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BOSTON MARATHON 2023

Matthew Halliday

Bib: 1780•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
19:51
Rank: #1781
Start → 5K
19:51 | 6:23/mi
10K· 6.21 mi
39:48
Rank: #2011 (-230)
5K → 10K
19:57 | 6:25/mi
15K· 9.32 mi
59:54
Rank: #2128 (-117)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:20:09
Rank: #2194 (-66)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:24:34
Rank: #2206 (-12)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:31
Rank: #2260 (-54)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:01:55
Rank: #2422 (-162)
25K → 30K
21:24 | 6:53/mi
20M
2:11:26
Rank: #2483 (-61)
30K → 20M
9:31 | 7:00/mi
21M
2:19:13
Rank: #2629 (-146)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:24:24
Rank: #2678 (-49)
21M → 35K
5:11 | 6:56/mi
23M
2:34:07
Rank: #3002 (-324)
35K → 23M
9:43 | 7:46/mi
24M
2:42:25
Rank: #3463 (-461)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
2:49:26
Rank: #3816 (-353)
24M → 40K
7:01 | 8:12/mi
25.2M
2:52:32
Rank: #4002 (-186)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
2:59:59
Rank: #4187 (-185)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:34
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1119:516:2319:51
6:23
-
10K
6.21 mi10:40:0839:486:2419:57
6:25
+0:02
15K
9.32 mi11:00:1459:546:2620:06
6:28
+0:03
20K
12.43 mi11:20:291:20:096:2720:15
6:31
+0:03
Half
13.11 mi11:24:541:24:346:274:25
6:28
-0:03
25K
15.53 mi11:40:511:40:316:2815:57
6:35
+0:07
30K
18.64 mi12:02:152:01:556:3221:24
6:53
+0:18
20M
20.00 mi12:11:462:11:266:349:31
7:00
+0:07
21M
21.00 mi12:19:332:19:136:387:47
7:47
+0:47
35K
21.75 mi12:24:442:24:246:385:11
6:56
-0:51
23M
23.00 mi12:34:272:34:076:429:43
7:46
+0:50
24M
24.00 mi12:42:452:42:256:468:18
8:18
+0:32
40K
24.85 mi12:49:462:49:266:497:01
8:12
-0:06
25.2M
25.20 mi12:52:522:52:326:513:06
8:59
+0:47
Finish
26.22 mi13:00:192:59:596:527:27
7:19
-1:40

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

6:23 /mi

Average Pace

6:52 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:34

47% of race

Time at Steady Pace

59:30

33% of race

Time at Slower Pace

35:55

20% of race

Average Pace: 6:52 /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 mi10:20:1119:516:2319:51
6:23
#1781
10K
6.21 mi10:40:0839:486:2419:57
6:25
#2011
15K
9.32 mi11:00:1459:546:2620:06
6:28
#2128
20K
12.43 mi11:20:291:20:096:2720:15
6:31
#2194
Half
13.11 mi11:24:541:24:346:274:25
6:28
#2206
25K
15.53 mi11:40:511:40:316:2815:57
6:35
#2260
30K
18.64 mi12:02:152:01:556:3221:24
6:53
#2422
20M
20.00 mi12:11:462:11:266:349:31
7:00
#2483
21M
21.00 mi12:19:332:19:136:387:47
7:47
#2629
35K
21.75 mi12:24:442:24:246:385:11
6:56
#2678
23M
23.00 mi12:34:272:34:076:429:43
7:46
#3002
24M
24.00 mi12:42:452:42:256:468:18
8:18
#3463
40K
24.85 mi12:49:462:49:266:497:01
8:12
#3816
25.2M
25.20 mi12:52:522:52:326:513:06
8:59
#4002
Finish
26.22 mi13:00:192:59:596:527:27
7:19
#4187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1781169816982464(Top 9%)2364(Top 16%)2364(Top 45%)
10K6.21 mi3.10 mi2011-2301928-2301928-2302351(Top 9%)2252(Top 15%)2252(Top 43%)
15K9.32 mi3.11 mi2128-1172041-1132041-1132464(Top 9%)2364(Top 16%)2364(Top 45%)
20K12.43 mi3.11 mi2194-662102-612102-612392(Top 9%)2292(Top 15%)2292(Top 43%)
Half13.11 mi0.68 mi2206-122113-112113-112683(Top 10%)2577(Top 17%)2577(Top 49%)
25K15.53 mi2.42 mi2260-542166-532166-532593(Top 10%)2482(Top 16%)2482(Top 47%)
30K18.64 mi3.11 mi2422-1622321-1552321-1553583(Top 13%)3365(Top 22%)3365(Top 64%)
20M20.00 mi1.36 mi2483-612378-572378-574047(Top 15%)3747(Top 25%)3747(Top 71%)
21M21.00 mi1.00 mi2629-1462515-1372515-1376051(Top 23%)5220(Top 34%)5220(Top 99%)
35K21.75 mi0.75 mi2678-492561-462561-464901(Top 18%)4407(Top 29%)4407(Top 83%)
23M23.00 mi1.25 mi3002-3242854-2932854-2938107(Top 30%)6455(Top 43%)6455(Top 122%)
24M24.00 mi1.00 mi3463-4613272-4183272-41813213(Top 50%)8947(Top 59%)8947(Top 169%)
40K24.85 mi0.85 mi3816-3533587-3153587-31511346(Top 43%)7980(Top 53%)7980(Top 151%)
25.2M25.20 mi0.35 mi4002-1863748-1613748-16112318(Top 46%)8381(Top 55%)8381(Top 159%)
Finish26.22 mi1.02 mi4187-1853914-1663914-1667161(Top 27%)5652(Top 37%)5652(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2464

Males

2364

M18-39

2364

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2351

Males

2252

M18-39

2252

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2464

Males

2364

M18-39

2364

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2392

Males

2292

M18-39

2292

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2683

Males

2577

M18-39

2577

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2593

Males

2482

M18-39

2482

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3583

Males

3365

M18-39

3365

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4047

Males

3747

M18-39

3747

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6051

Males

5220

M18-39

5220

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4901

Males

4407

M18-39

4407

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8107

Males

6455

M18-39

6455

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13213

Males

8947

M18-39

8947

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11346

Males

7980

M18-39

7980

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12318

Males

8381

M18-39

8381

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7161

Males

5652

M18-39

5652

Passing Analysis

Category:
Athletes Passed
229
Passed By
2635
Net Change
-2406
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1781
5K → 10K29259-230#1781#2011
10K → 15K27144-117#2011#2128
15K → 20K40106-66#2128#2194
20K → Half517-12#2194#2206
Half → 25K2983-54#2206#2260
25K → 30K28190-162#2260#2422
30K → 20M2182-61#2422#2483
20M → 21M8154-146#2483#2629
21M → 35K1362-49#2629#2678
35K → 23M8332-324#2678#3002
23M → 24M2463-461#3002#3463
24M → 40K8361-353#3463#3816
40K → 25.2M3189-186#3816#4002
25.2M → Finish8193-185#4002#4187
TOTALS2292635-2406
📊

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