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BOSTON MARATHON 2025

Calvin Van Ryzin

Bib: 3016•M

MT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:53
Rank: #1343
Start → 5K
6:05/mi
18:53 split
10K· 6.21 mi
37:53
Rank: #1418 (-75)
5K → 10K
6:07/mi
19:00 split
15K· 9.32 mi
57:22
Rank: #1633 (-215)
10K → 15K
6:16/mi
19:29 split
20K· 12.43 mi
1:17:43
Rank: #2018 (-385)
15K → 20K
6:33/mi
20:21 split
Half· 13.11 mi
1:22:01
Rank: #2046 (-28)
20K → Half
6:18/mi
4:18 split
25K· 15.53 mi
1:37:35
Rank: #2091 (-45)
Half → 25K
6:25/mi
15:34 split
30K· 18.64 mi
1:57:52
Rank: #2061 (+30)
25K → 30K
6:32/mi
20:17 split
20M
2:06:50
Rank: #2025 (+36)
30K → 20M
6:36/mi
8:58 split
21M
2:13:43
Rank: #1994 (+31)
20M → 21M
6:53/mi
6:53 split
35K· 21.75 mi
2:18:29
Rank: #1971 (+23)
21M → 35K
6:22/mi
4:46 split
23M
2:26:44
Rank: #1917 (+54)
35K → 23M
6:35/mi
8:15 split
24M
2:33:10
Rank: #1890 (+27)
23M → 24M
6:26/mi
6:26 split
40K· 24.85 mi
2:38:47
Rank: #1863 (+27)
24M → 40K
6:34/mi
5:37 split
25.2M
2:41:20
Rank: #1872 (-9)
40K → 25.2M
7:24/mi
2:33 split
Finish· 26.22 mi
2:47:52
Rank: #1858 (+14)
25.2M → Finish
6:25/mi
6:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:01
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:25:51
Pace6:33 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4218:536:0518:53
6:05
-
10K
6.21 mi10:39:4237:536:0619:00
6:07
+0:02
15K
9.32 mi10:59:1157:226:0919:29
6:16
+0:09
20K
12.43 mi11:19:321:17:436:1520:21
6:33
+0:17
Half
13.11 mi11:23:501:22:016:154:18
6:18
-0:15
25K
15.53 mi11:39:241:37:356:1715:34
6:25
+0:07
30K
18.64 mi11:59:411:57:526:1920:17
6:32
+0:07
20M
20.00 mi12:08:392:06:506:208:58
6:36
+0:04
21M
21.00 mi12:15:322:13:436:226:53
6:53
+0:17
35K
21.75 mi12:20:182:18:296:224:46
6:22
-0:31
23M
23.00 mi12:28:332:26:446:238:15
6:35
+0:13
24M
24.00 mi12:34:592:33:106:236:26
6:26
-0:09
40K
24.85 mi12:40:362:38:476:235:37
6:34
+0:08
25.2M
25.20 mi12:43:092:41:206:242:33
7:24
+0:50
Finish
26.22 mi12:49:412:47:526:246:32
6:25
-0:59

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

6:05 /mi

Average Pace

6:24 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:22

34% of race

Time at Steady Pace

1:32:06

55% of race

Time at Slower Pace

18:24

11% of race

Average Pace: 6:24 /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 mi10:20:4218:536:0518:53
6:05
#1343
10K
6.21 mi10:39:4237:536:0619:00
6:07
#1418
15K
9.32 mi10:59:1157:226:0919:29
6:16
#1633
20K
12.43 mi11:19:321:17:436:1520:21
6:33
#2018
Half
13.11 mi11:23:501:22:016:154:18
6:18
#2046
25K
15.53 mi11:39:241:37:356:1715:34
6:25
#2091
30K
18.64 mi11:59:411:57:526:1920:17
6:32
#2061
20M
20.00 mi12:08:392:06:506:208:58
6:36
#2025
21M
21.00 mi12:15:322:13:436:226:53
6:53
#1994
35K
21.75 mi12:20:182:18:296:224:46
6:22
#1971
23M
23.00 mi12:28:332:26:446:238:15
6:35
#1917
24M
24.00 mi12:34:592:33:106:236:26
6:26
#1890
40K
24.85 mi12:40:362:38:476:235:37
6:34
#1863
25.2M
25.20 mi12:43:092:41:206:242:33
7:24
#1872
Finish
26.22 mi12:49:412:47:526:246:32
6:25
#1858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1343127812782214(Top 8%)2110(Top 13%)2110(Top 37%)
10K6.21 mi3.10 mi1418-751349-711349-711533(Top 5%)1456(Top 9%)1456(Top 26%)
15K9.32 mi3.11 mi1633-2151554-2051554-2052214(Top 8%)2110(Top 13%)2110(Top 37%)
20K12.43 mi3.11 mi2018-3851926-3721926-3723410(Top 12%)3229(Top 20%)3229(Top 57%)
Half13.11 mi0.68 mi2046-281954-281954-282551(Top 9%)2440(Top 15%)2440(Top 43%)
25K15.53 mi2.42 mi2091-451994-401994-402478(Top 9%)2356(Top 15%)2356(Top 42%)
30K18.64 mi3.11 mi2061+301965+291965+292114(Top 7%)2007(Top 12%)2007(Top 36%)
20M20.00 mi1.36 mi2025+361929+361929+362033(Top 7%)1923(Top 12%)1923(Top 34%)
21M21.00 mi1.00 mi1994+311897+321897+321837(Top 6%)1732(Top 11%)1732(Top 31%)
35K21.75 mi0.75 mi1971+231874+231874+231920(Top 7%)1804(Top 11%)1804(Top 32%)
23M23.00 mi1.25 mi1917+541819+551819+551801(Top 6%)1687(Top 10%)1687(Top 30%)
24M24.00 mi1.00 mi1890+271792+271792+271810(Top 6%)1686(Top 10%)1686(Top 30%)
40K24.85 mi0.85 mi1863+271765+271765+271877(Top 7%)1731(Top 11%)1731(Top 31%)
25.2M25.20 mi0.35 mi1872-91774-91774-92940(Top 10%)2619(Top 16%)2619(Top 46%)
Finish26.22 mi1.02 mi1858+141758+161758+162370(Top 8%)2162(Top 13%)2162(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2214

Males

2110

M18-39

2110

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1533

Males

1456

M18-39

1456

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2214

Males

2110

M18-39

2110

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3410

Males

3229

M18-39

3229

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2551

Males

2440

M18-39

2440

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2478

Males

2356

M18-39

2356

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

2114

Males

2007

M18-39

2007

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

2033

Males

1923

M18-39

1923

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1837

Males

1732

M18-39

1732

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1920

Males

1804

M18-39

1804

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1801

Males

1687

M18-39

1687

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1810

Males

1686

M18-39

1686

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1877

Males

1731

M18-39

1731

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2940

Males

2619

M18-39

2619

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2370

Males

2162

M18-39

2162

Passing Analysis

Category:
Athletes Passed
542
Passed By
1057
Net Change
-515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1343
5K → 10K38113-75#1343#1418
10K → 15K13228-215#1418#1633
15K → 20K13398-385#1633#2018
20K → Half331-28#2018#2046
Half → 25K3883-45#2046#2091
25K → 30K8151+30#2091#2061
30K → 20M6125+36#2061#2025
20M → 21M4615+31#2025#1994
21M → 35K4118+23#1994#1971
35K → 23M7218+54#1971#1917
23M → 24M4619+27#1917#1890
24M → 40K4114+27#1890#1863
40K → 25.2M918-9#1863#1872
25.2M → Finish4026+14#1872#1858
TOTALS5421057-515
📊

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