Boston Marathon logo
BOSTON MARATHON 2023

Jason Teran

Bib: 6220•M

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
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
20:59
Rank: #4189
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:42
Rank: #4094 (+95)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:19
Rank: #3876 (+218)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:23:16
Rank: #3869 (+7)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:27:42
Rank: #3783 (+86)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:44:04
Rank: #3764 (+19)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:06:29
Rank: #4166 (-402)
25K → 30K
22:25 | 7:13/mi
20M
2:16:26
Rank: #4337 (-171)
30K → 20M
9:57 | 7:19/mi
21M
2:24:07
Rank: #4434 (-97)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:29:23
Rank: #4480 (-46)
21M → 35K
5:16 | 7:02/mi
23M
2:38:50
Rank: #4635 (-155)
35K → 23M
9:27 | 7:33/mi
24M
2:46:10
Rank: #4699 (-64)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:52:26
Rank: #4705 (-6)
24M → 40K
6:16 | 7:20/mi
25.2M
2:55:13
Rank: #4710 (-5)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:02:29
Rank: #4713 (-3)
25.2M → Finish
7:16 | 7:08/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
Time1:27:42
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3220:596:4520:59
6:45
-
10K
6.21 mi10:45:1541:426:4320:43
6:40
-0:05
15K
9.32 mi11:05:521:02:196:4120:37
6:38
-0:02
20K
12.43 mi11:26:491:23:166:4220:57
6:45
+0:07
Half
13.11 mi11:31:151:27:426:414:26
6:30
-0:15
25K
15.53 mi11:47:371:44:046:4216:22
6:45
+0:15
30K
18.64 mi12:10:022:06:296:4722:25
7:13
+0:28
20M
20.00 mi12:19:592:16:266:499:57
7:19
+0:06
21M
21.00 mi12:27:402:24:076:527:41
7:41
+0:22
35K
21.75 mi12:32:562:29:236:525:16
7:02
-0:39
23M
23.00 mi12:42:232:38:506:549:27
7:33
+0:31
24M
24.00 mi12:49:432:46:106:557:20
7:20
-0:13
40K
24.85 mi12:55:592:52:266:566:16
7:20
0:00
25.2M
25.20 mi12:58:462:55:136:572:47
8:04
+0:44
Finish
26.22 mi13:06:023:02:296:587:16
7:08
-0:56

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

6:30 /mi

Average Pace

6:58 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:04

57% of race

Time at Steady Pace

58:30

32% of race

Time at Slower Pace

19:55

11% of race

Average Pace: 6:58 /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 mi10:24:3220:596:4520:59
6:45
#4189
10K
6.21 mi10:45:1541:426:4320:43
6:40
#4094
15K
9.32 mi11:05:521:02:196:4120:37
6:38
#3876
20K
12.43 mi11:26:491:23:166:4220:57
6:45
#3869
Half
13.11 mi11:31:151:27:426:414:26
6:30
#3783
25K
15.53 mi11:47:371:44:046:4216:22
6:45
#3764
30K
18.64 mi12:10:022:06:296:4722:25
7:13
#4166
20M
20.00 mi12:19:592:16:266:499:57
7:19
#4337
21M
21.00 mi12:27:402:24:076:527:41
7:41
#4434
35K
21.75 mi12:32:562:29:236:525:16
7:02
#4480
23M
23.00 mi12:42:232:38:506:549:27
7:33
#4635
24M
24.00 mi12:49:432:46:106:557:20
7:20
#4699
40K
24.85 mi12:55:592:52:266:566:16
7:20
#4705
25.2M
25.20 mi12:58:462:55:136:572:47
8:04
#4710
Finish
26.22 mi13:06:023:02:296:587:16
7:08
#4713
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4189392539253589(Top 13%)3393(Top 22%)3393(Top 64%)
10K6.21 mi3.10 mi4094+953849+763849+764041(Top 15%)3800(Top 25%)3800(Top 72%)
15K9.32 mi3.11 mi3876+2183653+1963653+1963589(Top 13%)3393(Top 22%)3393(Top 64%)
20K12.43 mi3.11 mi3869+73649+43649+43932(Top 15%)3706(Top 24%)3706(Top 70%)
Half13.11 mi0.68 mi3783+863575+743575+742841(Top 11%)2725(Top 18%)2725(Top 52%)
25K15.53 mi2.42 mi3764+193557+183557+183763(Top 14%)3543(Top 23%)3543(Top 67%)
30K18.64 mi3.11 mi4166-4023916-3593916-3595561(Top 21%)5041(Top 33%)5041(Top 95%)
20M20.00 mi1.36 mi4337-1714057-1414057-1415727(Top 22%)5087(Top 34%)5087(Top 96%)
21M21.00 mi1.00 mi4434-974140-834140-835505(Top 21%)4831(Top 32%)4831(Top 91%)
35K21.75 mi0.75 mi4480-464177-374177-375520(Top 21%)4883(Top 32%)4883(Top 92%)
23M23.00 mi1.25 mi4635-1554310-1334310-1336682(Top 25%)5613(Top 37%)5613(Top 106%)
24M24.00 mi1.00 mi4699-644367-574367-576559(Top 25%)5449(Top 36%)5449(Top 103%)
40K24.85 mi0.85 mi4705-64363+44363+45610(Top 21%)4757(Top 31%)4757(Top 90%)
25.2M25.20 mi0.35 mi4710-54366-34366-36811(Top 26%)5443(Top 36%)5443(Top 103%)
Finish26.22 mi1.02 mi4713-34355+114355+115959(Top 22%)4898(Top 32%)4898(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3589

Males

3393

M18-39

3393

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4041

Males

3800

M18-39

3800

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3589

Males

3393

M18-39

3393

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3932

Males

3706

M18-39

3706

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2841

Males

2725

M18-39

2725

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3763

Males

3543

M18-39

3543

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5561

Males

5041

M18-39

5041

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5727

Males

5087

M18-39

5087

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5505

Males

4831

M18-39

4831

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5520

Males

4883

M18-39

4883

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6682

Males

5613

M18-39

5613

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6559

Males

5449

M18-39

5449

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5610

Males

4757

M18-39

4757

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6811

Males

5443

M18-39

5443

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5959

Males

4898

M18-39

4898

Passing Analysis

Category:
Athletes Passed
1122
Passed By
1646
Net Change
-524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4189
5K → 10K273178+95#4189#4094
10K → 15K26244+218#4094#3876
15K → 20K118111+7#3876#3869
20K → Half871+86#3869#3783
Half → 25K8970+19#3783#3764
25K → 30K32434-402#3764#4166
30K → 20M22193-171#4166#4337
20M → 21M33130-97#4337#4434
21M → 35K3682-46#4434#4480
35K → 23M32187-155#4480#4635
23M → 24M3296-64#4635#4699
24M → 40K3642-6#4699#4705
40K → 25.2M1924-5#4705#4710
25.2M → Finish5154-3#4710#4713
TOTALS11221646-524
📊

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