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BOSTON MARATHON 2025

Ryan Chan

Bib: 2356•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:32
Rank: #2359
Start → 5K
19:32 | 6:17/mi
10K· 6.21 mi
38:51
Rank: #2147 (+212)
5K → 10K
19:19 | 6:13/mi
15K· 9.32 mi
58:16
Rank: #2108 (+39)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:17:44
Rank: #2024 (+84)
15K → 20K
19:28 | 6:16/mi
Half· 13.11 mi
1:21:57
Rank: #2007 (+17)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:14
Rank: #1983 (+24)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
1:57:09
Rank: #1868 (+115)
25K → 30K
19:55 | 6:25/mi
20M
2:06:04
Rank: #1851 (+17)
30K → 20M
8:55 | 6:34/mi
21M
2:13:05
Rank: #1838 (+13)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:18:07
Rank: #1880 (-42)
21M → 35K
5:02 | 6:44/mi
23M
2:27:10
Rank: #2016 (-136)
35K → 23M
9:03 | 7:14/mi
24M
2:35:05
Rank: #2284 (-268)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
2:42:47
Rank: #2651 (-367)
24M → 40K
7:42 | 9:00/mi
25.2M
2:45:54
Rank: #2747 (-96)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
2:53:08
Rank: #2834 (-87)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:57
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2719:326:1719:32
6:17
-
10K
6.21 mi10:39:4638:516:1519:19
6:13
-0:04
15K
9.32 mi10:59:1158:166:1519:25
6:15
+0:02
20K
12.43 mi11:18:391:17:446:1519:28
6:16
+0:01
Half
13.11 mi11:22:521:21:576:154:13
6:11
-0:05
25K
15.53 mi11:38:091:37:146:1615:17
6:18
+0:07
30K
18.64 mi11:58:041:57:096:1719:55
6:25
+0:07
20M
20.00 mi12:06:592:06:046:188:55
6:34
+0:09
21M
21.00 mi12:14:002:13:056:207:01
7:01
+0:27
35K
21.75 mi12:19:022:18:076:215:02
6:44
-0:17
23M
23.00 mi12:28:052:27:106:249:03
7:14
+0:30
24M
24.00 mi12:36:002:35:056:287:55
7:55
+0:41
40K
24.85 mi12:43:422:42:476:337:42
9:00
+1:05
25.2M
25.20 mi12:46:492:45:546:353:07
9:02
+0:02
Finish
26.22 mi12:54:032:53:086:367:14
7:06
-1:56

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

6:11 /mi

Average Pace

6:36 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:18:07

80% of race

Time at Slower Pace

35:01

20% of race

Average Pace: 6:36 /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 mi10:20:2719:326:1719:32
6:17
#2359
10K
6.21 mi10:39:4638:516:1519:19
6:13
#2147
15K
9.32 mi10:59:1158:166:1519:25
6:15
#2108
20K
12.43 mi11:18:391:17:446:1519:28
6:16
#2024
Half
13.11 mi11:22:521:21:576:154:13
6:11
#2007
25K
15.53 mi11:38:091:37:146:1615:17
6:18
#1983
30K
18.64 mi11:58:041:57:096:1719:55
6:25
#1868
20M
20.00 mi12:06:592:06:046:188:55
6:34
#1851
21M
21.00 mi12:14:002:13:056:207:01
7:01
#1838
35K
21.75 mi12:19:022:18:076:215:02
6:44
#1880
23M
23.00 mi12:28:052:27:106:249:03
7:14
#2016
24M
24.00 mi12:36:002:35:056:287:55
7:55
#2284
40K
24.85 mi12:43:422:42:476:337:42
9:00
#2651
25.2M
25.20 mi12:46:492:45:546:353:07
9:02
#2747
Finish
26.22 mi12:54:032:53:086:367:14
7:06
#2834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2359224822482094(Top 7%)1997(Top 12%)1997(Top 35%)
10K6.21 mi3.10 mi2147+2122049+1992049+1992003(Top 7%)1907(Top 12%)1907(Top 34%)
15K9.32 mi3.11 mi2108+392011+382011+382094(Top 7%)1997(Top 12%)1997(Top 35%)
20K12.43 mi3.11 mi2024+841932+791932+791862(Top 7%)1773(Top 11%)1773(Top 31%)
Half13.11 mi0.68 mi2007+171917+151917+151884(Top 7%)1797(Top 11%)1797(Top 32%)
25K15.53 mi2.42 mi1983+241890+271890+271871(Top 7%)1779(Top 11%)1779(Top 32%)
30K18.64 mi3.11 mi1868+1151779+1111779+1111601(Top 6%)1518(Top 9%)1518(Top 27%)
20M20.00 mi1.36 mi1851+171760+191760+191863(Top 7%)1763(Top 11%)1763(Top 31%)
21M21.00 mi1.00 mi1838+131747+131747+132308(Top 8%)2154(Top 13%)2154(Top 38%)
35K21.75 mi0.75 mi1880-421785-381785-383631(Top 13%)3278(Top 20%)3278(Top 58%)
23M23.00 mi1.25 mi2016-1361916-1311916-1315008(Top 18%)4315(Top 27%)4315(Top 76%)
24M24.00 mi1.00 mi2284-2682174-2582174-25810608(Top 37%)7464(Top 46%)7464(Top 132%)
40K24.85 mi0.85 mi2651-3672513-3392513-33916279(Top 57%)10028(Top 62%)10028(Top 178%)
25.2M25.20 mi0.35 mi2747-962601-882601-8811886(Top 42%)7897(Top 49%)7897(Top 140%)
Finish26.22 mi1.02 mi2834-872681-802681-806321(Top 22%)4921(Top 31%)4921(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2094

Males

1997

M18-39

1997

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2003

Males

1907

M18-39

1907

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2094

Males

1997

M18-39

1997

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1862

Males

1773

M18-39

1773

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1884

Males

1797

M18-39

1797

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1871

Males

1779

M18-39

1779

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1601

Males

1518

M18-39

1518

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1863

Males

1763

M18-39

1763

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2308

Males

2154

M18-39

2154

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3631

Males

3278

M18-39

3278

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5008

Males

4315

M18-39

4315

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10608

Males

7464

M18-39

7464

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16279

Males

10028

M18-39

10028

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11886

Males

7897

M18-39

7897

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6321

Males

4921

M18-39

4921

Passing Analysis

Category:
Athletes Passed
812
Passed By
1287
Net Change
-475
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2359
5K → 10K25038+212#2359#2147
10K → 15K9051+39#2147#2108
15K → 20K10925+84#2108#2024
20K → Half203+17#2024#2007
Half → 25K6036+24#2007#1983
25K → 30K13924+115#1983#1868
30K → 20M4326+17#1868#1851
20M → 21M4330+13#1851#1838
21M → 35K1860-42#1838#1880
35K → 23M15151-136#1880#2016
23M → 24M8276-268#2016#2284
24M → 40K3370-367#2284#2651
40K → 25.2M298-96#2651#2747
25.2M → Finish1299-87#2747#2834
TOTALS8121287-475
📊

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