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BOSTON MARATHON 2023

Christopher Blay

Bib: 2926•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #3184
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
41:31
Rank: #3788 (-604)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:00
Rank: #4600 (-812)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:24:26
Rank: #4784 (-184)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:29:05
Rank: #4822 (-38)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:41
Rank: #5345 (-523)
Half → 25K
17:36 | 7:16/mi
30K· 18.64 mi
2:09:47
Rank: #5598 (-253)
25K → 30K
23:06 | 7:26/mi
20M
2:20:16
Rank: #5723 (-125)
30K → 20M
10:29 | 7:43/mi
21M
2:28:20
Rank: #5787 (-64)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:33:35
Rank: #5757 (+30)
21M → 35K
5:15 | 7:01/mi
23M
2:42:51
Rank: #5691 (+66)
35K → 23M
9:16 | 7:24/mi
24M
2:49:46
Rank: #5586 (+105)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:56:02
Rank: #5544 (+42)
24M → 40K
6:16 | 7:20/mi
25.2M
2:58:47
Rank: #5528 (+16)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:06:19
Rank: #5541 (-13)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:37:14
Pace7:25 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:386:3820:38
6:38
-
10K
6.21 mi10:42:2941:316:4120:53
6:43
+0:05
15K
9.32 mi11:03:581:03:006:4621:29
6:55
+0:12
20K
12.43 mi11:25:241:24:266:4821:26
6:54
-0:01
Half
13.11 mi11:30:031:29:056:484:39
6:49
-0:05
25K
15.53 mi11:47:391:46:416:5217:36
7:16
+0:27
30K
18.64 mi12:10:452:09:476:5823:06
7:26
+0:10
20M
20.00 mi12:21:142:20:167:0110:29
7:43
+0:17
21M
21.00 mi12:29:182:28:207:048:04
8:04
+0:21
35K
21.75 mi12:34:332:33:357:045:15
7:01
-1:03
23M
23.00 mi12:43:492:42:517:059:16
7:24
+0:23
24M
24.00 mi12:50:442:49:467:046:55
6:55
-0:29
40K
24.85 mi12:57:002:56:027:056:16
7:20
+0:25
25.2M
25.20 mi12:59:452:58:477:062:45
7:58
+0:38
Finish
26.22 mi13:07:173:06:197:077:32
7:24
-0:34

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

6:38 /mi

Average Pace

7:07 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:15

54% of race

Time at Steady Pace

1:03:46

34% of race

Time at Slower Pace

21:18

11% of race

Average Pace: 7:06 /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 mi10:21:3620:386:3820:38
6:38
#3184
10K
6.21 mi10:42:2941:316:4120:53
6:43
#3788
15K
9.32 mi11:03:581:03:006:4621:29
6:55
#4600
20K
12.43 mi11:25:241:24:266:4821:26
6:54
#4784
Half
13.11 mi11:30:031:29:056:484:39
6:49
#4822
25K
15.53 mi11:47:391:46:416:5217:36
7:16
#5345
30K
18.64 mi12:10:452:09:476:5823:06
7:26
#5598
20M
20.00 mi12:21:142:20:167:0110:29
7:43
#5723
21M
21.00 mi12:29:182:28:207:048:04
8:04
#5787
35K
21.75 mi12:34:332:33:357:045:15
7:01
#5757
23M
23.00 mi12:43:492:42:517:059:16
7:24
#5691
24M
24.00 mi12:50:442:49:467:046:55
6:55
#5586
40K
24.85 mi12:57:002:56:027:056:16
7:20
#5544
25.2M
25.20 mi12:59:452:58:477:062:45
7:58
#5528
Finish
26.22 mi13:07:173:06:197:077:32
7:24
#5541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3184301230126054(Top 23%)5500(Top 36%)5500(Top 104%)
10K6.21 mi3.10 mi3788-6043568-5563568-5564570(Top 17%)4267(Top 28%)4267(Top 81%)
15K9.32 mi3.11 mi4600-8124295-7274295-7276054(Top 23%)5500(Top 36%)5500(Top 104%)
20K12.43 mi3.11 mi4784-1844462-1674462-1675339(Top 20%)4929(Top 32%)4929(Top 93%)
Half13.11 mi0.68 mi4822-384492-304492-305399(Top 20%)4982(Top 33%)4982(Top 94%)
25K15.53 mi2.42 mi5345-5234943-4514943-4516984(Top 26%)6138(Top 40%)6138(Top 116%)
30K18.64 mi3.11 mi5598-2535144-2015144-2016789(Top 26%)5920(Top 39%)5920(Top 112%)
20M20.00 mi1.36 mi5723-1255239-955239-958256(Top 31%)6741(Top 44%)6741(Top 128%)
21M21.00 mi1.00 mi5787-645279-405279-407737(Top 29%)6320(Top 42%)6320(Top 120%)
35K21.75 mi0.75 mi5757+305253+265253+265434(Top 20%)4830(Top 32%)4830(Top 91%)
23M23.00 mi1.25 mi5691+665182+715182+715855(Top 22%)5080(Top 33%)5080(Top 96%)
24M24.00 mi1.00 mi5586+1055091+915091+914271(Top 16%)3883(Top 26%)3883(Top 73%)
40K24.85 mi0.85 mi5544+425051+405051+405629(Top 21%)4776(Top 31%)4776(Top 90%)
25.2M25.20 mi0.35 mi5528+165035+165035+166280(Top 24%)5116(Top 34%)5116(Top 97%)
Finish26.22 mi1.02 mi5541-135032+35032+37702(Top 29%)5988(Top 39%)5988(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6054

Males

5500

M18-39

5500

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4570

Males

4267

M18-39

4267

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6054

Males

5500

M18-39

5500

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5339

Males

4929

M18-39

4929

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5399

Males

4982

M18-39

4982

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6984

Males

6138

M18-39

6138

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6789

Males

5920

M18-39

5920

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8256

Males

6741

M18-39

6741

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7737

Males

6320

M18-39

6320

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5434

Males

4830

M18-39

4830

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5855

Males

5080

M18-39

5080

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4271

Males

3883

M18-39

3883

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5629

Males

4776

M18-39

4776

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6280

Males

5116

M18-39

5116

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7702

Males

5988

M18-39

5988

Passing Analysis

Category:
Athletes Passed
655
Passed By
3012
Net Change
-2357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3184
5K → 10K43647-604#3184#3788
10K → 15K13825-812#3788#4600
15K → 20K46230-184#4600#4784
20K → Half1452-38#4784#4822
Half → 25K24547-523#4822#5345
25K → 30K60313-253#5345#5598
30K → 20M24149-125#5598#5723
20M → 21M39103-64#5723#5787
21M → 35K4414+30#5787#5757
35K → 23M10034+66#5757#5691
23M → 24M1094+105#5691#5586
24M → 40K6220+42#5586#5544
40K → 25.2M3014+16#5544#5528
25.2M → Finish4760-13#5528#5541
TOTALS6553012-2357
📊

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