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BOSTON MARATHON 2023

Martin Grisolle

Bib: 9471•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M45-49)
#0 / 2252
Top 40%
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
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:47
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:32:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:37:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:55:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:19:42
↑ 181↓ 1480.2%
20M
7:34/mi
2:29:59
↑ 64↓ 500.2%
21M
7:41/mi
2:37:40
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:43:09
↑ 17↓ 861.7%
23M
7:30/mi
2:52:32
↑ 23↓ 630.6%
24M
7:03/mi
2:59:35
↓ 821.3%
40K· 24.85 mi
7:01/mi
3:05:35
↓ 200.3%
25.2M
7:32/mi
3:08:11
↑ 13↓ 160.2%
Finish· 26.22 mi
6:41/mi
3:15:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:54
Pace7:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:06
Pace7:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1623:217:3123:21
7:31
-
10K
6.21 mi11:12:3446:397:3023:18
7:30
-0:01
15K
9.32 mi11:35:421:09:477:2923:08
7:27
-0:03
20K
12.43 mi11:58:481:32:537:2823:06
7:26
-0:01
Half
13.11 mi12:03:491:37:547:285:01
7:21
-0:05
25K
15.53 mi12:21:531:55:587:2818:04
7:27
+0:06
30K
18.64 mi12:45:372:19:427:3023:44
7:38
+0:11
20M
20.00 mi12:55:542:29:597:3010:17
7:34
-0:04
21M
21.00 mi13:03:352:37:407:307:41
7:41
+0:07
35K
21.75 mi13:09:042:43:097:305:29
7:20
-0:21
23M
23.00 mi13:18:272:52:327:309:23
7:30
+0:10
24M
24.00 mi13:25:302:59:357:297:03
7:03
-0:27
40K
24.85 mi13:31:303:05:357:286:00
7:01
-0:02
25.2M
25.20 mi13:34:063:08:117:282:36
7:32
+0:31
Finish
26.22 mi13:40:553:15:007:276:49
6:41
-0:51

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

6:41 /mi

Average Pace

7:27 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:22

16% of race

Time at Steady Pace

2:44:38

84% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:49:1623:217:3123:21
7:31
#9740
10K
6.21 mi11:12:3446:397:3023:18
7:30
#10088
15K
9.32 mi11:35:421:09:477:2923:08
7:27
#9911
20K
12.43 mi11:58:481:32:537:2823:06
7:26
#9602
Half
13.11 mi12:03:491:37:547:285:01
7:21
#9572
25K
15.53 mi12:21:531:55:587:2818:04
7:27
#9348
30K
18.64 mi12:45:372:19:427:3023:44
7:38
#9108
20M
20.00 mi12:55:542:29:597:3010:17
7:34
#8941
21M
21.00 mi13:03:352:37:407:307:41
7:41
#8718
35K
21.75 mi13:09:042:43:097:305:29
7:20
#8650
23M
23.00 mi13:18:272:52:327:309:23
7:30
#8483
24M
24.00 mi13:25:302:59:357:297:03
7:03
#8274
40K
24.85 mi13:31:303:05:357:286:00
7:01
#8046
25.2M
25.20 mi13:34:063:08:117:282:36
7:32
#7953
Finish
26.22 mi13:40:553:15:007:276:49
6:41
#7726
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9740799879989710(Top 36%)7980(Top 53%)7980(Top 354%)
10K6.21 mi3.10 mi10088-3488194-1968194-19610418(Top 39%)8386(Top 55%)8386(Top 372%)
15K9.32 mi3.11 mi9911+1778110+848110+849710(Top 36%)7980(Top 53%)7980(Top 354%)
20K12.43 mi3.11 mi9602+3097919+1917919+1918774(Top 33%)7356(Top 48%)7356(Top 327%)
Half13.11 mi0.68 mi9572+307904+157904+158943(Top 34%)7459(Top 49%)7459(Top 331%)
25K15.53 mi2.42 mi9348+2247752+1527752+1528396(Top 32%)7057(Top 47%)7057(Top 313%)
30K18.64 mi3.11 mi9108+2407571+1817571+1818219(Top 31%)6815(Top 45%)6815(Top 303%)
20M20.00 mi1.36 mi8941+1677449+1227449+1227278(Top 27%)6143(Top 40%)6143(Top 273%)
21M21.00 mi1.00 mi8718+2237296+1537296+1535540(Top 21%)4866(Top 32%)4866(Top 216%)
35K21.75 mi0.75 mi8650+687237+597237+597311(Top 27%)6084(Top 40%)6084(Top 270%)
23M23.00 mi1.25 mi8483+1677108+1297108+1296386(Top 24%)5436(Top 36%)5436(Top 241%)
24M24.00 mi1.00 mi8274+2096955+1536955+1534934(Top 19%)4386(Top 29%)4386(Top 195%)
40K24.85 mi0.85 mi8046+2286796+1596796+1593956(Top 15%)3559(Top 23%)3559(Top 158%)
25.2M25.20 mi0.35 mi7953+936730+666730+664122(Top 15%)3664(Top 24%)3664(Top 163%)
Finish26.22 mi1.02 mi7726+2276564+1666564+1663481(Top 13%)3123(Top 21%)3123(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9710

Males

7980

M45-49

7980

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10418

Males

8386

M45-49

8386

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9710

Males

7980

M45-49

7980

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8774

Males

7356

M45-49

7356

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8943

Males

7459

M45-49

7459

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8396

Males

7057

M45-49

7057

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8219

Males

6815

M45-49

6815

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7278

Males

6143

M45-49

6143

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5540

Males

4866

M45-49

4866

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7311

Males

6084

M45-49

6084

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6386

Males

5436

M45-49

5436

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4934

Males

4386

M45-49

4386

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3956

Males

3559

M45-49

3559

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4122

Males

3664

M45-49

3664

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3481

Males

3123

M45-49

3123

Passing Analysis

Category:
Athletes Passed
2816*
Passed By
801
Net Change
+2014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9740
5K → 10K179526-348#9740#10088
10K → 15K280103+177#10088#9911
15K → 20K342*33+309#9911#9602
20K → Half4212+30#9602#9572
Half → 25K24622+224#9572#9348
25K → 30K289*49+240#9348#9108
30K → 20M18417+167#9108#8941
20M → 21M2329+223#8941#8718
21M → 35K7911+68#8718#8650
35K → 23M18215+167#8650#8483
23M → 24M2101+209#8483#8274
24M → 40K2302+228#8274#8046
40K → 25.2M930+93#8046#7953
25.2M → Finish2281+227#7953#7726
TOTALS2816*801+2014

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing