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BOSTON MARATHON 2023

Michael Fronsoe

Bib: 9965•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:34
Rank: #15651
Start → 5K
25:34 | 8:14/mi
10K· 6.21 mi
50:45
Rank: #15598 (+53)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:16:26
Rank: #15828 (-230)
10K → 15K
25:41 | 8:16/mi
20K· 12.43 mi
1:43:51
Rank: #16673 (-845)
15K → 20K
27:25 | 8:49/mi
Half· 13.11 mi
1:49:16
Rank: #16529 (+144)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:10:24
Rank: #16694 (-165)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:40:16
Rank: #17340 (-646)
25K → 30K
29:52 | 9:37/mi
20M
2:53:25
Rank: #17549 (-209)
30K → 20M
13:09 | 9:41/mi
21M
3:02:35
Rank: #17342 (+207)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
3:09:00
Rank: #17280 (+62)
21M → 35K
6:25 | 8:35/mi
23M
3:21:54
Rank: #17635 (-355)
35K → 23M
12:54 | 10:18/mi
24M
3:30:42
Rank: #17576 (+59)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:38:18
Rank: #17515 (+61)
24M → 40K
7:36 | 8:53/mi
25.2M
3:42:31
Rank: #17704 (-189)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
3:52:23
Rank: #17847 (-143)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:16
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:03:07
Pace9:24 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3225:348:1425:34
8:14
-
10K
6.21 mi11:16:4350:458:1025:11
8:06
-0:08
15K
9.32 mi11:42:241:16:268:1225:41
8:16
+0:10
20K
12.43 mi12:09:491:43:518:2127:25
8:49
+0:33
Half
13.11 mi12:15:141:49:168:205:25
7:56
-0:53
25K
15.53 mi12:36:222:10:248:2421:08
8:43
+0:47
30K
18.64 mi13:06:142:40:168:3629:52
9:37
+0:54
20M
20.00 mi13:19:232:53:258:4013:09
9:41
+0:04
21M
21.00 mi13:28:333:02:358:429:10
9:10
-0:31
35K
21.75 mi13:34:583:09:008:416:25
8:35
-0:35
23M
23.00 mi13:47:523:21:548:4712:54
10:18
+1:43
24M
24.00 mi13:56:403:30:428:478:48
8:48
-1:30
40K
24.85 mi14:04:163:38:188:477:36
8:53
+0:05
25.2M
25.20 mi14:08:293:42:318:504:13
12:14
+3:21
Finish
26.22 mi14:18:213:52:238:529:52
9:41
-2:33

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

7:56 /mi

Average Pace

8:52 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:51

35% of race

Time at Steady Pace

1:20:32

35% of race

Time at Slower Pace

1:10:00

30% of race

Average Pace: 8:52 /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 mi10:51:3225:348:1425:34
8:14
#15651
10K
6.21 mi11:16:4350:458:1025:11
8:06
#15598
15K
9.32 mi11:42:241:16:268:1225:41
8:16
#15828
20K
12.43 mi12:09:491:43:518:2127:25
8:49
#16673
Half
13.11 mi12:15:141:49:168:205:25
7:56
#16529
25K
15.53 mi12:36:222:10:248:2421:08
8:43
#16694
30K
18.64 mi13:06:142:40:168:3629:52
9:37
#17340
20M
20.00 mi13:19:232:53:258:4013:09
9:41
#17549
21M
21.00 mi13:28:333:02:358:429:10
9:10
#17342
35K
21.75 mi13:34:583:09:008:416:25
8:35
#17280
23M
23.00 mi13:47:523:21:548:4712:54
10:18
#17635
24M
24.00 mi13:56:403:30:428:478:48
8:48
#17576
40K
24.85 mi14:04:163:38:188:477:36
8:53
#17515
25.2M
25.20 mi14:08:293:42:318:504:13
12:14
#17704
Finish
26.22 mi14:18:213:52:238:529:52
9:41
#17847
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15651105641056416319(Top 61%)10814(Top 71%)10814(Top 974%)
10K6.21 mi3.10 mi15598+5310550+1410550+1415547(Top 58%)10548(Top 70%)10548(Top 950%)
15K9.32 mi3.11 mi15828-23010638-8810638-8816319(Top 61%)10814(Top 71%)10814(Top 974%)
20K12.43 mi3.11 mi16673-84510935-29710935-29718800(Top 71%)11812(Top 78%)11812(Top 1064%)
Half13.11 mi0.68 mi16529+14410878+5710878+5713876(Top 52%)9870(Top 65%)9870(Top 889%)
25K15.53 mi2.42 mi16694-16510911-3310911-3317463(Top 66%)11184(Top 74%)11184(Top 1008%)
30K18.64 mi3.11 mi17340-64611166-25511166-25519830(Top 74%)12136(Top 80%)12136(Top 1093%)
20M20.00 mi1.36 mi17549-20911222-5611222-5619479(Top 73%)11891(Top 78%)11891(Top 1071%)
21M21.00 mi1.00 mi17342+20711123+9911123+9914300(Top 54%)9633(Top 63%)9633(Top 868%)
35K21.75 mi0.75 mi17280+6211089+3411089+3415725(Top 59%)10180(Top 67%)10180(Top 917%)
23M23.00 mi1.25 mi17635-35511211-12211211-12220823(Top 78%)12381(Top 82%)12381(Top 1115%)
24M24.00 mi1.00 mi17576+5911175+3611175+3616179(Top 61%)10257(Top 68%)10257(Top 924%)
40K24.85 mi0.85 mi17515+6111142+3311142+3315545(Top 58%)9928(Top 65%)9928(Top 894%)
25.2M25.20 mi0.35 mi17704-18911218-7611218-7622847(Top 86%)13245(Top 87%)13245(Top 1193%)
Finish26.22 mi1.02 mi17847-14311268-5011268-5020719(Top 78%)12277(Top 81%)12277(Top 1106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16319

Males

10814

M60-64

10814

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15547

Males

10548

M60-64

10548

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16319

Males

10814

M60-64

10814

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18800

Males

11812

M60-64

11812

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13876

Males

9870

M60-64

9870

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17463

Males

11184

M60-64

11184

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19830

Males

12136

M60-64

12136

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19479

Males

11891

M60-64

11891

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14300

Males

9633

M60-64

9633

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15725

Males

10180

M60-64

10180

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20823

Males

12381

M60-64

12381

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16179

Males

10257

M60-64

10257

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15545

Males

9928

M60-64

9928

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22847

Males

13245

M60-64

13245

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20719

Males

12277

M60-64

12277

Passing Analysis

Category:
Athletes Passed
1309
Passed By
3505
Net Change
-2196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15651
5K → 10K321268+53#15651#15598
10K → 15K104334-230#15598#15828
15K → 20K33878-845#15828#16673
20K → Half1462+144#16673#16529
Half → 25K85250-165#16529#16694
25K → 30K55701-646#16694#17340
30K → 20M39248-209#17340#17549
20M → 21M2158+207#17549#17342
21M → 35K8220+62#17342#17280
35K → 23M24379-355#17280#17635
23M → 24M9132+59#17635#17576
24M → 40K9231+61#17576#17515
40K → 25.2M2191-189#17515#17704
25.2M → Finish20163-143#17704#17847
TOTALS13093505-2196
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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