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BOSTON MARATHON 2023

Rahul Nandi

Bib: 9105•M

DC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M45-49)
#0 / 2252
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5593
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:36
Rank: #5465 (+128)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:36
Rank: #5206 (+259)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:24:46
Rank: #5031 (+175)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:29:21
Rank: #5000 (+31)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:54
Rank: #4862 (+138)
Half → 25K
16:33 | 6:50/mi
30K· 18.64 mi
2:07:21
Rank: #4597 (+265)
25K → 30K
21:27 | 6:54/mi
20M
2:16:44
Rank: #4485 (+112)
30K → 20M
9:23 | 6:54/mi
21M
2:24:10
Rank: #4452 (+33)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:29:07
Rank: #4373 (+79)
21M → 35K
4:57 | 6:37/mi
23M
2:38:05
Rank: #4379 (-6)
35K → 23M
8:58 | 7:10/mi
24M
2:45:11
Rank: #4439 (-60)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:52:01
Rank: #4605 (-166)
24M → 40K
6:50 | 8:00/mi
25.2M
2:55:43
Rank: #4843 (-238)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:05:48
Rank: #5427 (-584)
25.2M → Finish
10:05 | 9:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:21
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:36:27
Pace7:21 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1521:276:5421:27
6:54
-
10K
6.21 mi11:08:2442:366:5121:09
6:48
-0:06
15K
9.32 mi11:29:241:03:366:4921:00
6:46
-0:02
20K
12.43 mi11:50:341:24:466:4921:10
6:49
+0:03
Half
13.11 mi11:55:091:29:216:494:35
6:43
-0:06
25K
15.53 mi12:11:421:45:546:4916:33
6:50
+0:07
30K
18.64 mi12:33:092:07:216:5021:27
6:54
+0:04
20M
20.00 mi12:42:322:16:446:509:23
6:54
0:00
21M
21.00 mi12:49:582:24:106:527:26
7:26
+0:32
35K
21.75 mi12:54:552:29:076:514:57
6:37
-0:49
23M
23.00 mi13:03:532:38:056:528:58
7:10
+0:33
24M
24.00 mi13:10:592:45:116:537:06
7:06
-0:04
40K
24.85 mi13:17:492:52:016:556:50
8:00
+0:54
25.2M
25.20 mi13:21:312:55:436:583:42
10:44
+2:44
Finish
26.22 mi13:31:363:05:487:0510:05
9:54
-0:50

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

6:37 /mi

Average Pace

7:05 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:45:11

89% of race

Time at Slower Pace

20:37

11% of race

Average Pace: 7:05 /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 mi10:47:1521:276:5421:27
6:54
#5593
10K
6.21 mi11:08:2442:366:5121:09
6:48
#5465
15K
9.32 mi11:29:241:03:366:4921:00
6:46
#5206
20K
12.43 mi11:50:341:24:466:4921:10
6:49
#5031
Half
13.11 mi11:55:091:29:216:494:35
6:43
#5000
25K
15.53 mi12:11:421:45:546:4916:33
6:50
#4862
30K
18.64 mi12:33:092:07:216:5021:27
6:54
#4597
20M
20.00 mi12:42:322:16:446:509:23
6:54
#4485
21M
21.00 mi12:49:582:24:106:527:26
7:26
#4452
35K
21.75 mi12:54:552:29:076:514:57
6:37
#4373
23M
23.00 mi13:03:532:38:056:528:58
7:10
#4379
24M
24.00 mi13:10:592:45:116:537:06
7:06
#4439
40K
24.85 mi13:17:492:52:016:556:50
8:00
#4605
25.2M
25.20 mi13:21:312:55:436:583:42
10:44
#4843
Finish
26.22 mi13:31:363:05:487:0510:05
9:54
#5427
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5593515251524710(Top 18%)4395(Top 29%)4395(Top 195%)
10K6.21 mi3.10 mi5465+1285045+1075045+1075371(Top 20%)4956(Top 33%)4956(Top 220%)
15K9.32 mi3.11 mi5206+2594824+2214824+2214710(Top 18%)4395(Top 29%)4395(Top 195%)
20K12.43 mi3.11 mi5031+1754675+1494675+1494562(Top 17%)4251(Top 28%)4251(Top 189%)
Half13.11 mi0.68 mi5000+314648+274648+274580(Top 17%)4272(Top 28%)4272(Top 190%)
25K15.53 mi2.42 mi4862+1384521+1274521+1274392(Top 16%)4096(Top 27%)4096(Top 182%)
30K18.64 mi3.11 mi4597+2654287+2344287+2343698(Top 14%)3472(Top 23%)3472(Top 154%)
20M20.00 mi1.36 mi4485+1124184+1034184+1033482(Top 13%)3254(Top 21%)3254(Top 144%)
21M21.00 mi1.00 mi4452+334155+294155+294293(Top 16%)3933(Top 26%)3933(Top 175%)
35K21.75 mi0.75 mi4373+794083+724083+723143(Top 12%)2945(Top 19%)2945(Top 131%)
23M23.00 mi1.25 mi4379-64091-84091-84610(Top 17%)4169(Top 27%)4169(Top 185%)
24M24.00 mi1.00 mi4439-604142-514142-515192(Top 20%)4565(Top 30%)4565(Top 203%)
40K24.85 mi0.85 mi4605-1664283-1414283-1419945(Top 37%)7296(Top 48%)7296(Top 324%)
25.2M25.20 mi0.35 mi4843-2384468-1854468-18519719(Top 74%)11771(Top 78%)11771(Top 523%)
Finish26.22 mi1.02 mi5427-5844946-4784946-47821447(Top 81%)12607(Top 83%)12607(Top 560%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4710

Males

4395

M45-49

4395

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5371

Males

4956

M45-49

4956

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4710

Males

4395

M45-49

4395

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4562

Males

4251

M45-49

4251

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4580

Males

4272

M45-49

4272

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4392

Males

4096

M45-49

4096

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3698

Males

3472

M45-49

3472

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3482

Males

3254

M45-49

3254

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4293

Males

3933

M45-49

3933

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3143

Males

2945

M45-49

2945

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4610

Males

4169

M45-49

4169

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5192

Males

4565

M45-49

4565

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9945

Males

7296

M45-49

7296

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19719

Males

11771

M45-49

11771

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21447

Males

12607

M45-49

12607

Passing Analysis

Category:
Athletes Passed
1682
Passed By
1516
Net Change
+166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5593
5K → 10K262134+128#5593#5465
10K → 15K28930+259#5465#5206
15K → 20K20732+175#5206#5031
20K → Half4312+31#5031#5000
Half → 25K17436+138#5000#4862
25K → 30K29530+265#4862#4597
30K → 20M12513+112#4597#4485
20M → 21M7542+33#4485#4452
21M → 35K8910+79#4452#4373
35K → 23M7278-6#4373#4379
23M → 24M3191-60#4379#4439
24M → 40K16182-166#4439#4605
40K → 25.2M0238-238#4605#4843
25.2M → Finish4588-584#4843#5427
TOTALS16821516+166
📊

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