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BOSTON MARATHON 2023

Thomas Stone

Bib: 456•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #4526
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:47
Rank: #4214 (+312)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:22
Rank: #3921 (+293)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:33
Rank: #3395 (+526)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:26:54
Rank: #3294 (+101)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:42:33
Rank: #3006 (+288)
Half → 25K
15:39 | 6:27/mi
30K· 18.64 mi
2:02:12
Rank: #2502 (+504)
25K → 30K
19:39 | 6:19/mi
20M
2:10:50
Rank: #2346 (+156)
30K → 20M
8:38 | 6:21/mi
21M
2:17:30
Rank: #2244 (+102)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:22:14
Rank: #2202 (+42)
21M → 35K
4:44 | 6:20/mi
23M
2:30:08
Rank: #2068 (+134)
35K → 23M
7:54 | 6:19/mi
24M
2:36:12
Rank: #1966 (+102)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:41:12
Rank: #1837 (+129)
24M → 40K
5:00 | 5:51/mi
25.2M
2:43:26
Rank: #1786 (+51)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:49:04
Rank: #1626 (+160)
25.2M → Finish
5:38 | 5:32/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:10
Pace6:16 /mi
📊Negative Split: 5.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3821:056:4721:05
6:47
-
10K
6.21 mi10:43:2041:476:4320:42
6:40
-0:07
15K
9.32 mi11:03:551:02:226:4120:35
6:38
-0:02
20K
12.43 mi11:24:061:22:336:3920:11
6:30
-0:08
Half
13.11 mi11:28:271:26:546:384:21
6:23
-0:07
25K
15.53 mi11:44:061:42:336:3615:39
6:27
+0:04
30K
18.64 mi12:03:452:02:126:3319:39
6:19
-0:08
20M
20.00 mi12:12:232:10:506:328:38
6:21
+0:02
21M
21.00 mi12:19:032:17:306:336:40
6:40
+0:19
35K
21.75 mi12:23:472:22:146:324:44
6:20
-0:20
23M
23.00 mi12:31:412:30:086:327:54
6:19
-0:01
24M
24.00 mi12:37:452:36:126:316:04
6:04
-0:15
40K
24.85 mi12:42:452:41:126:295:00
5:51
-0:13
25.2M
25.20 mi12:44:592:43:266:292:14
6:29
+0:38
Finish
26.22 mi12:50:372:49:046:275:38
5:32
-0:57

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

5:32 /mi

Average Pace

6:27 /mi

Slowest Pace

6:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:42

10% of race

Time at Steady Pace

1:23:20

49% of race

Time at Slower Pace

1:09:02

41% of race

Average Pace: 6:27 /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 mi10:22:3821:056:4721:05
6:47
#4526
10K
6.21 mi10:43:2041:476:4320:42
6:40
#4214
15K
9.32 mi11:03:551:02:226:4120:35
6:38
#3921
20K
12.43 mi11:24:061:22:336:3920:11
6:30
#3395
Half
13.11 mi11:28:271:26:546:384:21
6:23
#3294
25K
15.53 mi11:44:061:42:336:3615:39
6:27
#3006
30K
18.64 mi12:03:452:02:126:3319:39
6:19
#2502
20M
20.00 mi12:12:232:10:506:328:38
6:21
#2346
21M
21.00 mi12:19:032:17:306:336:40
6:40
#2244
35K
21.75 mi12:23:472:22:146:324:44
6:20
#2202
23M
23.00 mi12:31:412:30:086:327:54
6:19
#2068
24M
24.00 mi12:37:452:36:126:316:04
6:04
#1966
40K
24.85 mi12:42:452:41:126:295:00
5:51
#1837
25.2M
25.20 mi12:44:592:43:266:292:14
6:29
#1786
Finish
26.22 mi12:50:372:49:046:275:38
5:32
#1626
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4526422042203478(Top 13%)3292(Top 22%)3292(Top 62%)
10K6.21 mi3.10 mi4214+3123949+2713949+2713967(Top 15%)3733(Top 25%)3733(Top 71%)
15K9.32 mi3.11 mi3921+2933691+2583691+2583478(Top 13%)3292(Top 22%)3292(Top 62%)
20K12.43 mi3.11 mi3395+5263221+4703221+4702252(Top 8%)2157(Top 14%)2157(Top 41%)
Half13.11 mi0.68 mi3294+1013132+893132+892070(Top 8%)1986(Top 13%)1986(Top 38%)
25K15.53 mi2.42 mi3006+2882870+2622870+2621960(Top 7%)1876(Top 12%)1876(Top 35%)
30K18.64 mi3.11 mi2502+5042393+4772393+477987(Top 4%)939(Top 6%)939(Top 18%)
20M20.00 mi1.36 mi2346+1562249+1442249+1441017(Top 4%)973(Top 6%)973(Top 18%)
21M21.00 mi1.00 mi2244+1022151+982151+981020(Top 4%)972(Top 6%)972(Top 18%)
35K21.75 mi0.75 mi2202+422110+412110+411665(Top 6%)1583(Top 10%)1583(Top 30%)
23M23.00 mi1.25 mi2068+1341983+1271983+127871(Top 3%)827(Top 5%)827(Top 16%)
24M24.00 mi1.00 mi1966+1021883+1001883+100697(Top 3%)660(Top 4%)660(Top 12%)
40K24.85 mi0.85 mi1837+1291757+1261757+126184(Top 0.7%)165(Top 1%)165(Top 3%)
25.2M25.20 mi0.35 mi1786+511707+501707+50485(Top 2%)459(Top 3%)459(Top 9%)
Finish26.22 mi1.02 mi1626+1601552+1551552+155111(Top 0.4%)98(Top 0.6%)98(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3478

Males

3292

M18-39

3292

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3967

Males

3733

M18-39

3733

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3478

Males

3292

M18-39

3292

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2252

Males

2157

M18-39

2157

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2070

Males

1986

M18-39

1986

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1960

Males

1876

M18-39

1876

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

987

Males

939

M18-39

939

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1017

Males

973

M18-39

973

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1020

Males

972

M18-39

972

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1665

Males

1583

M18-39

1583

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

871

Males

827

M18-39

827

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

697

Males

660

M18-39

660

24M→40K

24.0 - 24.9 mi

Top 0.7%
×1story
+6ft-20ft

Overall

184

Males

165

M18-39

165

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

485

Males

459

M18-39

459

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2stories
+22ft-21ft

Overall

111

Males

98

M18-39

98

Passing Analysis

Category:
Athletes Passed
3020
Passed By
120
Net Change
+2900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4526
5K → 10K39684+312#4526#4214
10K → 15K32229+293#4214#3921
15K → 20K5271+526#3921#3395
20K → Half1010+101#3395#3294
Half → 25K2880+288#3294#3006
25K → 30K5040+504#3006#2502
30K → 20M1560+156#2502#2346
20M → 21M1031+102#2346#2244
21M → 35K453+42#2244#2202
35K → 23M1351+134#2202#2068
23M → 24M1031+102#2068#1966
24M → 40K1290+129#1966#1837
40K → 25.2M510+51#1837#1786
25.2M → Finish1600+160#1786#1626
TOTALS3020120+2900
📊

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