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BOSTON MARATHON 2023

Matthew Simonson

Bib: 1818•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:00
Rank: #1973
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
39:40
Rank: #1910 (+63)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:41
Rank: #2019 (-109)
10K → 15K
20:01 | 6:27/mi
20K· 12.43 mi
1:19:58
Rank: #2112 (-93)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:24:24
Rank: #2145 (-33)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:22
Rank: #2208 (-63)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:01:16
Rank: #2261 (-53)
25K → 30K
20:54 | 6:44/mi
20M
2:10:11
Rank: #2190 (+71)
30K → 20M
8:55 | 6:34/mi
21M
2:17:15
Rank: #2183 (+7)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:22:04
Rank: #2171 (+12)
21M → 35K
4:49 | 6:26/mi
23M
2:30:43
Rank: #2198 (-27)
35K → 23M
8:39 | 6:55/mi
24M
2:37:33
Rank: #2241 (-43)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:43:39
Rank: #2285 (-44)
24M → 40K
6:06 | 7:08/mi
25.2M
2:46:21
Rank: #2304 (-19)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:53:44
Rank: #2412 (-108)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:24
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:29:20
Pace6:49 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5920:006:2620:00
6:26
-
10K
6.21 mi10:40:3939:406:2319:40
6:20
-0:06
15K
9.32 mi11:00:4059:416:2420:01
6:27
+0:07
20K
12.43 mi11:20:571:19:586:2620:17
6:32
+0:05
Half
13.11 mi11:25:231:24:246:264:26
6:30
-0:02
25K
15.53 mi11:41:211:40:226:2815:58
6:35
+0:05
30K
18.64 mi12:02:152:01:166:3020:54
6:44
+0:09
20M
20.00 mi12:11:102:10:116:318:55
6:34
-0:10
21M
21.00 mi12:18:142:17:156:327:04
7:04
+0:30
35K
21.75 mi12:23:032:22:046:324:49
6:26
-0:38
23M
23.00 mi12:31:422:30:436:338:39
6:55
+0:29
24M
24.00 mi12:38:322:37:336:346:50
6:50
-0:05
40K
24.85 mi12:44:382:43:396:356:06
7:08
+0:18
25.2M
25.20 mi12:47:202:46:216:362:42
7:50
+0:42
Finish
26.22 mi12:54:432:53:446:387:23
7:15
-0:35

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

6:20 /mi

Average Pace

6:38 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:40

11% of race

Time at Steady Pace

1:55:20

66% of race

Time at Slower Pace

38:44

22% of race

Average Pace: 6:38 /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 mi10:20:5920:006:2620:00
6:26
#1973
10K
6.21 mi10:40:3939:406:2319:40
6:20
#1910
15K
9.32 mi11:00:4059:416:2420:01
6:27
#2019
20K
12.43 mi11:20:571:19:586:2620:17
6:32
#2112
Half
13.11 mi11:25:231:24:246:264:26
6:30
#2145
25K
15.53 mi11:41:211:40:226:2815:58
6:35
#2208
30K
18.64 mi12:02:152:01:166:3020:54
6:44
#2261
20M
20.00 mi12:11:102:10:116:318:55
6:34
#2190
21M
21.00 mi12:18:142:17:156:327:04
7:04
#2183
35K
21.75 mi12:23:032:22:046:324:49
6:26
#2171
23M
23.00 mi12:31:422:30:436:338:39
6:55
#2198
24M
24.00 mi12:38:322:37:336:346:50
6:50
#2241
40K
24.85 mi12:44:382:43:396:356:06
7:08
#2285
25.2M
25.20 mi12:47:202:46:216:362:42
7:50
#2304
Finish
26.22 mi12:54:432:53:446:387:23
7:15
#2412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1973188318832328(Top 9%)2235(Top 15%)2235(Top 42%)
10K6.21 mi3.10 mi1910+631829+541829+541898(Top 7%)1817(Top 12%)1817(Top 34%)
15K9.32 mi3.11 mi2019-1091934-1051934-1052328(Top 9%)2235(Top 15%)2235(Top 42%)
20K12.43 mi3.11 mi2112-932023-892023-892450(Top 9%)2346(Top 15%)2346(Top 44%)
Half13.11 mi0.68 mi2145-332055-322055-322747(Top 10%)2631(Top 17%)2631(Top 50%)
25K15.53 mi2.42 mi2208-632117-622117-622612(Top 10%)2500(Top 16%)2500(Top 47%)
30K18.64 mi3.11 mi2261-532169-522169-522541(Top 10%)2416(Top 16%)2416(Top 46%)
20M20.00 mi1.36 mi2190+712100+692100+691702(Top 6%)1625(Top 11%)1625(Top 31%)
21M21.00 mi1.00 mi2183+72092+82092+82460(Top 9%)2323(Top 15%)2323(Top 44%)
35K21.75 mi0.75 mi2171+122080+122080+122135(Top 8%)2028(Top 13%)2028(Top 38%)
23M23.00 mi1.25 mi2198-272106-262106-263249(Top 12%)3018(Top 20%)3018(Top 57%)
24M24.00 mi1.00 mi2241-432147-412147-413799(Top 14%)3471(Top 23%)3471(Top 66%)
40K24.85 mi0.85 mi2285-442186-392186-394505(Top 17%)3987(Top 26%)3987(Top 75%)
25.2M25.20 mi0.35 mi2304-192206-202206-205424(Top 20%)4523(Top 30%)4523(Top 86%)
Finish26.22 mi1.02 mi2412-1082303-972303-976676(Top 25%)5349(Top 35%)5349(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2328

Males

2235

M18-39

2235

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1898

Males

1817

M18-39

1817

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2328

Males

2235

M18-39

2235

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2450

Males

2346

M18-39

2346

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2747

Males

2631

M18-39

2631

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2612

Males

2500

M18-39

2500

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2541

Males

2416

M18-39

2416

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1702

Males

1625

M18-39

1625

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2460

Males

2323

M18-39

2323

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2135

Males

2028

M18-39

2028

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3249

Males

3018

M18-39

3018

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3799

Males

3471

M18-39

3471

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4505

Males

3987

M18-39

3987

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5424

Males

4523

M18-39

4523

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6676

Males

5349

M18-39

5349

Passing Analysis

Category:
Athletes Passed
486
Passed By
925
Net Change
-439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1973
5K → 10K13673+63#1973#1910
10K → 15K32141-109#1910#2019
15K → 20K36129-93#2019#2112
20K → Half538-33#2112#2145
Half → 25K2588-63#2145#2208
25K → 30K4598-53#2208#2261
30K → 20M765+71#2261#2190
20M → 21M3629+7#2190#2183
21M → 35K219+12#2183#2171
35K → 23M3158-27#2171#2198
23M → 24M1457-43#2198#2241
24M → 40K1458-44#2241#2285
40K → 25.2M625-19#2285#2304
25.2M → Finish9117-108#2304#2412
TOTALS486925-439
📊

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