:017:236:59
6:59
#8291
40K
24.85 mi13:33:313:03:037:226:02
7:03
#8100
25.2M
25.20 mi13:36:073:05:397:222:36
7:32
#7987
Finish
26.22 mi13:42:583:12:307:216:51
6:43
#7741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi127619529952910108(Top 36%)8140(Top 51%)8140(Top 408%)
10K6.21 mi3.10 mi12062+6999181+3489181+34811381(Top 40%)8838(Top 55%)8838(Top 443%)
15K9.32 mi3.11 mi11396+6668838+3438838+34310108(Top 36%)8140(Top 51%)8140(Top 408%)
20K12.43 mi3.11 mi10803+5938528+3108528+3109164(Top 32%)7536(Top 47%)7536(Top 378%)
Half13.11 mi0.68 mi10736+678494+348494+349509(Top 33%)7744(Top 48%)7744(Top 388%)
25K15.53 mi2.42 mi10271+4658206+2888206+2888248(Top 29%)6909(Top 43%)6909(Top 346%)
30K18.64 mi3.11 mi9756+5157877+3297877+3297997(Top 28%)6583(Top 41%)6583(Top 330%)
20M20.00 mi1.36 mi9397+3597649+2287649+2286069(Top 21%)5250(Top 33%)5250(Top 263%)
21M21.00 mi1.00 mi9091+3067451+1987451+1985230(Top 18%)4551(Top 28%)4551(Top 228%)
35K21.75 mi0.75 mi8948+1437350+1017350+1016443(Top 23%)5357(Top 33%)5357(Top 268%)
23M23.00 mi1.25 mi8562+3867083+2677083+2674810(Top 17%)4186(Top 26%)4186(Top 210%)
24M24.00 mi1.00 mi8291+2716889+1946889+1944564(Top 16%)3957(Top 25%)3957(Top 198%)
40K24.85 mi0.85 mi8100+1916734+1556734+1554234(Top 15%)3671(Top 23%)3671(Top 184%)
25.2M25.20 mi0.35 mi7987+1136648+866648+863632(Top 13%)3176(Top 20%)3176(Top 159%)
Finish26.22 mi1.02 mi7741+2466470+1786470+1784029(Top 14%)3462(Top 21%)3462(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10108

Males

8140

M50-54

8140

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11381

Males

8838

M50-54

8838

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10108

Males

8140

M50-54

8140

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9164

Males

7536

M50-54

7536

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9509

Males

7744

M50-54

7744

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8248

Males

6909

M50-54

6909

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7997

Males

6583

M50-54

6583

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6069

Males

5250

M50-54

5250

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5230

Males

4551

M50-54

4551

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6443

Males

5357

M50-54

5357

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4810

Males

4186

M50-54

4186

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4564

Males

3957

M50-54

3957

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4234

Males

3671

M50-54

3671

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3632

Males

3176

M50-54

3176

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4029

Males

3462

M50-54

3462

Passing Analysis

Category:
Athletes Passed
5152*
Passed By
132
Net Change
+5020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12761
5K → 10K76162+699#12761#12062
10K → 15K67711+666#12062#11396
15K → 20K5985+593#11396#10803
20K → Half758+67#10803#10736
Half → 25K4705+465#10736#10271
25K → 30K538*23+515#10271#9756
30K → 20M3590+359#9756#9397
20M → 21M3060+306#9397#9091
21M → 35K1518+143#9091#8948
35K → 23M3882+386#8948#8562
23M → 24M2743+271#8562#8291
24M → 40K1921+191#8291#8100
40K → 25.2M1141+113#8100#7987
25.2M → Finish2493+246#7987#7741
TOTALS5152*132+5020

* 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