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BOSTON MARATHON 2023

Michael Frossard

Bib: 15041•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:12:38
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:42:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:01:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:26:53
↑ 181↓ 1480.2%
20M
8:19/mi
2:38:11
↑ 64↓ 500.2%
21M
9:06/mi
2:47:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
2:53:32
↑ 17↓ 861.7%
23M
8:46/mi
3:04:31
↑ 23↓ 630.6%
24M
8:31/mi
3:13:02
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:20:34
↓ 200.3%
25.2M
10:15/mi
3:24:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:36/mi
3:32:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:26
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:50:26
Pace8:25 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0324:237:5124:23
7:51
-
10K
6.21 mi11:18:0248:227:4723:59
7:43
-0:08
15K
9.32 mi11:42:181:12:387:4824:16
7:49
+0:06
20K
12.43 mi12:06:451:37:057:4924:27
7:52
+0:03
Half
13.11 mi12:12:061:42:267:495:21
7:50
-0:02
25K
15.53 mi12:31:132:01:337:4919:07
7:53
+0:03
30K
18.64 mi12:56:332:26:537:5325:20
8:09
+0:16
20M
20.00 mi13:07:512:38:117:5511:18
8:19
+0:10
21M
21.00 mi13:16:572:47:177:589:06
9:06
+0:47
35K
21.75 mi13:23:122:53:327:596:15
8:21
-0:45
23M
23.00 mi13:34:113:04:318:0110:59
8:46
+0:25
24M
24.00 mi13:42:423:13:028:038:31
8:31
-0:15
40K
24.85 mi13:50:143:20:348:047:32
8:49
+0:18
25.2M
25.20 mi13:53:463:24:068:063:32
10:15
+1:26
Finish
26.22 mi14:02:323:32:528:078:46
8:36
-1:39

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

7:43 /mi

Average Pace

8:07 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:33

57% of race

Time at Steady Pace

1:00:10

28% of race

Time at Slower Pace

31:09

15% of race

Average Pace: 8:07 /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 mi10:54:0324:237:5124:23
7:51
#12813
10K
6.21 mi11:18:0248:227:4723:59
7:43
#12546
15K
9.32 mi11:42:181:12:387:4824:16
7:49
#12608
20K
12.43 mi12:06:451:37:057:4924:27
7:52
#12499
Half
13.11 mi12:12:061:42:267:495:21
7:50
#12524
25K
15.53 mi12:31:132:01:337:4919:07
7:53
#12394
30K
18.64 mi12:56:332:26:537:5325:20
8:09
#12300
20M
20.00 mi13:07:512:38:117:5511:18
8:19
#12281
21M
21.00 mi13:16:572:47:177:589:06
9:06
#12369
35K
21.75 mi13:23:122:53:327:596:15
8:21
#12457
23M
23.00 mi13:34:113:04:318:0110:59
8:46
#12608
24M
24.00 mi13:42:423:13:028:038:31
8:31
#12705
40K
24.85 mi13:50:143:20:348:047:32
8:49
#12815
25.2M
25.20 mi13:53:463:24:068:063:32
10:15
#12913
Finish
26.22 mi14:02:323:32:528:078:46
8:36
#13017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi128139465946512808(Top 48%)9440(Top 62%)9440(Top 460%)
10K6.21 mi3.10 mi12546+2679347+1189347+11812423(Top 47%)9303(Top 61%)9303(Top 453%)
15K9.32 mi3.11 mi12608-629357-109357-1012808(Top 48%)9440(Top 62%)9440(Top 460%)
20K12.43 mi3.11 mi12499+1099283+749283+7412325(Top 46%)9161(Top 60%)9161(Top 446%)
Half13.11 mi0.68 mi12524-259292-99292-913053(Top 49%)9510(Top 63%)9510(Top 463%)
25K15.53 mi2.42 mi12394+1309212+809212+8011794(Top 44%)8828(Top 58%)8828(Top 430%)
30K18.64 mi3.11 mi12300+949131+819131+8112019(Top 45%)8812(Top 58%)8812(Top 429%)
20M20.00 mi1.36 mi12281+199117+149117+1412445(Top 47%)8884(Top 59%)8884(Top 433%)
21M21.00 mi1.00 mi12369-889141-249141-2413969(Top 52%)9482(Top 62%)9482(Top 462%)
35K21.75 mi0.75 mi12457-889152-119152-1114393(Top 54%)9588(Top 63%)9588(Top 467%)
23M23.00 mi1.25 mi12608-1519199-479199-4714812(Top 56%)9720(Top 64%)9720(Top 474%)
24M24.00 mi1.00 mi12705-979214-159214-1514547(Top 55%)9544(Top 63%)9544(Top 465%)
40K24.85 mi0.85 mi12815-1109238-249238-2415111(Top 57%)9732(Top 64%)9732(Top 474%)
25.2M25.20 mi0.35 mi12913-989266-289266-2818218(Top 68%)11113(Top 73%)11113(Top 542%)
Finish26.22 mi1.02 mi13017-1049288-229288-2215968(Top 60%)10154(Top 67%)10154(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12808

Males

9440

M50-54

9440

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12423

Males

9303

M50-54

9303

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12808

Males

9440

M50-54

9440

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12325

Males

9161

M50-54

9161

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13053

Males

9510

M50-54

9510

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11794

Males

8828

M50-54

8828

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12019

Males

8812

M50-54

8812

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12445

Males

8884

M50-54

8884

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13969

Males

9482

M50-54

9482

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14393

Males

9588

M50-54

9588

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14812

Males

9720

M50-54

9720

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14547

Males

9544

M50-54

9544

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15111

Males

9732

M50-54

9732

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18218

Males

11113

M50-54

11113

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15968

Males

10154

M50-54

10154

Passing Analysis

Category:
Athletes Passed
1663
Passed By
1867
Net Change
-204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12813
5K → 10K458191+267#12813#12546
10K → 15K168230-62#12546#12608
15K → 20K227118+109#12608#12499
20K → Half2449-25#12499#12524
Half → 25K18858+130#12524#12394
25K → 30K248154+94#12394#12300
30K → 20M10384+19#12300#12281
20M → 21M62150-88#12281#12369
21M → 35K32120-88#12369#12457
35K → 23M41192-151#12457#12608
23M → 24M43140-97#12608#12705
24M → 40K33143-110#12705#12815
40K → 25.2M9107-98#12815#12913
25.2M → Finish27131-104#12913#13017
TOTALS16631867-204
📊

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