Boston Marathon logo
BOSTON MARATHON 2023

Guillaume Poirier

Bib: 6002•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M40-44)
#0 / 2241
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #4406
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
41:33
Rank: #3838 (+568)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:02:22
Rank: #3932 (-94)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:23:31
Rank: #4058 (-126)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:28:06
Rank: #4091 (-33)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:26
Rank: #3987 (+104)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:05:46
Rank: #3819 (+168)
25K → 30K
21:20 | 6:52/mi
20M
2:15:01
Rank: #3706 (+113)
30K → 20M
9:15 | 6:48/mi
21M
2:22:15
Rank: #3650 (+56)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:27:13
Rank: #3616 (+34)
21M → 35K
4:58 | 6:38/mi
23M
2:35:58
Rank: #3576 (+40)
35K → 23M
8:45 | 6:59/mi
24M
2:42:45
Rank: #3562 (+14)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:48:45
Rank: #3559 (+3)
24M → 40K
6:00 | 7:01/mi
25.2M
2:51:23
Rank: #3580 (-21)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:58:29
Rank: #3651 (-71)
25.2M → Finish
7:06 | 6:58/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
Time1:28:06
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:23
Pace6:54 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2221:036:4721:03
6:47
-
10K
6.21 mi10:44:5241:336:4120:30
6:36
-0:11
15K
9.32 mi11:05:411:02:226:4120:49
6:42
+0:06
20K
12.43 mi11:26:501:23:316:4321:09
6:48
+0:06
Half
13.11 mi11:31:251:28:066:434:35
6:43
-0:05
25K
15.53 mi11:47:451:44:266:4316:20
6:44
+0:01
30K
18.64 mi12:09:052:05:466:4521:20
6:52
+0:08
20M
20.00 mi12:18:202:15:016:459:15
6:48
-0:04
21M
21.00 mi12:25:342:22:156:467:14
7:14
+0:26
35K
21.75 mi12:30:322:27:136:464:58
6:38
-0:36
23M
23.00 mi12:39:172:35:586:478:45
6:59
+0:21
24M
24.00 mi12:46:042:42:456:476:47
6:47
-0:12
40K
24.85 mi12:52:042:48:456:476:00
7:01
+0:14
25.2M
25.20 mi12:54:422:51:236:482:38
7:38
+0:37
Finish
26.22 mi13:01:482:58:296:497:06
6:58
-0:40

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

6:36 /mi

Average Pace

6:49 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:51

99% of race

Time at Steady Pace

2:38

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:24:2221:036:4721:03
6:47
#4406
10K
6.21 mi10:44:5241:336:4120:30
6:36
#3838
15K
9.32 mi11:05:411:02:226:4120:49
6:42
#3932
20K
12.43 mi11:26:501:23:316:4321:09
6:48
#4058
Half
13.11 mi11:31:251:28:066:434:35
6:43
#4091
25K
15.53 mi11:47:451:44:266:4316:20
6:44
#3987
30K
18.64 mi12:09:052:05:466:4521:20
6:52
#3819
20M
20.00 mi12:18:202:15:016:459:15
6:48
#3706
21M
21.00 mi12:25:342:22:156:467:14
7:14
#3650
35K
21.75 mi12:30:322:27:136:464:58
6:38
#3616
23M
23.00 mi12:39:172:35:586:478:45
6:59
#3576
24M
24.00 mi12:46:042:42:456:476:47
6:47
#3562
40K
24.85 mi12:52:042:48:456:476:00
7:01
#3559
25.2M
25.20 mi12:54:422:51:236:482:38
7:38
#3580
Finish
26.22 mi13:01:482:58:296:497:06
6:58
#3651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4406411441144125(Top 15%)3871(Top 26%)3871(Top 173%)
10K6.21 mi3.10 mi3838+5683613+5013613+5013485(Top 13%)3301(Top 22%)3301(Top 147%)
15K9.32 mi3.11 mi3932-943702-893702-894125(Top 15%)3871(Top 26%)3871(Top 173%)
20K12.43 mi3.11 mi4058-1263811-1093811-1094490(Top 17%)4186(Top 28%)4186(Top 187%)
Half13.11 mi0.68 mi4091-333838-273838-274447(Top 17%)4139(Top 27%)4139(Top 185%)
25K15.53 mi2.42 mi3987+1043751+873751+873649(Top 14%)3438(Top 23%)3438(Top 153%)
30K18.64 mi3.11 mi3819+1683601+1503601+1503439(Top 13%)3235(Top 21%)3235(Top 144%)
20M20.00 mi1.36 mi3706+1133499+1023499+1022879(Top 11%)2714(Top 18%)2714(Top 121%)
21M21.00 mi1.00 mi3650+563451+483451+483282(Top 12%)3062(Top 20%)3062(Top 137%)
35K21.75 mi0.75 mi3616+343416+353416+353229(Top 12%)3014(Top 20%)3014(Top 134%)
23M23.00 mi1.25 mi3576+403378+383378+383715(Top 14%)3429(Top 23%)3429(Top 153%)
24M24.00 mi1.00 mi3562+143366+123366+123549(Top 13%)3260(Top 21%)3260(Top 145%)
40K24.85 mi0.85 mi3559+33360+63360+63917(Top 15%)3520(Top 23%)3520(Top 157%)
25.2M25.20 mi0.35 mi3580-213375-153375-154494(Top 17%)3907(Top 26%)3907(Top 174%)
Finish26.22 mi1.02 mi3651-713434-593434-594987(Top 19%)4258(Top 28%)4258(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4125

Males

3871

M40-44

3871

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3485

Males

3301

M40-44

3301

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4125

Males

3871

M40-44

3871

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4490

Males

4186

M40-44

4186

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4447

Males

4139

M40-44

4139

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3649

Males

3438

M40-44

3438

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3439

Males

3235

M40-44

3235

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2879

Males

2714

M40-44

2714

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3282

Males

3062

M40-44

3062

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3229

Males

3014

M40-44

3014

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3715

Males

3429

M40-44

3429

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3549

Males

3260

M40-44

3260

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3917

Males

3520

M40-44

3520

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4494

Males

3907

M40-44

3907

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4987

Males

4258

M40-44

4258

Passing Analysis

Category:
Athletes Passed
1588
Passed By
833
Net Change
+755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4406
5K → 10K61850+568#4406#3838
10K → 15K81175-94#3838#3932
15K → 20K70196-126#3932#4058
20K → Half1043-33#4058#4091
Half → 25K12925+104#4091#3987
25K → 30K20638+168#3987#3819
30K → 20M1229+113#3819#3706
20M → 21M8529+56#3706#3650
21M → 35K4915+34#3650#3616
35K → 23M8141+40#3616#3576
23M → 24M4935+14#3576#3562
24M → 40K4441+3#3562#3559
40K → 25.2M1132-21#3559#3580
25.2M → Finish33104-71#3580#3651
TOTALS1588833+755
📊

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