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BOSTON MARATHON 2023

Richard Boerma

Bib: 4910•M

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:31
Rank: #2870
Start → 5K
20:31 | 6:36/mi
10K· 6.21 mi
40:50
Rank: #2943 (-73)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:00:58
Rank: #2768 (+175)
10K → 15K
20:08 | 6:29/mi
20K· 12.43 mi
1:21:08
Rank: #2615 (+153)
15K → 20K
20:10 | 6:29/mi
Half· 13.11 mi
1:25:31
Rank: #2597 (+18)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:09
Rank: #2474 (+123)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
2:01:33
Rank: #2327 (+147)
25K → 30K
20:24 | 6:34/mi
20M
2:10:35
Rank: #2289 (+38)
30K → 20M
9:02 | 6:39/mi
21M
2:17:43
Rank: #2289
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:22:34
Rank: #2271 (+18)
21M → 35K
4:51 | 6:29/mi
23M
2:31:01
Rank: #2252 (+19)
35K → 23M
8:27 | 6:45/mi
24M
2:37:42
Rank: #2269 (-17)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:43:34
Rank: #2268 (+1)
24M → 40K
5:52 | 6:52/mi
25.2M
2:46:02
Rank: #2249 (+19)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:52:31
Rank: #2198 (+51)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:31
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:00
Pace6:38 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1820:316:3620:31
6:36
-
10K
6.21 mi10:42:3740:506:3420:19
6:32
-0:04
15K
9.32 mi11:02:451:00:586:3220:08
6:29
-0:03
20K
12.43 mi11:22:551:21:086:3220:10
6:29
0:00
Half
13.11 mi11:27:181:25:316:314:23
6:25
-0:04
25K
15.53 mi11:42:561:41:096:3115:38
6:27
+0:02
30K
18.64 mi12:03:202:01:336:3120:24
6:34
+0:07
20M
20.00 mi12:12:222:10:356:329:02
6:39
+0:05
21M
21.00 mi12:19:302:17:436:337:08
7:08
+0:29
35K
21.75 mi12:24:212:22:346:334:51
6:29
-0:39
23M
23.00 mi12:32:482:31:016:348:27
6:45
+0:16
24M
24.00 mi12:39:292:37:426:346:41
6:41
-0:04
40K
24.85 mi12:45:212:43:346:355:52
6:52
+0:11
25.2M
25.20 mi12:47:492:46:026:352:28
7:09
+0:17
Finish
26.22 mi12:54:182:52:316:356:29
6:22
-0:47

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

6:22 /mi

Average Pace

6:35 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:55

94% of race

Time at Steady Pace

9:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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 mi10:22:1820:316:3620:31
6:36
#2870
10K
6.21 mi10:42:3740:506:3420:19
6:32
#2943
15K
9.32 mi11:02:451:00:586:3220:08
6:29
#2768
20K
12.43 mi11:22:551:21:086:3220:10
6:29
#2615
Half
13.11 mi11:27:181:25:316:314:23
6:25
#2597
25K
15.53 mi11:42:561:41:096:3115:38
6:27
#2474
30K
18.64 mi12:03:202:01:336:3120:24
6:34
#2327
20M
20.00 mi12:12:222:10:356:329:02
6:39
#2289
21M
21.00 mi12:19:302:17:436:337:08
7:08
#2289
35K
21.75 mi12:24:212:22:346:334:51
6:29
#2271
23M
23.00 mi12:32:482:31:016:348:27
6:45
#2252
24M
24.00 mi12:39:292:37:426:346:41
6:41
#2269
40K
24.85 mi12:45:212:43:346:355:52
6:52
#2268
25.2M
25.20 mi12:47:492:46:026:352:28
7:09
#2249
Finish
26.22 mi12:54:182:52:316:356:29
6:22
#2198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2870273027302519(Top 9%)2415(Top 16%)2415(Top 46%)
10K6.21 mi3.10 mi2943-732807-772807-773028(Top 11%)2889(Top 19%)2889(Top 55%)
15K9.32 mi3.11 mi2768+1752643+1642643+1642519(Top 9%)2415(Top 16%)2415(Top 46%)
20K12.43 mi3.11 mi2615+1532500+1432500+1432232(Top 8%)2142(Top 14%)2142(Top 41%)
Half13.11 mi0.68 mi2597+182485+152485+152345(Top 9%)2250(Top 15%)2250(Top 43%)
25K15.53 mi2.42 mi2474+1232370+1152370+1151948(Top 7%)1865(Top 12%)1865(Top 35%)
30K18.64 mi3.11 mi2327+1472231+1392231+1391826(Top 7%)1749(Top 12%)1749(Top 33%)
20M20.00 mi1.36 mi2289+382196+352196+352061(Top 8%)1965(Top 13%)1965(Top 37%)
21M21.00 mi1.00 mi22892193+32193+32739(Top 10%)2573(Top 17%)2573(Top 49%)
35K21.75 mi0.75 mi2271+182175+182175+182315(Top 9%)2195(Top 14%)2195(Top 42%)
23M23.00 mi1.25 mi2252+192157+182157+182374(Top 9%)2231(Top 15%)2231(Top 42%)
24M24.00 mi1.00 mi2269-172174-172174-172988(Top 11%)2772(Top 18%)2772(Top 52%)
40K24.85 mi0.85 mi2268+12172+22172+23084(Top 12%)2828(Top 19%)2828(Top 54%)
25.2M25.20 mi0.35 mi2249+192156+162156+162278(Top 9%)2111(Top 14%)2111(Top 40%)
Finish26.22 mi1.02 mi2198+512106+502106+501865(Top 7%)1743(Top 11%)1743(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2519

Males

2415

M18-39

2415

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3028

Males

2889

M18-39

2889

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2519

Males

2415

M18-39

2415

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2232

Males

2142

M18-39

2142

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2345

Males

2250

M18-39

2250

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1948

Males

1865

M18-39

1865

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1826

Males

1749

M18-39

1749

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2061

Males

1965

M18-39

1965

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2739

Males

2573

M18-39

2573

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2315

Males

2195

M18-39

2195

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2374

Males

2231

M18-39

2231

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2988

Males

2772

M18-39

2772

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3084

Males

2828

M18-39

2828

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2278

Males

2111

M18-39

2111

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1865

Males

1743

M18-39

1743

Passing Analysis

Category:
Athletes Passed
1099
Passed By
427
Net Change
+672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2870
5K → 10K125198-73#2870#2943
10K → 15K20227+175#2943#2768
15K → 20K17017+153#2768#2615
20K → Half257+18#2615#2597
Half → 25K1296+123#2597#2474
25K → 30K15811+147#2474#2327
30K → 20M5012+38#2327#2289
20M → 21M37370#2289#2289
21M → 35K268+18#2289#2271
35K → 23M3920+19#2271#2252
23M → 24M3047-17#2252#2269
24M → 40K2524+1#2269#2268
40K → 25.2M256+19#2268#2249
25.2M → Finish587+51#2249#2198
TOTALS1099427+672
📊

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