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BOSTON MARATHON 2025

Seshadhri Narayanan

Bib: 29855•M

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:08/mi
31:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:32/mi
1:01:07
↑ 79↓ 1380.4%
15K· 9.32 mi
10:02/mi
1:32:18
↑ 67↓ 78
20K· 12.43 mi
10:33/mi
2:05:06
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:11:57
↑ 19↓ 370.5%
25K· 15.53 mi
11:02/mi
2:38:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:42/mi
3:15:03
↑ 181↓ 1480.2%
20M
12:07/mi
3:31:31
↑ 64↓ 500.2%
21M
12:59/mi
3:44:30
↑ 106↓ 241.6%
35K· 21.75 mi
11:54/mi
3:53:24
↑ 17↓ 861.7%
23M
11:33/mi
4:07:52
↑ 23↓ 630.6%
24M
11:31/mi
4:19:23
↓ 821.3%
40K· 24.85 mi
12:07/mi
4:29:45
↓ 200.3%
25.2M
11:50/mi
4:33:50
↑ 13↓ 160.2%
Finish· 26.22 mi
10:59/mi
4:45:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:57
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time2:33:05
Pace11:41 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0931:2910:0831:29
10:08
-
10K
6.21 mi12:18:471:01:079:5029:38
9:32
-0:36
15K
9.32 mi12:49:581:32:189:5431:11
10:02
+0:30
20K
12.43 mi13:22:462:05:0610:0432:48
10:33
+0:31
Half
13.11 mi13:29:372:11:5710:046:51
10:02
-0:31
25K
15.53 mi13:56:222:38:4210:1326:45
11:02
+1:00
30K
18.64 mi14:32:433:15:0310:2836:21
11:42
+0:40
20M
20.00 mi14:49:113:31:3110:3516:28
12:07
+0:25
21M
21.00 mi15:02:103:44:3010:4112:59
12:59
+0:52
35K
21.75 mi15:11:043:53:2410:448:54
11:54
-1:05
23M
23.00 mi15:25:324:07:5210:4714:28
11:33
-0:21
24M
24.00 mi15:37:034:19:2310:4811:31
11:31
-0:02
40K
24.85 mi15:47:254:29:4510:5110:22
12:07
+0:36
25.2M
25.20 mi15:51:304:33:5010:524:05
11:50
-0:17
Finish
26.22 mi16:02:424:45:0210:5311:12
10:59
-0:51

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

9:32 /mi

Average Pace

10:53 /mi

Slowest Pace

12:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:54

60% of race

Time at Steady Pace

1:15:19

26% of race

Time at Slower Pace

39:49

14% of race

Average Pace: 10:52 /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 mi11:49:0931:2910:0831:29
10:08
#25908
10K
6.21 mi12:18:471:01:079:5029:38
9:32
#25047
15K
9.32 mi12:49:581:32:189:5431:11
10:02
#25060
20K
12.43 mi13:22:462:05:0610:0432:48
10:33
#25169
Half
13.11 mi13:29:372:11:5710:046:51
10:02
#25152
25K
15.53 mi13:56:222:38:4210:1326:45
11:02
#25155
30K
18.64 mi14:32:433:15:0310:2836:21
11:42
#25162
20M
20.00 mi14:49:113:31:3110:3516:28
12:07
#25210
21M
21.00 mi15:02:103:44:3010:4112:59
12:59
#25215
35K
21.75 mi15:11:043:53:2410:448:54
11:54
#25234
23M
23.00 mi15:25:324:07:5210:4714:28
11:33
#25183
24M
24.00 mi15:37:034:19:2310:4811:31
11:31
#25182
40K
24.85 mi15:47:254:29:4510:5110:22
12:07
#25196
25.2M
25.20 mi15:51:304:33:5010:524:05
11:50
#25165
Finish
26.22 mi16:02:424:45:0210:5311:12
10:59
#25184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25908151281512825064(Top 88%)14750(Top 92%)14750(Top 656%)
10K6.21 mi3.10 mi25047+86114727+40114727+40124206(Top 85%)14339(Top 89%)14339(Top 638%)
15K9.32 mi3.11 mi25060-1314738-1114738-1125064(Top 88%)14750(Top 92%)14750(Top 656%)
20K12.43 mi3.11 mi25169-10914780-4214780-4225286(Top 89%)14799(Top 92%)14799(Top 659%)
Half13.11 mi0.68 mi25152+1714767+1314767+1324896(Top 88%)14615(Top 91%)14615(Top 650%)
25K15.53 mi2.42 mi25155-314750+1714750+1725247(Top 89%)14745(Top 92%)14745(Top 656%)
30K18.64 mi3.11 mi25162-714725+2514725+2525146(Top 89%)14601(Top 91%)14601(Top 650%)
20M20.00 mi1.36 mi25210-4814730-514730-525431(Top 90%)14649(Top 91%)14649(Top 652%)
21M21.00 mi1.00 mi25215-514718+1214718+1225022(Top 88%)14376(Top 89%)14376(Top 640%)
35K21.75 mi0.75 mi25234-1914723-514723-525705(Top 90%)14688(Top 91%)14688(Top 654%)
23M23.00 mi1.25 mi25183+5114684+3914684+3924355(Top 86%)14024(Top 87%)14024(Top 624%)
24M24.00 mi1.00 mi25182+114680+414680+424928(Top 88%)14270(Top 89%)14270(Top 635%)
40K24.85 mi0.85 mi25196-1414683-314683-325116(Top 88%)14321(Top 89%)14321(Top 637%)
25.2M25.20 mi0.35 mi25165+3114663+2014663+2022896(Top 81%)13239(Top 82%)13239(Top 589%)
Finish26.22 mi1.02 mi25184-1914660+314660+325349(Top 89%)14463(Top 90%)14463(Top 644%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25064

Males

14750

M40-44

14750

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24206

Males

14339

M40-44

14339

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25064

Males

14750

M40-44

14750

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25286

Males

14799

M40-44

14799

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24896

Males

14615

M40-44

14615

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25247

Males

14745

M40-44

14745

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25146

Males

14601

M40-44

14601

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25431

Males

14649

M40-44

14649

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

25022

Males

14376

M40-44

14376

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25705

Males

14688

M40-44

14688

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24355

Males

14024

M40-44

14024

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

24928

Males

14270

M40-44

14270

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25116

Males

14321

M40-44

14321

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22896

Males

13239

M40-44

13239

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25349

Males

14463

M40-44

14463

Passing Analysis

Category:
Athletes Passed
1644
Passed By
920
Net Change
+724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25908
5K → 10K8676+861#25908#25047
10K → 15K128141-13#25047#25060
15K → 20K101210-109#25060#25169
20K → Half3417+17#25169#25152
Half → 25K105108-3#25152#25155
25K → 30K134141-7#25155#25162
30K → 20M3785-48#25162#25210
20M → 21M4550-5#25210#25215
21M → 35K1635-19#25215#25234
35K → 23M7221+51#25234#25183
23M → 24M3029+1#25183#25182
24M → 40K2034-14#25182#25196
40K → 25.2M343+31#25196#25165
25.2M → Finish2140-19#25165#25184
TOTALS1644920+724
📊

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