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BOSTON MARATHON 2023

Matt Delmont

Bib: 13105•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:40/mi
23:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:10:04
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:33:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:38:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:56:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:20:39
↑ 181↓ 1480.2%
20M
8:16/mi
2:31:53
↑ 64↓ 500.2%
21M
9:45/mi
2:41:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:47:41
↑ 17↓ 861.7%
23M
9:21/mi
2:59:24
↑ 23↓ 630.6%
24M
10:19/mi
3:09:43
↓ 821.3%
40K· 24.85 mi
10:49/mi
3:18:58
↓ 200.3%
25.2M
9:28/mi
3:22:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:41/mi
3:32:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:09
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1823:487:4023:48
7:40
-
10K
6.21 mi11:15:2846:587:3423:10
7:27
-0:13
15K
9.32 mi11:38:341:10:047:3123:06
7:26
-0:01
20K
12.43 mi12:01:411:33:117:3023:07
7:26
0:00
Half
13.11 mi12:06:391:38:097:294:58
7:17
-0:09
25K
15.53 mi12:24:461:56:167:2918:07
7:28
+0:11
30K
18.64 mi12:49:092:20:397:3324:23
7:51
+0:23
20M
20.00 mi13:00:232:31:537:3611:14
8:16
+0:25
21M
21.00 mi13:10:082:41:387:429:45
9:45
+1:29
35K
21.75 mi13:16:112:47:417:436:03
8:05
-1:40
23M
23.00 mi13:27:542:59:247:4811:43
9:21
+1:16
24M
24.00 mi13:38:133:09:437:5410:19
10:19
+0:58
40K
24.85 mi13:47:283:18:588:009:15
10:49
+0:30
25.2M
25.20 mi13:50:443:22:148:023:16
9:28
-1:21
Finish
26.22 mi14:00:363:32:068:069:52
9:41
+0:13

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

7:17 /mi

Average Pace

8:06 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:28

44% of race

Time at Steady Pace

1:05:28

31% of race

Time at Slower Pace

54:10

26% of race

Average Pace: 8:05 /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 mi10:52:1823:487:4023:48
7:40
#11105
10K
6.21 mi11:15:2846:587:3423:10
7:27
#10546
15K
9.32 mi11:38:341:10:047:3123:06
7:26
#10217
20K
12.43 mi12:01:411:33:117:3023:07
7:26
#9818
Half
13.11 mi12:06:391:38:097:294:58
7:17
#9727
25K
15.53 mi12:24:461:56:167:2918:07
7:28
#9512
30K
18.64 mi12:49:092:20:397:3324:23
7:51
#9543
20M
20.00 mi13:00:232:31:537:3611:14
8:16
#9694
21M
21.00 mi13:10:082:41:387:429:45
9:45
#10191
35K
21.75 mi13:16:112:47:417:436:03
8:05
#10279
23M
23.00 mi13:27:542:59:247:4811:43
9:21
#10802
24M
24.00 mi13:38:133:09:437:5410:19
10:19
#11622
40K
24.85 mi13:47:283:18:588:009:15
10:49
#12319
25.2M
25.20 mi13:50:443:22:148:023:16
9:28
#12379
Finish
26.22 mi14:00:363:32:068:069:52
9:41
#12820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11105870987099646(Top 36%)7950(Top 52%)7950(Top 353%)
10K6.21 mi3.10 mi10546+5598440+2698440+26910120(Top 38%)8236(Top 54%)8236(Top 366%)
15K9.32 mi3.11 mi10217+3298286+1548286+1549646(Top 36%)7950(Top 52%)7950(Top 353%)
20K12.43 mi3.11 mi9818+3998044+2428044+2428837(Top 33%)7408(Top 49%)7408(Top 329%)
Half13.11 mi0.68 mi9727+917995+497995+498467(Top 32%)7206(Top 47%)7206(Top 320%)
25K15.53 mi2.42 mi9512+2157849+1467849+1468581(Top 32%)7198(Top 47%)7198(Top 320%)
30K18.64 mi3.11 mi9543-317832+177832+179728(Top 37%)7689(Top 51%)7689(Top 341%)
20M20.00 mi1.36 mi9694-1517891-597891-5912130(Top 46%)8767(Top 58%)8767(Top 389%)
21M21.00 mi1.00 mi10191-4978141-2508141-25017026(Top 64%)10793(Top 71%)10793(Top 479%)
35K21.75 mi0.75 mi10279-888165-248165-2412693(Top 48%)8857(Top 58%)8857(Top 393%)
23M23.00 mi1.25 mi10802-5238380-2158380-21517736(Top 67%)11000(Top 72%)11000(Top 488%)
24M24.00 mi1.00 mi11622-8208750-3708750-37021583(Top 81%)12669(Top 83%)12669(Top 563%)
40K24.85 mi0.85 mi12319-6979035-2859035-28521956(Top 82%)12803(Top 84%)12803(Top 569%)
25.2M25.20 mi0.35 mi12379-609051-169051-1614987(Top 56%)9663(Top 64%)9663(Top 429%)
Finish26.22 mi1.02 mi12820-4419210-1599210-15920715(Top 78%)12273(Top 81%)12273(Top 545%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9646

Males

7950

M45-49

7950

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10120

Males

8236

M45-49

8236

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9646

Males

7950

M45-49

7950

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8837

Males

7408

M45-49

7408

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8467

Males

7206

M45-49

7206

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8581

Males

7198

M45-49

7198

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9728

Males

7689

M45-49

7689

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12130

Males

8767

M45-49

8767

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17026

Males

10793

M45-49

10793

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12693

Males

8857

M45-49

8857

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17736

Males

11000

M45-49

11000

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21583

Males

12669

M45-49

12669

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21956

Males

12803

M45-49

12803

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14987

Males

9663

M45-49

9663

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20715

Males

12273

M45-49

12273

Passing Analysis

Category:
Athletes Passed
2104*
Passed By
3817
Net Change
-1715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11105
5K → 10K646*87+559#11105#10546
10K → 15K39667+329#10546#10217
15K → 20K423*24+399#10217#9818
20K → Half976+91#9818#9727
Half → 25K23722+215#9727#9512
25K → 30K174*205-31#9512#9543
30K → 20M45196-151#9543#9694
20M → 21M13508-497#9694#10191
21M → 35K27115-88#10191#10279
35K → 23M12535-523#10279#10802
23M → 24M5825-820#10802#11622
24M → 40K7704-697#11622#12319
40K → 25.2M1575-60#12319#12379
25.2M → Finish7448-441#12379#12820
TOTALS2104*3817-1715

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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