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BOSTON MARATHON 2023

Hector Guzman

Bib: 6371•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M50-54)
#0 / 2052
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5601
Start → 5K
6:54/mi
21:27 split
10K· 6.21 mi
42:41
Rank: #5585 (+16)
5K → 10K
6:50/mi
21:14 split
15K· 9.32 mi
1:03:55
Rank: #5538 (+47)
10K → 15K
6:50/mi
21:14 split
20K· 12.43 mi
1:25:36
Rank: #5620 (-82)
15K → 20K
6:59/mi
21:41 split
Half· 13.11 mi
1:30:17
Rank: #5629 (-9)
20K → Half
6:52/mi
4:41 split
25K· 15.53 mi
1:47:14
Rank: #5605 (+24)
Half → 25K
6:59/mi
16:57 split
30K· 18.64 mi
2:10:09
Rank: #5701 (-96)
25K → 30K
7:23/mi
22:55 split
20M
2:20:50
Rank: #5908 (-207)
30K → 20M
7:52/mi
10:41 split
21M
2:29:05
Rank: #5990 (-82)
20M → 21M
8:15/mi
8:15 split
35K· 21.75 mi
2:34:43
Rank: #6044 (-54)
21M → 35K
7:32/mi
5:38 split
23M
2:44:58
Rank: #6225 (-181)
35K → 23M
8:11/mi
10:15 split
24M
2:52:58
Rank: #6367 (-142)
23M → 24M
8:00/mi
8:00 split
40K· 24.85 mi
2:59:49
Rank: #6442 (-75)
24M → 40K
8:01/mi
6:51 split
25.2M
3:02:44
Rank: #6449 (-7)
40K → 25.2M
8:27/mi
2:55 split
Finish· 26.22 mi
3:10:04
Rank: #6437 (+12)
25.2M → Finish
7:12/mi
7:20 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:39:47
Pace7:37 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3521:276:5421:27
6:54
-
10K
6.21 mi10:45:4942:416:5221:14
6:50
-0:04
15K
9.32 mi11:07:031:03:556:5121:14
6:50
0:00
20K
12.43 mi11:28:441:25:366:5321:41
6:59
+0:09
Half
13.11 mi11:33:251:30:176:534:41
6:52
-0:07
25K
15.53 mi11:50:221:47:146:5416:57
6:59
+0:07
30K
18.64 mi12:13:172:10:096:5922:55
7:23
+0:24
20M
20.00 mi12:23:582:20:507:0210:41
7:52
+0:29
21M
21.00 mi12:32:132:29:057:068:15
8:15
+0:23
35K
21.75 mi12:37:512:34:437:075:38
7:32
-0:43
23M
23.00 mi12:48:062:44:587:1010:15
8:11
+0:39
24M
24.00 mi12:56:062:52:587:128:00
8:00
-0:11
40K
24.85 mi13:02:572:59:497:146:51
8:01
+0:01
25.2M
25.20 mi13:05:523:02:447:152:55
8:27
+0:26
Finish
26.22 mi13:13:123:10:047:157:20
7:12
-1:15

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

6:50 /mi

Average Pace

7:15 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:14

56% of race

Time at Steady Pace

35:53

19% of race

Time at Slower Pace

46:57

25% of race

Average Pace: 7:15 /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 mi10:24:3521:276:5421:27
6:54
#5601
10K
6.21 mi10:45:4942:416:5221:14
6:50
#5585
15K
9.32 mi11:07:031:03:556:5121:14
6:50
#5538
20K
12.43 mi11:28:441:25:366:5321:41
6:59
#5620
Half
13.11 mi11:33:251:30:176:534:41
6:52
#5629
25K
15.53 mi11:50:221:47:146:5416:57
6:59
#5605
30K
18.64 mi12:13:172:10:096:5922:55
7:23
#5701
20M
20.00 mi12:23:582:20:507:0210:41
7:52
#5908
21M
21.00 mi12:32:132:29:057:068:15
8:15
#5990
35K
21.75 mi12:37:512:34:437:075:38
7:32
#6044
23M
23.00 mi12:48:062:44:587:1010:15
8:11
#6225
24M
24.00 mi12:56:062:52:587:128:00
8:00
#6367
40K
24.85 mi13:02:572:59:497:146:51
8:01
#6442
25.2M
25.20 mi13:05:523:02:447:152:55
8:27
#6449
Finish
26.22 mi13:13:123:10:047:157:20
7:12
#6437
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5601516051605437(Top 20%)5014(Top 33%)5014(Top 244%)
10K6.21 mi3.10 mi5585+165146+145146+145616(Top 21%)5158(Top 34%)5158(Top 251%)
15K9.32 mi3.11 mi5538+475103+435103+435437(Top 20%)5014(Top 33%)5014(Top 244%)
20K12.43 mi3.11 mi5620-825178-755178-755867(Top 22%)5365(Top 35%)5365(Top 261%)
Half13.11 mi0.68 mi5629-95189-115189-115792(Top 22%)5324(Top 35%)5324(Top 259%)
25K15.53 mi2.42 mi5605+245160+295160+295536(Top 21%)5094(Top 34%)5094(Top 248%)
30K18.64 mi3.11 mi5701-965230-705230-706455(Top 24%)5699(Top 38%)5699(Top 278%)
20M20.00 mi1.36 mi5908-2075387-1575387-1579274(Top 35%)7334(Top 48%)7334(Top 357%)
21M21.00 mi1.00 mi5990-825431-445431-448859(Top 33%)6973(Top 46%)6973(Top 340%)
35K21.75 mi0.75 mi6044-545465-345465-348676(Top 33%)6893(Top 45%)6893(Top 336%)
23M23.00 mi1.25 mi6225-1815596-1315596-13111055(Top 42%)7986(Top 53%)7986(Top 389%)
24M24.00 mi1.00 mi6367-1425687-915687-9111187(Top 42%)7971(Top 53%)7971(Top 388%)
40K24.85 mi0.85 mi6442-755727-405727-4010083(Top 38%)7364(Top 49%)7364(Top 359%)
25.2M25.20 mi0.35 mi6449-75730-35730-39138(Top 34%)6798(Top 45%)6798(Top 331%)
Finish26.22 mi1.02 mi6437+125705+255705+256375(Top 24%)5183(Top 34%)5183(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5437

Males

5014

M50-54

5014

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5616

Males

5158

M50-54

5158

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5437

Males

5014

M50-54

5014

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5867

Males

5365

M50-54

5365

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5792

Males

5324

M50-54

5324

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5536

Males

5094

M50-54

5094

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6455

Males

5699

M50-54

5699

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9274

Males

7334

M50-54

7334

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8859

Males

6973

M50-54

6973

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8676

Males

6893

M50-54

6893

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11055

Males

7986

M50-54

7986

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11187

Males

7971

M50-54

7971

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10083

Males

7364

M50-54

7364

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9138

Males

6798

M50-54

6798

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6375

Males

5183

M50-54

5183

Passing Analysis

Category:
Athletes Passed
871
Passed By
1707
Net Change
-836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5601
5K → 10K210194+16#5601#5585
10K → 15K14396+47#5585#5538
15K → 20K79161-82#5538#5620
20K → Half2029-9#5620#5629
Half → 25K8864+24#5629#5605
25K → 30K93189-96#5605#5701
30K → 20M23230-207#5701#5908
20M → 21M33115-82#5908#5990
21M → 35K2276-54#5990#6044
35K → 23M24205-181#6044#6225
23M → 24M28170-142#6225#6367
24M → 40K33108-75#6367#6442
40K → 25.2M2330-7#6442#6449
25.2M → Finish5240+12#6449#6437
TOTALS8711707-836
📊

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