Boston Marathon logo
BOSTON MARATHON 2023

Jared Leithead

Bib: 2973•M

WY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #2998
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
40:54
Rank: #3028 (-30)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:15
Rank: #2992 (+36)
10K → 15K
20:21 | 6:33/mi
20K· 12.43 mi
1:21:57
Rank: #3048 (-56)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:26:26
Rank: #3048
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:43
Rank: #3081 (-33)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:14
Rank: #3158 (-77)
25K → 30K
21:31 | 6:56/mi
20M
2:13:48
Rank: #3215 (-57)
30K → 20M
9:34 | 7:02/mi
21M
2:21:40
Rank: #3424 (-209)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:26:47
Rank: #3441 (-17)
21M → 35K
5:07 | 6:50/mi
23M
2:35:53
Rank: #3547 (-106)
35K → 23M
9:06 | 7:16/mi
24M
2:42:54
Rank: #3620 (-73)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:49:27
Rank: #3829 (-209)
24M → 40K
6:33 | 7:40/mi
25.2M
2:52:18
Rank: #3922 (-93)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
2:59:29
Rank: #4027 (-105)
25.2M → Finish
7:11 | 7:03/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
Time1:26:26
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:33:03
Pace7:06 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3220:336:3720:33
6:37
-
10K
6.21 mi10:41:5340:546:3520:21
6:33
-0:04
15K
9.32 mi11:02:141:01:156:3420:21
6:33
0:00
20K
12.43 mi11:22:561:21:576:3620:42
6:40
+0:07
Half
13.11 mi11:27:251:26:266:364:29
6:34
-0:06
25K
15.53 mi11:43:421:42:436:3716:17
6:43
+0:09
30K
18.64 mi12:05:132:04:146:4021:31
6:56
+0:13
20M
20.00 mi12:14:472:13:486:419:34
7:02
+0:06
21M
21.00 mi12:22:392:21:406:457:52
7:52
+0:50
35K
21.75 mi12:27:462:26:476:455:07
6:50
-1:02
23M
23.00 mi12:36:522:35:536:479:06
7:16
+0:26
24M
24.00 mi12:43:532:42:546:477:01
7:01
-0:15
40K
24.85 mi12:50:262:49:276:496:33
7:40
+0:39
25.2M
25.20 mi12:53:172:52:186:502:51
8:16
+0:36
Finish
26.22 mi13:00:282:59:296:517:11
7:03
-1:13

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

6:33 /mi

Average Pace

6:51 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:26

48% of race

Time at Steady Pace

1:06:41

37% of race

Time at Slower Pace

26:22

15% of race

Average Pace: 6:51 /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 mi10:21:3220:336:3720:33
6:37
#2998
10K
6.21 mi10:41:5340:546:3520:21
6:33
#3028
15K
9.32 mi11:02:141:01:156:3420:21
6:33
#2992
20K
12.43 mi11:22:561:21:576:3620:42
6:40
#3048
Half
13.11 mi11:27:251:26:266:364:29
6:34
#3048
25K
15.53 mi11:43:421:42:436:3716:17
6:43
#3081
30K
18.64 mi12:05:132:04:146:4021:31
6:56
#3158
20M
20.00 mi12:14:472:13:486:419:34
7:02
#3215
21M
21.00 mi12:22:392:21:406:457:52
7:52
#3424
35K
21.75 mi12:27:462:26:476:455:07
6:50
#3441
23M
23.00 mi12:36:522:35:536:479:06
7:16
#3547
24M
24.00 mi12:43:532:42:546:477:01
7:01
#3620
40K
24.85 mi12:50:262:49:276:496:33
7:40
#3829
25.2M
25.20 mi12:53:172:52:186:502:51
8:16
#3922
Finish
26.22 mi13:00:282:59:296:517:11
7:03
#4027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2998284028402948(Top 11%)2814(Top 19%)2814(Top 53%)
10K6.21 mi3.10 mi3028-302883-432883-433148(Top 12%)3000(Top 20%)3000(Top 57%)
15K9.32 mi3.11 mi2992+362852+312852+312948(Top 11%)2814(Top 19%)2814(Top 53%)
20K12.43 mi3.11 mi3048-562910-582910-583305(Top 12%)3135(Top 21%)3135(Top 59%)
Half13.11 mi0.68 mi30482908+22908+23315(Top 12%)3148(Top 21%)3148(Top 60%)
25K15.53 mi2.42 mi3081-332938-302938-303517(Top 13%)3322(Top 22%)3322(Top 63%)
30K18.64 mi3.11 mi3158-773008-703008-703856(Top 14%)3611(Top 24%)3611(Top 68%)
20M20.00 mi1.36 mi3215-573054-463054-464301(Top 16%)3961(Top 26%)3961(Top 75%)
21M21.00 mi1.00 mi3424-2093242-1883242-1886597(Top 25%)5599(Top 37%)5599(Top 106%)
35K21.75 mi0.75 mi3441-173258-163258-164512(Top 17%)4103(Top 27%)4103(Top 78%)
23M23.00 mi1.25 mi3547-1063351-933351-935180(Top 19%)4588(Top 30%)4588(Top 87%)
24M24.00 mi1.00 mi3620-733415-643415-644802(Top 18%)4272(Top 28%)4272(Top 81%)
40K24.85 mi0.85 mi3829-2093598-1833598-1837772(Top 29%)6088(Top 40%)6088(Top 115%)
25.2M25.20 mi0.35 mi3922-933674-763674-768231(Top 31%)6264(Top 41%)6264(Top 119%)
Finish26.22 mi1.02 mi4027-1053768-943768-945567(Top 21%)4621(Top 30%)4621(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2948

Males

2814

M18-39

2814

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3148

Males

3000

M18-39

3000

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2948

Males

2814

M18-39

2814

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3305

Males

3135

M18-39

3135

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3315

Males

3148

M18-39

3148

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3517

Males

3322

M18-39

3322

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3856

Males

3611

M18-39

3611

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4301

Males

3961

M18-39

3961

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6597

Males

5599

M18-39

5599

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4512

Males

4103

M18-39

4103

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5180

Males

4588

M18-39

4588

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4802

Males

4272

M18-39

4272

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7772

Males

6088

M18-39

6088

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8231

Males

6264

M18-39

6264

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5567

Males

4621

M18-39

4621

Passing Analysis

Category:
Athletes Passed
637
Passed By
1666
Net Change
-1029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2998
5K → 10K146176-30#2998#3028
10K → 15K11276+36#3028#2992
15K → 20K64120-56#2992#3048
20K → Half14140#3048#3048
Half → 25K5487-33#3048#3081
25K → 30K68145-77#3081#3158
30K → 20M3996-57#3158#3215
20M → 21M12221-209#3215#3424
21M → 35K2441-17#3424#3441
35K → 23M39145-106#3441#3547
23M → 24M1992-73#3547#3620
24M → 40K17226-209#3620#3829
40K → 25.2M7100-93#3829#3922
25.2M → Finish22127-105#3922#4027
TOTALS6371666-1029
📊

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