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BOSTON MARATHON 2025

Viren Shastri

Bib: 4112•M

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0:00
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #6348
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
42:14
Rank: #6250 (+98)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:26
Rank: #6259 (-9)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:24:42
Rank: #6072 (+187)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:16
Rank: #6025 (+47)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:50
Rank: #5823 (+202)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:21
Rank: #5428 (+395)
25K → 30K
21:31 | 6:56/mi
20M
2:16:42
Rank: #5217 (+211)
30K → 20M
9:21 | 6:53/mi
21M
2:23:48
Rank: #4999 (+218)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:28:38
Rank: #4842 (+157)
21M → 35K
4:50 | 6:28/mi
23M
2:37:07
Rank: #4640 (+202)
35K → 23M
8:29 | 6:47/mi
24M
2:43:46
Rank: #4494 (+146)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:49:36
Rank: #4405 (+89)
24M → 40K
5:50 | 6:49/mi
25.2M
2:52:08
Rank: #4355 (+50)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:58:29
Rank: #4171 (+184)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:16
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:13
Pace6:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5321:096:4821:09
6:48
-
10K
6.21 mi10:44:5842:146:4821:05
6:47
-0:01
15K
9.32 mi11:06:101:03:266:4821:12
6:49
+0:02
20K
12.43 mi11:27:261:24:426:4921:16
6:51
+0:02
Half
13.11 mi11:32:001:29:166:494:34
6:42
-0:09
25K
15.53 mi11:48:341:45:506:4916:34
6:50
+0:08
30K
18.64 mi12:10:052:07:216:5021:31
6:56
+0:06
20M
20.00 mi12:19:262:16:426:509:21
6:53
-0:03
21M
21.00 mi12:26:322:23:486:517:06
7:06
+0:13
35K
21.75 mi12:31:222:28:386:504:50
6:28
-0:38
23M
23.00 mi12:39:512:37:076:508:29
6:47
+0:19
24M
24.00 mi12:46:302:43:466:496:39
6:39
-0:08
40K
24.85 mi12:52:202:49:366:495:50
6:49
+0:10
25.2M
25.20 mi12:54:522:52:086:502:32
7:21
+0:32
Finish
26.22 mi13:01:132:58:296:496:21
6:14
-1:07

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

6:14 /mi

Average Pace

6:49 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:59

77% of race

Time at Steady Pace

40:30

23% of race

Time at Slower Pace

0:00

0% 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 mi10:23:5321:096:4821:09
6:48
#6348
10K
6.21 mi10:44:5842:146:4821:05
6:47
#6250
15K
9.32 mi11:06:101:03:266:4821:12
6:49
#6259
20K
12.43 mi11:27:261:24:426:4921:16
6:51
#6072
Half
13.11 mi11:32:001:29:166:494:34
6:42
#6025
25K
15.53 mi11:48:341:45:506:4916:34
6:50
#5823
30K
18.64 mi12:10:052:07:216:5021:31
6:56
#5428
20M
20.00 mi12:19:262:16:426:509:21
6:53
#5217
21M
21.00 mi12:26:322:23:486:517:06
7:06
#4999
35K
21.75 mi12:31:222:28:386:504:50
6:28
#4842
23M
23.00 mi12:39:512:37:076:508:29
6:47
#4640
24M
24.00 mi12:46:302:43:466:496:39
6:39
#4494
40K
24.85 mi12:52:202:49:366:495:50
6:49
#4405
25.2M
25.20 mi12:54:522:52:086:502:32
7:21
#4355
Finish
26.22 mi13:01:132:58:296:496:21
6:14
#4171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6348579457946298(Top 22%)5699(Top 35%)5699(Top 101%)
10K6.21 mi3.10 mi6250+985721+735721+736216(Top 22%)5653(Top 35%)5653(Top 100%)
15K9.32 mi3.11 mi6259-95718+35718+36298(Top 22%)5699(Top 35%)5699(Top 101%)
20K12.43 mi3.11 mi6072+1875542+1765542+1765719(Top 20%)5209(Top 32%)5209(Top 92%)
Half13.11 mi0.68 mi6025+475500+425500+425154(Top 18%)4749(Top 29%)4749(Top 84%)
25K15.53 mi2.42 mi5823+2025319+1815319+1815095(Top 18%)4670(Top 29%)4670(Top 83%)
30K18.64 mi3.11 mi5428+3954978+3414978+3414243(Top 15%)3896(Top 24%)3896(Top 69%)
20M20.00 mi1.36 mi5217+2114784+1944784+1943388(Top 12%)3134(Top 19%)3134(Top 56%)
21M21.00 mi1.00 mi4999+2184600+1844600+1842672(Top 9%)2482(Top 15%)2482(Top 44%)
35K21.75 mi0.75 mi4842+1574463+1374463+1372275(Top 8%)2127(Top 13%)2127(Top 38%)
23M23.00 mi1.25 mi4640+2024277+1864277+1862582(Top 9%)2385(Top 15%)2385(Top 42%)
24M24.00 mi1.00 mi4494+1464143+1344143+1342716(Top 10%)2490(Top 15%)2490(Top 44%)
40K24.85 mi0.85 mi4405+894057+864057+862954(Top 10%)2663(Top 17%)2663(Top 47%)
25.2M25.20 mi0.35 mi4355+504010+474010+472733(Top 10%)2435(Top 15%)2435(Top 43%)
Finish26.22 mi1.02 mi4171+1843843+1673843+1671631(Top 6%)1515(Top 9%)1515(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6298

Males

5699

M18-39

5699

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6216

Males

5653

M18-39

5653

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6298

Males

5699

M18-39

5699

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5719

Males

5209

M18-39

5209

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5154

Males

4749

M18-39

4749

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5095

Males

4670

M18-39

4670

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4243

Males

3896

M18-39

3896

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3388

Males

3134

M18-39

3134

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2672

Males

2482

M18-39

2482

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2275

Males

2127

M18-39

2127

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2582

Males

2385

M18-39

2385

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2716

Males

2490

M18-39

2490

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2954

Males

2663

M18-39

2663

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2733

Males

2435

M18-39

2435

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1631

Males

1515

M18-39

1515

Passing Analysis

Category:
Athletes Passed
2604
Passed By
427
Net Change
+2177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6348
5K → 10K237139+98#6348#6250
10K → 15K146155-9#6250#6259
15K → 20K23649+187#6259#6072
20K → Half536+47#6072#6025
Half → 25K23230+202#6025#5823
25K → 30K40914+395#5823#5428
30K → 20M2176+211#5428#5217
20M → 21M2213+218#5217#4999
21M → 35K1570+157#4999#4842
35K → 23M2097+202#4842#4640
23M → 24M1515+146#4640#4494
24M → 40K967+89#4494#4405
40K → 25.2M544+50#4405#4355
25.2M → Finish1862+184#4355#4171
TOTALS2604427+2177
📊

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