Boston Marathon logo
BOSTON MARATHON 2023

Christopher Azar

Bib: 5291•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3658
Start → 5K
6:42/mi
20:49 split
10K· 6.21 mi
41:23
Rank: #3614 (+44)
5K → 10K
6:37/mi
20:34 split
15K· 9.32 mi
1:01:56
Rank: #3512 (+102)
10K → 15K
6:37/mi
20:33 split
20K· 12.43 mi
1:23:32
Rank: #4074 (-562)
15K → 20K
6:57/mi
21:36 split
Half· 13.11 mi
1:28:00
Rank: #4004 (+70)
20K → Half
6:33/mi
4:28 split
25K· 15.53 mi
1:44:05
Rank: #3769 (+235)
Half → 25K
6:38/mi
16:05 split
30K· 18.64 mi
2:05:50
Rank: #3851 (-82)
25K → 30K
7:00/mi
21:45 split
20M
2:15:03
Rank: #3716 (+135)
30K → 20M
6:47/mi
9:13 split
21M
2:22:12
Rank: #3626 (+90)
20M → 21M
7:09/mi
7:09 split
35K· 21.75 mi
2:27:09
Rank: #3586 (+40)
21M → 35K
6:37/mi
4:57 split
23M
2:35:24
Rank: #3376 (+210)
35K → 23M
6:35/mi
8:15 split
24M
2:41:50
Rank: #3271 (+105)
23M → 24M
6:26/mi
6:26 split
40K· 24.85 mi
2:47:32
Rank: #3194 (+77)
24M → 40K
6:40/mi
5:42 split
25.2M
2:49:51
Rank: #3118 (+76)
40K → 25.2M
6:43/mi
2:19 split
Finish· 26.22 mi
2:56:05
Rank: #2947 (+171)
25.2M → Finish
6:07/mi
6:14 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 Half⚖️ Balanced
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5320:496:4220:49
6:42
-
10K
6.21 mi10:44:2741:236:4020:34
6:37
-0:05
15K
9.32 mi11:05:001:01:566:3920:33
6:37
0:00
20K
12.43 mi11:26:361:23:326:4321:36
6:57
+0:20
Half
13.11 mi11:31:041:28:006:434:28
6:33
-0:24
25K
15.53 mi11:47:091:44:056:4216:05
6:38
+0:05
30K
18.64 mi12:08:542:05:506:4521:45
7:00
+0:22
20M
20.00 mi12:18:072:15:036:459:13
6:47
-0:13
21M
21.00 mi12:25:162:22:126:467:09
7:09
+0:22
35K
21.75 mi12:30:132:27:096:464:57
6:37
-0:32
23M
23.00 mi12:38:282:35:246:458:15
6:35
-0:02
24M
24.00 mi12:44:542:41:506:456:26
6:26
-0:09
40K
24.85 mi12:50:362:47:326:445:42
6:40
+0:14
25.2M
25.20 mi12:52:552:49:516:442:19
6:43
+0:03
Finish
26.22 mi12:59:092:56:056:436:14
6:07
-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

6:07 /mi

Average Pace

6:43 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:22

66% of race

Time at Steady Pace

59:43

34% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:23:5320:496:4220:49
6:42
#3658
10K
6.21 mi10:44:2741:236:4020:34
6:37
#3614
15K
9.32 mi11:05:001:01:566:3920:33
6:37
#3512
20K
12.43 mi11:26:361:23:326:4321:36
6:57
#4074
Half
13.11 mi11:31:041:28:006:434:28
6:33
#4004
25K
15.53 mi11:47:091:44:056:4216:05
6:38
#3769
30K
18.64 mi12:08:542:05:506:4521:45
7:00
#3851
20M
20.00 mi12:18:072:15:036:459:13
6:47
#3716
21M
21.00 mi12:25:162:22:126:467:09
7:09
#3626
35K
21.75 mi12:30:132:27:096:464:57
6:37
#3586
23M
23.00 mi12:38:282:35:246:458:15
6:35
#3376
24M
24.00 mi12:44:542:41:506:456:26
6:26
#3271
40K
24.85 mi12:50:362:47:326:445:42
6:40
#3194
25.2M
25.20 mi12:52:552:49:516:442:19
6:43
#3118
Finish
26.22 mi12:59:092:56:056:436:14
6:07
#2947
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3658344234423399(Top 13%)3224(Top 21%)3224(Top 61%)
10K6.21 mi3.10 mi3614+443409+333409+333630(Top 14%)3427(Top 23%)3427(Top 65%)
15K9.32 mi3.11 mi3512+1023324+853324+853399(Top 13%)3224(Top 21%)3224(Top 61%)
20K12.43 mi3.11 mi4074-5623825-5013825-5015668(Top 21%)5199(Top 34%)5199(Top 98%)
Half13.11 mi0.68 mi4004+703762+633762+633067(Top 12%)2932(Top 19%)2932(Top 55%)
25K15.53 mi2.42 mi3769+2353560+2023560+2022906(Top 11%)2776(Top 18%)2776(Top 53%)
30K18.64 mi3.11 mi3851-823631-713631-714330(Top 16%)4022(Top 27%)4022(Top 76%)
20M20.00 mi1.36 mi3716+1353507+1243507+1242707(Top 10%)2561(Top 17%)2561(Top 48%)
21M21.00 mi1.00 mi3626+903428+793428+792840(Top 11%)2665(Top 18%)2665(Top 50%)
35K21.75 mi0.75 mi3586+403392+363392+363070(Top 12%)2872(Top 19%)2872(Top 54%)
23M23.00 mi1.25 mi3376+2103197+1953197+1951745(Top 7%)1655(Top 11%)1655(Top 31%)
24M24.00 mi1.00 mi3271+1053097+1003097+1001834(Top 7%)1730(Top 11%)1730(Top 33%)
40K24.85 mi0.85 mi3194+773021+763021+762198(Top 8%)2049(Top 14%)2049(Top 39%)
25.2M25.20 mi0.35 mi3118+762953+682953+68976(Top 4%)932(Top 6%)932(Top 18%)
Finish26.22 mi1.02 mi2947+1712791+1622791+1621052(Top 4%)1001(Top 7%)1001(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3399

Males

3224

M18-39

3224

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3630

Males

3427

M18-39

3427

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3399

Males

3224

M18-39

3224

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5668

Males

5199

M18-39

5199

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3067

Males

2932

M18-39

2932

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2906

Males

2776

M18-39

2776

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4330

Males

4022

M18-39

4022

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2707

Males

2561

M18-39

2561

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2840

Males

2665

M18-39

2665

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3070

Males

2872

M18-39

2872

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1745

Males

1655

M18-39

1655

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1834

Males

1730

M18-39

1730

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2198

Males

2049

M18-39

2049

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

976

Males

932

M18-39

932

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1052

Males

1001

M18-39

1001

Passing Analysis

Category:
Athletes Passed
1746
Passed By
1035
Net Change
+711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3658
5K → 10K228184+44#3658#3614
10K → 15K15654+102#3614#3512
15K → 20K8570-562#3512#4074
20K → Half722+70#4074#4004
Half → 25K2438+235#4004#3769
25K → 30K82164-82#3769#3851
30K → 20M1427+135#3851#3716
20M → 21M10212+90#3716#3626
21M → 35K5515+40#3626#3586
35K → 23M2144+210#3586#3376
23M → 24M1094+105#3376#3271
24M → 40K825+77#3271#3194
40K → 25.2M771+76#3194#3118
25.2M → Finish1765+171#3118#2947
TOTALS17461035+711
📊

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