Boston Marathon logo
BOSTON MARATHON 2023

Gurudutt Narasimha

Bib: 6801•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #3958
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
42:10
Rank: #4845 (-887)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:03:20
Rank: #4954 (-109)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:24:37
Rank: #4924 (+30)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:12
Rank: #4904 (+20)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:55
Rank: #4869 (+35)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:07:40
Rank: #4739 (+130)
25K → 30K
21:45 | 7:00/mi
20M
2:17:11
Rank: #4668 (+71)
30K → 20M
9:31 | 7:00/mi
21M
2:24:39
Rank: #4642 (+26)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:29:47
Rank: #4631 (+11)
21M → 35K
5:08 | 6:52/mi
23M
2:38:32
Rank: #4542 (+89)
35K → 23M
8:45 | 6:59/mi
24M
2:45:15
Rank: #4460 (+82)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:51:10
Rank: #4399 (+61)
24M → 40K
5:55 | 6:55/mi
25.2M
2:53:45
Rank: #4377 (+22)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:00:45
Rank: #4363 (+14)
25.2M → Finish
7:00 | 6:52/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:12
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:31:33
Pace6:59 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0120:556:4420:55
6:44
-
10K
6.21 mi10:45:1642:106:4721:15
6:50
+0:06
15K
9.32 mi11:06:261:03:206:4821:10
6:49
-0:01
20K
12.43 mi11:27:431:24:376:4921:17
6:51
+0:02
Half
13.11 mi11:32:181:29:126:484:35
6:43
-0:08
25K
15.53 mi11:49:011:45:556:4916:43
6:54
+0:11
30K
18.64 mi12:10:462:07:406:5121:45
7:00
+0:06
20M
20.00 mi12:20:172:17:116:529:31
7:00
0:00
21M
21.00 mi12:27:452:24:396:537:28
7:28
+0:28
35K
21.75 mi12:32:532:29:476:535:08
6:52
-0:36
23M
23.00 mi12:41:382:38:326:548:45
6:59
+0:07
24M
24.00 mi12:48:212:45:156:536:43
6:43
-0:16
40K
24.85 mi12:54:162:51:106:535:55
6:55
+0:12
25.2M
25.20 mi12:56:512:53:456:542:35
7:29
+0:34
Finish
26.22 mi13:03:513:00:456:547:00
6:52
-0:37

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

6:43 /mi

Average Pace

6:54 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:50:42

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:0120:556:4420:55
6:44
#3958
10K
6.21 mi10:45:1642:106:4721:15
6:50
#4845
15K
9.32 mi11:06:261:03:206:4821:10
6:49
#4954
20K
12.43 mi11:27:431:24:376:4921:17
6:51
#4924
Half
13.11 mi11:32:181:29:126:484:35
6:43
#4904
25K
15.53 mi11:49:011:45:556:4916:43
6:54
#4869
30K
18.64 mi12:10:462:07:406:5121:45
7:00
#4739
20M
20.00 mi12:20:172:17:116:529:31
7:00
#4668
21M
21.00 mi12:27:452:24:396:537:28
7:28
#4642
35K
21.75 mi12:32:532:29:476:535:08
6:52
#4631
23M
23.00 mi12:41:382:38:326:548:45
6:59
#4542
24M
24.00 mi12:48:212:45:156:536:43
6:43
#4460
40K
24.85 mi12:54:162:51:106:535:55
6:55
#4399
25.2M
25.20 mi12:56:512:53:456:542:35
7:29
#4377
Finish
26.22 mi13:03:513:00:456:547:00
6:52
#4363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3958371537155239(Top 20%)4843(Top 32%)4843(Top 92%)
10K6.21 mi3.10 mi4845-8874504-7894504-7895649(Top 21%)5183(Top 34%)5183(Top 98%)
15K9.32 mi3.11 mi4954-1094601-974601-975239(Top 20%)4843(Top 32%)4843(Top 92%)
20K12.43 mi3.11 mi4924+304584+174584+174909(Top 18%)4558(Top 30%)4558(Top 86%)
Half13.11 mi0.68 mi4904+204562+224562+224518(Top 17%)4210(Top 28%)4210(Top 80%)
25K15.53 mi2.42 mi4869+354526+364526+364907(Top 18%)4540(Top 30%)4540(Top 86%)
30K18.64 mi3.11 mi4739+1304415+1114415+1114344(Top 16%)4036(Top 27%)4036(Top 76%)
20M20.00 mi1.36 mi4668+714353+624353+624057(Top 15%)3757(Top 25%)3757(Top 71%)
21M21.00 mi1.00 mi4642+264323+304323+304409(Top 17%)4023(Top 27%)4023(Top 76%)
35K21.75 mi0.75 mi4631+114313+104313+104553(Top 17%)4144(Top 27%)4144(Top 78%)
23M23.00 mi1.25 mi4542+894229+844229+843737(Top 14%)3451(Top 23%)3451(Top 65%)
24M24.00 mi1.00 mi4460+824163+664163+663226(Top 12%)2992(Top 20%)2992(Top 57%)
40K24.85 mi0.85 mi4399+614106+574106+573439(Top 13%)3140(Top 21%)3140(Top 59%)
25.2M25.20 mi0.35 mi4377+224084+224084+223852(Top 14%)3442(Top 23%)3442(Top 65%)
Finish26.22 mi1.02 mi4363+144070+144070+144441(Top 17%)3874(Top 26%)3874(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5239

Males

4843

M18-39

4843

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5649

Males

5183

M18-39

5183

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5239

Males

4843

M18-39

4843

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4909

Males

4558

M18-39

4558

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4518

Males

4210

M18-39

4210

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4907

Males

4540

M18-39

4540

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4344

Males

4036

M18-39

4036

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4057

Males

3757

M18-39

3757

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4409

Males

4023

M18-39

4023

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4553

Males

4144

M18-39

4144

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3737

Males

3451

M18-39

3451

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3226

Males

2992

M18-39

2992

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3439

Males

3140

M18-39

3140

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3852

Males

3442

M18-39

3442

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4441

Males

3874

M18-39

3874

Passing Analysis

Category:
Athletes Passed
1144
Passed By
1549
Net Change
-405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3958
5K → 10K25912-887#3958#4845
10K → 15K76185-109#4845#4954
15K → 20K11585+30#4954#4924
20K → Half3212+20#4924#4904
Half → 25K11580+35#4904#4869
25K → 30K20070+130#4869#4739
30K → 20M10433+71#4739#4668
20M → 21M6640+26#4668#4642
21M → 35K4736+11#4642#4631
35K → 23M11324+89#4631#4542
23M → 24M9311+82#4542#4460
24M → 40K7716+61#4460#4399
40K → 25.2M3412+22#4399#4377
25.2M → Finish4733+14#4377#4363
TOTALS11441549-405
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing