Boston Marathon logo
BOSTON MARATHON 2023

Hadrien Parizeau

Bib: 2680•M

QC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:36/mi
20:31
↑ 97↓ 3451.5%
10K· 6.21 mi
6:34/mi
40:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:01:40
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:22:26
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:27:00
↑ 19↓ 370.5%
25K· 15.53 mi
6:48/mi
1:43:30
↑ 66↓ 880.2%
30K· 18.64 mi
7:05/mi
2:05:29
↑ 181↓ 1480.2%
20M
7:10/mi
2:15:14
↑ 64↓ 500.2%
21M
8:03/mi
2:23:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:28:52
↑ 17↓ 861.7%
23M
8:32/mi
2:39:33
↑ 23↓ 630.6%
24M
8:55/mi
2:48:28
↓ 821.3%
40K· 24.85 mi
9:41/mi
2:56:45
↓ 200.3%
25.2M
9:57/mi
3:00:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:08:54
↑ 22↓ 21

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
Time1:27:00
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:41:54
Pace7:46 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2720:316:3620:31
6:36
-
10K
6.21 mi10:41:5240:566:3520:25
6:34
-0:02
15K
9.32 mi11:02:361:01:406:3720:44
6:40
+0:06
20K
12.43 mi11:23:221:22:266:3820:46
6:41
+0:01
Half
13.11 mi11:27:561:27:006:384:34
6:42
+0:01
25K
15.53 mi11:44:261:43:306:4016:30
6:48
+0:06
30K
18.64 mi12:06:252:05:296:4421:59
7:05
+0:17
20M
20.00 mi12:16:102:15:146:469:45
7:10
+0:05
21M
21.00 mi12:24:132:23:176:498:03
8:03
+0:53
35K
21.75 mi12:29:482:28:526:515:35
7:28
-0:35
23M
23.00 mi12:40:292:39:336:5610:41
8:32
+1:04
24M
24.00 mi12:49:242:48:287:018:55
8:55
+0:23
40K
24.85 mi12:57:412:56:457:078:17
9:41
+0:46
25.2M
25.20 mi13:01:073:00:117:093:26
9:57
+0:16
Finish
26.22 mi13:09:503:08:547:138:43
8:33
-1:24

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

6:34 /mi

Average Pace

7:13 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:56

22% of race

Time at Steady Pace

1:39:53

53% of race

Time at Slower Pace

48:05

25% of race

Average Pace: 7:12 /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 mi10:21:2720:316:3620:31
6:36
#2894
10K
6.21 mi10:41:5240:566:3520:25
6:34
#3076
15K
9.32 mi11:02:361:01:406:3720:44
6:40
#3321
20K
12.43 mi11:23:221:22:266:3820:46
6:41
#3333
Half
13.11 mi11:27:561:27:006:384:34
6:42
#3367
25K
15.53 mi11:44:261:43:306:4016:30
6:48
#3449
30K
18.64 mi12:06:252:05:296:4421:59
7:05
#3701
20M
20.00 mi12:16:102:15:146:469:45
7:10
#3787
21M
21.00 mi12:24:132:23:176:498:03
8:03
#4081
35K
21.75 mi12:29:482:28:526:515:35
7:28
#4260
23M
23.00 mi12:40:292:39:336:5610:41
8:32
#4836
24M
24.00 mi12:49:242:48:287:018:55
8:55
#5266
40K
24.85 mi12:57:412:56:457:078:17
9:41
#5711
25.2M
25.20 mi13:01:073:00:117:093:26
9:57
#5852
Finish
26.22 mi13:09:503:08:547:138:43
8:33
#6161
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2894275427543887(Top 15%)3655(Top 24%)3655(Top 69%)
10K6.21 mi3.10 mi3076-1822929-1752929-1753304(Top 12%)3146(Top 21%)3146(Top 60%)
15K9.32 mi3.11 mi3321-2453154-2253154-2253887(Top 15%)3655(Top 24%)3655(Top 69%)
20K12.43 mi3.11 mi3333-123168-143168-143457(Top 13%)3276(Top 22%)3276(Top 62%)
Half13.11 mi0.68 mi3367-343199-313199-314343(Top 16%)4067(Top 27%)4067(Top 77%)
25K15.53 mi2.42 mi3449-823273-743273-744224(Top 16%)3955(Top 26%)3955(Top 75%)
30K18.64 mi3.11 mi3701-2523497-2243497-2244804(Top 18%)4429(Top 29%)4429(Top 84%)
20M20.00 mi1.36 mi3787-863575-783575-785002(Top 19%)4548(Top 30%)4548(Top 86%)
21M21.00 mi1.00 mi4081-2943828-2533828-2537627(Top 29%)6253(Top 41%)6253(Top 118%)
35K21.75 mi0.75 mi4260-1793985-1573985-1578189(Top 31%)6590(Top 43%)6590(Top 125%)
23M23.00 mi1.25 mi4836-5764487-5024487-50213397(Top 50%)9085(Top 60%)9085(Top 172%)
24M24.00 mi1.00 mi5266-4304833-3464833-34616806(Top 63%)10528(Top 69%)10528(Top 199%)
40K24.85 mi0.85 mi5711-4455176-3435176-34318958(Top 71%)11458(Top 76%)11458(Top 217%)
25.2M25.20 mi0.35 mi5852-1415280-1045280-10417123(Top 64%)10592(Top 70%)10592(Top 200%)
Finish26.22 mi1.02 mi6161-3095501-2215501-22115687(Top 59%)10016(Top 66%)10016(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

3887

Males

3655

M18-39

3655

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3304

Males

3146

M18-39

3146

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

3887

Males

3655

M18-39

3655

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3457

Males

3276

M18-39

3276

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4343

Males

4067

M18-39

4067

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4224

Males

3955

M18-39

3955

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4804

Males

4429

M18-39

4429

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5002

Males

4548

M18-39

4548

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7627

Males

6253

M18-39

6253

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8189

Males

6590

M18-39

6590

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13397

Males

9085

M18-39

9085

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16806

Males

10528

M18-39

10528

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18958

Males

11458

M18-39

11458

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17123

Males

10592

M18-39

10592

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15687

Males

10016

M18-39

10016

Passing Analysis

Category:
Athletes Passed
368
Passed By
3635
Net Change
-3267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2894
5K → 10K88270-182#2894#3076
10K → 15K25270-245#3076#3321
15K → 20K8193-12#3321#3333
20K → Half438-34#3333#3367
Half → 25K43125-82#3367#3449
25K → 30K39291-252#3449#3701
30K → 20M36122-86#3701#3787
20M → 21M21315-294#3787#4081
21M → 35K7186-179#4081#4260
35K → 23M7583-576#4260#4836
23M → 24M3433-430#4836#5266
24M → 40K4449-445#5266#5711
40K → 25.2M2143-141#5711#5852
25.2M → Finish8317-309#5852#6161
TOTALS3683635-3267
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing