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BOSTON MARATHON 2023

John Ross

Bib: 18291•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16247
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
51:03
Rank: #15924 (+323)
5K → 10K
25:13 | 8:07/mi
15K· 9.32 mi
1:16:00
Rank: #15508 (+416)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:41:18
Rank: #15262 (+246)
15K → 20K
25:18 | 8:09/mi
Half· 13.11 mi
1:46:47
Rank: #15212 (+50)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:07:01
Rank: #15179 (+33)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:34:49
Rank: #15511 (-332)
25K → 30K
27:48 | 8:57/mi
20M
2:47:25
Rank: #15679 (-168)
30K → 20M
12:36 | 9:16/mi
21M
2:57:25
Rank: #15852 (-173)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
3:04:04
Rank: #15889 (-37)
21M → 35K
6:39 | 8:53/mi
23M
3:15:35
Rank: #15975 (-86)
35K → 23M
11:31 | 9:12/mi
24M
3:24:39
Rank: #16046 (-71)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:32:28
Rank: #16070 (-24)
24M → 40K
7:49 | 9:09/mi
25.2M
3:36:18
Rank: #16188 (-118)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
3:46:12
Rank: #16431 (-243)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:59:25
Pace9:07 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5825:508:1925:50
8:19
-
10K
6.21 mi11:42:1151:038:1325:13
8:07
-0:12
15K
9.32 mi12:07:081:16:008:0924:57
8:02
-0:05
20K
12.43 mi12:32:261:41:188:0925:18
8:09
+0:07
Half
13.11 mi12:37:551:46:478:095:29
8:02
-0:07
25K
15.53 mi12:58:092:07:018:1120:14
8:21
+0:19
30K
18.64 mi13:25:572:34:498:1827:48
8:57
+0:36
20M
20.00 mi13:38:332:47:258:2212:36
9:16
+0:19
21M
21.00 mi13:48:332:57:258:2710:00
10:00
+0:44
35K
21.75 mi13:55:123:04:048:286:39
8:53
-1:07
23M
23.00 mi14:06:433:15:358:3011:31
9:12
+0:19
24M
24.00 mi14:15:473:24:398:329:04
9:04
-0:08
40K
24.85 mi14:23:363:32:288:337:49
9:09
+0:05
25.2M
25.20 mi14:27:263:36:188:353:50
11:07
+1:58
Finish
26.22 mi14:37:203:46:128:389:54
9:43
-1:24

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

8:02 /mi

Average Pace

8:38 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:01

56% of race

Time at Steady Pace

1:15:27

33% of race

Time at Slower Pace

23:44

10% of race

Average Pace: 8:38 /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 mi11:16:5825:508:1925:50
8:19
#16247
10K
6.21 mi11:42:1151:038:1325:13
8:07
#15924
15K
9.32 mi12:07:081:16:008:0924:57
8:02
#15508
20K
12.43 mi12:32:261:41:188:0925:18
8:09
#15262
Half
13.11 mi12:37:551:46:478:095:29
8:02
#15212
25K
15.53 mi12:58:092:07:018:1120:14
8:21
#15179
30K
18.64 mi13:25:572:34:498:1827:48
8:57
#15511
20M
20.00 mi13:38:332:47:258:2212:36
9:16
#15679
21M
21.00 mi13:48:332:57:258:2710:00
10:00
#15852
35K
21.75 mi13:55:123:04:048:286:39
8:53
#15889
23M
23.00 mi14:06:433:15:358:3011:31
9:12
#15975
24M
24.00 mi14:15:473:24:398:329:04
9:04
#16046
40K
24.85 mi14:23:363:32:288:337:49
9:09
#16070
25.2M
25.20 mi14:27:263:36:188:353:50
11:07
#16188
Finish
26.22 mi14:37:203:46:128:389:54
9:43
#16431
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16247107931079314637(Top 55%)10156(Top 67%)10156(Top 714%)
10K6.21 mi3.10 mi15924+32310664+12910664+12915623(Top 59%)10574(Top 70%)10574(Top 744%)
15K9.32 mi3.11 mi15508+41610509+15510509+15514637(Top 55%)10156(Top 67%)10156(Top 714%)
20K12.43 mi3.11 mi15262+24610397+11210397+11214544(Top 55%)10101(Top 67%)10101(Top 710%)
Half13.11 mi0.68 mi15212+5010375+2210375+2214655(Top 55%)10175(Top 67%)10175(Top 716%)
25K15.53 mi2.42 mi15179+3310336+3910336+3915223(Top 57%)10234(Top 67%)10234(Top 720%)
30K18.64 mi3.11 mi15511-33210411-7510411-7516896(Top 63%)10870(Top 72%)10870(Top 764%)
20M20.00 mi1.36 mi15679-16810465-5410465-5417874(Top 67%)11173(Top 74%)11173(Top 786%)
21M21.00 mi1.00 mi15852-17310504-3910504-3918015(Top 68%)11222(Top 74%)11222(Top 789%)
35K21.75 mi0.75 mi15889-3710503+110503+117360(Top 65%)10859(Top 72%)10859(Top 764%)
23M23.00 mi1.25 mi15975-8610509-610509-617030(Top 64%)10704(Top 71%)10704(Top 753%)
24M24.00 mi1.00 mi16046-7110531-2210531-2217508(Top 66%)10847(Top 71%)10847(Top 763%)
40K24.85 mi0.85 mi16070-2410534-310534-316803(Top 63%)10491(Top 69%)10491(Top 738%)
25.2M25.20 mi0.35 mi16188-11810578-4410578-4420677(Top 78%)12228(Top 81%)12228(Top 860%)
Finish26.22 mi1.02 mi16431-24310670-9210670-9220825(Top 78%)12324(Top 81%)12324(Top 867%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14637

Males

10156

M55-59

10156

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15623

Males

10574

M55-59

10574

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14637

Males

10156

M55-59

10156

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14544

Males

10101

M55-59

10101

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14655

Males

10175

M55-59

10175

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15223

Males

10234

M55-59

10234

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16896

Males

10870

M55-59

10870

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17874

Males

11173

M55-59

11173

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18015

Males

11222

M55-59

11222

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17360

Males

10859

M55-59

10859

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17030

Males

10704

M55-59

10704

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17508

Males

10847

M55-59

10847

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16803

Males

10491

M55-59

10491

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20677

Males

12228

M55-59

12228

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20825

Males

12324

M55-59

12324

Passing Analysis

Category:
Athletes Passed
1865
Passed By
2049
Net Change
-184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16247
5K → 10K488165+323#16247#15924
10K → 15K46751+416#15924#15508
15K → 20K31165+246#15508#15262
20K → Half6414+50#15262#15212
Half → 25K149116+33#15212#15179
25K → 30K88420-332#15179#15511
30K → 20M45213-168#15511#15679
20M → 21M37210-173#15679#15852
21M → 35K4279-37#15852#15889
35K → 23M58144-86#15889#15975
23M → 24M47118-71#15975#16046
24M → 40K5074-24#16046#16070
40K → 25.2M6124-118#16070#16188
25.2M → Finish13256-243#16188#16431
TOTALS18652049-184
📊

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