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BOSTON MARATHON 2023

Matthew Walch

Bib: 1835•M

UT

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
19:40
Rank: #1547
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:31
Rank: #1815 (-268)
5K → 10K
19:51 | 6:23/mi
15K· 9.32 mi
59:20
Rank: #1857 (-42)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:12
Rank: #1822 (+35)
15K → 20K
19:52 | 6:24/mi
Half· 13.11 mi
1:23:25
Rank: #1787 (+35)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:38:58
Rank: #1773 (+14)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:59:30
Rank: #1781 (-8)
25K → 30K
20:32 | 6:37/mi
20M
2:08:47
Rank: #1856 (-75)
30K → 20M
9:17 | 6:50/mi
21M
2:16:01
Rank: #1901 (-45)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:21:01
Rank: #1926 (-25)
21M → 35K
5:00 | 6:41/mi
23M
2:30:01
Rank: #2047 (-121)
35K → 23M
9:00 | 7:11/mi
24M
2:37:14
Rank: #2173 (-126)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
2:43:23
Rank: #2232 (-59)
24M → 40K
6:09 | 7:12/mi
25.2M
2:46:11
Rank: #2278 (-46)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:53:47
Rank: #2423 (-145)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:25
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:30:22
Pace6:54 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1619:406:2019:40
6:20
-
10K
6.21 mi10:40:0739:316:2219:51
6:23
+0:03
15K
9.32 mi10:59:5659:206:2219:49
6:23
0:00
20K
12.43 mi11:19:481:19:126:2219:52
6:24
+0:01
Half
13.11 mi11:24:011:23:256:224:13
6:11
-0:13
25K
15.53 mi11:39:341:38:586:2215:33
6:25
+0:14
30K
18.64 mi12:00:061:59:306:2520:32
6:37
+0:12
20M
20.00 mi12:09:232:08:476:269:17
6:50
+0:13
21M
21.00 mi12:16:372:16:016:297:14
7:14
+0:24
35K
21.75 mi12:21:372:21:016:295:00
6:41
-0:33
23M
23.00 mi12:30:372:30:016:319:00
7:11
+0:30
24M
24.00 mi12:37:502:37:146:337:13
7:13
+0:02
40K
24.85 mi12:43:592:43:236:346:09
7:12
-0:01
25.2M
25.20 mi12:46:472:46:116:362:48
8:07
+0:55
Finish
26.22 mi12:54:232:53:476:387:36
7:27
-0:40

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

6:11 /mi

Average Pace

6:38 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:58

57% of race

Time at Steady Pace

34:49

20% of race

Time at Slower Pace

40:00

23% 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 mi10:20:1619:406:2019:40
6:20
#1547
10K
6.21 mi10:40:0739:316:2219:51
6:23
#1815
15K
9.32 mi10:59:5659:206:2219:49
6:23
#1857
20K
12.43 mi11:19:481:19:126:2219:52
6:24
#1822
Half
13.11 mi11:24:011:23:256:224:13
6:11
#1787
25K
15.53 mi11:39:341:38:586:2215:33
6:25
#1773
30K
18.64 mi12:00:061:59:306:2520:32
6:37
#1781
20M
20.00 mi12:09:232:08:476:269:17
6:50
#1856
21M
21.00 mi12:16:372:16:016:297:14
7:14
#1901
35K
21.75 mi12:21:372:21:016:295:00
6:41
#1926
23M
23.00 mi12:30:372:30:016:319:00
7:11
#2047
24M
24.00 mi12:37:502:37:146:337:13
7:13
#2173
40K
24.85 mi12:43:592:43:236:346:09
7:12
#2232
25.2M
25.20 mi12:46:472:46:116:362:48
8:07
#2278
Finish
26.22 mi12:54:232:53:476:387:36
7:27
#2423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1547147414741995(Top 7%)1910(Top 13%)1910(Top 36%)
10K6.21 mi3.10 mi1815-2681736-2621736-2622193(Top 8%)2101(Top 14%)2101(Top 40%)
15K9.32 mi3.11 mi1857-421776-401776-401995(Top 7%)1910(Top 13%)1910(Top 36%)
20K12.43 mi3.11 mi1822+351744+321744+321778(Top 7%)1702(Top 11%)1702(Top 32%)
Half13.11 mi0.68 mi1787+351710+341710+341323(Top 5%)1271(Top 8%)1271(Top 24%)
25K15.53 mi2.42 mi1773+141696+141696+141789(Top 7%)1713(Top 11%)1713(Top 32%)
30K18.64 mi3.11 mi1781-81705-91705-92001(Top 8%)1914(Top 13%)1914(Top 36%)
20M20.00 mi1.36 mi1856-751775-701775-702982(Top 11%)2802(Top 18%)2802(Top 53%)
21M21.00 mi1.00 mi1901-451818-431818-433256(Top 12%)3036(Top 20%)3036(Top 57%)
35K21.75 mi0.75 mi1926-251844-261844-263421(Top 13%)3173(Top 21%)3173(Top 60%)
23M23.00 mi1.25 mi2047-1211963-1191963-1194708(Top 18%)4237(Top 28%)4237(Top 80%)
24M24.00 mi1.00 mi2173-1262085-1222085-1225794(Top 22%)4960(Top 33%)4960(Top 94%)
40K24.85 mi0.85 mi2232-592142-572142-574802(Top 18%)4202(Top 28%)4202(Top 80%)
25.2M25.20 mi0.35 mi2278-462181-392181-397066(Top 27%)5580(Top 37%)5580(Top 106%)
Finish26.22 mi1.02 mi2423-1452314-1332314-1338161(Top 31%)6234(Top 41%)6234(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1995

Males

1910

M18-39

1910

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2193

Males

2101

M18-39

2101

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1995

Males

1910

M18-39

1910

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1778

Males

1702

M18-39

1702

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1323

Males

1271

M18-39

1271

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1789

Males

1713

M18-39

1713

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2001

Males

1914

M18-39

1914

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2982

Males

2802

M18-39

2802

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3256

Males

3036

M18-39

3036

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3421

Males

3173

M18-39

3173

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4708

Males

4237

M18-39

4237

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5794

Males

4960

M18-39

4960

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4802

Males

4202

M18-39

4202

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7066

Males

5580

M18-39

5580

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8161

Males

6234

M18-39

6234

Passing Analysis

Category:
Athletes Passed
344
Passed By
1220
Net Change
-876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1547
5K → 10K19287-268#1547#1815
10K → 15K4284-42#1815#1857
15K → 20K7338+35#1857#1822
20K → Half361+35#1822#1787
Half → 25K3824+14#1787#1773
25K → 30K5866-8#1773#1781
30K → 20M1489-75#1781#1856
20M → 21M2065-45#1856#1901
21M → 35K732-25#1901#1926
35K → 23M18139-121#1926#2047
23M → 24M2128-126#2047#2173
24M → 40K1271-59#2173#2232
40K → 25.2M248-46#2232#2278
25.2M → Finish3148-145#2278#2423
TOTALS3441220-876
📊

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