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BOSTON MARATHON 2025

Chen Yuen Cheng

Bib: 12369•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M55-59)
#0 / 1648
Top 17%
Race Day Weather
50°/40°F
broken 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
7:00/mi
21:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
43:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:05:49
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:28:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:33:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:52:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:16:33
↑ 181↓ 1480.2%
20M
8:03/mi
2:27:29
↑ 64↓ 500.2%
21M
8:09/mi
2:35:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:41:24
↑ 17↓ 861.7%
23M
8:19/mi
2:51:49
↑ 23↓ 630.6%
24M
8:13/mi
3:00:02
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:07:20
↓ 200.3%
25.2M
9:02/mi
3:10:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:17:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:38
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:44:12
Pace7:57 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0821:447:0021:44
7:00
-
10K
6.21 mi11:11:0743:437:0221:59
7:05
+0:05
15K
9.32 mi11:33:131:05:497:0422:06
7:07
+0:02
20K
12.43 mi11:56:041:28:407:0822:51
7:21
+0:14
Half
13.11 mi12:01:021:33:387:094:58
7:17
-0:04
25K
15.53 mi12:19:351:52:117:1318:33
7:39
+0:22
30K
18.64 mi12:43:572:16:337:2024:22
7:51
+0:12
20M
20.00 mi12:54:532:27:297:2210:56
8:03
+0:12
21M
21.00 mi13:03:022:35:387:258:09
8:09
+0:06
35K
21.75 mi13:08:482:41:247:255:46
7:42
-0:27
23M
23.00 mi13:19:132:51:497:2810:25
8:19
+0:37
24M
24.00 mi13:27:263:00:027:308:13
8:13
-0:06
40K
24.85 mi13:34:443:07:207:327:18
8:32
+0:19
25.2M
25.20 mi13:37:513:10:277:333:07
9:02
+0:30
Finish
26.22 mi13:45:143:17:507:337:23
7:15
-1:47

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

7:00 /mi

Average Pace

7:33 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:01

51% of race

Time at Steady Pace

48:41

25% of race

Time at Slower Pace

48:08

24% of race

Average Pace: 7:33 /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 mi10:49:0821:447:0021:44
7:00
#7780
10K
6.21 mi11:11:0743:437:0221:59
7:05
#8137
15K
9.32 mi11:33:131:05:497:0422:06
7:07
#8213
20K
12.43 mi11:56:041:28:407:0822:51
7:21
#8413
Half
13.11 mi12:01:021:33:387:094:58
7:17
#8478
25K
15.53 mi12:19:351:52:117:1318:33
7:39
#8871
30K
18.64 mi12:43:572:16:337:2024:22
7:51
#9061
20M
20.00 mi12:54:532:27:297:2210:56
8:03
#9180
21M
21.00 mi13:03:022:35:387:258:09
8:09
#9078
35K
21.75 mi13:08:482:41:247:255:46
7:42
#9103
23M
23.00 mi13:19:132:51:497:2810:25
8:19
#9235
24M
24.00 mi13:27:263:00:027:308:13
8:13
#9388
40K
24.85 mi13:34:443:07:207:327:18
8:32
#9547
25.2M
25.20 mi13:37:513:10:277:333:07
9:02
#9573
Finish
26.22 mi13:45:143:17:507:337:23
7:15
#9456
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7780685568558418(Top 30%)7191(Top 45%)7191(Top 436%)
10K6.21 mi3.10 mi8137-3577071-2167071-2168467(Top 30%)7276(Top 45%)7276(Top 442%)
15K9.32 mi3.11 mi8213-767108-377108-378418(Top 30%)7191(Top 45%)7191(Top 436%)
20K12.43 mi3.11 mi8413-2007203-957203-959495(Top 33%)7736(Top 48%)7736(Top 469%)
Half13.11 mi0.68 mi8478-657245-427245-429764(Top 34%)7892(Top 49%)7892(Top 479%)
25K15.53 mi2.42 mi8871-3937458-2137458-21311134(Top 39%)8447(Top 52%)8447(Top 513%)
30K18.64 mi3.11 mi9061-1907499-417499-4110225(Top 36%)7803(Top 48%)7803(Top 473%)
20M20.00 mi1.36 mi9180-1197539-407539-4010714(Top 38%)7891(Top 49%)7891(Top 479%)
21M21.00 mi1.00 mi9078+1027445+947445+948255(Top 29%)6406(Top 40%)6406(Top 389%)
35K21.75 mi0.75 mi9103-257434+117434+1110099(Top 36%)7409(Top 46%)7409(Top 450%)
23M23.00 mi1.25 mi9235-1327466-327466-3212130(Top 43%)8287(Top 51%)8287(Top 503%)
24M24.00 mi1.00 mi9388-1537520-547520-5412645(Top 45%)8471(Top 53%)8471(Top 514%)
40K24.85 mi0.85 mi9547-1597569-497569-4913631(Top 48%)8812(Top 55%)8812(Top 535%)
25.2M25.20 mi0.35 mi9573-267565+47565+411938(Top 42%)7949(Top 49%)7949(Top 482%)
Finish26.22 mi1.02 mi9456+1177461+1047461+1047351(Top 26%)5536(Top 34%)5536(Top 336%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8418

Males

7191

M55-59

7191

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8467

Males

7276

M55-59

7276

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8418

Males

7191

M55-59

7191

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9495

Males

7736

M55-59

7736

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9764

Males

7892

M55-59

7892

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11134

Males

8447

M55-59

8447

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10225

Males

7803

M55-59

7803

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10714

Males

7891

M55-59

7891

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8255

Males

6406

M55-59

6406

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10099

Males

7409

M55-59

7409

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12130

Males

8287

M55-59

8287

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12645

Males

8471

M55-59

8471

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13631

Males

8812

M55-59

8812

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11938

Males

7949

M55-59

7949

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7351

Males

5536

M55-59

5536

Passing Analysis

Category:
Athletes Passed
1145
Passed By
2821
Net Change
-1676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7780
5K → 10K89446-357#7780#8137
10K → 15K110186-76#8137#8213
15K → 20K108308-200#8213#8413
20K → Half1681-65#8413#8478
Half → 25K62455-393#8478#8871
25K → 30K162352-190#8871#9061
30K → 20M73192-119#9061#9180
20M → 21M14846+102#9180#9078
21M → 35K5075-25#9078#9103
35K → 23M76208-132#9103#9235
23M → 24M47200-153#9235#9388
24M → 40K34193-159#9388#9547
40K → 25.2M2551-26#9547#9573
25.2M → Finish14528+117#9573#9456
TOTALS11452821-1676
📊

Passing Visuals

Category:
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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