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BOSTON MARATHON 2025

Yong Park

Bib: 10470•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Masters (Masters Men)
#0 / 10463
Top 23%
Division (M55-59)
#0 / 1648
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:17
Rank: #6704
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
42:36
Rank: #6797 (-93)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:04:11
Rank: #6967 (-170)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:25:52
Rank: #6894 (+73)
15K → 20K
21:41 | 6:59/mi
Half· 13.11 mi
1:30:33
Rank: #6877 (+17)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:47:35
Rank: #6767 (+110)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:10:28
Rank: #6656 (+111)
25K → 30K
22:53 | 7:22/mi
20M
2:20:48
Rank: #6647 (+9)
30K → 20M
10:20 | 7:36/mi
21M
2:28:58
Rank: #6659 (-12)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:34:24
Rank: #6626 (+33)
21M → 35K
5:26 | 7:16/mi
23M
2:44:06
Rank: #6626
35K → 23M
9:42 | 7:45/mi
24M
2:51:52
Rank: #6710 (-84)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
2:58:23
Rank: #6688 (+22)
24M → 40K
6:31 | 7:37/mi
25.2M
3:01:21
Rank: #6722 (-34)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:08:58
Rank: #6753 (-31)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:33
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:38:25
Pace7:30 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5521:176:5121:17
6:51
-
10K
6.21 mi11:33:1442:366:5121:19
6:52
+0:01
15K
9.32 mi11:54:491:04:116:5321:35
6:57
+0:05
20K
12.43 mi12:16:301:25:526:5521:41
6:59
+0:02
Half
13.11 mi12:21:111:30:336:544:41
6:52
-0:07
25K
15.53 mi12:38:131:47:356:5617:02
7:02
+0:10
30K
18.64 mi13:01:062:10:287:0022:53
7:22
+0:20
20M
20.00 mi13:11:262:20:487:0210:20
7:36
+0:14
21M
21.00 mi13:19:362:28:587:068:10
8:10
+0:34
35K
21.75 mi13:25:022:34:247:065:26
7:16
-0:54
23M
23.00 mi13:34:442:44:067:089:42
7:45
+0:29
24M
24.00 mi13:42:302:51:527:107:46
7:46
+0:01
40K
24.85 mi13:49:012:58:237:116:31
7:37
-0:09
25.2M
25.20 mi13:51:593:01:217:122:58
8:36
+0:59
Finish
26.22 mi13:59:363:08:587:137:37
7:28
-1:08

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

6:51 /mi

Average Pace

7:13 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:35

57% of race

Time at Steady Pace

52:47

28% of race

Time at Slower Pace

28:36

15% of race

Average Pace: 7:12 /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 mi11:11:5521:176:5121:17
6:51
#6704
10K
6.21 mi11:33:1442:366:5121:19
6:52
#6797
15K
9.32 mi11:54:491:04:116:5321:35
6:57
#6967
20K
12.43 mi12:16:301:25:526:5521:41
6:59
#6894
Half
13.11 mi12:21:111:30:336:544:41
6:52
#6877
25K
15.53 mi12:38:131:47:356:5617:02
7:02
#6767
30K
18.64 mi13:01:062:10:287:0022:53
7:22
#6656
20M
20.00 mi13:11:262:20:487:0210:20
7:36
#6647
21M
21.00 mi13:19:362:28:587:068:10
8:10
#6659
35K
21.75 mi13:25:022:34:247:065:26
7:16
#6626
23M
23.00 mi13:34:442:44:067:089:42
7:45
#6626
24M
24.00 mi13:42:302:51:527:107:46
7:46
#6710
40K
24.85 mi13:49:012:58:237:116:31
7:37
#6688
25.2M
25.20 mi13:51:593:01:217:122:58
8:36
#6722
Finish
26.22 mi13:59:363:08:587:137:37
7:28
#6753
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6704607960797276(Top 26%)6454(Top 40%)6454(Top 392%)
10K6.21 mi3.10 mi6797-936137-586137-586963(Top 25%)6250(Top 39%)6250(Top 379%)
15K9.32 mi3.11 mi6967-1706260-1236260-1237276(Top 26%)6454(Top 40%)6454(Top 392%)
20K12.43 mi3.11 mi6894+736199+616199+616751(Top 24%)6016(Top 37%)6016(Top 365%)
Half13.11 mi0.68 mi6877+176182+176182+176658(Top 23%)5954(Top 37%)5954(Top 361%)
25K15.53 mi2.42 mi6767+1106077+1056077+1056480(Top 23%)5755(Top 36%)5755(Top 349%)
30K18.64 mi3.11 mi6656+1115950+1275950+1276846(Top 24%)5875(Top 36%)5875(Top 356%)
20M20.00 mi1.36 mi6647+95918+325918+327697(Top 27%)6253(Top 39%)6253(Top 379%)
21M21.00 mi1.00 mi6659-125907+115907+118344(Top 29%)6444(Top 40%)6444(Top 391%)
35K21.75 mi0.75 mi6626+335867+405867+406968(Top 25%)5678(Top 35%)5678(Top 345%)
23M23.00 mi1.25 mi66265834+335834+338181(Top 29%)6265(Top 39%)6265(Top 380%)
24M24.00 mi1.00 mi6710-845867-335867-339523(Top 34%)6915(Top 43%)6915(Top 420%)
40K24.85 mi0.85 mi6688+225826+415826+417527(Top 26%)5732(Top 36%)5732(Top 348%)
25.2M25.20 mi0.35 mi6722-345830-45830-49337(Top 33%)6589(Top 41%)6589(Top 400%)
Finish26.22 mi1.02 mi6753-31583058308981(Top 32%)6421(Top 40%)6421(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7276

Males

6454

M55-59

6454

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6963

Males

6250

M55-59

6250

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7276

Males

6454

M55-59

6454

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6751

Males

6016

M55-59

6016

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6658

Males

5954

M55-59

5954

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6480

Males

5755

M55-59

5755

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6846

Males

5875

M55-59

5875

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7697

Males

6253

M55-59

6253

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8344

Males

6444

M55-59

6444

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6968

Males

5678

M55-59

5678

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8181

Males

6265

M55-59

6265

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9523

Males

6915

M55-59

6915

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7527

Males

5732

M55-59

5732

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9337

Males

6589

M55-59

6589

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8981

Males

6421

M55-59

6421

Passing Analysis

Category:
Athletes Passed
1375
Passed By
1424
Net Change
-49
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6704
5K → 10K158251-93#6704#6797
10K → 15K88258-170#6797#6967
15K → 20K180107+73#6967#6894
20K → Half4023+17#6894#6877
Half → 25K16757+110#6877#6767
25K → 30K233122+111#6767#6656
30K → 20M9182+9#6656#6647
20M → 21M6981-12#6647#6659
21M → 35K7138+33#6659#6626
35K → 23M86860#6626#6626
23M → 24M43127-84#6626#6710
24M → 40K8058+22#6710#6688
40K → 25.2M2357-34#6688#6722
25.2M → Finish4677-31#6722#6753
TOTALS13751424-49
📊

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