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BOSTON MARATHON 2025

Justin Van Riper

Bib: 4312•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M40-44)
#0 / 2247
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #4936
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
40:21
Rank: #3728 (+1208)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
1:00:04
Rank: #3286 (+442)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:20:21
Rank: #3259 (+27)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:24:46
Rank: #3279 (-20)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:50
Rank: #3313 (-34)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:02:37
Rank: #3512 (-199)
25K → 30K
21:47 | 7:01/mi
20M
2:12:37
Rank: #3651 (-139)
30K → 20M
10:00 | 7:22/mi
21M
2:20:24
Rank: #3757 (-106)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:25:55
Rank: #3881 (-124)
21M → 35K
5:31 | 7:22/mi
23M
2:35:18
Rank: #4037 (-156)
35K → 23M
9:23 | 7:30/mi
24M
2:42:38
Rank: #4131 (-94)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:48:45
Rank: #4133 (-2)
24M → 40K
6:07 | 7:09/mi
25.2M
2:51:25
Rank: #4148 (-15)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:58:20
Rank: #4123 (+25)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:46
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:33:34
Pace7:08 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3720:386:3820:38
6:38
-
10K
6.21 mi11:06:2040:216:3019:43
6:21
-0:17
15K
9.32 mi11:26:031:00:046:2719:43
6:21
0:00
20K
12.43 mi11:46:201:20:216:2820:17
6:32
+0:11
Half
13.11 mi11:50:451:24:466:284:25
6:28
-0:04
25K
15.53 mi12:06:491:40:506:2916:04
6:38
+0:10
30K
18.64 mi12:28:362:02:376:3521:47
7:01
+0:23
20M
20.00 mi12:38:362:12:376:3810:00
7:22
+0:21
21M
21.00 mi12:46:232:20:246:417:47
7:47
+0:25
35K
21.75 mi12:51:542:25:556:435:31
7:22
-0:25
23M
23.00 mi13:01:172:35:186:459:23
7:30
+0:08
24M
24.00 mi13:08:372:42:386:477:20
7:20
-0:10
40K
24.85 mi13:14:442:48:456:476:07
7:09
-0:11
25.2M
25.20 mi13:17:242:51:256:482:40
7:44
+0:35
Finish
26.22 mi13:24:192:58:206:486:55
6:47
-0:57

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

6:21 /mi

Average Pace

6:48 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:50

57% of race

Time at Steady Pace

34:49

20% of race

Time at Slower Pace

42:41

24% of race

Average Pace: 6:48 /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 mi10:46:3720:386:3820:38
6:38
#4936
10K
6.21 mi11:06:2040:216:3019:43
6:21
#3728
15K
9.32 mi11:26:031:00:046:2719:43
6:21
#3286
20K
12.43 mi11:46:201:20:216:2820:17
6:32
#3259
Half
13.11 mi11:50:451:24:466:284:25
6:28
#3279
25K
15.53 mi12:06:491:40:506:2916:04
6:38
#3313
30K
18.64 mi12:28:362:02:376:3521:47
7:01
#3512
20M
20.00 mi12:38:362:12:376:3810:00
7:22
#3651
21M
21.00 mi12:46:232:20:246:417:47
7:47
#3757
35K
21.75 mi12:51:542:25:556:435:31
7:22
#3881
23M
23.00 mi13:01:172:35:186:459:23
7:30
#4037
24M
24.00 mi13:08:372:42:386:477:20
7:20
#4131
40K
24.85 mi13:14:442:48:456:476:07
7:09
#4133
25.2M
25.20 mi13:17:242:51:256:482:40
7:44
#4148
Finish
26.22 mi13:24:192:58:206:486:55
6:47
#4123
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4936462046202613(Top 9%)2493(Top 15%)2493(Top 111%)
10K6.21 mi3.10 mi3728+12083532+10883532+10882716(Top 10%)2587(Top 16%)2587(Top 115%)
15K9.32 mi3.11 mi3286+4423124+4083124+4082613(Top 9%)2493(Top 15%)2493(Top 111%)
20K12.43 mi3.11 mi3259+273102+223102+223288(Top 12%)3115(Top 19%)3115(Top 139%)
Half13.11 mi0.68 mi3279-203122-203122-203495(Top 12%)3311(Top 21%)3311(Top 147%)
25K15.53 mi2.42 mi3313-343149-273149-273628(Top 13%)3415(Top 21%)3415(Top 152%)
30K18.64 mi3.11 mi3512-1993319-1703319-1704740(Top 17%)4318(Top 27%)4318(Top 192%)
20M20.00 mi1.36 mi3651-1393443-1243443-1246099(Top 21%)5255(Top 33%)5255(Top 234%)
21M21.00 mi1.00 mi3757-1063532-893532-896056(Top 21%)5082(Top 32%)5082(Top 226%)
35K21.75 mi0.75 mi3881-1243636-1043636-1047644(Top 27%)6061(Top 38%)6061(Top 270%)
23M23.00 mi1.25 mi4037-1563758-1223758-1226559(Top 23%)5326(Top 33%)5326(Top 237%)
24M24.00 mi1.00 mi4131-943833-753833-756561(Top 23%)5255(Top 33%)5255(Top 234%)
40K24.85 mi0.85 mi4133-23818+153818+154752(Top 17%)4030(Top 25%)4030(Top 179%)
25.2M25.20 mi0.35 mi4148-153829-113829-114439(Top 16%)3717(Top 23%)3717(Top 165%)
Finish26.22 mi1.02 mi4123+253803+263803+264400(Top 15%)3716(Top 23%)3716(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2613

Males

2493

M40-44

2493

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2716

Males

2587

M40-44

2587

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2613

Males

2493

M40-44

2493

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3288

Males

3115

M40-44

3115

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3495

Males

3311

M40-44

3311

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3628

Males

3415

M40-44

3415

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4740

Males

4318

M40-44

4318

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6099

Males

5255

M40-44

5255

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6056

Males

5082

M40-44

5082

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7644

Males

6061

M40-44

6061

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6559

Males

5326

M40-44

5326

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6561

Males

5255

M40-44

5255

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4752

Males

4030

M40-44

4030

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4439

Males

3717

M40-44

3717

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4400

Males

3716

M40-44

3716

Passing Analysis

Category:
Athletes Passed
2142
Passed By
1329
Net Change
+813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4936
5K → 10K12102+1208#4936#3728
10K → 15K4431+442#3728#3286
15K → 20K9871+27#3286#3259
20K → Half1131-20#3259#3279
Half → 25K5892-34#3279#3313
25K → 30K69268-199#3313#3512
30K → 20M30169-139#3512#3651
20M → 21M29135-106#3651#3757
21M → 35K11135-124#3757#3881
35K → 23M35191-156#3881#4037
23M → 24M30124-94#4037#4131
24M → 40K4648-2#4131#4133
40K → 25.2M1227-15#4133#4148
25.2M → Finish6035+25#4148#4123
TOTALS21421329+813
📊

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