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BOSTON MARATHON 2023

Alistair Fitch

Bib: 8736•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:51
Rank: #6438
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
43:05
Rank: #6061 (+377)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:04:04
Rank: #5652 (+409)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:25:27
Rank: #5526 (+126)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:29:57
Rank: #5441 (+85)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:46:29
Rank: #5226 (+215)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:07:48
Rank: #4797 (+429)
25K → 30K
21:19 | 6:52/mi
20M
2:17:06
Rank: #4629 (+168)
30K → 20M
9:18 | 6:51/mi
21M
2:24:15
Rank: #4486 (+143)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:29:13
Rank: #4404 (+82)
21M → 35K
4:58 | 6:38/mi
23M
2:37:48
Rank: #4270 (+134)
35K → 23M
8:35 | 6:51/mi
24M
2:44:20
Rank: #4151 (+119)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:49:58
Rank: #4012 (+139)
24M → 40K
5:38 | 6:35/mi
25.2M
2:52:26
Rank: #3967 (+45)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:58:57
Rank: #3848 (+119)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:00
Pace6:47 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1221:517:0221:51
7:02
-
10K
6.21 mi11:12:2643:056:5621:14
6:50
-0:12
15K
9.32 mi11:33:251:04:046:5220:59
6:45
-0:05
20K
12.43 mi11:54:481:25:276:5321:23
6:53
+0:08
Half
13.11 mi11:59:181:29:576:524:30
6:36
-0:17
25K
15.53 mi12:15:501:46:296:5116:32
6:49
+0:13
30K
18.64 mi12:37:092:07:486:5121:19
6:52
+0:03
20M
20.00 mi12:46:272:17:066:519:18
6:51
-0:01
21M
21.00 mi12:53:362:24:156:527:09
7:09
+0:18
35K
21.75 mi12:58:342:29:136:524:58
6:38
-0:31
23M
23.00 mi13:07:092:37:486:528:35
6:51
+0:13
24M
24.00 mi13:13:412:44:206:516:32
6:32
-0:19
40K
24.85 mi13:19:192:49:586:505:38
6:35
+0:03
25.2M
25.20 mi13:21:472:52:266:512:28
7:09
+0:34
Finish
26.22 mi13:28:182:58:576:506:31
6:24
-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

6:24 /mi

Average Pace

6:50 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:20

95% of race

Time at Steady Pace

9:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:51:1221:517:0221:51
7:02
#6438
10K
6.21 mi11:12:2643:056:5621:14
6:50
#6061
15K
9.32 mi11:33:251:04:046:5220:59
6:45
#5652
20K
12.43 mi11:54:481:25:276:5321:23
6:53
#5526
Half
13.11 mi11:59:181:29:576:524:30
6:36
#5441
25K
15.53 mi12:15:501:46:296:5116:32
6:49
#5226
30K
18.64 mi12:37:092:07:486:5121:19
6:52
#4797
20M
20.00 mi12:46:272:17:066:519:18
6:51
#4629
21M
21.00 mi12:53:362:24:156:527:09
7:09
#4486
35K
21.75 mi12:58:342:29:136:524:58
6:38
#4404
23M
23.00 mi13:07:092:37:486:528:35
6:51
#4270
24M
24.00 mi13:13:412:44:206:516:32
6:32
#4151
40K
24.85 mi13:19:192:49:586:505:38
6:35
#4012
25.2M
25.20 mi13:21:472:52:266:512:28
7:09
#3967
Finish
26.22 mi13:28:182:58:576:506:31
6:24
#3848
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6438583658364641(Top 17%)4334(Top 29%)4334(Top 82%)
10K6.21 mi3.10 mi6061+3775533+3035533+3035592(Top 21%)5134(Top 34%)5134(Top 97%)
15K9.32 mi3.11 mi5652+4095194+3395194+3394641(Top 17%)4334(Top 29%)4334(Top 82%)
20K12.43 mi3.11 mi5526+1265096+985096+985193(Top 20%)4797(Top 32%)4797(Top 91%)
Half13.11 mi0.68 mi5441+855028+685028+683420(Top 13%)3251(Top 21%)3251(Top 62%)
25K15.53 mi2.42 mi5226+2154844+1844844+1844298(Top 16%)4014(Top 26%)4014(Top 76%)
30K18.64 mi3.11 mi4797+4294463+3814463+3813392(Top 13%)3192(Top 21%)3192(Top 60%)
20M20.00 mi1.36 mi4629+1684316+1474316+1473093(Top 12%)2907(Top 19%)2907(Top 55%)
21M21.00 mi1.00 mi4486+1434187+1294187+1292857(Top 11%)2682(Top 18%)2682(Top 51%)
35K21.75 mi0.75 mi4404+824108+794108+793235(Top 12%)3020(Top 20%)3020(Top 57%)
23M23.00 mi1.25 mi4270+1343996+1123996+1122989(Top 11%)2790(Top 18%)2790(Top 53%)
24M24.00 mi1.00 mi4151+1193887+1093887+1092255(Top 8%)2113(Top 14%)2113(Top 40%)
40K24.85 mi0.85 mi4012+1393755+1323755+1321896(Top 7%)1787(Top 12%)1787(Top 34%)
25.2M25.20 mi0.35 mi3967+453713+423713+422360(Top 9%)2193(Top 14%)2193(Top 41%)
Finish26.22 mi1.02 mi3848+1193613+1003613+1002015(Top 8%)1880(Top 12%)1880(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4641

Males

4334

M18-39

4334

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5592

Males

5134

M18-39

5134

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4641

Males

4334

M18-39

4334

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5193

Males

4797

M18-39

4797

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3420

Males

3251

M18-39

3251

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4298

Males

4014

M18-39

4014

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3392

Males

3192

M18-39

3192

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3093

Males

2907

M18-39

2907

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2857

Males

2682

M18-39

2682

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3235

Males

3020

M18-39

3020

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2989

Males

2790

M18-39

2790

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2255

Males

2113

M18-39

2113

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1896

Males

1787

M18-39

1787

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2360

Males

2193

M18-39

2193

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2015

Males

1880

M18-39

1880

Passing Analysis

Category:
Athletes Passed
2793
Passed By
203
Net Change
+2590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6438
5K → 10K43558+377#6438#6061
10K → 15K42415+409#6061#5652
15K → 20K17751+126#5652#5526
20K → Half850+85#5526#5441
Half → 25K23015+215#5441#5226
25K → 30K4334+429#5226#4797
30K → 20M1702+168#4797#4629
20M → 21M1529+143#4629#4486
21M → 35K886+82#4486#4404
35K → 23M15016+134#4404#4270
23M → 24M13112+119#4270#4151
24M → 40K1434+139#4151#4012
40K → 25.2M472+45#4012#3967
25.2M → Finish1289+119#3967#3848
TOTALS2793203+2590
📊

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