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BOSTON MARATHON 2023

Prashanth Narasimhan

Bib: 2498•M

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:02
Rank: #4339
Start → 5K
21:02 | 6:46/mi
10K· 6.21 mi
41:28
Rank: #3714 (+625)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:01:59
Rank: #3553 (+161)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:22:40
Rank: #3457 (+96)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:27:13
Rank: #3480 (-23)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:32
Rank: #3461 (+19)
Half → 25K
16:19 | 6:44/mi
30K· 18.64 mi
2:04:38
Rank: #3330 (+131)
25K → 30K
21:06 | 6:47/mi
20M
2:13:53
Rank: #3243 (+87)
30K → 20M
9:15 | 6:48/mi
21M
2:20:42
Rank: #3093 (+150)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:25:31
Rank: #3030 (+63)
21M → 35K
4:49 | 6:26/mi
23M
2:33:39
Rank: #2851 (+179)
35K → 23M
8:08 | 6:30/mi
24M
2:39:57
Rank: #2726 (+125)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:45:12
Rank: #2571 (+155)
24M → 40K
5:15 | 6:08/mi
25.2M
2:47:24
Rank: #2490 (+81)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:53:18
Rank: #2329 (+161)
25.2M → Finish
5:54 | 5:47/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:27:13
Pace6:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:05
Pace6:34 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4521:026:4621:02
6:46
-
10K
6.21 mi10:44:1141:286:4020:26
6:35
-0:11
15K
9.32 mi11:04:421:01:596:3920:31
6:36
+0:01
20K
12.43 mi11:25:231:22:406:3920:41
6:39
+0:03
Half
13.11 mi11:29:561:27:136:394:33
6:40
+0:01
25K
15.53 mi11:46:151:43:326:4016:19
6:44
+0:04
30K
18.64 mi12:07:212:04:386:4121:06
6:47
+0:03
20M
20.00 mi12:16:362:13:536:429:15
6:48
+0:01
21M
21.00 mi12:23:252:20:426:426:49
6:49
+0:01
35K
21.75 mi12:28:142:25:316:414:49
6:26
-0:23
23M
23.00 mi12:36:222:33:396:418:08
6:30
+0:04
24M
24.00 mi12:42:402:39:576:406:18
6:18
-0:12
40K
24.85 mi12:47:552:45:126:395:15
6:08
-0:10
25.2M
25.20 mi12:50:072:47:246:392:12
6:23
+0:15
Finish
26.22 mi12:56:012:53:186:375:54
5:47
-0:36

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

5:47 /mi

Average Pace

6:37 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:27

10% of race

Time at Steady Pace

2:35:51

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:23:4521:026:4621:02
6:46
#4339
10K
6.21 mi10:44:1141:286:4020:26
6:35
#3714
15K
9.32 mi11:04:421:01:596:3920:31
6:36
#3553
20K
12.43 mi11:25:231:22:406:3920:41
6:39
#3457
Half
13.11 mi11:29:561:27:136:394:33
6:40
#3480
25K
15.53 mi11:46:151:43:326:4016:19
6:44
#3461
30K
18.64 mi12:07:212:04:386:4121:06
6:47
#3330
20M
20.00 mi12:16:362:13:536:429:15
6:48
#3243
21M
21.00 mi12:23:252:20:426:426:49
6:49
#3093
35K
21.75 mi12:28:142:25:316:414:49
6:26
#3030
23M
23.00 mi12:36:222:33:396:418:08
6:30
#2851
24M
24.00 mi12:42:402:39:576:406:18
6:18
#2726
40K
24.85 mi12:47:552:45:126:395:15
6:08
#2571
25.2M
25.20 mi12:50:072:47:246:392:12
6:23
#2490
Finish
26.22 mi12:56:012:53:186:375:54
5:47
#2329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4339405040503303(Top 12%)3133(Top 21%)3133(Top 59%)
10K6.21 mi3.10 mi3714+6253503+5473503+5473312(Top 12%)3151(Top 21%)3151(Top 60%)
15K9.32 mi3.11 mi3553+1613360+1433360+1433303(Top 12%)3133(Top 21%)3133(Top 59%)
20K12.43 mi3.11 mi3457+963276+843276+843218(Top 12%)3055(Top 20%)3055(Top 58%)
Half13.11 mi0.68 mi3480-233296-203296-203943(Top 15%)3695(Top 24%)3695(Top 70%)
25K15.53 mi2.42 mi3461+193285+113285+113578(Top 13%)3373(Top 22%)3373(Top 64%)
30K18.64 mi3.11 mi3330+1313160+1253160+1252910(Top 11%)2755(Top 18%)2755(Top 52%)
20M20.00 mi1.36 mi3243+873077+833077+832832(Top 11%)2667(Top 18%)2667(Top 50%)
21M21.00 mi1.00 mi3093+1502937+1402937+1401472(Top 6%)1404(Top 9%)1404(Top 27%)
35K21.75 mi0.75 mi3030+632879+582879+582130(Top 8%)2023(Top 13%)2023(Top 38%)
23M23.00 mi1.25 mi2851+1792717+1622717+1621421(Top 5%)1349(Top 9%)1349(Top 26%)
24M24.00 mi1.00 mi2726+1252599+1182599+1181353(Top 5%)1281(Top 8%)1281(Top 24%)
40K24.85 mi0.85 mi2571+1552454+1452454+145568(Top 2%)537(Top 4%)537(Top 10%)
25.2M25.20 mi0.35 mi2490+812376+782376+78359(Top 1%)338(Top 2%)338(Top 6%)
Finish26.22 mi1.02 mi2329+1612229+1472229+147366(Top 1%)348(Top 2%)348(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3303

Males

3133

M18-39

3133

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3312

Males

3151

M18-39

3151

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3303

Males

3133

M18-39

3133

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3218

Males

3055

M18-39

3055

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3943

Males

3695

M18-39

3695

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3578

Males

3373

M18-39

3373

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2910

Males

2755

M18-39

2755

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2832

Males

2667

M18-39

2667

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1472

Males

1404

M18-39

1404

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2130

Males

2023

M18-39

2023

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1421

Males

1349

M18-39

1349

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1353

Males

1281

M18-39

1281

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

568

Males

537

M18-39

537

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

359

Males

338

M18-39

338

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

366

Males

348

M18-39

348

Passing Analysis

Category:
Athletes Passed
2278
Passed By
268
Net Change
+2010
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4339
5K → 10K66338+625#4339#3714
10K → 15K20342+161#3714#3553
15K → 20K13236+96#3553#3457
20K → Half1134-23#3457#3480
Half → 25K7253+19#3480#3461
25K → 30K16433+131#3461#3330
30K → 20M10922+87#3330#3243
20M → 21M1500+150#3243#3093
21M → 35K674+63#3093#3030
35K → 23M1823+179#3030#2851
23M → 24M1272+125#2851#2726
24M → 40K1561+155#2726#2571
40K → 25.2M810+81#2571#2490
25.2M → Finish1610+161#2490#2329
TOTALS2278268+2010
📊

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