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BOSTON MARATHON 2023

Paul Box

Bib: 4471•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #3452
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:14
Rank: #3412 (+40)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:28
Rank: #3159 (+253)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:39
Rank: #2866 (+293)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:26:02
Rank: #2820 (+46)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:36
Rank: #2624 (+196)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
2:01:43
Rank: #2371 (+253)
25K → 30K
20:07 | 6:28/mi
20M
2:10:34
Rank: #2285 (+86)
30K → 20M
8:51 | 6:31/mi
21M
2:17:23
Rank: #2218 (+67)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:22:03
Rank: #2166 (+52)
21M → 35K
4:40 | 6:14/mi
23M
2:30:03
Rank: #2051 (+115)
35K → 23M
8:00 | 6:23/mi
24M
2:36:17
Rank: #1982 (+69)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:41:43
Rank: #1919 (+63)
24M → 40K
5:26 | 6:21/mi
25.2M
2:44:08
Rank: #1905 (+14)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:50:30
Rank: #1861 (+44)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:28
Pace6:27 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4220:456:4120:45
6:41
-
10K
6.21 mi10:43:1141:146:3820:29
6:36
-0:05
15K
9.32 mi11:03:251:01:286:3620:14
6:31
-0:05
20K
12.43 mi11:23:361:21:396:3420:11
6:30
-0:01
Half
13.11 mi11:27:591:26:026:344:23
6:25
-0:05
25K
15.53 mi11:43:331:41:366:3215:34
6:25
0:00
30K
18.64 mi12:03:402:01:436:3220:07
6:28
+0:03
20M
20.00 mi12:12:312:10:346:328:51
6:31
+0:03
21M
21.00 mi12:19:202:17:236:336:49
6:49
+0:18
35K
21.75 mi12:24:002:22:036:324:40
6:14
-0:35
23M
23.00 mi12:32:002:30:036:318:00
6:23
+0:09
24M
24.00 mi12:38:142:36:176:316:14
6:14
-0:09
40K
24.85 mi12:43:402:41:436:305:26
6:21
+0:07
25.2M
25.20 mi12:46:052:44:086:312:25
7:00
+0:39
Finish
26.22 mi12:52:272:50:306:306:22
6:15
-0:45

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

6:14 /mi

Average Pace

6:30 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:05

99% of race

Time at Steady Pace

2:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:22:4220:456:4120:45
6:41
#3452
10K
6.21 mi10:43:1141:146:3820:29
6:36
#3412
15K
9.32 mi11:03:251:01:286:3620:14
6:31
#3159
20K
12.43 mi11:23:361:21:396:3420:11
6:30
#2866
Half
13.11 mi11:27:591:26:026:344:23
6:25
#2820
25K
15.53 mi11:43:331:41:366:3215:34
6:25
#2624
30K
18.64 mi12:03:402:01:436:3220:07
6:28
#2371
20M
20.00 mi12:12:312:10:346:328:51
6:31
#2285
21M
21.00 mi12:19:202:17:236:336:49
6:49
#2218
35K
21.75 mi12:24:002:22:036:324:40
6:14
#2166
23M
23.00 mi12:32:002:30:036:318:00
6:23
#2051
24M
24.00 mi12:38:142:36:176:316:14
6:14
#1982
40K
24.85 mi12:43:402:41:436:305:26
6:21
#1919
25.2M
25.20 mi12:46:052:44:086:312:25
7:00
#1905
Finish
26.22 mi12:52:272:50:306:306:22
6:15
#1861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3452325332532696(Top 10%)2575(Top 17%)2575(Top 115%)
10K6.21 mi3.10 mi3412+403226+273226+273431(Top 13%)3254(Top 21%)3254(Top 145%)
15K9.32 mi3.11 mi3159+2533008+2183008+2182696(Top 10%)2575(Top 17%)2575(Top 115%)
20K12.43 mi3.11 mi2866+2932736+2722736+2722258(Top 8%)2163(Top 14%)2163(Top 97%)
Half13.11 mi0.68 mi2820+462696+402696+402309(Top 9%)2214(Top 15%)2214(Top 99%)
25K15.53 mi2.42 mi2624+1962509+1872509+1871806(Top 7%)1729(Top 11%)1729(Top 77%)
30K18.64 mi3.11 mi2371+2532272+2372272+2371482(Top 6%)1418(Top 9%)1418(Top 63%)
20M20.00 mi1.36 mi2285+862192+802192+801495(Top 6%)1424(Top 9%)1424(Top 64%)
21M21.00 mi1.00 mi2218+672126+662126+661461(Top 5%)1393(Top 9%)1393(Top 62%)
35K21.75 mi0.75 mi2166+522075+512075+511376(Top 5%)1306(Top 9%)1306(Top 58%)
23M23.00 mi1.25 mi2051+1151967+1081967+1081081(Top 4%)1026(Top 7%)1026(Top 46%)
24M24.00 mi1.00 mi1982+691899+681899+681139(Top 4%)1080(Top 7%)1080(Top 48%)
40K24.85 mi0.85 mi1919+631835+641835+641073(Top 4%)1016(Top 7%)1016(Top 45%)
25.2M25.20 mi0.35 mi1905+141821+141821+141753(Top 7%)1646(Top 11%)1646(Top 73%)
Finish26.22 mi1.02 mi1861+441779+421779+421433(Top 5%)1356(Top 9%)1356(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2696

Males

2575

M40-44

2575

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3431

Males

3254

M40-44

3254

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2696

Males

2575

M40-44

2575

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2258

Males

2163

M40-44

2163

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2309

Males

2214

M40-44

2214

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1806

Males

1729

M40-44

1729

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1482

Males

1418

M40-44

1418

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1495

Males

1424

M40-44

1424

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1461

Males

1393

M40-44

1393

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1376

Males

1306

M40-44

1306

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1081

Males

1026

M40-44

1026

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1139

Males

1080

M40-44

1080

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1073

Males

1016

M40-44

1016

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1753

Males

1646

M40-44

1646

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1433

Males

1356

M40-44

1356

Passing Analysis

Category:
Athletes Passed
1821
Passed By
230
Net Change
+1591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3452
5K → 10K211171+40#3452#3412
10K → 15K26815+253#3412#3159
15K → 20K3007+293#3159#2866
20K → Half471+46#2866#2820
Half → 25K1982+196#2820#2624
25K → 30K2552+253#2624#2371
30K → 20M893+86#2371#2285
20M → 21M769+67#2285#2218
21M → 35K531+52#2218#2166
35K → 23M1172+115#2166#2051
23M → 24M712+69#2051#1982
24M → 40K663+63#1982#1919
40K → 25.2M184+14#1919#1905
25.2M → Finish528+44#1905#1861
TOTALS1821230+1591
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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