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BOSTON MARATHON 2025

Alexander Prasad

Bib: 6114•M

MI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:25
Rank: #9588
Start → 5K
7:13/mi
22:25 split
10K· 6.21 mi
44:29
Rank: #9110 (+478)
5K → 10K
7:06/mi
22:04 split
15K· 9.32 mi
1:07:07
Rank: #9351 (-241)
10K → 15K
7:17/mi
22:38 split
20K· 12.43 mi
1:31:20
Rank: #10306 (-955)
15K → 20K
7:48/mi
24:13 split
Half· 13.11 mi
1:36:15
Rank: #10233 (+73)
20K → Half
7:12/mi
4:55 split
25K· 15.53 mi
1:56:03
Rank: #11085 (-852)
Half → 25K
8:10/mi
19:48 split
30K· 18.64 mi
2:23:32
Rank: #12269 (-1184)
25K → 30K
8:51/mi
27:29 split
20M
2:36:12
Rank: #12814 (-545)
30K → 20M
9:19/mi
12:40 split
21M
2:46:02
Rank: #13136 (-322)
20M → 21M
9:50/mi
9:50 split
35K· 21.75 mi
2:52:37
Rank: #13306 (-170)
21M → 35K
8:48/mi
6:35 split
23M
3:04:54
Rank: #13836 (-530)
35K → 23M
9:49/mi
12:17 split
24M
3:13:47
Rank: #14011 (-175)
23M → 24M
8:53/mi
8:53 split
40K· 24.85 mi
3:22:25
Rank: #14350 (-339)
24M → 40K
10:06/mi
8:38 split
25.2M
3:25:52
Rank: #14387 (-37)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
3:34:34
Rank: #14439 (-52)
25.2M → Finish
8:32/mi
8:42 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:58:19
Pace9:02 /mi
📊Positive Split: 22.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5422:257:1322:25
7:13
-
10K
6.21 mi10:50:5844:297:1022:04
7:06
-0:07
15K
9.32 mi11:13:361:07:077:1222:38
7:17
+0:11
20K
12.43 mi11:37:491:31:207:2124:13
7:48
+0:31
Half
13.11 mi11:42:441:36:157:214:55
7:12
-0:36
25K
15.53 mi12:02:321:56:037:2819:48
8:10
+0:58
30K
18.64 mi12:30:012:23:327:4227:29
8:51
+0:41
20M
20.00 mi12:42:412:36:127:4912:40
9:19
+0:28
21M
21.00 mi12:52:312:46:027:549:50
9:50
+0:31
35K
21.75 mi12:59:062:52:377:566:35
8:48
-1:02
23M
23.00 mi13:11:233:04:548:0212:17
9:49
+1:01
24M
24.00 mi13:20:163:13:478:048:53
8:53
-0:56
40K
24.85 mi13:28:543:22:258:098:38
10:06
+1:13
25.2M
25.20 mi13:32:213:25:528:103:27
10:00
-0:06
Finish
26.22 mi13:41:033:34:348:118:42
8:32
-1:28

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

7:06 /mi

Average Pace

8:11 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:03

54% of race

Time at Steady Pace

1:04:19

30% of race

Time at Slower Pace

34:12

16% of race

Average Pace: 8:11 /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 mi10:28:5422:257:1322:25
7:13
#9588
10K
6.21 mi10:50:5844:297:1022:04
7:06
#9110
15K
9.32 mi11:13:361:07:077:1222:38
7:17
#9351
20K
12.43 mi11:37:491:31:207:2124:13
7:48
#10306
Half
13.11 mi11:42:441:36:157:214:55
7:12
#10233
25K
15.53 mi12:02:321:56:037:2819:48
8:10
#11085
30K
18.64 mi12:30:012:23:327:4227:29
8:51
#12269
20M
20.00 mi12:42:412:36:127:4912:40
9:19
#12814
21M
21.00 mi12:52:312:46:027:549:50
9:50
#13136
35K
21.75 mi12:59:062:52:377:566:35
8:48
#13306
23M
23.00 mi13:11:233:04:548:0212:17
9:49
#13836
24M
24.00 mi13:20:163:13:478:048:53
8:53
#14011
40K
24.85 mi13:28:543:22:258:098:38
10:06
#14350
25.2M
25.20 mi13:32:213:25:528:103:27
10:00
#14387
Finish
26.22 mi13:41:033:34:348:118:42
8:32
#14439
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9588794379439880(Top 35%)8022(Top 50%)8022(Top 142%)
10K6.21 mi3.10 mi9110+4787669+2747669+2748698(Top 31%)7420(Top 46%)7420(Top 132%)
15K9.32 mi3.11 mi9351-2417789-1207789-1209880(Top 35%)8022(Top 50%)8022(Top 142%)
20K12.43 mi3.11 mi10306-9558263-4748263-47413223(Top 47%)9520(Top 59%)9520(Top 169%)
Half13.11 mi0.68 mi10233+738224+398224+399151(Top 32%)7583(Top 47%)7583(Top 134%)
25K15.53 mi2.42 mi11085-8528622-3988622-39815075(Top 53%)10259(Top 64%)10259(Top 182%)
30K18.64 mi3.11 mi12269-11849097-4759097-47516858(Top 59%)10854(Top 67%)10854(Top 192%)
20M20.00 mi1.36 mi12814-5459308-2119308-21118373(Top 65%)11382(Top 71%)11382(Top 202%)
21M21.00 mi1.00 mi13136-3229419-1119419-11117609(Top 62%)10965(Top 68%)10965(Top 194%)
35K21.75 mi0.75 mi13306-1709473-549473-5417215(Top 61%)10693(Top 66%)10693(Top 190%)
23M23.00 mi1.25 mi13836-5309662-1899662-18919810(Top 70%)11810(Top 73%)11810(Top 209%)
24M24.00 mi1.00 mi14011-1759699-379699-3716729(Top 59%)10347(Top 64%)10347(Top 183%)
40K24.85 mi0.85 mi14350-3399840-1419840-14120752(Top 73%)12154(Top 75%)12154(Top 215%)
25.2M25.20 mi0.35 mi14387-379847-79847-716982(Top 60%)10347(Top 64%)10347(Top 183%)
Finish26.22 mi1.02 mi14439-529839+89839+816424(Top 58%)10117(Top 63%)10117(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9880

Males

8022

M18-39

8022

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8698

Males

7420

M18-39

7420

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9880

Males

8022

M18-39

8022

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13223

Males

9520

M18-39

9520

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9151

Males

7583

M18-39

7583

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15075

Males

10259

M18-39

10259

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16858

Males

10854

M18-39

10854

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18373

Males

11382

M18-39

11382

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17609

Males

10965

M18-39

10965

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17215

Males

10693

M18-39

10693

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19810

Males

11810

M18-39

11810

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16729

Males

10347

M18-39

10347

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20752

Males

12154

M18-39

12154

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16982

Males

10347

M18-39

10347

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16424

Males

10117

M18-39

10117

Passing Analysis

Category:
Athletes Passed
1094
Passed By
5943
Net Change
-4851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9588
5K → 10K54062+478#9588#9110
10K → 15K84325-241#9110#9351
15K → 20K36989-955#9351#10306
20K → Half785+73#10306#10233
Half → 25K43895-852#10233#11085
25K → 30K481232-1184#11085#12269
30K → 20M33578-545#12269#12814
20M → 21M38360-322#12814#13136
21M → 35K24194-170#13136#13306
35K → 23M27557-530#13306#13836
23M → 24M48223-175#13836#14011
24M → 40K20359-339#14011#14350
40K → 25.2M2057-37#14350#14387
25.2M → Finish55107-52#14387#14439
TOTALS10945943-4851
📊

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