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BOSTON MARATHON 2025

Gurudutt Narasimha

Bib: 3532•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
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
21:12
Rank: #6516
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:55
Rank: #7200 (-684)
5K → 10K
21:43 | 6:59/mi
15K· 9.32 mi
1:05:08
Rank: #7674 (-474)
10K → 15K
22:13 | 7:09/mi
20K· 12.43 mi
1:27:48
Rank: #7923 (-249)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:32:36
Rank: #7903 (+20)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:50:38
Rank: #8081 (-178)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:15:04
Rank: #8394 (-313)
25K → 30K
24:26 | 7:52/mi
20M
2:25:51
Rank: #8476 (-82)
30K → 20M
10:47 | 7:56/mi
21M
2:34:25
Rank: #8573 (-97)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:40:21
Rank: #8676 (-103)
21M → 35K
5:56 | 7:56/mi
23M
2:50:47
Rank: #8859 (-183)
35K → 23M
10:26 | 8:20/mi
24M
2:58:47
Rank: #8950 (-91)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:05:52
Rank: #9052 (-102)
24M → 40K
7:05 | 8:17/mi
25.2M
3:08:43
Rank: #9003 (+49)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:17:09
Rank: #9257 (-254)
25.2M → Finish
8:26 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:36
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:44:33
Pace7:59 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1421:126:4921:12
6:49
-
10K
6.21 mi10:44:5742:556:5421:43
6:59
+0:10
15K
9.32 mi11:07:101:05:086:5922:13
7:09
+0:10
20K
12.43 mi11:29:501:27:487:0422:40
7:18
+0:09
Half
13.11 mi11:34:381:32:367:044:48
7:02
-0:16
25K
15.53 mi11:52:401:50:387:0718:02
7:26
+0:24
30K
18.64 mi12:17:062:15:047:1524:26
7:52
+0:26
20M
20.00 mi12:27:532:25:517:1810:47
7:56
+0:04
21M
21.00 mi12:36:272:34:257:218:34
8:34
+0:38
35K
21.75 mi12:42:232:40:217:225:56
7:56
-0:38
23M
23.00 mi12:52:492:50:477:2610:26
8:20
+0:24
24M
24.00 mi13:00:492:58:477:278:00
8:00
-0:20
40K
24.85 mi13:07:543:05:527:297:05
8:17
+0:17
25.2M
25.20 mi13:10:453:08:437:292:51
8:16
-0:01
Finish
26.22 mi13:19:113:17:097:318:26
8:16
0:00

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

6:49 /mi

Average Pace

7:31 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:38

56% of race

Time at Steady Pace

49:09

25% of race

Time at Slower Pace

37:22

19% of race

Average Pace: 7:31 /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 mi10:23:1421:126:4921:12
6:49
#6516
10K
6.21 mi10:44:5742:556:5421:43
6:59
#7200
15K
9.32 mi11:07:101:05:086:5922:13
7:09
#7674
20K
12.43 mi11:29:501:27:487:0422:40
7:18
#7923
Half
13.11 mi11:34:381:32:367:044:48
7:02
#7903
25K
15.53 mi11:52:401:50:387:0718:02
7:26
#8081
30K
18.64 mi12:17:062:15:047:1524:26
7:52
#8394
20M
20.00 mi12:27:532:25:517:1810:47
7:56
#8476
21M
21.00 mi12:36:272:34:257:218:34
8:34
#8573
35K
21.75 mi12:42:232:40:217:225:56
7:56
#8676
23M
23.00 mi12:52:492:50:477:2610:26
8:20
#8859
24M
24.00 mi13:00:492:58:477:278:00
8:00
#8950
40K
24.85 mi13:07:543:05:527:297:05
8:17
#9052
25.2M
25.20 mi13:10:453:08:437:292:51
8:16
#9003
Finish
26.22 mi13:19:113:17:097:318:26
8:16
#9257
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6516593359338705(Top 31%)7376(Top 46%)7376(Top 131%)
10K6.21 mi3.10 mi7200-6846447-5146447-5147859(Top 28%)6881(Top 43%)6881(Top 122%)
15K9.32 mi3.11 mi7674-4746757-3106757-3108705(Top 31%)7376(Top 46%)7376(Top 131%)
20K12.43 mi3.11 mi7923-2496905-1486905-1489016(Top 32%)7459(Top 46%)7459(Top 132%)
Half13.11 mi0.68 mi7903+206890+156890+157828(Top 28%)6790(Top 42%)6790(Top 120%)
25K15.53 mi2.42 mi8081-1786977-876977-879430(Top 33%)7565(Top 47%)7565(Top 134%)
30K18.64 mi3.11 mi8394-3137118-1417118-14110373(Top 37%)7871(Top 49%)7871(Top 140%)
20M20.00 mi1.36 mi8476-827136-187136-189989(Top 35%)7535(Top 47%)7535(Top 134%)
21M21.00 mi1.00 mi8573-977155-197155-1910863(Top 38%)7802(Top 48%)7802(Top 138%)
35K21.75 mi0.75 mi8676-1037195-407195-4011732(Top 41%)8179(Top 51%)8179(Top 145%)
23M23.00 mi1.25 mi8859-1837256-617256-6112216(Top 43%)8324(Top 52%)8324(Top 148%)
24M24.00 mi1.00 mi8950-917272-167272-1611207(Top 39%)7760(Top 48%)7760(Top 138%)
40K24.85 mi0.85 mi9052-1027301-297301-2912040(Top 42%)8073(Top 50%)8073(Top 143%)
25.2M25.20 mi0.35 mi9003+497254+477254+477572(Top 27%)5637(Top 35%)5637(Top 100%)
Finish26.22 mi1.02 mi9257-2547352-987352-9814718(Top 52%)9342(Top 58%)9342(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8705

Males

7376

M18-39

7376

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7859

Males

6881

M18-39

6881

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8705

Males

7376

M18-39

7376

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9016

Males

7459

M18-39

7459

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7828

Males

6790

M18-39

6790

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9430

Males

7565

M18-39

7565

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10373

Males

7871

M18-39

7871

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9989

Males

7535

M18-39

7535

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10863

Males

7802

M18-39

7802

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11732

Males

8179

M18-39

8179

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12216

Males

8324

M18-39

8324

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11207

Males

7760

M18-39

7760

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12040

Males

8073

M18-39

8073

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7572

Males

5637

M18-39

5637

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14718

Males

9342

M18-39

9342

Passing Analysis

Category:
Athletes Passed
802
Passed By
3543
Net Change
-2741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6516
5K → 10K43727-684#6516#7200
10K → 15K34508-474#7200#7674
15K → 20K67316-249#7674#7923
20K → Half3313+20#7923#7903
Half → 25K82260-178#7903#8081
25K → 30K107420-313#8081#8394
30K → 20M79161-82#8394#8476
20M → 21M60157-97#8476#8573
21M → 35K34137-103#8573#8676
35K → 23M74257-183#8676#8859
23M → 24M46137-91#8859#8950
24M → 40K56158-102#8950#9052
40K → 25.2M6213+49#9052#9003
25.2M → Finish25279-254#9003#9257
TOTALS8023543-2741
📊

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