Boston Marathon logo
BOSTON MARATHON 2023

Jacques Libresco-Puckett

Bib: 3934•M

MN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #1827
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
39:43
Rank: #1944 (-117)
5K → 10K
19:49 | 6:23/mi
15K· 9.32 mi
59:11
Rank: #1783 (+161)
10K → 15K
19:28 | 6:16/mi
20K· 12.43 mi
1:19:04
Rank: #1764 (+19)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:23:21
Rank: #1764
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:31
Rank: #1666 (+98)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:58:15
Rank: #1510 (+156)
25K → 30K
19:44 | 6:21/mi
20M
2:06:54
Rank: #1464 (+46)
30K → 20M
8:39 | 6:22/mi
21M
2:13:30
Rank: #1408 (+56)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:17:59
Rank: #1364 (+44)
21M → 35K
4:29 | 6:00/mi
23M
2:25:48
Rank: #1295 (+69)
35K → 23M
7:49 | 6:15/mi
24M
2:31:53
Rank: #1239 (+56)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:37:20
Rank: #1221 (+18)
24M → 40K
5:27 | 6:22/mi
25.2M
2:39:48
Rank: #1229 (-8)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:46:13
Rank: #1231 (-2)
25.2M → Finish
6:25 | 6:18/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 Half⚖️ Balanced
Distance13.11 mi
Time1:23:21
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:52
Pace6:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0519:546:2419:54
6:24
-
10K
6.21 mi10:40:5439:436:2419:49
6:23
-0:01
15K
9.32 mi11:00:2259:116:2119:28
6:16
-0:07
20K
12.43 mi11:20:151:19:046:2219:53
6:24
+0:08
Half
13.11 mi11:24:321:23:216:214:17
6:17
-0:07
25K
15.53 mi11:39:421:38:316:2115:10
6:15
-0:02
30K
18.64 mi11:59:261:58:156:2119:44
6:21
+0:06
20M
20.00 mi12:08:052:06:546:218:39
6:22
+0:01
21M
21.00 mi12:14:412:13:306:216:36
6:36
+0:14
35K
21.75 mi12:19:102:17:596:214:29
6:00
-0:36
23M
23.00 mi12:26:592:25:486:207:49
6:15
+0:15
24M
24.00 mi12:33:042:31:536:206:05
6:05
-0:10
40K
24.85 mi12:38:312:37:206:205:27
6:22
+0:17
25.2M
25.20 mi12:40:592:39:486:202:28
7:09
+0:47
Finish
26.22 mi12:47:242:46:136:216:25
6:18
-0:51

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

6:00 /mi

Average Pace

6:21 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:45

99% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:28

1% of race

Average Pace: 6:20 /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 mi10:21:0519:546:2419:54
6:24
#1827
10K
6.21 mi10:40:5439:436:2419:49
6:23
#1944
15K
9.32 mi11:00:2259:116:2119:28
6:16
#1783
20K
12.43 mi11:20:151:19:046:2219:53
6:24
#1764
Half
13.11 mi11:24:321:23:216:214:17
6:17
#1764
25K
15.53 mi11:39:421:38:316:2115:10
6:15
#1666
30K
18.64 mi11:59:261:58:156:2119:44
6:21
#1510
20M
20.00 mi12:08:052:06:546:218:39
6:22
#1464
21M
21.00 mi12:14:412:13:306:216:36
6:36
#1408
35K
21.75 mi12:19:102:17:596:214:29
6:00
#1364
23M
23.00 mi12:26:592:25:486:207:49
6:15
#1295
24M
24.00 mi12:33:042:31:536:206:05
6:05
#1239
40K
24.85 mi12:38:312:37:206:205:27
6:22
#1221
25.2M
25.20 mi12:40:592:39:486:202:28
7:09
#1229
Finish
26.22 mi12:47:242:46:136:216:25
6:18
#1231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1827174217421489(Top 6%)1421(Top 9%)1421(Top 27%)
10K6.21 mi3.10 mi1944-1171861-1191861-1192113(Top 8%)2024(Top 13%)2024(Top 38%)
15K9.32 mi3.11 mi1783+1611705+1561705+1561489(Top 6%)1421(Top 9%)1421(Top 27%)
20K12.43 mi3.11 mi1764+191687+181687+181789(Top 7%)1712(Top 11%)1712(Top 32%)
Half13.11 mi0.68 mi1764168716871664(Top 6%)1594(Top 11%)1594(Top 30%)
25K15.53 mi2.42 mi1666+981594+931594+931166(Top 4%)1112(Top 7%)1112(Top 21%)
30K18.64 mi3.11 mi1510+1561443+1511443+1511068(Top 4%)1017(Top 7%)1017(Top 19%)
20M20.00 mi1.36 mi1464+461399+441399+441039(Top 4%)995(Top 7%)995(Top 19%)
21M21.00 mi1.00 mi1408+561345+541345+54879(Top 3%)833(Top 5%)833(Top 16%)
35K21.75 mi0.75 mi1364+441301+441301+44687(Top 3%)647(Top 4%)647(Top 12%)
23M23.00 mi1.25 mi1295+691236+651236+65712(Top 3%)672(Top 4%)672(Top 13%)
24M24.00 mi1.00 mi1239+561182+541182+54738(Top 3%)700(Top 5%)700(Top 13%)
40K24.85 mi0.85 mi1221+181164+181164+181124(Top 4%)1063(Top 7%)1063(Top 20%)
25.2M25.20 mi0.35 mi1229-81172-81172-82237(Top 8%)2070(Top 14%)2070(Top 39%)
Finish26.22 mi1.02 mi1231-21174-21174-21600(Top 6%)1505(Top 10%)1505(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1489

Males

1421

M18-39

1421

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2113

Males

2024

M18-39

2024

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1489

Males

1421

M18-39

1421

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1789

Males

1712

M18-39

1712

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1664

Males

1594

M18-39

1594

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1166

Males

1112

M18-39

1112

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1068

Males

1017

M18-39

1017

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1039

Males

995

M18-39

995

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

879

Males

833

M18-39

833

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

687

Males

647

M18-39

647

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

712

Males

672

M18-39

672

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

738

Males

700

M18-39

700

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1124

Males

1063

M18-39

1063

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2237

Males

2070

M18-39

2070

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1600

Males

1505

M18-39

1505

Passing Analysis

Category:
Athletes Passed
882
Passed By
286
Net Change
+596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1827
5K → 10K55172-117#1827#1944
10K → 15K17211+161#1944#1783
15K → 20K5839+19#1783#1764
20K → Half990#1764#1764
Half → 25K991+98#1764#1666
25K → 30K1582+156#1666#1510
30K → 20M537+46#1510#1464
20M → 21M593+56#1464#1408
21M → 35K440+44#1408#1364
35K → 23M712+69#1364#1295
23M → 24M571+56#1295#1239
24M → 40K279+18#1239#1221
40K → 25.2M614-8#1221#1229
25.2M → Finish1416-2#1229#1231
TOTALS882286+596
📊

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