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BOSTON MARATHON 2023

Michael Groes

Bib: 9921•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M45-49)
#0 / 2252
Top 23%
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
7:04/mi
21:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
43:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:04:37
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:26:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:30:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:00/mi
1:47:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:11/mi
2:10:14
↑ 181↓ 1480.2%
20M
7:18/mi
2:20:09
↑ 64↓ 500.2%
21M
7:35/mi
2:27:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:33:01
↑ 17↓ 861.7%
23M
7:21/mi
2:42:13
↑ 23↓ 630.6%
24M
7:14/mi
2:49:27
↓ 821.3%
40K· 24.85 mi
7:34/mi
2:55:55
↓ 200.3%
25.2M
8:01/mi
2:58:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:06:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:35:19
Pace7:16 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5221:567:0421:56
7:04
-
10K
6.21 mi11:09:1243:166:5821:20
6:52
-0:12
15K
9.32 mi11:30:331:04:376:5621:21
6:52
0:00
20K
12.43 mi11:52:121:26:166:5621:39
6:58
+0:06
Half
13.11 mi11:56:541:30:586:564:42
6:53
-0:05
25K
15.53 mi12:13:521:47:566:5716:58
7:00
+0:07
30K
18.64 mi12:36:102:10:146:5922:18
7:11
+0:11
20M
20.00 mi12:46:052:20:097:009:55
7:18
+0:07
21M
21.00 mi12:53:402:27:447:027:35
7:35
+0:17
35K
21.75 mi12:58:572:33:017:025:17
7:04
-0:31
23M
23.00 mi13:08:092:42:137:039:12
7:21
+0:17
24M
24.00 mi13:15:232:49:277:047:14
7:14
-0:07
40K
24.85 mi13:21:512:55:557:056:28
7:34
+0:20
25.2M
25.20 mi13:24:372:58:417:052:46
8:01
+0:27
Finish
26.22 mi13:32:133:06:177:077:36
7:27
-0:34

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

6:52 /mi

Average Pace

7:07 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:28

91% of race

Time at Steady Pace

16:49

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:47:5221:567:0421:56
7:04
#6611
10K
6.21 mi11:09:1243:166:5821:20
6:52
#6296
15K
9.32 mi11:30:331:04:376:5621:21
6:52
#6080
20K
12.43 mi11:52:121:26:166:5621:39
6:58
#5992
Half
13.11 mi11:56:541:30:586:564:42
6:53
#5985
25K
15.53 mi12:13:521:47:566:5716:58
7:00
#5899
30K
18.64 mi12:36:102:10:146:5922:18
7:11
#5727
20M
20.00 mi12:46:052:20:097:009:55
7:18
#5690
21M
21.00 mi12:53:402:27:447:027:35
7:35
#5617
35K
21.75 mi12:58:572:33:017:025:17
7:04
#5605
23M
23.00 mi13:08:092:42:137:039:12
7:21
#5538
24M
24.00 mi13:15:232:49:277:047:14
7:14
#5520
40K
24.85 mi13:21:512:55:557:056:28
7:34
#5512
25.2M
25.20 mi13:24:372:58:417:052:46
8:01
#5508
Finish
26.22 mi13:32:133:06:177:077:36
7:27
#5538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6611597059705750(Top 22%)5268(Top 35%)5268(Top 234%)
10K6.21 mi3.10 mi6296+3155710+2605710+2605879(Top 22%)5365(Top 35%)5365(Top 238%)
15K9.32 mi3.11 mi6080+2165541+1695541+1695750(Top 22%)5268(Top 35%)5268(Top 234%)
20K12.43 mi3.11 mi5992+885469+725469+725776(Top 22%)5289(Top 35%)5289(Top 235%)
Half13.11 mi0.68 mi5985+75462+75462+75898(Top 22%)5407(Top 36%)5407(Top 240%)
25K15.53 mi2.42 mi5899+865402+605402+605560(Top 21%)5115(Top 34%)5115(Top 227%)
30K18.64 mi3.11 mi5727+1725252+1505252+1505370(Top 20%)4895(Top 32%)4895(Top 217%)
20M20.00 mi1.36 mi5690+375212+405212+405608(Top 21%)5001(Top 33%)5001(Top 222%)
21M21.00 mi1.00 mi5617+735150+625150+625000(Top 19%)4478(Top 30%)4478(Top 199%)
35K21.75 mi0.75 mi5605+125140+105140+105662(Top 21%)4993(Top 33%)4993(Top 222%)
23M23.00 mi1.25 mi5538+675069+715069+715551(Top 21%)4874(Top 32%)4874(Top 216%)
24M24.00 mi1.00 mi5520+185039+305039+305916(Top 22%)5046(Top 33%)5046(Top 224%)
40K24.85 mi0.85 mi5512+85023+165023+167061(Top 27%)5654(Top 37%)5654(Top 251%)
25.2M25.20 mi0.35 mi5508+45019+45019+46557(Top 25%)5283(Top 35%)5283(Top 235%)
Finish26.22 mi1.02 mi5538-305030-115030-118177(Top 31%)6250(Top 41%)6250(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5750

Males

5268

M45-49

5268

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5879

Males

5365

M45-49

5365

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5750

Males

5268

M45-49

5268

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5776

Males

5289

M45-49

5289

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5898

Males

5407

M45-49

5407

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5560

Males

5115

M45-49

5115

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5370

Males

4895

M45-49

4895

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5608

Males

5001

M45-49

5001

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5000

Males

4478

M45-49

4478

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5662

Males

4993

M45-49

4993

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5551

Males

4874

M45-49

4874

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5916

Males

5046

M45-49

5046

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7061

Males

5654

M45-49

5654

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6557

Males

5283

M45-49

5283

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8177

Males

6250

M45-49

6250

Passing Analysis

Category:
Athletes Passed
1614
Passed By
541
Net Change
+1073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6611
5K → 10K39580+315#6611#6296
10K → 15K24428+216#6296#6080
15K → 20K14052+88#6080#5992
20K → Half2518+7#5992#5985
Half → 25K12135+86#5985#5899
25K → 30K21745+172#5899#5727
30K → 20M7437+37#5727#5690
20M → 21M9017+73#5690#5617
21M → 35K3826+12#5617#5605
35K → 23M10235+67#5605#5538
23M → 24M5840+18#5538#5520
24M → 40K4739+8#5520#5512
40K → 25.2M2117+4#5512#5508
25.2M → Finish4272-30#5508#5538
TOTALS1614541+1073
📊

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