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BOSTON MARATHON 2023

Matthew Girvan

Bib: 5740•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #4839
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
41:53
Rank: #4385 (+454)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:36
Rank: #4173 (+212)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:23:40
Rank: #4184 (-11)
15K → 20K
21:04 | 6:47/mi
Half· 13.11 mi
1:28:15
Rank: #4190 (-6)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:54
Rank: #4244 (-54)
Half → 25K
16:39 | 6:52/mi
30K· 18.64 mi
2:06:41
Rank: #4279 (-35)
25K → 30K
21:47 | 7:01/mi
20M
2:16:22
Rank: #4304 (-25)
30K → 20M
9:41 | 7:08/mi
21M
2:23:52
Rank: #4320 (-16)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:28:55
Rank: #4282 (+38)
21M → 35K
5:03 | 6:45/mi
23M
2:37:39
Rank: #4215 (+67)
35K → 23M
8:44 | 6:59/mi
24M
2:44:25
Rank: #4188 (+27)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:50:21
Rank: #4143 (+45)
24M → 40K
5:56 | 6:56/mi
25.2M
2:52:43
Rank: #4061 (+82)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:59:18
Rank: #3961 (+100)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:31:03
Pace6:57 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4721:116:4921:11
6:49
-
10K
6.21 mi10:44:2941:536:4420:42
6:40
-0:09
15K
9.32 mi11:05:121:02:366:4320:43
6:40
0:00
20K
12.43 mi11:26:161:23:406:4421:04
6:47
+0:07
Half
13.11 mi11:30:511:28:156:444:35
6:43
-0:04
25K
15.53 mi11:47:301:44:546:4516:39
6:52
+0:09
30K
18.64 mi12:09:172:06:416:4821:47
7:01
+0:09
20M
20.00 mi12:18:582:16:226:499:41
7:08
+0:07
21M
21.00 mi12:26:282:23:526:517:30
7:30
+0:22
35K
21.75 mi12:31:312:28:556:515:03
6:45
-0:45
23M
23.00 mi12:40:152:37:396:518:44
6:59
+0:14
24M
24.00 mi12:47:012:44:256:516:46
6:46
-0:13
40K
24.85 mi12:52:572:50:216:515:56
6:56
+0:10
25.2M
25.20 mi12:55:192:52:436:512:22
6:52
-0:04
Finish
26.22 mi13:01:542:59:186:516:35
6:28
-0:24

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

6:28 /mi

Average Pace

6:51 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:07

90% of race

Time at Steady Pace

17:11

10% 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 mi10:23:4721:116:4921:11
6:49
#4839
10K
6.21 mi10:44:2941:536:4420:42
6:40
#4385
15K
9.32 mi11:05:121:02:366:4320:43
6:40
#4173
20K
12.43 mi11:26:161:23:406:4421:04
6:47
#4184
Half
13.11 mi11:30:511:28:156:444:35
6:43
#4190
25K
15.53 mi11:47:301:44:546:4516:39
6:52
#4244
30K
18.64 mi12:09:172:06:416:4821:47
7:01
#4279
20M
20.00 mi12:18:582:16:226:499:41
7:08
#4304
21M
21.00 mi12:26:282:23:526:517:30
7:30
#4320
35K
21.75 mi12:31:312:28:556:515:03
6:45
#4282
23M
23.00 mi12:40:152:37:396:518:44
6:59
#4215
24M
24.00 mi12:47:012:44:256:516:46
6:46
#4188
40K
24.85 mi12:52:572:50:216:515:56
6:56
#4143
25.2M
25.20 mi12:55:192:52:436:512:22
6:52
#4061
Finish
26.22 mi13:01:542:59:186:516:35
6:28
#3961
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4839449844983830(Top 14%)3601(Top 24%)3601(Top 68%)
10K6.21 mi3.10 mi4385+4544106+3924106+3923987(Top 15%)3753(Top 25%)3753(Top 71%)
15K9.32 mi3.11 mi4173+2123917+1893917+1893830(Top 14%)3601(Top 24%)3601(Top 68%)
20K12.43 mi3.11 mi4184-113926-93926-94250(Top 16%)3978(Top 26%)3978(Top 75%)
Half13.11 mi0.68 mi4190-63927-13927-14480(Top 17%)4172(Top 27%)4172(Top 79%)
25K15.53 mi2.42 mi4244-543979-523979-524700(Top 18%)4363(Top 29%)4363(Top 83%)
30K18.64 mi3.11 mi4279-354013-344013-344407(Top 17%)4090(Top 27%)4090(Top 77%)
20M20.00 mi1.36 mi4304-254027-144027-144726(Top 18%)4316(Top 28%)4316(Top 82%)
21M21.00 mi1.00 mi4320-164039-124039-124554(Top 17%)4141(Top 27%)4141(Top 78%)
35K21.75 mi0.75 mi4282+384005+344005+343861(Top 15%)3555(Top 23%)3555(Top 67%)
23M23.00 mi1.25 mi4215+673944+613944+613662(Top 14%)3386(Top 22%)3386(Top 64%)
24M24.00 mi1.00 mi4188+273919+253919+253476(Top 13%)3201(Top 21%)3201(Top 61%)
40K24.85 mi0.85 mi4143+453877+423877+423538(Top 13%)3217(Top 21%)3217(Top 61%)
25.2M25.20 mi0.35 mi4061+823800+773800+771373(Top 5%)1303(Top 9%)1303(Top 25%)
Finish26.22 mi1.02 mi3961+1003706+943706+942312(Top 9%)2140(Top 14%)2140(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3830

Males

3601

M18-39

3601

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3987

Males

3753

M18-39

3753

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3830

Males

3601

M18-39

3601

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4250

Males

3978

M18-39

3978

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4480

Males

4172

M18-39

4172

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4700

Males

4363

M18-39

4363

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4407

Males

4090

M18-39

4090

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4726

Males

4316

M18-39

4316

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4554

Males

4141

M18-39

4141

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3861

Males

3555

M18-39

3555

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3662

Males

3386

M18-39

3386

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3476

Males

3201

M18-39

3201

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3538

Males

3217

M18-39

3217

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1373

Males

1303

M18-39

1303

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2312

Males

2140

M18-39

2140

Passing Analysis

Category:
Athletes Passed
1647
Passed By
769
Net Change
+878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4839
5K → 10K50551+454#4839#4385
10K → 15K25846+212#4385#4173
15K → 20K8899-11#4173#4184
20K → Half1824-6#4184#4190
Half → 25K68122-54#4190#4244
25K → 30K109144-35#4244#4279
30K → 20M5277-25#4279#4304
20M → 21M6278-16#4304#4320
21M → 35K5820+38#4320#4282
35K → 23M9730+67#4282#4215
23M → 24M6235+27#4215#4188
24M → 40K7227+45#4188#4143
40K → 25.2M831+82#4143#4061
25.2M → Finish11515+100#4061#3961
TOTALS1647769+878
📊

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