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BOSTON MARATHON 2023

Claudio Macias

Bib: 12108•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M45-49)
#0 / 2252
Top 17%
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
7:05/mi
22:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
43:24
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:55
↑ 67↓ 78
20K· 12.43 mi
7:00/mi
1:26:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:31:18
↑ 19↓ 370.5%
25K· 15.53 mi
6:55/mi
1:48:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:09:56
↑ 181↓ 1480.2%
20M
6:58/mi
2:19:24
↑ 64↓ 500.2%
21M
7:16/mi
2:26:40
↑ 106↓ 241.6%
35K· 21.75 mi
6:40/mi
2:31:39
↑ 17↓ 861.7%
23M
6:59/mi
2:40:23
↑ 23↓ 630.6%
24M
6:40/mi
2:47:03
↓ 821.3%
40K· 24.85 mi
6:48/mi
2:52:52
↓ 200.3%
25.2M
6:55/mi
2:55:15
↑ 13↓ 160.2%
Finish· 26.22 mi
6:23/mi
3:01:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:18
Pace6:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:27
Pace6:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3022:017:0522:01
7:05
-
10K
6.21 mi11:10:5343:246:5921:23
6:53
-0:12
15K
9.32 mi11:32:241:04:556:5821:31
6:56
+0:03
20K
12.43 mi11:54:081:26:396:5821:44
7:00
+0:04
Half
13.11 mi11:58:471:31:186:584:39
6:49
-0:11
25K
15.53 mi12:15:331:48:046:5716:46
6:55
+0:06
30K
18.64 mi12:37:252:09:566:5821:52
7:02
+0:07
20M
20.00 mi12:46:532:19:246:589:28
6:58
-0:04
21M
21.00 mi12:54:092:26:406:597:16
7:16
+0:18
35K
21.75 mi12:59:082:31:396:584:59
6:40
-0:36
23M
23.00 mi13:07:522:40:236:588:44
6:59
+0:19
24M
24.00 mi13:14:322:47:036:586:40
6:40
-0:19
40K
24.85 mi13:20:212:52:526:575:49
6:48
+0:08
25.2M
25.20 mi13:22:442:55:156:572:23
6:55
+0:07
Finish
26.22 mi13:29:143:01:456:566:30
6:23
-0:32

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

6:56 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:36

72% of race

Time at Steady Pace

51:09

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:49:3022:017:0522:01
7:05
#6781
10K
6.21 mi11:10:5343:246:5921:23
6:53
#6412
15K
9.32 mi11:32:241:04:556:5821:31
6:56
#6280
20K
12.43 mi11:54:081:26:396:5821:44
7:00
#6170
Half
13.11 mi11:58:471:31:186:584:39
6:49
#6136
25K
15.53 mi12:15:331:48:046:5716:46
6:55
#5948
30K
18.64 mi12:37:252:09:566:5821:52
7:02
#5639
20M
20.00 mi12:46:532:19:246:589:28
6:58
#5476
21M
21.00 mi12:54:092:26:406:597:16
7:16
#5310
35K
21.75 mi12:59:082:31:396:584:59
6:40
#5208
23M
23.00 mi13:07:522:40:236:588:44
6:59
#5071
24M
24.00 mi13:14:322:47:036:586:40
6:40
#4923
40K
24.85 mi13:20:212:52:526:575:49
6:48
#4804
25.2M
25.20 mi13:22:442:55:156:572:23
6:55
#4720
Finish
26.22 mi13:29:143:01:456:566:30
6:23
#4564
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6781610561056097(Top 23%)5532(Top 36%)5532(Top 246%)
10K6.21 mi3.10 mi6412+3695798+3075798+3075989(Top 22%)5452(Top 36%)5452(Top 242%)
15K9.32 mi3.11 mi6280+1325694+1045694+1046097(Top 23%)5532(Top 36%)5532(Top 246%)
20K12.43 mi3.11 mi6170+1105606+885606+885940(Top 22%)5426(Top 36%)5426(Top 241%)
Half13.11 mi0.68 mi6136+345582+245582+245336(Top 20%)4919(Top 32%)4919(Top 218%)
25K15.53 mi2.42 mi5948+1885439+1435439+1435044(Top 19%)4661(Top 31%)4661(Top 207%)
30K18.64 mi3.11 mi5639+3095177+2625177+2624588(Top 17%)4247(Top 28%)4247(Top 189%)
20M20.00 mi1.36 mi5476+1635037+1405037+1403830(Top 14%)3566(Top 23%)3566(Top 158%)
21M21.00 mi1.00 mi5310+1664889+1484889+1483465(Top 13%)3223(Top 21%)3223(Top 143%)
35K21.75 mi0.75 mi5208+1024796+934796+933375(Top 13%)3145(Top 21%)3145(Top 140%)
23M23.00 mi1.25 mi5071+1374668+1284668+1283671(Top 14%)3395(Top 22%)3395(Top 151%)
24M24.00 mi1.00 mi4923+1484544+1244544+1242953(Top 11%)2745(Top 18%)2745(Top 122%)
40K24.85 mi0.85 mi4804+1194444+1004444+1002877(Top 11%)2651(Top 17%)2651(Top 118%)
25.2M25.20 mi0.35 mi4720+844373+714373+711530(Top 6%)1447(Top 10%)1447(Top 64%)
Finish26.22 mi1.02 mi4564+1564238+1354238+1351951(Top 7%)1822(Top 12%)1822(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6097

Males

5532

M45-49

5532

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5989

Males

5452

M45-49

5452

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6097

Males

5532

M45-49

5532

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5940

Males

5426

M45-49

5426

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5336

Males

4919

M45-49

4919

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5044

Males

4661

M45-49

4661

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4588

Males

4247

M45-49

4247

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3830

Males

3566

M45-49

3566

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3465

Males

3223

M45-49

3223

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3375

Males

3145

M45-49

3145

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3671

Males

3395

M45-49

3395

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2953

Males

2745

M45-49

2745

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2877

Males

2651

M45-49

2651

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1530

Males

1447

M45-49

1447

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1951

Males

1822

M45-49

1822

Passing Analysis

Category:
Athletes Passed
2427
Passed By
210
Net Change
+2217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6781
5K → 10K43263+369#6781#6412
10K → 15K18351+132#6412#6280
15K → 20K15242+110#6280#6170
20K → Half406+34#6170#6136
Half → 25K1979+188#6136#5948
25K → 30K32617+309#5948#5639
30K → 20M1630+163#5639#5476
20M → 21M1704+166#5476#5310
21M → 35K1042+102#5310#5208
35K → 23M14710+137#5208#5071
23M → 24M1491+148#5071#4923
24M → 40K1234+119#4923#4804
40K → 25.2M840+84#4804#4720
25.2M → Finish1571+156#4720#4564
TOTALS2427210+2217
📊

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