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BOSTON MARATHON 2023

Tom Bourdi

Bib: 2212•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M50-54)
#0 / 2052
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #3954
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
40:59
Rank: #3137 (+817)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:01:16
Rank: #2996 (+141)
10K → 15K
20:17 | 6:32/mi
20K· 12.43 mi
1:22:15
Rank: #3204 (-208)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:26:50
Rank: #3262 (-58)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:43:35
Rank: #3500 (-238)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:05:32
Rank: #3726 (-226)
25K → 30K
21:57 | 7:04/mi
20M
2:15:15
Rank: #3795 (-69)
30K → 20M
9:43 | 7:09/mi
21M
2:22:41
Rank: #3811 (-16)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:27:48
Rank: #3842 (-31)
21M → 35K
5:07 | 6:50/mi
23M
2:36:56
Rank: #3962 (-120)
35K → 23M
9:08 | 7:18/mi
24M
2:43:57
Rank: #4010 (-48)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:49:57
Rank: #4004 (+6)
24M → 40K
6:00 | 7:01/mi
25.2M
2:52:33
Rank: #4007 (-3)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:59:18
Rank: #3958 (+49)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:50
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:32:28
Pace7:03 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0220:556:4420:55
6:44
-
10K
6.21 mi10:42:0640:596:3620:04
6:28
-0:16
15K
9.32 mi11:02:231:01:166:3420:17
6:32
+0:04
20K
12.43 mi11:23:221:22:156:3720:59
6:45
+0:13
Half
13.11 mi11:27:571:26:506:374:35
6:43
-0:02
25K
15.53 mi11:44:421:43:356:4016:45
6:55
+0:12
30K
18.64 mi12:06:392:05:326:4421:57
7:04
+0:09
20M
20.00 mi12:16:222:15:156:469:43
7:09
+0:05
21M
21.00 mi12:23:482:22:416:487:26
7:26
+0:17
35K
21.75 mi12:28:552:27:486:485:07
6:50
-0:36
23M
23.00 mi12:38:032:36:566:499:08
7:18
+0:28
24M
24.00 mi12:45:042:43:576:507:01
7:01
-0:17
40K
24.85 mi12:51:042:49:576:506:00
7:01
0:00
25.2M
25.20 mi12:53:402:52:336:512:36
7:32
+0:31
Finish
26.22 mi13:00:252:59:186:516:45
6:37
-0:55

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

6:28 /mi

Average Pace

6:51 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:25

84% of race

Time at Steady Pace

28:53

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:22:0220:556:4420:55
6:44
#3954
10K
6.21 mi10:42:0640:596:3620:04
6:28
#3137
15K
9.32 mi11:02:231:01:166:3420:17
6:32
#2996
20K
12.43 mi11:23:221:22:156:3720:59
6:45
#3204
Half
13.11 mi11:27:571:26:506:374:35
6:43
#3262
25K
15.53 mi11:44:421:43:356:4016:45
6:55
#3500
30K
18.64 mi12:06:392:05:326:4421:57
7:04
#3726
20M
20.00 mi12:16:222:15:156:469:43
7:09
#3795
21M
21.00 mi12:23:482:22:416:487:26
7:26
#3811
35K
21.75 mi12:28:552:27:486:485:07
6:50
#3842
23M
23.00 mi12:38:032:36:566:499:08
7:18
#3962
24M
24.00 mi12:45:042:43:576:507:01
7:01
#4010
40K
24.85 mi12:51:042:49:576:506:00
7:01
#4004
25.2M
25.20 mi12:53:402:52:336:512:36
7:32
#4007
Finish
26.22 mi13:00:252:59:186:516:45
6:37
#3958
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3954371137112823(Top 11%)2699(Top 18%)2699(Top 132%)
10K6.21 mi3.10 mi3137+8172979+7322979+7322563(Top 10%)2450(Top 16%)2450(Top 119%)
15K9.32 mi3.11 mi2996+1412856+1232856+1232823(Top 11%)2699(Top 18%)2699(Top 132%)
20K12.43 mi3.11 mi3204-2083050-1943050-1944011(Top 15%)3765(Top 25%)3765(Top 183%)
Half13.11 mi0.68 mi3262-583103-533103-534478(Top 17%)4170(Top 27%)4170(Top 203%)
25K15.53 mi2.42 mi3500-2383320-2173320-2174994(Top 19%)4619(Top 30%)4619(Top 225%)
30K18.64 mi3.11 mi3726-2263520-2003520-2004739(Top 18%)4373(Top 29%)4373(Top 213%)
20M20.00 mi1.36 mi3795-693579-593579-594843(Top 18%)4408(Top 29%)4408(Top 215%)
21M21.00 mi1.00 mi3811-163589-103589-104266(Top 16%)3906(Top 26%)3906(Top 190%)
35K21.75 mi0.75 mi3842-313615-263615-264411(Top 17%)4029(Top 27%)4029(Top 196%)
23M23.00 mi1.25 mi3962-1203717-1023717-1025258(Top 20%)4645(Top 31%)4645(Top 226%)
24M24.00 mi1.00 mi4010-483756-393756-394733(Top 18%)4224(Top 28%)4224(Top 206%)
40K24.85 mi0.85 mi4004+63749+73749+73926(Top 15%)3529(Top 23%)3529(Top 172%)
25.2M25.20 mi0.35 mi4007-33752-33752-34040(Top 15%)3582(Top 24%)3582(Top 175%)
Finish26.22 mi1.02 mi3958+493703+493703+493112(Top 12%)2807(Top 18%)2807(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2823

Males

2699

M50-54

2699

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2563

Males

2450

M50-54

2450

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2823

Males

2699

M50-54

2699

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4011

Males

3765

M50-54

3765

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4478

Males

4170

M50-54

4170

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4994

Males

4619

M50-54

4619

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4739

Males

4373

M50-54

4373

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4843

Males

4408

M50-54

4408

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4266

Males

3906

M50-54

3906

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4411

Males

4029

M50-54

4029

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5258

Males

4645

M50-54

4645

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4733

Males

4224

M50-54

4224

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3926

Males

3529

M50-54

3529

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4040

Males

3582

M50-54

3582

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3112

Males

2807

M50-54

2807

Passing Analysis

Category:
Athletes Passed
1438
Passed By
1442
Net Change
-4
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3954
5K → 10K82811+817#3954#3137
10K → 15K17938+141#3137#2996
15K → 20K31239-208#2996#3204
20K → Half563-58#3204#3262
Half → 25K24262-238#3262#3500
25K → 30K44270-226#3500#3726
30K → 20M36105-69#3726#3795
20M → 21M5672-16#3795#3811
21M → 35K1950-31#3811#3842
35K → 23M33153-120#3842#3962
23M → 24M3482-48#3962#4010
24M → 40K5145+6#4010#4004
40K → 25.2M2124-3#4004#4007
25.2M → Finish7728+49#4007#3958
TOTALS14381442-4
📊

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