Boston Marathon logo
BOSTON MARATHON 2023

Stephane Montpetit

Bib: 8830•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M45-49)
#0 / 2252
Top 21%
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
6:47/mi
21:06
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:03:31
↑ 67↓ 78
20K· 12.43 mi
6:55/mi
1:25:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:29:40
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:46:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:12/mi
2:08:55
↑ 181↓ 1480.2%
20M
7:14/mi
2:18:45
↑ 64↓ 500.2%
21M
7:47/mi
2:26:32
↑ 106↓ 241.6%
35K· 21.75 mi
6:58/mi
2:31:45
↑ 17↓ 861.7%
23M
7:22/mi
2:40:58
↑ 23↓ 630.6%
24M
7:16/mi
2:48:14
↓ 821.3%
40K· 24.85 mi
7:29/mi
2:54:38
↓ 200.3%
25.2M
7:56/mi
2:57:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:04:55
↑ 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
Time1:29:40
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:35:15
Pace7:16 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2221:066:4721:06
6:47
-
10K
6.21 mi11:07:3342:176:4821:11
6:49
+0:02
15K
9.32 mi11:28:471:03:316:4921:14
6:50
+0:01
20K
12.43 mi11:50:161:25:006:5021:29
6:55
+0:05
Half
13.11 mi11:54:561:29:406:504:40
6:50
-0:05
25K
15.53 mi12:11:481:46:326:5116:52
6:57
+0:07
30K
18.64 mi12:34:112:08:556:5522:23
7:12
+0:15
20M
20.00 mi12:44:012:18:456:569:50
7:14
+0:02
21M
21.00 mi12:51:482:26:326:597:47
7:47
+0:33
35K
21.75 mi12:57:012:31:456:595:13
6:58
-0:49
23M
23.00 mi13:06:142:40:587:009:13
7:22
+0:24
24M
24.00 mi13:13:302:48:147:017:16
7:16
-0:06
40K
24.85 mi13:19:542:54:387:026:24
7:29
+0:13
25.2M
25.20 mi13:22:382:57:227:022:44
7:56
+0:27
Finish
26.22 mi13:30:113:04:557:037:33
7:25
-0:31

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

6:47 /mi

Average Pace

7:03 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:00

91% of race

Time at Steady Pace

16:55

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi10:46:2221:066:4721:06
6:47
#4602
10K
6.21 mi11:07:3342:176:4821:11
6:49
#5008
15K
9.32 mi11:28:471:03:316:4921:14
6:50
#5129
20K
12.43 mi11:50:161:25:006:5021:29
6:55
#5232
Half
13.11 mi11:54:561:29:406:504:40
6:50
#5260
25K
15.53 mi12:11:481:46:326:5116:52
6:57
#5261
30K
18.64 mi12:34:112:08:556:5522:23
7:12
#5296
20M
20.00 mi12:44:012:18:456:569:50
7:14
#5272
21M
21.00 mi12:51:482:26:326:597:47
7:47
#5269
35K
21.75 mi12:57:012:31:456:595:13
6:58
#5242
23M
23.00 mi13:06:142:40:587:009:13
7:22
#5223
24M
24.00 mi13:13:302:48:147:017:16
7:16
#5202
40K
24.85 mi13:19:542:54:387:026:24
7:29
#5203
25.2M
25.20 mi13:22:382:57:227:022:44
7:56
#5189
Finish
26.22 mi13:30:113:04:557:037:33
7:25
#5240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4602429042905428(Top 20%)5005(Top 33%)5005(Top 222%)
10K6.21 mi3.10 mi5008-4064645-3554645-3555470(Top 21%)5040(Top 33%)5040(Top 224%)
15K9.32 mi3.11 mi5129-1214756-1114756-1115428(Top 20%)5005(Top 33%)5005(Top 222%)
20K12.43 mi3.11 mi5232-1034850-944850-945440(Top 20%)5021(Top 33%)5021(Top 223%)
Half13.11 mi0.68 mi5260-284875-254875-255578(Top 21%)5138(Top 34%)5138(Top 228%)
25K15.53 mi2.42 mi5261-14874+14874+15327(Top 20%)4909(Top 32%)4909(Top 218%)
30K18.64 mi3.11 mi5296-354893-194893-195524(Top 21%)5011(Top 33%)5011(Top 223%)
20M20.00 mi1.36 mi5272+244867+264867+265288(Top 20%)4763(Top 31%)4763(Top 212%)
21M21.00 mi1.00 mi5269+34858+94858+96067(Top 23%)5236(Top 35%)5236(Top 233%)
35K21.75 mi0.75 mi5242+274824+344824+345170(Top 19%)4621(Top 30%)4621(Top 205%)
23M23.00 mi1.25 mi5223+194800+244800+245619(Top 21%)4921(Top 32%)4921(Top 219%)
24M24.00 mi1.00 mi5202+214774+264774+266122(Top 23%)5169(Top 34%)5169(Top 230%)
40K24.85 mi0.85 mi5203-14771+34771+36601(Top 25%)5389(Top 36%)5389(Top 239%)
25.2M25.20 mi0.35 mi5189+144755+164755+166009(Top 23%)4940(Top 33%)4940(Top 219%)
Finish26.22 mi1.02 mi5240-514793-384793-387814(Top 29%)6049(Top 40%)6049(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5428

Males

5005

M45-49

5005

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5470

Males

5040

M45-49

5040

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5428

Males

5005

M45-49

5005

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5440

Males

5021

M45-49

5021

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5578

Males

5138

M45-49

5138

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5327

Males

4909

M45-49

4909

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5524

Males

5011

M45-49

5011

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5288

Males

4763

M45-49

4763

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6067

Males

5236

M45-49

5236

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5170

Males

4621

M45-49

4621

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5619

Males

4921

M45-49

4921

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6122

Males

5169

M45-49

5169

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6601

Males

5389

M45-49

5389

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6009

Males

4940

M45-49

4940

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7814

Males

6049

M45-49

6049

Passing Analysis

Category:
Athletes Passed
850
Passed By
1488
Net Change
-638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4602
5K → 10K67473-406#4602#5008
10K → 15K66187-121#5008#5129
15K → 20K76179-103#5129#5232
20K → Half1038-28#5232#5260
Half → 25K9091-1#5260#5261
25K → 30K121156-35#5261#5296
30K → 20M7551+24#5296#5272
20M → 21M6158+3#5272#5269
21M → 35K5124+27#5269#5242
35K → 23M6849+19#5242#5223
23M → 24M6342+21#5223#5202
24M → 40K4445-1#5202#5203
40K → 25.2M2612+14#5203#5189
25.2M → Finish3283-51#5189#5240
TOTALS8501488-638
📊

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