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BOSTON MARATHON 2025

Chin Pang Poon

Bib: 4451•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M45-49)
#0 / 2386
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:19
Rank: #1969
Start → 5K
19:19 | 6:13/mi
10K· 6.21 mi
39:54
Rank: #3213 (-1244)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:07
Rank: #4078 (-865)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:22:55
Rank: #4750 (-672)
15K → 20K
21:48 | 7:01/mi
Half· 13.11 mi
1:27:33
Rank: #4816 (-66)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:44:36
Rank: #5097 (-281)
Half → 25K
17:03 | 7:02/mi
30K· 18.64 mi
2:06:37
Rank: #5091 (+6)
25K → 30K
22:01 | 7:05/mi
20M
2:16:17
Rank: #5049 (+42)
30K → 20M
9:40 | 7:07/mi
21M
2:24:00
Rank: #5070 (-21)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:28:59
Rank: #4977 (+93)
21M → 35K
4:59 | 6:40/mi
23M
2:37:46
Rank: #4874 (+103)
35K → 23M
8:47 | 7:01/mi
24M
2:44:56
Rank: #4923 (-49)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:51:51
Rank: #5102 (-179)
24M → 40K
6:55 | 8:05/mi
25.2M
2:54:57
Rank: #5164 (-62)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:02:55
Rank: #5296 (-132)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:33
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:35:22
Pace7:16 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1419:196:1319:19
6:13
-
10K
6.21 mi10:41:4939:546:2520:35
6:38
+0:25
15K
9.32 mi11:03:021:01:076:3321:13
6:50
+0:12
20K
12.43 mi11:24:501:22:556:4021:48
7:01
+0:11
Half
13.11 mi11:29:281:27:336:414:38
6:47
-0:14
25K
15.53 mi11:46:311:44:366:4417:03
7:02
+0:15
30K
18.64 mi12:08:322:06:376:4822:01
7:05
+0:03
20M
20.00 mi12:18:122:16:176:499:40
7:07
+0:02
21M
21.00 mi12:25:552:24:006:517:43
7:43
+0:36
35K
21.75 mi12:30:542:28:596:514:59
6:40
-1:03
23M
23.00 mi12:39:412:37:466:528:47
7:01
+0:21
24M
24.00 mi12:46:512:44:566:527:10
7:10
+0:09
40K
24.85 mi12:53:462:51:516:556:55
8:05
+0:55
25.2M
25.20 mi12:56:522:54:576:573:06
8:59
+0:54
Finish
26.22 mi13:04:503:02:556:597:58
7:49
-1:10

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

6:13 /mi

Average Pace

6:59 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:53

25% of race

Time at Steady Pace

1:52:20

61% of race

Time at Slower Pace

25:42

14% of race

Average Pace: 6:59 /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 mi10:21:1419:196:1319:19
6:13
#1969
10K
6.21 mi10:41:4939:546:2520:35
6:38
#3213
15K
9.32 mi11:03:021:01:076:3321:13
6:50
#4078
20K
12.43 mi11:24:501:22:556:4021:48
7:01
#4750
Half
13.11 mi11:29:281:27:336:414:38
6:47
#4816
25K
15.53 mi11:46:311:44:366:4417:03
7:02
#5097
30K
18.64 mi12:08:322:06:376:4822:01
7:05
#5091
20M
20.00 mi12:18:122:16:176:499:40
7:07
#5049
21M
21.00 mi12:25:552:24:006:517:43
7:43
#5070
35K
21.75 mi12:30:542:28:596:514:59
6:40
#4977
23M
23.00 mi12:39:412:37:466:528:47
7:01
#4874
24M
24.00 mi12:46:512:44:566:527:10
7:10
#4923
40K
24.85 mi12:53:462:51:516:556:55
8:05
#5102
25.2M
25.20 mi12:56:522:54:576:573:06
8:59
#5164
Finish
26.22 mi13:04:503:02:556:597:58
7:49
#5296
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1969187218726382(Top 22%)5774(Top 36%)5774(Top 242%)
10K6.21 mi3.10 mi3213-12443055-11833055-11834668(Top 16%)4370(Top 27%)4370(Top 183%)
15K9.32 mi3.11 mi4078-8653845-7903845-7906382(Top 22%)5774(Top 36%)5774(Top 242%)
20K12.43 mi3.11 mi4750-6724432-5874432-5876966(Top 25%)6181(Top 38%)6181(Top 259%)
Half13.11 mi0.68 mi4816-664488-564488-566087(Top 21%)5508(Top 34%)5508(Top 231%)
25K15.53 mi2.42 mi5097-2814726-2384726-2386524(Top 23%)5778(Top 36%)5778(Top 242%)
30K18.64 mi3.11 mi5091+64687+394687+395243(Top 18%)4734(Top 29%)4734(Top 198%)
20M20.00 mi1.36 mi5049+424650+374650+374756(Top 17%)4297(Top 27%)4297(Top 180%)
21M21.00 mi1.00 mi5070-214658-84658-85727(Top 20%)4887(Top 30%)4887(Top 205%)
35K21.75 mi0.75 mi4977+934574+844574+843325(Top 12%)3041(Top 19%)3041(Top 127%)
23M23.00 mi1.25 mi4874+1034478+964478+963861(Top 14%)3474(Top 22%)3474(Top 146%)
24M24.00 mi1.00 mi4923-494509-314509-315613(Top 20%)4676(Top 29%)4676(Top 196%)
40K24.85 mi0.85 mi5102-1794647-1384647-13810738(Top 38%)7416(Top 46%)7416(Top 311%)
25.2M25.20 mi0.35 mi5164-624694-474694-4711636(Top 41%)7770(Top 48%)7770(Top 326%)
Finish26.22 mi1.02 mi5296-1324785-914785-9111521(Top 41%)7766(Top 48%)7766(Top 325%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6382

Males

5774

M45-49

5774

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4668

Males

4370

M45-49

4370

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6382

Males

5774

M45-49

5774

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6966

Males

6181

M45-49

6181

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

6087

Males

5508

M45-49

5508

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6524

Males

5778

M45-49

5778

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5243

Males

4734

M45-49

4734

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4756

Males

4297

M45-49

4297

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5727

Males

4887

M45-49

4887

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3325

Males

3041

M45-49

3041

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3861

Males

3474

M45-49

3474

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5613

Males

4676

M45-49

4676

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10738

Males

7416

M45-49

7416

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11636

Males

7770

M45-49

7770

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11521

Males

7766

M45-49

7766

Passing Analysis

Category:
Athletes Passed
738
Passed By
4065
Net Change
-3327
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1969
5K → 10K01244-1244#1969#3213
10K → 15K4869-865#3213#4078
15K → 20K20692-672#4078#4750
20K → Half571-66#4750#4816
Half → 25K49330-281#4816#5097
25K → 30K173167+6#5097#5091
30K → 20M9351+42#5091#5049
20M → 21M6586-21#5049#5070
21M → 35K10310+93#5070#4977
35K → 23M13532+103#4977#4874
23M → 24M4796-49#4874#4923
24M → 40K21200-179#4923#5102
40K → 25.2M769-62#5102#5164
25.2M → Finish16148-132#5164#5296
TOTALS7384065-3327
📊

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