Boston Marathon logo
BOSTON MARATHON 2023

Olivier Sénéchal

Bib: 5338•M

QC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #2509
Start → 5K
20:19 | 6:32/mi
10K· 6.21 mi
40:32
Rank: #2656 (-147)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:00:37
Rank: #2552 (+104)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:20:49
Rank: #2470 (+82)
15K → 20K
20:12 | 6:30/mi
Half· 13.11 mi
1:25:14
Rank: #2467 (+3)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:04
Rank: #2447 (+20)
Half → 25K
15:50 | 6:32/mi
30K· 18.64 mi
2:02:06
Rank: #2474 (-27)
25K → 30K
21:02 | 6:46/mi
20M
2:11:28
Rank: #2495 (-21)
30K → 20M
9:22 | 6:54/mi
21M
2:18:42
Rank: #2510 (-15)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:23:47
Rank: #2527 (-17)
21M → 35K
5:05 | 6:48/mi
23M
2:32:25
Rank: #2509 (+18)
35K → 23M
8:38 | 6:54/mi
24M
2:39:16
Rank: #2546 (-37)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:45:29
Rank: #2650 (-104)
24M → 40K
6:13 | 7:16/mi
25.2M
2:48:05
Rank: #2661 (-11)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:55:00
Rank: #2693 (-32)
25.2M → Finish
6:55 | 6:47/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
Time1:25:14
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:46
Pace6:51 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0520:196:3220:19
6:32
-
10K
6.21 mi10:43:1840:326:3120:13
6:30
-0:02
15K
9.32 mi11:03:231:00:376:3020:05
6:28
-0:02
20K
12.43 mi11:23:351:20:496:3020:12
6:30
+0:02
Half
13.11 mi11:28:001:25:146:304:25
6:28
-0:02
25K
15.53 mi11:43:501:41:046:3015:50
6:32
+0:04
30K
18.64 mi12:04:522:02:066:3321:02
6:46
+0:14
20M
20.00 mi12:14:142:11:286:349:22
6:54
+0:08
21M
21.00 mi12:21:282:18:426:367:14
7:14
+0:20
35K
21.75 mi12:26:332:23:476:375:05
6:48
-0:26
23M
23.00 mi12:35:112:32:256:388:38
6:54
+0:06
24M
24.00 mi12:42:022:39:166:386:51
6:51
-0:03
40K
24.85 mi12:48:152:45:296:396:13
7:16
+0:25
25.2M
25.20 mi12:50:512:48:056:402:36
7:32
+0:16
Finish
26.22 mi12:57:462:55:006:416:55
6:47
-0:45

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

6:28 /mi

Average Pace

6:41 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:57

91% of race

Time at Steady Pace

16:03

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:23:0520:196:3220:19
6:32
#2509
10K
6.21 mi10:43:1840:326:3120:13
6:30
#2656
15K
9.32 mi11:03:231:00:376:3020:05
6:28
#2552
20K
12.43 mi11:23:351:20:496:3020:12
6:30
#2470
Half
13.11 mi11:28:001:25:146:304:25
6:28
#2467
25K
15.53 mi11:43:501:41:046:3015:50
6:32
#2447
30K
18.64 mi12:04:522:02:066:3321:02
6:46
#2474
20M
20.00 mi12:14:142:11:286:349:22
6:54
#2495
21M
21.00 mi12:21:282:18:426:367:14
7:14
#2510
35K
21.75 mi12:26:332:23:476:375:05
6:48
#2527
23M
23.00 mi12:35:112:32:256:388:38
6:54
#2509
24M
24.00 mi12:42:022:39:166:386:51
6:51
#2546
40K
24.85 mi12:48:152:45:296:396:13
7:16
#2650
25.2M
25.20 mi12:50:512:48:056:402:36
7:32
#2661
Finish
26.22 mi12:57:462:55:006:416:55
6:47
#2693
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2509239423942443(Top 9%)2343(Top 15%)2343(Top 44%)
10K6.21 mi3.10 mi2656-1472535-1412535-1412852(Top 11%)2724(Top 18%)2724(Top 52%)
15K9.32 mi3.11 mi2552+1042439+962439+962443(Top 9%)2343(Top 15%)2343(Top 44%)
20K12.43 mi3.11 mi2470+822365+742365+742312(Top 9%)2215(Top 15%)2215(Top 42%)
Half13.11 mi0.68 mi2467+32364+12364+12711(Top 10%)2595(Top 17%)2595(Top 49%)
25K15.53 mi2.42 mi2447+202344+202344+202345(Top 9%)2245(Top 15%)2245(Top 42%)
30K18.64 mi3.11 mi2474-272367-232367-232821(Top 11%)2675(Top 18%)2675(Top 51%)
20M20.00 mi1.36 mi2495-212388-212388-213412(Top 13%)3184(Top 21%)3184(Top 60%)
21M21.00 mi1.00 mi2510-152403-152403-153308(Top 12%)3079(Top 20%)3079(Top 58%)
35K21.75 mi0.75 mi2527-172418-152418-154223(Top 16%)3859(Top 25%)3859(Top 73%)
23M23.00 mi1.25 mi2509+182400+182400+183233(Top 12%)3002(Top 20%)3002(Top 57%)
24M24.00 mi1.00 mi2546-372432-322432-323967(Top 15%)3618(Top 24%)3618(Top 68%)
40K24.85 mi0.85 mi2650-1042529-972529-975309(Top 20%)4539(Top 30%)4539(Top 86%)
25.2M25.20 mi0.35 mi2661-112536-72536-74201(Top 16%)3674(Top 24%)3674(Top 70%)
Finish26.22 mi1.02 mi2693-322562-262562-264042(Top 15%)3563(Top 23%)3563(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2443

Males

2343

M18-39

2343

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2852

Males

2724

M18-39

2724

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2443

Males

2343

M18-39

2343

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2312

Males

2215

M18-39

2215

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2711

Males

2595

M18-39

2595

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2345

Males

2245

M18-39

2245

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2821

Males

2675

M18-39

2675

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3412

Males

3184

M18-39

3184

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3308

Males

3079

M18-39

3079

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4223

Males

3859

M18-39

3859

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3233

Males

3002

M18-39

3002

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3967

Males

3618

M18-39

3618

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5309

Males

4539

M18-39

4539

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4201

Males

3674

M18-39

3674

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4042

Males

3563

M18-39

3563

Passing Analysis

Category:
Athletes Passed
661
Passed By
845
Net Change
-184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2509
5K → 10K87234-147#2509#2656
10K → 15K14137+104#2656#2552
15K → 20K11331+82#2552#2470
20K → Half118+3#2470#2467
Half → 25K6141+20#2467#2447
25K → 30K5481-27#2447#2474
30K → 20M2849-21#2474#2495
20M → 21M3449-15#2495#2510
21M → 35K1431-17#2510#2527
35K → 23M5234+18#2527#2509
23M → 24M1754-37#2509#2546
24M → 40K13117-104#2546#2650
40K → 25.2M819-11#2650#2661
25.2M → Finish2860-32#2661#2693
TOTALS661845-184
📊

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