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BOSTON MARATHON 2025

Kannan Valliappan

Bib: 18466•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M55-59)
#0 / 1648
Top 26%
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
7:25/mi
23:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:10:12
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:33:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:39:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
1:57:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:22:47
↑ 181↓ 1480.2%
20M
8:12/mi
2:33:56
↑ 64↓ 500.2%
21M
8:50/mi
2:42:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:48:36
↑ 17↓ 861.7%
23M
8:14/mi
2:58:54
↑ 23↓ 630.6%
24M
7:52/mi
3:06:46
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:13:32
↓ 200.3%
25.2M
8:42/mi
3:16:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:24:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:01
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0823:037:2523:03
7:25
-
10K
6.21 mi11:36:3146:267:2823:23
7:32
+0:07
15K
9.32 mi12:00:171:10:127:3223:46
7:39
+0:07
20K
12.43 mi12:24:031:33:587:3423:46
7:39
0:00
Half
13.11 mi12:29:061:39:017:335:03
7:24
-0:15
25K
15.53 mi12:47:441:57:397:3418:38
7:41
+0:17
30K
18.64 mi13:12:522:22:477:4025:08
8:05
+0:24
20M
20.00 mi13:24:012:33:567:4211:09
8:12
+0:07
21M
21.00 mi13:32:512:42:467:458:50
8:50
+0:38
35K
21.75 mi13:38:412:48:367:455:50
7:48
-1:02
23M
23.00 mi13:48:592:58:547:4710:18
8:14
+0:26
24M
24.00 mi13:56:513:06:467:477:52
7:52
-0:22
40K
24.85 mi14:03:373:13:327:476:46
7:55
+0:03
25.2M
25.20 mi14:06:373:16:327:483:00
8:42
+0:47
Finish
26.22 mi14:14:373:24:327:488:00
7:51
-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

7:24 /mi

Average Pace

7:48 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:15

84% of race

Time at Steady Pace

24:27

12% of race

Time at Slower Pace

8:50

4% of race

Average Pace: 7:48 /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 mi11:13:0823:037:2523:03
7:25
#11505
10K
6.21 mi11:36:3146:267:2823:23
7:32
#11882
15K
9.32 mi12:00:171:10:127:3223:46
7:39
#12251
20K
12.43 mi12:24:031:33:587:3423:46
7:39
#12173
Half
13.11 mi12:29:061:39:017:335:03
7:24
#12098
25K
15.53 mi12:47:441:57:397:3418:38
7:41
#11949
30K
18.64 mi13:12:522:22:477:4025:08
8:05
#11898
20M
20.00 mi13:24:012:33:567:4211:09
8:12
#11876
21M
21.00 mi13:32:512:42:467:458:50
8:50
#11888
35K
21.75 mi13:38:412:48:367:455:50
7:48
#11838
23M
23.00 mi13:48:592:58:547:4710:18
8:14
#11790
24M
24.00 mi13:56:513:06:467:477:52
7:52
#11693
40K
24.85 mi14:03:373:13:327:476:46
7:55
#11571
25.2M
25.20 mi14:06:373:16:327:483:00
8:42
#11531
Finish
26.22 mi14:14:373:24:327:488:00
7:51
#11511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi115058949894913026(Top 46%)9525(Top 59%)9525(Top 578%)
10K6.21 mi3.10 mi11882-3779106-1579106-15712323(Top 43%)9297(Top 58%)9297(Top 564%)
15K9.32 mi3.11 mi12251-3699241-1359241-13513026(Top 46%)9525(Top 59%)9525(Top 578%)
20K12.43 mi3.11 mi12173+789176+659176+6511939(Top 42%)8946(Top 56%)8946(Top 543%)
Half13.11 mi0.68 mi12098+759132+449132+4410857(Top 38%)8482(Top 53%)8482(Top 515%)
25K15.53 mi2.42 mi11949+1499023+1099023+10911413(Top 40%)8579(Top 53%)8579(Top 521%)
30K18.64 mi3.11 mi11898+518923+1008923+10012011(Top 42%)8680(Top 54%)8680(Top 527%)
20M20.00 mi1.36 mi11876+228882+418882+4111809(Top 42%)8423(Top 52%)8423(Top 511%)
21M21.00 mi1.00 mi11888-128844+388844+3812473(Top 44%)8591(Top 53%)8591(Top 521%)
35K21.75 mi0.75 mi11838+508798+468798+4610775(Top 38%)7757(Top 48%)7757(Top 471%)
23M23.00 mi1.25 mi11790+488737+618737+6111509(Top 41%)7993(Top 50%)7993(Top 485%)
24M24.00 mi1.00 mi11693+978646+918646+9110314(Top 36%)7334(Top 46%)7334(Top 445%)
40K24.85 mi0.85 mi11571+1228559+878559+879552(Top 34%)6826(Top 42%)6826(Top 414%)
25.2M25.20 mi0.35 mi11531+408527+328527+329970(Top 35%)6946(Top 43%)6946(Top 421%)
Finish26.22 mi1.02 mi11511+208469+588469+5811795(Top 42%)7933(Top 49%)7933(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13026

Males

9525

M55-59

9525

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12323

Males

9297

M55-59

9297

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13026

Males

9525

M55-59

9525

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11939

Males

8946

M55-59

8946

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10857

Males

8482

M55-59

8482

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11413

Males

8579

M55-59

8579

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

12011

Males

8680

M55-59

8680

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11809

Males

8423

M55-59

8423

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12473

Males

8591

M55-59

8591

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10775

Males

7757

M55-59

7757

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11509

Males

7993

M55-59

7993

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10314

Males

7334

M55-59

7334

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9552

Males

6826

M55-59

6826

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9970

Males

6946

M55-59

6946

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11795

Males

7933

M55-59

7933

Passing Analysis

Category:
Athletes Passed
1850
Passed By
1856
Net Change
-6
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11505
5K → 10K114491-377#11505#11882
10K → 15K84453-369#11882#12251
15K → 20K220142+78#12251#12173
20K → Half8611+75#12173#12098
Half → 25K23081+149#12098#11949
25K → 30K253202+51#11949#11898
30K → 20M132110+22#11898#11876
20M → 21M100112-12#11876#11888
21M → 35K7424+50#11888#11838
35K → 23M13587+48#11838#11790
23M → 24M13336+97#11790#11693
24M → 40K14422+122#11693#11571
40K → 25.2M5414+40#11571#11531
25.2M → Finish9171+20#11531#11511
TOTALS18501856-6
📊

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