Boston Marathon logo
BOSTON MARATHON 2023

Julien Labesse

Bib: 2486•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M40-44)
#0 / 2241
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:28
Rank: #1315
Start → 5K
19:28 | 6:16/mi
10K· 6.21 mi
38:40
Rank: #1264 (+51)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:46
Rank: #1189 (+75)
10K → 15K
19:06 | 6:09/mi
20K· 12.43 mi
1:17:08
Rank: #1175 (+14)
15K → 20K
19:22 | 6:14/mi
Half· 13.11 mi
1:21:18
Rank: #1163 (+12)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:33
Rank: #1174 (-11)
Half → 25K
15:15 | 6:17/mi
30K· 18.64 mi
1:56:42
Rank: #1205 (-31)
25K → 30K
20:09 | 6:29/mi
20M
2:05:41
Rank: #1231 (-26)
30K → 20M
8:59 | 6:37/mi
21M
2:12:43
Rank: #1269 (-38)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:17:32
Rank: #1286 (-17)
21M → 35K
4:49 | 6:26/mi
23M
2:26:08
Rank: #1344 (-58)
35K → 23M
8:36 | 6:52/mi
24M
2:32:54
Rank: #1401 (-57)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:38:55
Rank: #1454 (-53)
24M → 40K
6:01 | 7:02/mi
25.2M
2:41:30
Rank: #1485 (-31)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:48:37
Rank: #1560 (-75)
25.2M → Finish
7:07 | 6:59/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
Time1:21:18
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:27:19
Pace6:40 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1119:286:1619:28
6:16
-
10K
6.21 mi10:39:2338:406:1319:12
6:11
-0:05
15K
9.32 mi10:58:2957:466:1219:06
6:09
-0:02
20K
12.43 mi11:17:511:17:086:1219:22
6:14
+0:05
Half
13.11 mi11:22:011:21:186:124:10
6:06
-0:08
25K
15.53 mi11:37:161:36:336:1315:15
6:17
+0:11
30K
18.64 mi11:57:251:56:426:1620:09
6:29
+0:12
20M
20.00 mi12:06:242:05:416:178:59
6:37
+0:08
21M
21.00 mi12:13:262:12:436:197:02
7:02
+0:25
35K
21.75 mi12:18:152:17:326:194:49
6:26
-0:36
23M
23.00 mi12:26:512:26:086:218:36
6:52
+0:26
24M
24.00 mi12:33:372:32:546:226:46
6:46
-0:06
40K
24.85 mi12:39:382:38:556:246:01
7:02
+0:16
25.2M
25.20 mi12:42:132:41:306:252:35
7:29
+0:27
Finish
26.22 mi12:49:202:48:376:267:07
6:59
-0:30

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

6:06 /mi

Average Pace

6:26 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:18

48% of race

Time at Steady Pace

49:12

29% of race

Time at Slower Pace

38:07

23% of race

Average Pace: 6:26 /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 mi10:20:1119:286:1619:28
6:16
#1315
10K
6.21 mi10:39:2338:406:1319:12
6:11
#1264
15K
9.32 mi10:58:2957:466:1219:06
6:09
#1189
20K
12.43 mi11:17:511:17:086:1219:22
6:14
#1175
Half
13.11 mi11:22:011:21:186:124:10
6:06
#1163
25K
15.53 mi11:37:161:36:336:1315:15
6:17
#1174
30K
18.64 mi11:57:251:56:426:1620:09
6:29
#1205
20M
20.00 mi12:06:242:05:416:178:59
6:37
#1231
21M
21.00 mi12:13:262:12:436:197:02
7:02
#1269
35K
21.75 mi12:18:152:17:326:194:49
6:26
#1286
23M
23.00 mi12:26:512:26:086:218:36
6:52
#1344
24M
24.00 mi12:33:372:32:546:226:46
6:46
#1401
40K
24.85 mi12:39:382:38:556:246:01
7:02
#1454
25.2M
25.20 mi12:42:132:41:306:252:35
7:29
#1485
Finish
26.22 mi12:49:202:48:376:267:07
6:59
#1560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1315124912491097(Top 4%)1044(Top 7%)1044(Top 47%)
10K6.21 mi3.10 mi1264+511199+501199+501265(Top 5%)1202(Top 8%)1202(Top 54%)
15K9.32 mi3.11 mi1189+751128+711128+711097(Top 4%)1044(Top 7%)1044(Top 47%)
20K12.43 mi3.11 mi1175+141119+91119+91162(Top 4%)1109(Top 7%)1109(Top 49%)
Half13.11 mi0.68 mi1163+121107+121107+121062(Top 4%)1014(Top 7%)1014(Top 45%)
25K15.53 mi2.42 mi1174-111119-121119-121303(Top 5%)1246(Top 8%)1246(Top 56%)
30K18.64 mi3.11 mi1205-311150-311150-311517(Top 6%)1452(Top 10%)1452(Top 65%)
20M20.00 mi1.36 mi1231-261176-261176-261887(Top 7%)1799(Top 12%)1799(Top 80%)
21M21.00 mi1.00 mi1269-381213-371213-372265(Top 9%)2138(Top 14%)2138(Top 95%)
35K21.75 mi0.75 mi1286-171227-141227-142090(Top 8%)1983(Top 13%)1983(Top 88%)
23M23.00 mi1.25 mi1344-581281-541281-543015(Top 11%)2810(Top 19%)2810(Top 125%)
24M24.00 mi1.00 mi1401-571337-561337-563433(Top 13%)3158(Top 21%)3158(Top 141%)
40K24.85 mi0.85 mi1454-531387-501387-503989(Top 15%)3571(Top 24%)3571(Top 159%)
25.2M25.20 mi0.35 mi1485-311418-311418-313751(Top 14%)3341(Top 22%)3341(Top 149%)
Finish26.22 mi1.02 mi1560-751492-741492-745070(Top 19%)4305(Top 28%)4305(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1097

Males

1044

M40-44

1044

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1265

Males

1202

M40-44

1202

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1097

Males

1044

M40-44

1044

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1162

Males

1109

M40-44

1109

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1062

Males

1014

M40-44

1014

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1303

Males

1246

M40-44

1246

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1517

Males

1452

M40-44

1452

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1887

Males

1799

M40-44

1799

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2265

Males

2138

M40-44

2138

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2090

Males

1983

M40-44

1983

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3015

Males

2810

M40-44

2810

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3433

Males

3158

M40-44

3158

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3989

Males

3571

M40-44

3571

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3751

Males

3341

M40-44

3341

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5070

Males

4305

M40-44

4305

Passing Analysis

Category:
Athletes Passed
363
Passed By
608
Net Change
-245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1315
5K → 10K10251+51#1315#1264
10K → 15K849+75#1264#1189
15K → 20K4228+14#1189#1175
20K → Half131+12#1175#1163
Half → 25K2031-11#1163#1174
25K → 30K3162-31#1174#1205
30K → 20M1036-26#1205#1231
20M → 21M1250-38#1231#1269
21M → 35K1431-17#1269#1286
35K → 23M1472-58#1286#1344
23M → 24M764-57#1344#1401
24M → 40K659-53#1401#1454
40K → 25.2M536-31#1454#1485
25.2M → Finish378-75#1485#1560
TOTALS363608-245
📊

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