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BOSTON MARATHON 2023

Stephen Fair

Bib: 2184•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M40-44)
#0 / 2241
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3045
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
40:49
Rank: #2910 (+135)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:00:59
Rank: #2783 (+127)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:21:26
Rank: #2751 (+32)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:25:50
Rank: #2724 (+27)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:47
Rank: #2689 (+35)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:02:18
Rank: #2517 (+172)
25K → 30K
20:31 | 6:36/mi
20M
2:11:14
Rank: #2435 (+82)
30K → 20M
8:56 | 6:34/mi
21M
2:18:02
Rank: #2355 (+80)
20M → 21M
6:48 | 6:48/mi
35K· 21.75 mi
2:22:45
Rank: #2313 (+42)
21M → 35K
4:43 | 6:18/mi
23M
2:31:02
Rank: #2254 (+59)
35K → 23M
8:17 | 6:37/mi
24M
2:37:32
Rank: #2234 (+20)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:43:12
Rank: #2207 (+27)
24M → 40K
5:40 | 6:38/mi
25.2M
2:45:43
Rank: #2204 (+3)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:52:24
Rank: #2180 (+24)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:50
Pace6:33 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:34
Pace6:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2820:356:3820:35
6:38
-
10K
6.21 mi10:41:4240:496:3420:14
6:31
-0:07
15K
9.32 mi11:01:521:00:596:3320:10
6:29
-0:02
20K
12.43 mi11:22:191:21:266:3320:27
6:35
+0:06
Half
13.11 mi11:26:431:25:506:334:24
6:27
-0:08
25K
15.53 mi11:42:401:41:476:3315:57
6:35
+0:08
30K
18.64 mi12:03:112:02:186:3420:31
6:36
+0:01
20M
20.00 mi12:12:072:11:146:348:56
6:34
-0:02
21M
21.00 mi12:18:552:18:026:346:48
6:48
+0:14
35K
21.75 mi12:23:382:22:456:344:43
6:18
-0:30
23M
23.00 mi12:31:552:31:026:348:17
6:37
+0:19
24M
24.00 mi12:38:252:37:326:346:30
6:30
-0:07
40K
24.85 mi12:44:052:43:126:345:40
6:38
+0:08
25.2M
25.20 mi12:46:362:45:436:352:31
7:18
+0:40
Finish
26.22 mi12:53:172:52:246:356:41
6:34
-0:44

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

6:18 /mi

Average Pace

6:35 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:53

99% of race

Time at Steady Pace

2:31

1% 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 mi10:21:2820:356:3820:35
6:38
#3045
10K
6.21 mi10:41:4240:496:3420:14
6:31
#2910
15K
9.32 mi11:01:521:00:596:3320:10
6:29
#2783
20K
12.43 mi11:22:191:21:266:3320:27
6:35
#2751
Half
13.11 mi11:26:431:25:506:334:24
6:27
#2724
25K
15.53 mi11:42:401:41:476:3315:57
6:35
#2689
30K
18.64 mi12:03:112:02:186:3420:31
6:36
#2517
20M
20.00 mi12:12:072:11:146:348:56
6:34
#2435
21M
21.00 mi12:18:552:18:026:346:48
6:48
#2355
35K
21.75 mi12:23:382:22:456:344:43
6:18
#2313
23M
23.00 mi12:31:552:31:026:348:17
6:37
#2254
24M
24.00 mi12:38:252:37:326:346:30
6:30
#2234
40K
24.85 mi12:44:052:43:126:345:40
6:38
#2207
25.2M
25.20 mi12:46:362:45:436:352:31
7:18
#2204
Finish
26.22 mi12:53:172:52:246:356:41
6:34
#2180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3045288528852583(Top 10%)2478(Top 16%)2478(Top 111%)
10K6.21 mi3.10 mi2910+1352776+1092776+1092858(Top 11%)2730(Top 18%)2730(Top 122%)
15K9.32 mi3.11 mi2783+1272658+1182658+1182583(Top 10%)2478(Top 16%)2478(Top 111%)
20K12.43 mi3.11 mi2751+322629+292629+292723(Top 10%)2603(Top 17%)2603(Top 116%)
Half13.11 mi0.68 mi2724+272604+252604+252463(Top 9%)2362(Top 16%)2362(Top 105%)
25K15.53 mi2.42 mi2689+352569+352569+352571(Top 10%)2460(Top 16%)2460(Top 110%)
30K18.64 mi3.11 mi2517+1722408+1612408+1611973(Top 7%)1886(Top 12%)1886(Top 84%)
20M20.00 mi1.36 mi2435+822331+772331+771749(Top 7%)1669(Top 11%)1669(Top 74%)
21M21.00 mi1.00 mi2355+802257+742257+741415(Top 5%)1349(Top 9%)1349(Top 60%)
35K21.75 mi0.75 mi2313+422216+412216+411611(Top 6%)1531(Top 10%)1531(Top 68%)
23M23.00 mi1.25 mi2254+592158+582158+581830(Top 7%)1734(Top 11%)1734(Top 77%)
24M24.00 mi1.00 mi2234+202141+172141+172085(Top 8%)1955(Top 13%)1955(Top 87%)
40K24.85 mi0.85 mi2207+272118+232118+232028(Top 8%)1898(Top 13%)1898(Top 85%)
25.2M25.20 mi0.35 mi2204+32115+32115+32877(Top 11%)2632(Top 17%)2632(Top 117%)
Finish26.22 mi1.02 mi2180+242090+252090+252738(Top 10%)2496(Top 16%)2496(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2583

Males

2478

M40-44

2478

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2858

Males

2730

M40-44

2730

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2583

Males

2478

M40-44

2478

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2723

Males

2603

M40-44

2603

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2463

Males

2362

M40-44

2362

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2571

Males

2460

M40-44

2460

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1973

Males

1886

M40-44

1886

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1749

Males

1669

M40-44

1669

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1415

Males

1349

M40-44

1349

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1611

Males

1531

M40-44

1531

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1830

Males

1734

M40-44

1734

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2085

Males

1955

M40-44

1955

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2028

Males

1898

M40-44

1898

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2877

Males

2632

M40-44

2632

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2738

Males

2496

M40-44

2496

Passing Analysis

Category:
Athletes Passed
1187
Passed By
322
Net Change
+865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3045
5K → 10K237102+135#3045#2910
10K → 15K16437+127#2910#2783
15K → 20K8351+32#2783#2751
20K → Half3710+27#2751#2724
Half → 25K6328+35#2724#2689
25K → 30K18412+172#2689#2517
30K → 20M864+82#2517#2435
20M → 21M855+80#2435#2355
21M → 35K453+42#2355#2313
35K → 23M645+59#2313#2254
23M → 24M4424+20#2254#2234
24M → 40K4316+27#2234#2207
40K → 25.2M118+3#2207#2204
25.2M → Finish4117+24#2204#2180
TOTALS1187322+865
📊

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