Boston Marathon logo
BOSTON MARATHON 2023

Karthik Anand

Bib: 5009•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #4433
Start → 5K
6:47/mi
21:03 split
10K· 6.21 mi
41:50
Rank: #4310 (+123)
5K → 10K
6:41/mi
20:47 split
15K· 9.32 mi
1:02:42
Rank: #4286 (+24)
10K → 15K
6:43/mi
20:52 split
20K· 12.43 mi
1:23:50
Rank: #4314 (-28)
15K → 20K
6:48/mi
21:08 split
Half· 13.11 mi
1:28:26
Rank: #4330 (-16)
20K → Half
6:45/mi
4:36 split
25K· 15.53 mi
1:44:58
Rank: #4295 (+35)
Half → 25K
6:49/mi
16:32 split
30K· 18.64 mi
2:06:34
Rank: #4216 (+79)
25K → 30K
6:57/mi
21:36 split
20M
2:15:59
Rank: #4150 (+66)
30K → 20M
6:56/mi
9:25 split
21M
2:23:16
Rank: #4075 (+75)
20M → 21M
7:17/mi
7:17 split
35K· 21.75 mi
2:30:12
Rank: #4761 (-686)
21M → 35K
9:16/mi
6:56 split
23M
2:40:22
Rank: #5066 (-305)
35K → 23M
8:07/mi
10:10 split
24M
2:47:48
Rank: #5098 (-32)
23M → 24M
7:26/mi
7:26 split
40K· 24.85 mi
2:54:27
Rank: #5160 (-62)
24M → 40K
7:47/mi
6:39 split
25.2M
2:57:13
Rank: #5151 (+9)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
3:04:32
Rank: #5157 (-6)
25.2M → Finish
7:11/mi
7:19 split

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
Time1:28:26
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1121:036:4721:03
6:47
-
10K
6.21 mi10:43:5841:506:4420:47
6:41
-0:06
15K
9.32 mi11:04:501:02:426:4420:52
6:43
+0:02
20K
12.43 mi11:25:581:23:506:4521:08
6:48
+0:05
Half
13.11 mi11:30:341:28:266:454:36
6:45
-0:03
25K
15.53 mi11:47:061:44:586:4516:32
6:49
+0:04
30K
18.64 mi12:08:422:06:346:4721:36
6:57
+0:08
20M
20.00 mi12:18:072:15:596:489:25
6:56
-0:01
21M
21.00 mi12:25:242:23:166:497:17
7:17
+0:21
35K
21.75 mi12:32:202:30:126:546:56
9:16
+1:59
23M
23.00 mi12:42:302:40:226:5810:10
8:07
-1:09
24M
24.00 mi12:49:562:47:487:007:26
7:26
-0:41
40K
24.85 mi12:56:352:54:277:016:39
7:47
+0:21
25.2M
25.20 mi12:59:212:57:137:022:46
8:01
+0:14
Finish
26.22 mi13:06:403:04:327:037:19
7:11
-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

6:41 /mi

Average Pace

7:03 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:30:35

82% of race

Time at Slower Pace

33:57

18% of race

Average Pace: 7:02 /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 mi10:23:1121:036:4721:03
6:47
#4433
10K
6.21 mi10:43:5841:506:4420:47
6:41
#4310
15K
9.32 mi11:04:501:02:426:4420:52
6:43
#4286
20K
12.43 mi11:25:581:23:506:4521:08
6:48
#4314
Half
13.11 mi11:30:341:28:266:454:36
6:45
#4330
25K
15.53 mi11:47:061:44:586:4516:32
6:49
#4295
30K
18.64 mi12:08:422:06:346:4721:36
6:57
#4216
20M
20.00 mi12:18:072:15:596:489:25
6:56
#4150
21M
21.00 mi12:25:242:23:166:497:17
7:17
#4075
35K
21.75 mi12:32:202:30:126:546:56
9:16
#4761
23M
23.00 mi12:42:302:40:226:5810:10
8:07
#5066
24M
24.00 mi12:49:562:47:487:007:26
7:26
#5098
40K
24.85 mi12:56:352:54:277:016:39
7:47
#5160
25.2M
25.20 mi12:59:212:57:137:022:46
8:01
#5151
Finish
26.22 mi13:06:403:04:327:037:19
7:11
#5157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4433414141414296(Top 16%)4026(Top 27%)4026(Top 76%)
10K6.21 mi3.10 mi4310+1234039+1024039+1024244(Top 16%)3977(Top 26%)3977(Top 75%)
15K9.32 mi3.11 mi4286+244014+254014+254296(Top 16%)4026(Top 27%)4026(Top 76%)
20K12.43 mi3.11 mi4314-284042-284042-284462(Top 17%)4163(Top 27%)4163(Top 79%)
Half13.11 mi0.68 mi4330-164054-124054-124778(Top 18%)4440(Top 29%)4440(Top 84%)
25K15.53 mi2.42 mi4295+354025+294025+294328(Top 16%)4044(Top 27%)4044(Top 77%)
30K18.64 mi3.11 mi4216+793958+673958+674040(Top 15%)3774(Top 25%)3774(Top 71%)
20M20.00 mi1.36 mi4150+663895+633895+633620(Top 14%)3379(Top 22%)3379(Top 64%)
21M21.00 mi1.00 mi4075+753822+733822+733545(Top 13%)3296(Top 22%)3296(Top 62%)
35K21.75 mi0.75 mi4761-6864429-6074429-60718973(Top 71%)11567(Top 76%)11567(Top 219%)
23M23.00 mi1.25 mi5066-3054664-2354664-23510568(Top 40%)7744(Top 51%)7744(Top 147%)
24M24.00 mi1.00 mi5098-324687-234687-237223(Top 27%)5836(Top 38%)5836(Top 110%)
40K24.85 mi0.85 mi5160-624736-494736-498463(Top 32%)6515(Top 43%)6515(Top 123%)
25.2M25.20 mi0.35 mi5151+94727+94727+96541(Top 25%)5267(Top 35%)5267(Top 100%)
Finish26.22 mi1.02 mi5157-64723+44723+46257(Top 24%)5096(Top 34%)5096(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4296

Males

4026

M18-39

4026

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4244

Males

3977

M18-39

3977

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4296

Males

4026

M18-39

4026

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4462

Males

4163

M18-39

4163

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4778

Males

4440

M18-39

4440

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4328

Males

4044

M18-39

4044

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4040

Males

3774

M18-39

3774

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3620

Males

3379

M18-39

3379

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3545

Males

3296

M18-39

3296

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18973

Males

11567

M18-39

11567

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10568

Males

7744

M18-39

7744

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7223

Males

5836

M18-39

5836

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8463

Males

6515

M18-39

6515

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6541

Males

5267

M18-39

5267

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6257

Males

5096

M18-39

5096

Passing Analysis

Category:
Athletes Passed
1138
Passed By
1862
Net Change
-724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4433
5K → 10K280157+123#4433#4310
10K → 15K139115+24#4310#4286
15K → 20K84112-28#4286#4314
20K → Half1430-16#4314#4330
Half → 25K10368+35#4330#4295
25K → 30K15576+79#4295#4216
30K → 20M9731+66#4216#4150
20M → 21M11439+75#4150#4075
21M → 35K0686-686#4075#4761
35K → 23M16321-305#4761#5066
23M → 24M4173-32#5066#5098
24M → 40K2688-62#5098#5160
40K → 25.2M2516+9#5160#5151
25.2M → Finish4450-6#5151#5157
TOTALS11381862-724
📊

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