Boston Marathon logo
BOSTON MARATHON 2023

Vivek Venkatachalam

Bib: 3330•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #1826
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
38:48
Rank: #1359 (+467)
5K → 10K
18:54 | 6:05/mi
15K· 9.32 mi
57:58
Rank: #1249 (+110)
10K → 15K
19:10 | 6:10/mi
20K· 12.43 mi
1:17:35
Rank: #1286 (-37)
15K → 20K
19:37 | 6:19/mi
Half· 13.11 mi
1:21:47
Rank: #1273 (+13)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:02
Rank: #1279 (-6)
Half → 25K
15:15 | 6:17/mi
30K· 18.64 mi
1:56:48
Rank: #1222 (+57)
25K → 30K
19:46 | 6:22/mi
20M
2:05:33
Rank: #1207 (+15)
30K → 20M
8:45 | 6:26/mi
21M
2:12:28
Rank: #1217 (-10)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:17:07
Rank: #1205 (+12)
21M → 35K
4:39 | 6:13/mi
23M
2:25:15
Rank: #1196 (+9)
35K → 23M
8:08 | 6:30/mi
24M
2:31:33
Rank: #1187 (+9)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:37:04
Rank: #1179 (+8)
24M → 40K
5:31 | 6:27/mi
25.2M
2:39:28
Rank: #1180 (-1)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:45:46
Rank: #1174 (+6)
25.2M → Finish
6:18 | 6:11/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
Time1:21:47
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:23:59
Pace6:24 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0919:546:2419:54
6:24
-
10K
6.21 mi10:40:0338:486:1518:54
6:05
-0:19
15K
9.32 mi10:59:1357:586:1319:10
6:10
+0:05
20K
12.43 mi11:18:501:17:356:1519:37
6:19
+0:09
Half
13.11 mi11:23:021:21:476:144:12
6:09
-0:10
25K
15.53 mi11:38:171:37:026:1515:15
6:17
+0:08
30K
18.64 mi11:58:031:56:486:1619:46
6:22
+0:05
20M
20.00 mi12:06:482:05:336:178:45
6:26
+0:04
21M
21.00 mi12:13:432:12:286:186:55
6:55
+0:29
35K
21.75 mi12:18:222:17:076:184:39
6:13
-0:42
23M
23.00 mi12:26:302:25:156:198:08
6:30
+0:17
24M
24.00 mi12:32:482:31:336:196:18
6:18
-0:12
40K
24.85 mi12:38:192:37:046:195:31
6:27
+0:09
25.2M
25.20 mi12:40:432:39:286:202:24
6:58
+0:31
Finish
26.22 mi12:47:012:45:466:206:18
6:11
-0:47

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

6:05 /mi

Average Pace

6:20 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:27

94% of race

Time at Steady Pace

9:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:21:0919:546:2419:54
6:24
#1826
10K
6.21 mi10:40:0338:486:1518:54
6:05
#1359
15K
9.32 mi10:59:1357:586:1319:10
6:10
#1249
20K
12.43 mi11:18:501:17:356:1519:37
6:19
#1286
Half
13.11 mi11:23:021:21:476:144:12
6:09
#1273
25K
15.53 mi11:38:171:37:026:1515:15
6:17
#1279
30K
18.64 mi11:58:031:56:486:1619:46
6:22
#1222
20M
20.00 mi12:06:482:05:336:178:45
6:26
#1207
21M
21.00 mi12:13:432:12:286:186:55
6:55
#1217
35K
21.75 mi12:18:222:17:076:184:39
6:13
#1205
23M
23.00 mi12:26:302:25:156:198:08
6:30
#1196
24M
24.00 mi12:32:482:31:336:196:18
6:18
#1187
40K
24.85 mi12:38:192:37:046:195:31
6:27
#1179
25.2M
25.20 mi12:40:432:39:286:202:24
6:58
#1180
Finish
26.22 mi12:47:012:45:466:206:18
6:11
#1174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1826174117411144(Top 4%)1091(Top 7%)1091(Top 21%)
10K6.21 mi3.10 mi1359+4671293+4481293+4481018(Top 4%)968(Top 6%)968(Top 18%)
15K9.32 mi3.11 mi1249+1101186+1071186+1071144(Top 4%)1091(Top 7%)1091(Top 21%)
20K12.43 mi3.11 mi1286-371225-391225-391438(Top 5%)1373(Top 9%)1373(Top 26%)
Half13.11 mi0.68 mi1273+131214+111214+111192(Top 4%)1141(Top 8%)1141(Top 22%)
25K15.53 mi2.42 mi1279-61222-81222-81295(Top 5%)1238(Top 8%)1238(Top 23%)
30K18.64 mi3.11 mi1222+571167+551167+551103(Top 4%)1050(Top 7%)1050(Top 20%)
20M20.00 mi1.36 mi1207+151153+141153+141240(Top 5%)1181(Top 8%)1181(Top 22%)
21M21.00 mi1.00 mi1217-101163-101163-101800(Top 7%)1712(Top 11%)1712(Top 32%)
35K21.75 mi0.75 mi1205+121151+121151+121285(Top 5%)1222(Top 8%)1222(Top 23%)
23M23.00 mi1.25 mi1196+91143+81143+81390(Top 5%)1318(Top 9%)1318(Top 25%)
24M24.00 mi1.00 mi1187+91133+101133+101336(Top 5%)1264(Top 8%)1264(Top 24%)
40K24.85 mi0.85 mi1179+81125+81125+81369(Top 5%)1292(Top 9%)1292(Top 24%)
25.2M25.20 mi0.35 mi1180-1112511251587(Top 6%)1493(Top 10%)1493(Top 28%)
Finish26.22 mi1.02 mi1174+61118+71118+71214(Top 5%)1155(Top 8%)1155(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1144

Males

1091

M18-39

1091

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1018

Males

968

M18-39

968

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1144

Males

1091

M18-39

1091

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1438

Males

1373

M18-39

1373

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1192

Males

1141

M18-39

1141

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1295

Males

1238

M18-39

1238

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1103

Males

1050

M18-39

1050

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1240

Males

1181

M18-39

1181

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1800

Males

1712

M18-39

1712

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1285

Males

1222

M18-39

1222

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1390

Males

1318

M18-39

1318

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1336

Males

1264

M18-39

1264

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1369

Males

1292

M18-39

1292

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1587

Males

1493

M18-39

1493

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1214

Males

1155

M18-39

1155

Passing Analysis

Category:
Athletes Passed
885
Passed By
233
Net Change
+652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1826
5K → 10K4670+467#1826#1359
10K → 15K12515+110#1359#1249
15K → 20K2865-37#1249#1286
20K → Half152+13#1286#1273
Half → 25K1824-6#1273#1279
25K → 30K7114+57#1279#1222
30K → 20M2611+15#1222#1207
20M → 21M1828-10#1207#1217
21M → 35K2210+12#1217#1205
35K → 23M2819+9#1205#1196
23M → 24M2011+9#1196#1187
24M → 40K1810+8#1187#1179
40K → 25.2M56-1#1179#1180
25.2M → Finish2418+6#1180#1174
TOTALS885233+652
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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